calculate the angles that a spin angular momentum vector for an individual electron can make with the z axis.

If 51 moles of water reacts in the above chemical reaction, then 34 moles of phosphoric acid will be produced.

Stoichiometry refers to the study and calculation of quantitative (measurable) relationships of the reactants and products in chemical reactions (chemical equations).

According to this question, phosphorus oxide reacts with water to produce phosphoric acid as follows:

P₄0₁₀ + 6H₂O → 4H₃PO₄

Based on the above equation, 6 moles of water produced 4 moles of phosphoric acid.

This means that 51 moles of water will produce 51 × 4/6 = 34 moles of phosphoric acid.

Learn more about stoichiometry at: https://brainly.com/question/9743981

#SPJ1

Based on the given information, the area that is most likely to have more chemical weathering is Area 1.

What is chemical weathering?

To learn more about chemical weathering refer to:

https://brainly.com/question/29784355

#SPJ4

When opposed to humid areas,  ground water will be deeper in arid areas. underground water source termed an confined aquifer is one in which an impermeable layer blocks the water's path to the surface the planet.

An aquifer that has restricting beds enclosing it on both the top and bottom is said to be confined. At substantial depths below the surface of the ground, confined aquifers typically exist.

Aquifers that are enclosed and filled with water are those that are found beneath the surface of the land. The aquifer is under pressure because of the impermeable layers that are both before and below it. As a result, when a well drills into the aquifer, water will rise over the top of the impermeable layers.

To know more about confined aquifers visit:

https://brainly.com/question/14916917

#SPJ4

The conversion of the following moles to grams is as follows:

The number of moles of a substance can be converted to mass using the following formula:

moles = mass ÷ molar mass

According to this question, 0.989 moles of phosphorus and 1.21 moles of carbon dioxide is given. The mass can be calculated as follows:

mass of phosphorus = 31 × 0.989 = 30.659g

mass of carbondioxide = 44 × 1.21 = 53.24g

Learn more about mass at: https://brainly.com/question/21042927

#SPJ1

                                                                               ··                               ··  

The balanced equation was found to be Na· + ·Cl : ---------> Na + (: cl : )-

                                                                               ..                               ..          

Define ionic bond dot diagram ?

Group 8 elements, generally known as noble gases, are noted for their inertness. They hardly never react with other elements, such as water, oxygen, or metals. This is due to the fact that they all have a complete outer shell of electrons. This is the most stable electron configuration possible for an atom.

Other elements, on the other hand, do not have this stable electron configuration. Instead, in order to obtain that ideal arrangement, they must acquire, lose, or share electrons. Ionic bonding is one method for doing this.

the answer for the ionic bond dot diagram for the Nacl was found to be.

           ··                              ··

Na· + ·Cl : ---------> Na + (: cl : )-

           ..                              ..

To learn more about ionic bond follow the given link: https://brainly.com/question/13526463

#SPJ1

Copper sulphate (CuSO4) has a molar mass of 159.6 g/mol.

What uses does copper have?

Due to its ductility and excellent conductivity, copper is mostly used in electrical generators, home and auto wiring, as well as the wires in electronics like radios, TVs, computers, lighting, and motors.

A metal or a nonmetal, is copper?

Just on Periodic Table of Elements, copper is the 29th element. It is regarded as a moderately, nonferrous, malleable metals with countless uses in the fields of electrical and electronics, plumbing, construction projects & architecture, business, transportation, & consumer and health items.

To know more aboout copper visit:

https://brainly.com/question/13677872

#SPJ1

The given statement is true since the number of objects in a mole is dictated by a quantity called Avogadro's number.

Avogadro's number is quite an important quantity in chemistry as well as other branches of science. It tells us how many atoms are there in one gram atom of a compound, how many molecules are there in one gram molecule of a compound, and how many ions are there in one gram of ions in a substance.

It was discovered by the Italian scientist Amedeo Avogadro and thus, named after him. Its value is = 6 . 022 × 10²³ mol⁺¹ and its SI unit are the reciprocal of a mol (mol⁺¹). Hence, the given statement is indeed true.

Learn more about Moles on

https://brainly.com/question/26416088?referrer=searchResults

#SPJ4

The empirical formula of the 10.150 g sample compound which is known to only contain phosphorus and oxygen shows that the phosphorus content 0f 4.433 g is P₂O₅.

An empirical formula is a compound's chemical formula that only specifies the ratios of the elements it contains and not the precise number or arrangement of atoms.

An unidentified substance weighs 10.15 g.

Phosphorus weighs 4.433 g in total.

Hence, 10.15 - 4.433 = 5.717

The oxygen mass will be 5.717g.

Determine the moles.

Number of moles of oxygen = mass / molar mass

= 5.717 / 16

= 0.357

Number of moles of phosphorus = mass / molar mass

= 4.433 / 31

= 0.143

Divide the moles by the minimum number of mole:

⇒ 0.357 / 0.143

= 2.496

⇒ 0.143 / 0.143

= 1

Divide the moles by two:

⇒ 2.496 x 2 = 5

=1 x 2 = 2

So, the empirical formula is P₂O₅.

Learn more about empirical formula here: https://brainly.com/question/14044066

#SPJ4

1. Reaction of BH3 in basic condition with alkyne is the water addition to the triple bond and forming unstable enol form which in turn tautomerize to the ketone or aldehyde for terminal triple bond. Addition of water to the triple bond follows anti-Mark's rule.

In our reaction, 4-octyne under go water addition and forms a single product, 4-octanone (P1) because it is a symmetrical alkyne. Refer the below image for reaction. 2.  Reaction of H2 in Lindlar catalyst with alkyne is the H addition to the triple bond. The only product is Z alkene. In our reaction, (S)-pent-3-yn-2-ol under go reduction reaction with H2 in Lindlar catalyst and forms the Z - isomer (P2), (S,Z)-pent-3-en-2-ol. Refer the below image for reaction.

Learn more about alkenes here:

https://brainly.com/question/3614247

#SPJ4

The given question is 98, 99, 100 , 90, 98 , 100

Mean= [tex]\frac{Sum of observations}{Number of observations}[/tex]

In mathematics and statistics, the average is the average of a set of values. The mean can be calculated in a number of ways, including the simple arithmetic mean (adding the numbers and dividing the sum by the number of observations), the geometric mean, or the harmonic mean.

Sum of observations is 98+99+100+90+98+100

The summation is 585

The number of observations is 6.

= [tex]\frac{98+99+100+90+98+100}{6}[/tex]

= 97.5

So, the answer is 97.5

33.4 kilojoules of heat are necessary to melt 100 grams of ice therefore, option A is the right choice.

The heat that is required to break the intermolecular connections in a substance as it is transformed from one phase to another is referred to as the latent heat of that substance. The temperature does not rise due to the presence of latent heat.

Throughout the process of phase changeover, the temperature of the substance does not change. The amount of heat that must be applied in order to turn 1 g of solid ice into liquid is referred to as the latent heat of the fusion of ice.

Mass of ice = 100g

Latent heat of fusion of ice = 334 Joules/g

H = mL

H = 100g × 334 J/g

H = 33400 J or 33.4 KJ

Want to know more about heat energy visit the link which is given below;

https://brainly.com/question/29210982

#SPJ4

Answer:

something that is impossible

The average atomic mass of bromine is derived from the isotopic masses and percentage abundance. The average atomic mass of  bromine is 80.31 amu.

Isotopes are atoms of same element with different atomic mass numbers. Almost all elements have two or more isotopes but not all of them are stable in nature.

The average atomic mass can be calculated from the isotopic mass and and percentage abundance as follows:

atomic mass = ∑ (isotopic mass × %abundance /100 )

Apply the isotopic mass and abundance of all isotopes given as follows:

atomic mass of  bromine = (50.54/100 × 78.92 amu) +  (49.96/100 × 80.92 amu) =80.31 amu.

Therefore, the atomic mass of  bromine is 80.31  amu.

Find more on isotopes:

http://brainly.com/question/21536220

#SPJ1

Wind results from a horizontal difference in air pressure and since the sun heats different parts of the Earth differently, causing pressure differences, the Sun is the driving force for most winds. 1.

What is meant by pressure?

To learn more about pressure refer to

https://brainly.com/question/25736513

#SPJ1

A popular science project and craft used to better understand how particular atoms function is the creation of 3D atom models. When teaching about atoms, a 3D atom model can be used to demonstrate concepts in a classroom or to provide explanations.

The 3D concept of the atom and how the protons and neutrons in the nucleus relate geometrically and in terms of size to the electrons spaced at relatively great distances from the nucleus can be introduced to students from elementary school through high school through an atom model project.

It should be noted that in order to make the 3D concept for the model, attach eight small craft balls to the medium circle, eight to the large circle, eight to the extra-large circle, and finally two to the small circle with glue. These will resemble each and every atom's electron. To help the model hang, attach a piece of string to the outer circle.

Learn more about atom on:

https://brainly.com/question/17545314

#SPJ1

With rising temperatures, sodium hydroxide's solubility declines when dissolved in another solvent.

Solubility refers to how easily a substance dissolves in a liquid to produce a solution (usually expressed as grams of solute per litre of solvent). One fluid's (liquid or gas) solubility in another can be complete (completely miscible; for example, methanol and water) or partial (oil and water only partly dissolve).

Solutes are divided into three categories: highly soluble, sparingly soluble, and insoluble based on the concentration at which they dissolve in a solvent.

To know more about solubility visit:

https://brainly.com/question/28170449

#SPJ1

The internal energy change of the reaction is -561J, and w for the species is +235J according to the provided statement.

In a chemical reaction, one or more substances—also known as reactants—are changed into one or more additional compounds are known as products. Chemical elements or chemical compounds make up substances.

Using the basic principle of thermodynamics,

ΔE = q + w

Q is -ve when heat is produced.

Thus,

q = - 495 J

ΔE = -31J

These variables are substituted in the equation above to yield,

- 31 J = - 495 J + w

or, w = +464 J

Using the basic principle of thermodynamics,

ΔE = q + w

Q is -ve when heat is produced.

Thus,

q = -796 J

The system has been worked on, thus w is positive.

Thus,

w = +235 J

These variables are substituted in the equation above to yield,

ΔE = + 235 J - 796 J

ΔE = -561 J

To know more about Reaction visit:

brainly.com/question/25769000

#SPJ4

The complete question is-

A chemical reaction is run in which 495 Joules of heat are generated and the internal energy changes by -31 Joules.

Calculate 'w' for the system in (Joules)

A chemical reaction is run in which 796 Joules of heat are generated and 235 Joules of work are done on the system.

Calculate the change in the internal energy of the chemical system.

ΔE in Joules

The limiting reactant in the question that we have here is magnesium since it has lower yeild. Option D

If we are looking at the reactant, we are going to be looking at the reactant that is in the system that is going to lead us to obtain about the lowest amount of the products that is in the system.

Now we have in the case of the question that we have been asked that the kind of the reactant that would give the lowest amount of the product from the information in the question is magnesium.

Learn more about limiting reactant:https://brainly.com/question/14225536

#SPJ1

The variable exerted by gas molecules in a specific area is called pressure.

Pressure is a measure of the force exerted by gas molecules on the walls of the container they are in. It is typically measured in units of Pascals (Pa) or pounds per square inch (psi). The pressure of a gas is determined by the number of molecules present in a given volume, as well as the velocity of those molecules.

At higher temperatures, gas molecules move faster and therefore exert a greater force on the walls of the container, resulting in higher pressure. At lower temperatures, gas molecules move more slowly and exert a lesser force, resulting in lower pressure. Additionally, increasing the number of molecules in a given volume will also increase the pressure.

Learn more about the pressure here:

https://brainly.com/question/2617187

#SPJ4

The angle would need to be 180 degrees for the anti-conformation. Additional staggered conformation, known as the anti conformation, is created by adding another 60 rotations. In this structure, the two methyl groups are placed in opposition to one another.

Dihedral, which is the upward angle of an aircraft's wings, makes the lower wing fly at a higher angle of attack than the higher wing, increasing lateral stability in a bank. In reality, it just means that you can fly more autonomously, especially during turbulence.

The angle between an aircraft's left and right wings is known as dihedral in aeronautics. The impact of sideslip on the aircraft's rolling is also referred to as "dihedral."

To know more about Dihedral visit:

https://brainly.com/question/21684710

#SPJ4

K2CO3 + 2HNO3 = 2KNO3 + H2CO3. The necessary quantity of n (KNO3)    is equal to 2 x n (H2CO3), or 2 x 0.228, or 0.456 mol. This exceeds the amount that is accessible (0.15 mol). KNO3 is the least reactive as a result.

What does the word reactive mean?

reacting to circumstances or events rather than taking proactive measures to influence or prevent them: Unfortunately, rather than taking a proactive approach to the issue of auto theft, the police have taken a reactive one. They only seem to be capable of responding adversely to proposals made by other individuals.

Which of the following describes a reactive chemical?

Explosives, peroxides, water-reactive substances, and pyrophorics are a few examples of extremely reactive chemicals.

To know more about reactive visit:

https://brainly.com/question/1598581

#SPJ1

Answer:

Explanation:

O2 gives your brain oxygen H2O Hydrates your body

A soil can hold more water if its surface area is larger. To put it another way, a fine soil, which is defined as soil with only a high proportion of clay and sediment particles, has a better capacity to hold water.

The material that covers the surface of the ground, known as soil, is created as a result of the weathering of rock. Its principal constituents include mineral atoms, organic substances, air, water, and living things, all of which interplay slowly yet continuously.

Although a lot of us could confuse the terms dirt and soil, they are distinct from one another thing. When it comes to nutrients or bacteria, dirt is frequently composed of clay, sands, silt, and pebbles.

To know more about Soil visit:

https://brainly.com/question/23813511

#SPJ4

The correct option c. nonmetals. Nonmetals make up the majority of the elements of groups 16 through 18.

The position of an element on this periodic table has a significant impact on how that element is defined.

Elements of groups 16 through 18:

To know more about the elements, here

https://brainly.com/question/10753686

#SPJ1

1) anhydride normal peaks (1760 and 1810 cm-1) there are two peaks for anhydrides at the above freq. our peaks are at 1759 cm-1 and one at 1838 cm-1 (cyclic anhydride 5 membered ring again increases freq. upto 30 cm-1).

So, the peak at 1838 cm-1. electronegetive oxygen atom (inductive effect) between two carbonyl group increases the freq, while resonanse lowers the freq.

2) While cracking the dimer it will give us monomer which then reacts with maleic anhydride to give Diels-Alder product, it does not give any unwanted product at higher temperature. if cracked monomer reacted at low temp. or it does not reacted immediately with maleic anhydride then unwanted product will be obtained

3) breaking the dimer at high temperature and it is to be reacted immediately can isolate the pure prodict.

To know more about anhydride here

https://brainly.com/question/28148464

#SPJ4

Lewis structure for CH₅N has one lone pair.

A lone pair, also known as an unshared pair or a non-bonding pair, is an unshared pair of valence electrons that are not shared with another atom in a covalent bond in chemistry. Atoms' outermost electron shell contains lone pairs. The Lewis structure can be used to locate them. Therefore, if two electron pairs are coupled but are not utilized in chemical bonding, they are referred to as lone pairs. As a result, the amount of valence electrons surrounding an atom is equal to the sum of the electrons in lone pairs and those in bonds.

In the valence shell electron pair repulsion theory (VSEPR theory), which describes the morphologies of molecules, the idea of a lone pair is employed. They are also mentioned in relation to Lewis acids and bases in chemistry. Chemists do not, however, always classify non-bonding electron pairs as lone pairs. Examples include transition metals, where non-bonding pairs are believed to be stereochemically inactive and do not affect molecular shape. The idea of a lone pair is less clear in molecular orbital theory (completely delocalized canonical orbitals or localized in some way), as the relationship between an orbital and the elements of a Lewis structure is sometimes not clear-cut. However, orbitals that are largely nonbonding or that are occupied are typically classified as lone pairs.

We can learn more about lewis structure here:

https://brainly.com/question/20300458#

#SPJ4

Answer:

Explanation: you have to divide the simbles

Answer: Option b is correcr

Explanation: ption A: The relevant solubility rule is: Compounds with halides are soluble except when with silver, lead, or mercury. Therefore the products of this reaction are all soluble and the reaction will not occur as no precipitate is made.

Option B: In addition to the solubility rule stated in Question A, all nitrates are soluble. Therefore the products of this reaction are all soluble and the reaction will not occur as no precipitate is made.

Option C: Based on the solubility rules already mentioned, the products of this reaction are all soluble and the reaction will not occur as no precipitate is made.

Option D: Most compounds of phosphate are insoluble with exceptions being with ammonium and some Group 1A metals. Based on this, the silver phosphate

Ag will be insoluble and form a precipitate. Therefore this reaction will occur and Option D is the correct answer

To know more about reactions,

brainly.com/question/28260925

brainly.com/question/11033032

Temperature. The desert reaches an average daily temperature of 38°C (just over 100°F). Desert nighttime temperatures typically drop below -3.9°C (approximately 25°F).

What is the desert's highest temperature?

The world's hottest air temperature was recorded at Death Valley: A scorching 56.7°C (134.1°F) was recorded on July 10, 1913, in the California desert's aptly called Furnace Creek location. Meanwhile, the average summer temperature frequently exceeds 45°C (113°F).

What is the desert's lowest temperature?

Desert surfaces lose nearly twice the same or more heat at night as humid ones do and receive slightly more than twice as much solar energy. Many average annual temperatures fall between 20 and 25 °C. The extreme maximum temperature is between 43.5 and 49 degrees Celsius. At times, the minimum temperature falls below -18 degrees Celsius.

To know more about temperature visit:

https://brainly.com/question/23411503

#SPJ1

1) Place the atoms in relation to one another. Because it has the lowest electronegativity, the atom with the lowest group number should be placed in the centre. If two atoms have the same group number, the atom with the lowest period number should be placed in the middle.

2) Determine the total number of accessible valence electrons. Add one electron for each negative charge or remove one electron for each positive charge in the case of polyatomic ions.

3) Distribute the remaining votes in pairs so that each atom has eight electrons (or two for H). To begin, arrange lone pars on surrounding (more electronegative) atoms to form an octet. Place any remaining electrons on the centre atom. After that, double-check that each atom contains eight electrons.

4) If the centre atom still lacks an octet. Change a lone pair from one of the surrounding atoms into a bonding pair to the centre atom to form a multiple bond.

5) Draw a single link from each surrounding atom to the core atom, and for each bond, add two valence electrons.

Lewis structures are diagrams that illustrate the bonding between atoms in a molecule as well as any lone pairs of electrons that may exist. They are also known as Lewis dot formulae, Lewis dot structures, electron dot structures, or Lewis electron dot structures (LEDS). A Lewis structure can represent any covalently attached molecule as well as coordination compounds. The Lewis structure was named after Gilbert N. Lewis, who proposed it in his 1916 work The Atom and the Molecule. Lewis structures extend the notion of the electron dot diagram by adding lines between atoms to represent shared pairs in a chemical bond.

To learn more about Lewis structure, here

https://brainly.com/question/20300458

#SPJ4