The temperature of water at the bottom of the deep ocean near the equator is likely to be closest to

12 Celsius

19 Celsius

50 Celsius

2 Celsius

Answers

Answer 1

Answer:

Four folk love legends: "Cowhand and Weaver Girl", "Meng Jiangnu crying at the Great Wall" (cry Wan Xiliang), "Liang Shanbo and Zhu Yingtai", "The Legend of the White Snake", the author does not know

The development history of the Four ancient Chinese folk legends: China is a country with a vast territory and abundant resources and a long history, which contains extremely rich national cultural heritage. Among them, the four most Chinese ones are the famous "Cowhand and Weaver Girl", "Meng Jiangnu", "Liang Shanbo and Zhu Yingtai" and "The Legend of the White Snake". The most widespread, the most influential.

Brief introduction: the gigolo knit legend began in the book of songs, cable ":" Qi he vega ", "Huan he cow". "Nineteen Ancient Poems · Long Distance Star" has called the cowherd and weaver girl husband and wife. Ying Shao "custom" Yi wen: "Zhinv Tanabata when crossing the river, make magpie bridge, legend has it that the magpie head without reason all Kun, because beam (note: bridge) to cross Zhinv also. The story has been preliminarily formed and combined with the Qixi Festival custom.

The legend of Meng Jiangnu originated from the record of Qi Liang's wife refusing to hang herself in the area of the Marquis of Qi and adhering to the rules of etiquette in the Zhuan. Later, it was added in the Dangong that "Duke Zhuang of Qi attacked Ju and took away (tunnel) and Qi Liang died. The weeping wife who greeted his coffin on the road is the archetype of the story. Han Liu Xiang's Biography of Liannu (IV) : "Qi Liangzhu died in battle, his wife cried in the city, ten days the city collapsed." And Tang (anonymous) "carved jade collection" record "Qin when Yan Qi Liang, married Meng Chao female Zhongzi wife, because good was built the Great Wall officials killed, Zhongzi cry under the Great Wall, the city collapsed. It is known that this legend was popular in the Tang Dynasty, but Meng Zhongzi and Qiliang were renamed Meng Jiangnv and Fan Xiliang in the legend. The story of Butterfly lovers first appeared in Tang's "Ten Taoist and Four Tibetan Records", which recorded the story of Liang and Zhu "having a taste of schoolmates" and "sharing the tomb". There are more detailed records in Xuanbaozhi of late Tang Zhang Reading. To the Ming Dynasty Feng Menglong's "Ancient and modern novels", and added to the British Taiwan confused belt, Liang Shanbo doubts and butterflies.

The story of White Snake came into being the latest. The origin of the story is as follows. It originates from the Three Towers of West Lake. To the Ming Dynasty Feng Menglong's "Lady White Forever Town Leifeng Pagoda" (" Warning Word "), the story has been preliminarily finalized.


Related Questions

What is the purpose of using acetone in this experiment? How would you correctly use actone to achieve the desired goal? Essay answers are limited to about 500 words (3800 characters maximum, including spaces)

Answers

Acetone is an organic solvent that is widely used in a variety of laboratory and industrial processes. In this experiment, its purpose is to extract a desired product from a sample.

What is the organic ?

Organic refers to anything made or grown without the use of synthetic chemicals, pesticides, or genetic engineering. It is a term used to describe a holistic approach to farming and production practices that emphasize the use of natural ingredients and processes. Organic foods, for example, are grown without the use of chemical fertilizers, herbicides, or pesticides, while organic textiles are made with natural fibers, such as cotton and wool, that have been grown without the use of synthetic fertilizers or pesticides.

The process begins by heating the sample in a round bottom flask. As the sample is heated, the desired product boils off and can be collected in a condenser. In order to enhance the separation process and ensure that the product does not become contaminated, acetone is added to the flask.

In order to use acetone correctly, the sample must be heated to the appropriate temperature. A thermometer should be used to ensure that the sample has reached the desired temperature. The acetone should then be added to the flask in small increments.

Once the acetone has been added, the sample should be stirred gently. This helps to ensure that the acetone is evenly distributed throughout the sample and that it has had the chance to dissolve any of the desired product.

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how offten does a lunar eclipse occur

Answers

Answer: there could be two lunar eclipses per year

what energy can be used for a decomposition reaction to take place

Answers

The energy required to initiate the reaction is called the activation energy.

A decomposition reaction can be initiated by the application of various forms of energy such as heat, light, electricity, and sometimes catalysts.

In the case of thermal decomposition, heat is the source of energy that breaks the bonds between the atoms or molecules in the reactant and leads to the formation of new compounds.

For example, the thermal decomposition of calcium carbonate (CaCO3) to form calcium oxide (CaO) and carbon dioxide (CO2) is a classic example of a thermal decomposition reaction.

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What mass of NaCl is present in a 1.05 m NaCl solution that has 250. g solvent? a) 24.5 g b) 4.49 g c) 6.54 g d) I DON'T KNOW YET

Answers

The mass of NaCl present in the solution is 15.32 g. Answer (d) was not given as a choice, but it is the correct answer based on the calculation.To calculate the mass of NaCl in the solution, we need to first calculate the amount of NaCl present in the solution, which can be found using the formula:

amount of solute (in moles) = concentration x volume (in liters)

We know that the concentration of the solution is 1.05 m, and the volume of the solvent is 250 g, which is equal to 0.25 L (assuming the density of the solvent is 1 g/mL). Therefore, the amount of NaCl in the solution is:

amount of NaCl = 1.05 m x 0.25 L = 0.2625 moles

Next, we need to calculate the mass of NaCl using its molar mass, which is 58.44 g/mol. Therefore, the mass of NaCl in the solution is:

mass of NaCl = 0.2625 moles x 58.44 g/mol = 15.32 g

Therefore, the mass of NaCl present in the solution is 15.32 g. Answer (d) was not given as a choice, but it is the correct answer based on the calculation.

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What is the proper Lewis structure for HCOOH?

Answers

The proper Lewis structure of HCOOH consists of four atoms and has an oxygen atom in the center with two single bonds to the hydrogen atoms and two double bonds to the carbon atom.

The oxygen atom forms a double bond with the carbon atom by sharing two electron pairs with it and two lone pairs with itself. A single bond is formed between the oxygen atom and two hydrogen atoms, each of which possesses one electron pair.

Four electron pairs are present on the carbon atom: two from the oxygen atom and two lone pairs. One bond is created when the oxygen atom donates one electron pair to each of the two hydrogen atoms.

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how many moles of NaCl can be produced from 2.5 moles of BaCl2?

Pls do step-by-step

Answers

Answer:

The balanced chemical equation for the reaction between BaCl2 and Na2SO4 is:

BaCl2 + Na2SO4 → 2 NaCl + BaSO4

This equation shows that one mole of BaCl2 reacts with one mole of Na2SO4 to produce two moles of NaCl and one mole of BaSO4. Therefore, to determine how many moles of NaCl can be produced from 2.5 moles of BaCl2, we need to use the stoichiometry of the reaction.

Steps:

Step 1: Write down the balanced chemical equation for the reaction between BaCl2 and Na2SO4.

BaCl2 + Na2SO4 → 2 NaCl + BaSO4

Step 2: Identify the stoichiometric ratio of BaCl2 to NaCl from the balanced chemical equation.

From the balanced chemical equation, we see that 1 mole of BaCl2 produces 2 moles of NaCl.

Step 3: Calculate the number of moles of NaCl produced from 2.5 moles of BaCl2.

Using the stoichiometric ratio, we can calculate the number of moles of NaCl produced from 2.5 moles of BaCl2 as follows:

2.5 moles BaCl2 x (2 moles NaCl / 1 mole BaCl2) = 5 moles NaCl

Therefore, 2.5 moles of BaCl2 can produce 5 moles of NaCl.

What happens when an electron moves from a higher energy level to a lower energy level in an atom?

Answers

When an electron moves from a higher energy level to a lower energy level in an atom, it releases energy in the form of a photon of electromagnetic radiation. This process is known as emission.

What is Atomic Level?

The atomic level refers to the scale at which individual atoms and their properties are studied. At this level, matter is composed of discrete particles, known as atoms, which are the fundamental building blocks of all chemical elements.

As the energy levels in an atom are quantized, only certain energy transitions are allowed, which correspond to the emission of specific wavelengths of light.

The energy released by the emission can be in the form of visible light, ultraviolet light, or other forms of electromagnetic radiation, depending on the energy levels involved. For example, if an electron moves from the second energy level to the first energy level in a hydrogen atom, it will emit a photon of ultraviolet light.

Emission is one of the ways in which atoms can lose energy and return to a lower energy state. The opposite process, absorption, occurs when an electron is excited from a lower energy level to a higher energy level by absorbing a photon of electromagnetic radiation with an energy equal to the difference between the energy levels.

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Why are there significantly more thunderstorms in Florida than in California?a. The state of Florida is smaller than the state of California.b. The air in Florida is more stable than the air in California.c. The air above Florida holds less moisture than the air above California.d. The ocean currents near Florida are warmer than the ocean currents near California.

Answers

There are significantly more thunderstorms in Florida than in California D: "The ocean currents near Florida are warmer than the ocean currents near California".

The primary reason why there are significantly more thunderstorms in Florida than in California is because of the difference in ocean currents. The ocean currents near Florida, specifically the Gulf Stream, are much warmer than the currents near California. This leads to a more unstable atmosphere, which creates the ideal conditions for thunderstorm formation. In addition, the warm and moist air that moves inland from the Atlantic and the Gulf of Mexico also contributes to the formation of thunderstorms in Florida.

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What are the difference of CMP and CBC?

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Red, white, and platelet counts and types, as well as their distribution throughout the blood, are all revealed by CBC. The results of CMP-14 testing reveal the level of blood proteins and sugar.

Why would someone utilize a CMP blood test?

A blood test called the complete metabolic panel (CMP) provides medical professionals with knowledge about the body's electrolyte levels, including sodium and potassium, as well as the kidney and liver's function.

What conditions can a CMP identify?

A CMP can help your doctor identify specific problems including diabetes, renal disease, and hypertension when combined with other tests and data from a clinical evaluation.

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T or F: The greater the orbital overlap in a bond, the weaker the bond

Answers

The greater the orbital overlap in a bond, the weaker the bond is a false statement.

In fact, the opposite is true: the greater the orbital overlap in a bond, the stronger the bond. Orbital overlap refers to the degree to which the orbitals of two atoms participating in a covalent bond interact with each other, with a greater degree of overlap leading to a stronger bond.

This is because the shared electrons spend more time between the nuclei of the bonded atoms, and the resulting electrostatic attraction between the positive nuclei and negative electrons is stronger. The strength of a covalent bond is also influenced by other factors, such as the electronegativity of the atoms involved and the bond length.

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What is the noble gas core in the electron configuration for Ru? A. Ne
B. Ar C. Kr D. Xe E Rn

Answers

Answer: C. Kr

Explanation:

Ru is the symbol for rubidium.

Rubidium is a transitional metal. To use the noble gas core, look at the noble gas one row above where rubidium is. Rubidium is in row 5 on the periodic table, so we move up to row 4. Krypton is the noble gas core in the electron configuration for Ru.

what is the formular of ammonia​

Answers

NH3

Why are you using brainly for this simple question? Search history being checked?

Answer:

[tex]NH_{3}[/tex]

Explanation:

Structure and Formula of Ammonia

Its chemical formula is NH3 and the molar mass is 17.03 g/mol. It is a compound of hydrogen and nitrogen.

how many molecules of water are needed to completely hydrolyze a polymer that is ten monomers long?

Answers

The number of the molecules of water are needed to completely hydrolyze the polymer that is ten monomers long is the 9 molecules of water.

A polymer can be defined as the macromolecule which is essentially is the combination of the many subunits. The Polymers will be break down into the monomers is called as the hydrolysis of the polymer, which is the reaction in which the water molecule will be  utilize during the breakdown.

One water molecule is use to break the each bond present between the two adjacent monomers in the  polymer during the hydrolysis. The ten-monomer of the long polymer that comprises the nine bonds because the two adjacent monomers are joined through the bond. Therefore, the nine water molecules are required to hydrolyze the ten monomers long polymer.

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Which statement is true of the role of water in the coffee cup calorimeter you used in the laboratory?
O The water transmits the heat to the thermometer.
O The water is not insulated.
O The water provides an isolated environment.
O The water cools the thermometer.

Answers

The water transmits the heat to the temperature

Help please will give brainliest ! How do intracellular communication and intercellular communication differ?

A. Intracellular communication involves passing molecules through gap junctions
B. Intercellular communication involves moving a molecule within a cell
C. Intercellular communication occurs between two different cells
D. Intracellular communication occurs between two different cells

Answers

Answer:

its c.

Explanation:

''intercellular communication occurs between two different cells''

What is the molecular geometry and molecular polarity for OF2?

Answers

The molecular geometry of Oxygen Difluoride molecule, OF₂ is bent shape and the in case of molecular polarity, it is a polar molecule.

We have a Oxygen Difluoride molecule with molecular formula,OF₂. It consists two fluorine atoms and one oxygen atom.

molecular geometry of OF₂

The Lewis structure of the OF₂ molecule contains 16 non-bonding electrons, i.e. 8 lone pairs. Out of the 8 lone pairs, 3 lone pairs are present on the fluorine atom and 2 lone pairs are present on the central oxygen atom. The presence of lone pairs on the oxygen atom causes the electrons of the bonded pairs to repel each other. Due to the repulsive forces, the fluorine which is present as outer atoms pushes down to minimize the repulsion according to the VSEPR theory. So, the shape of this molecule is bent.

Molecular polarity

In the OF₂ molecule, the oxygen atom is the least electronegative, i.e., 3.44 and fluorine is highly electronegative, i.e., 3.98. The difference between the electronegativities of both these atoms is greater than 0.5, making the O-F bonds polar. So both single bonds formed between oxygen and fluorine atoms are polar.

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What is the definition of reaction time?

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Reaction time is the amount of time it takes for a person or a system to respond to a stimulus or a change in the environment. In other words, it is the time interval between the onset of a stimulus and the initiation of a response.

Reaction time can be measured in different contexts, such as in human performance, neuroscience, sports, and engineering. For example, in human performance, reaction time is often used to assess cognitive and motor skills, such as reaction time in driving, reaction time in decision-making, or reaction time in sports.

In neuroscience, reaction time is used to study neural processing and the speed of information processing in the brain. Reaction time can be influenced by various factors, such as age, gender, attention, arousal, motivation, and the complexity of the task.

Reaction time can be improved with practice and training, and it can also be affected by various diseases and disorders, such as Parkinson's disease, multiple sclerosis, or attention deficit hyperactivity disorder (ADHD).

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An NaCl solution is prepared by dissolving 50.0 g NaCl in 200.0 g ofwater at 25"C What is the vapor pressure of the solution if the vapor pressure of water at 25*C is 23.56 torr? 1.574 tonr 1.686 tOrr 20.41 torr 0.8744 torr 21.87 torr

Answers

The vapor pressure of the NaCl solution is approximately 21.87 torr.

To calculate the vapor pressure of the NaCl solution, we can use Raoult's law which states that the vapor pressure of the solvent above the solution is proportional to the mole fraction of the solvent in the solution.

The mole fraction of water in the solution can be calculated as:

X_water = moles of water / total moles

The moles of water can be calculated from the mass of water and its molar mass, and the moles of NaCl can be calculated from its mass and molar mass:

moles of water = mass of water / molar mass of water = 200.0 g / 18.015 g/mol = 11.098 mol

moles of NaCl = mass of NaCl / molar mass of NaCl = 50.0 g / 58.44 g/mol = 0.855 mol

The total moles of solute and solvent in the solution is the sum of the moles of NaCl and water:

total moles = moles of NaCl + moles of water = 0.855 mol + 11.098 mol = 11.953 mol

The mole fraction of water is then:

X_water = moles of water / total moles = 11.098 mol / 11.953 mol = 0.9292

The vapor pressure of the solution can be calculated using Raoult's law:

P_solution = X_water * P_water

where P_water is the vapor pressure of pure water at the given temperature. Substituting the given values, we get:

P_solution = 0.9292 * 23.56 torr = 21.87 torr

Therefore, the vapor pressure of the NaCl solution is approximately 21.87 torr.

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What is molar mass of benzoic acid?

Answers

Molar mass of the benzoic acid is approximately 122.12 g/mol.

The chemical formula of benzoic acid is C₇H₆O₂. To calculate its molar mass, we need to find the atomic masses of each element in the compound and then add them up based on the molecular formula.

The atomic masses of carbon (C), hydrogen (H), and oxygen (O) are 12.01 g/mol, 1.01 g/mol, and 16.00 g/mol, respectively.

The molar mass of benzoic acid can be calculated as follows:

Molar mass of benzoic acid = (7 x atomic mass of C) + (6 x atomic mass of H) + (2 x atomic mass of O)

Molar mass of benzoic acid = (7 x 12.01 g/mol) + (6 x 1.01 g/mol) + (2 x 16.00 g/mol)

Molar mass of benzoic acid = 122.12 g/mol

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who was a synthetic organic chemist that successfully synthesized physostigmine ?

Answers

The synthetic organic chemist who successfully synthesized physostigmine was Robert Burns Woodward.

He was an American organic chemist who is considered by many to be the preeminent organic chemist of the twentieth century. Woodward's synthesis of physostigmine, an alkaloid found in the Calabar bean, was an important milestone in modern organic chemistry. Physostigmine works by obstructing acetylcholine metabolism. The enzyme that breaks down acetylcholine in the synaptic cleft of the neuromuscular junction, acetylcholinesterase, is inhibited in a reversible manner by this substance.Woodward's method of synthesizing physostigmine was the first successful total synthesis of a complex natural product, and it established the precedent for modern organic synthesis.

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the colligative molality of seawater is approximately 1.10 m. calculate the vapor pressure of sea water at 20 °c. the vapor pressure of pure water at 20 °c is 17.54 torr.

Answers

the colligative molality of seawater is approximately 1.10 m, the vapor pressure of sea water at 20 °c is 16.412 torr, the vapor pressure of pure water at 20 °c is 17.54 torr.

What is vapour pressure?

Vapour pressure rises with temperature and is a measurement of a substance's propensity to transform into a gaseous or vapour state. The boiling point of a liquid is the temperature at which the pressure imposed by its surroundings equals the vapour pressure present at the liquid's surface. A liquid's thermodynamic propensity to evaporate is indicated by the equilibrium vapour pressure.

Given that-

Vapor  pressure of pure water (P₀) = 17.54 torr

Molality (m) = 1.10 m

Let, vapour pressure of sea water = P

As we know,

m = [(P₀ - P) / P₀] × (1000 / M(solute))

1.10 = [(17.54 - P) / 17.54] × (1000 / 58.44)

P = 16.412 torr    [considering NaCl in sea water]

Hence, vapour pressure of sea-water is: 16.412 torr

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A sample of octane burns releasing 2290 J of heat to the surroundings, and the gases produced expands against a piston to do 560 joules of work. Calculate the internal energy change for this reaction.1. â2850 J2. â1730 J3. â2290 J4. +1730 J5. +2850 J

Answers

The internal energy change for the reactions would be -2850 J.

What is meant by First law of thermodynamics?

The sign of heat is interpreted as being positive when heat is absorbed and as being negative when heat is expelled.

Work done during the expansion and compression processes is viewed negatively and positively, respectively.

According to the First law of thermodynamics,

Δ U = q + w

where, Δ U be the internal energy

q be the heat absorbed or released = -2290 J

w be the work done = 560 J

simplifying the values in above equation, we get:

Δ U = (-2290) + (-560)

Δ U = -2850 J

Hence, the internal energy change for the reaction would be -2850 J.

Therefore, the correct answer is option 1) –2850 J.

The complete question is:

A sample of octane burns releasing 2290 J of heat to the surroundings, and the gases produced expands against a piston to do 560 joules of work. Calculate the internal energy change for this reaction.

1- –2850 J

2- –1730 J

3- –2290 J

4- +1730 J

5- +2850 J

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Question:
What is the molecular weight of propane (C3H8)?
Molecular Weight:
The molecular weight or molar mass can be calculated based on the chemical formula of the compound which is expressed in terms of grams per mole (grams/mole). For the problem, the given compound is propane and the correct chemical formula was also provided. Aside from the chemical formula, the molar mass of each element involved in the compound must also be provided to determine the molecular weight (or molar mass).

Answers

The molecular weight of a propane molecule, (C₃H₈) is equals to the 44.0 g/mol.

We have a Propane molecule, C₃H₈. The organic molecule C₃H₈ is also known as propane. This gas molecule is used in gas grills and propane heaters and appliances. It consists three atom of carbon, eight atoms of hydrogen. The molar mass is defined as the mass of one mole of substance. It is also called molecular weight of substance which is expressed in terms of g/mol. Molecular weight of a molecule is calculated by the addition of the masses of the individual atoms within the their quantities present in a molecule. So, the molecular mass of C₃H₈, is sum of individual masses of carbon, and hydrogen atoms with number of their atoms. The atomic mass of carbon atom, C =12 g/mol

The atomic mass of hydrogen atom, H =1 g/mol

Now, Molar mass of C₃H₈ = 3 × atomic mass of carbon + 8× atomic mass of hydrogen atom

= 3×C + 8×H

= 3× 12 g/mol + 8×1g/mol

= 36 g/mol + 8 g/mol

= 44 g/mol

Hence, the molecular mass of C₃H₈ is 44.0 g/mol.

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What is an example of an isotonic eccentric contraction?

Answers

An example of an isotonic eccentric contraction is when a person lowers a weight during a bicep curl exercise.

Concentric and eccentric contractions are the two varieties of isotonic contractions. When a muscle shortens during a concentric contraction, its tension increases to meet the resistance and then stays constant. As the resistance rises above the force being generated by the muscle during eccentric contraction, the muscle lengthens.


During the lowering phase of a bicep curl exercise, the bicep muscle is contracting eccentrically as it controls the descent of the weight. The muscle is producing force, but the weight is greater than the force produced, causing the muscle to lengthen. This is an example of an isotonic eccentric contraction.

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Chemistry help needed

Answers

Answer: If I would have to make an educated guess, it would probably be the curve that is mostly flat

Explanation:

NMR signals may consist of a single peak, or they may be __ into several peaks. The number of peaks for a particular signal is called its __.split; multiplicitytype; equivalentHydrogen; Decreasesdeshielded; high

Answers

NMR signals may consist of a single peak, or they may be spilt into several peaks. The number of peaks for a particular signal is called its multiplicity.

Nuclear Magnetic Resonance (NMR) Spectroscopy

Nuclear Magnetic Resonance (NMR) Spectroscopy is defined as the number of NMR signals represents the number of different types of protons in a molecule. Let's consider an example that we have used in the introduction to NMR spectroscopy. Generally, the spectrum has five signals which indicates five types of different protons.

An NMR instrument works by allowing the molecular structure of a material to be analyzed by observing and measuring the interaction of nuclear spins when placed in a powerful magnetic field.

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T/F? At the same temperature and pressure, equal volume of gases contains the same number of molecules.

Answers

At the same temperature and pressure, equal volume of gases contains the same number of molecules is a true statement.

This statement is known as Avogadro's Law, which states that equal volumes of gases, at the same temperature and pressure, contain the same number of molecules (or moles) regardless of their chemical nature or physical properties.

This means that if we compare two different gases occupying the same volume at the same temperature and pressure, they will contain the same number of molecules.

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The amount of energy required to remove an electron from an isolated atom or molecule is the ionisation potential. There is an ionization energy for each successive electron removed. (True/False)

Answers

The assertion is accurate. The ionization potential is the amount of energy needed to expel an electron from an isolated atom or molecule. Each additional electron eliminated causes an increase in ionization energy.

What is meant by electron?The fundamental electric charge of the electron, a subatomic particle, is negative. Due to their lack of known constituents or substructure, electrons—the first generation of the lepton particle family—are frequently regarded as elementary particles.An electron is a negatively charged subatomic particle that can be either attached to or detached from an atom (not bound).Along with protons and neutrons, electrons are one of the three primary types of particles that make up an atom. Protons, neutrons, and electrons make up an atom's nucleus.The electron, which has a negative charge, is the smallest and least substantial part of an atom.

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How do you calculate pH from KOH?

Answers

To calculate the pH from KOH, you need to first determine the concentration of the hydroxide ion (OH-) in the solution.

This can be done by using the equation:

[OH-] = [KOH]

Once you have the concentration of the hydroxide ion, you can use the equation:

pOH = -log[OH-]

to find the pOH of the solution. Finally, you can use the equation:

pH = 14 - pOH

to find the pH of the solution.

Here is a step-by-step explanation:

1. Determine the concentration of the hydroxide ion (OH-) in the solution by using the equation:

[OH-] = [KOH]

2. Use the equation:

pOH = -log[OH-]

to find the pOH of the solution.

3. Use the equation:

pH = 14 - pOH

to find the pH of the solution.

By following these steps, you can calculate the pH from KOH.

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When heating this reaction mixture at reflux, the reaction temperature will be maintained at approximately. A. 25C B. 65C C. 100C D. 125C.

Answers

The correct answer is C. the reaction temperature will be maintained at approximately 100°C.

When a reaction mixture is heated at reflux, the temperature of the mixture will be maintained at the boiling point of the solvent.Reflux is a process that involves condensing vapours and transferring the resulting condensate back to the system it originally came from. It is employed in both commercial and academic distillations. Moreover, it is employed in chemistry to provide long-lasting reactions with energy. For example, if the reaction mixture is heated with water, the temperature will be kept at 100°C. Therefore, when heating a reaction mixture at reflux, the reaction temperature will be maintained at approximately 100°C.

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what are the factor pairs needed to answer 3z^2 + 26z - 9 If the tides are caused by the gravitational pull of the Moon, why are there multiple tide cycles within one rotation of the moon? true or false,Based on the -globin alignment, identify the best hypothesis about how humans are related to monkeys and gibbons. Replace the loading acting on the beam by a single resultant force. specify where the force act, measured from B HELP I NEED HELP DUE TODAY PLEASE I WILL GIVE BRAINLIST(DELIA) What do you want from me? What?MARC: I want you to marry me.DELIA: You know very well I can't marry you. Not until I'm out of med school.You must remember our agreement. I remember our agreement. At least, Ithought it was an agreement. I mean, it wasn't contractual/but still, we hadan agreement.MARC: I don't care about the agreement.DELIA: Oh, you are the most infuriating. I've never in my life known suchan uncompromising individuall [sho leave)1. What does Delia's dialogue reveal about her personality?2. What does Marc's dialogue reveal about his personality?3.What mood is set by the dialogue in the passage?4.Circle the italicized words in Delia's speech. How do they help you understandwhat she is feeling?5. Does this passage contain dramatic irony? Explain your answer.6. Does the characters' dialogue seem natural? Explain your answer. Understanding Binary Search Trees (20 pts)Suppose we are searching for some key a in a BST. As we perform the search, we compare a to the keys on the path from the root to the leaf in the BST. Which sequences below cannot be the sequence of keys examined during the search? Explain why not. Do not assume that the searches below are performed on the same BST(a) (4 pts) 10, 8, 6, 4, 2, 1(b) (4 pts) 11, 105, 23, 92, 35, 87, 43, 78, 60, 59(c) (4 pts) 45, 15, 88, 75, 52(d) (4 pts) 12, 25, 106, 44, 87, 56(e) (4 pts) 21, 75, 32, 87, 44, 50 why did government officials want to relocate native americans to the west? A monopolist faces two consumers who have the demand curves Pa = 4 la and Pb = 2 lb. Her fixed costs and marginal cost are zero. a. Suppose she can identify which consumer has which demand curve. Compute the optimal block-pricing (perfectly price discriminating) offer she will make to each consumer. b. Suppose she can't distinguish which customer is which. Compute the optimal second-degree price discriminating prices for this monopolist. Assume the product can only be sold in discrete units. C. Compare social welfare between perfect and second-degree price discrimination. A long, straight wire lies along the xx-axis and carries current II = 65. 0 AA in the +xx-direction. A small particle with mass 4. 00106kg4. 00106kg and charge 8. 00103C8. 00103C is traveling in the vicinity of the wire. At an instant when the particle is on the yy-axis at yy = 8. 00 cmcm, its acceleration has components ax=5. 00103m/s2ax=5. 00103m/s2 and ay=+9. 00103m/s2ay=+9. 00103m/s2 Making Generalizations Martin Luther King, Jr., in his "Letter from Birmingham Jail" said that"segregation distorts the soul and damages the personality." In her final paragraph, Moody states that "The whites had a disease, an incurable disease in its final stages." What are King and Moody trying to say about how people behave when they believe a law is unjust? Why might people act irrationally? Divide 12x3 16x2 4x by 4x. 3x2 + 4x 1 3x2 + 4x + 1 3x3 4x2 x 3x2 + 4x what is juche political ideology What part of the body does Nephro refer to? What is the drum in a theory of constraints system? Figure 8-2 The vertical distance between points A and B represents a tax in the market. Price Supply 000 03 I 15 2 25 335 4 455 Dax + + Demand Refer to Figure 8-2. The loss of producer surplus associated with some sellers dropping out of the market as a result of the tax is a. So. b.SI. 52. O d.53. 0 Icon Key what is happening in the poemevery cell in this country looks like a choice you can walk in and out of__. Is there a policy in your school, town or at home that you would like to change? Write down your opinion as well assome reasons to support it. Keep it reasonable, as this is the topic that you will be working with throughout thelesson. If you can't think of a topic, use this one:Your town is going to implement a curfew for children under the age of 16. All children must be indoors by 9 p.m.Do you think this restriction is fair? Why or why not?BIU X X 15pxSpace used (includes formatting): 0/15000AVASubmit QUESTION 1 Tonya is camping in the woods with her dog and her friends. She notices the sound of the flowing creek and laughs with her friends about how her dog runs and barks at the rushing water. While her enjoyment of her friends and dog connect to culture, the sound of the creek is distinguished from these cultural experiences as nature because A bookmark is shaped like a rectangle with a semicircle attached at both ends. The rectangle is 15 cm long and 4 cm wide. The diameter of each semicircle is the width of the rectangle. What is the area of bookmark ? Use 3.14 for pie chris believed he did well on his exam because he was lucky. which psychological concept applies to chriss explanation?