Organic molecules (amino acids) needed to be concentrated to stimulate reactions to form proteins concentration mechanisms do not include:___.

There are 112 oxygen atoms in 5.00 moles of MgSO4. This is because MgSO4 is composed of 1 mole of magnesium (Mg), 1 mole of sulfur (S), and 4 moles of oxygen (O).

What is composed?

Composed is a term used to describe the process of creating something, usually through artistic means. It can be used to refer to writing a song, painting a picture, or composing a poem. It can also refer to the creation of a musical composition or arrangement, either by an individual or as part of a team.

Therefore, if there are 5.00 moles of MgSO4, there would be 4 x 5.00 = 20 moles of oxygen, and since there are 6.02 x 10^23 atoms per mole, there would be 20 x 6.02 x 10^23 = 1.204 x 10^25 oxygen atoms.

Composed can also refer to the arrangement of elements in a piece of art or design, or the overall structure of a work. In some cases, the term may be used to refer to the creative process of planning and assembling a work, such as a book, movie, or painting.

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The lower boiling point of propane  makes it better in winter compared to butane.

The term LPG stands for liquified petroleum gases. It is one of the kinds of the gases that we can be able to use as fuel. We have to know that the gases that are used as fuel are the gases that are able to burn very well as this is key in the use of the fuel.

In the winter, we would need to use a gas that has a much lower boiling point and this is why in this case, the propane would be found to be better than butane due to its lower boiling point.

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Calcium phosphate can be converted into phosphorus using the following reaction: 6CaSiO3-(aq) + 2Ca3(PO4)2(s) = 6SiO2(s) + 10C(s).

Thus, the amount of moles for phosphorus is equal to the quantity of phosphorous divided by its molar mass. Now divide the molarity of phosphorus, which is 31 g each mole and weighs 114.95 g. Graham and this crime should cancel each other out. And after solving, 3.71 malls result.

You need to know the product's mass and its molarity (h t), which corresponds to the mass with one mole of the product, in order to determine the moles of the a substance.

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The mole fraction of LiBr is 0.8946

We are aware that the mole fraction or molar fraction is defined as the amount of a constituent (expressed in moles), ni, divided by the total amount of all the elements in the mixture (also indicated in moles, ntotal).

mole fraction = n/n overall

first we should calculate hw many gram the solution from the density

assume the volume is 1 L

so.

density = mass solution/ volume solvent

0.826 g/ml = mass/ 100mL

mass= 82.6 g

so the mole of the solution is

mole = mass/ mass molar

mole solution = 82.6 g / 41.05g/ mole = 2.012 mole

Then we can find the mole of LiBr from the concentration

molar= moles x volume

1.8 M = moles x 1 L

moles LiBr = 1.8 moles

thus,

mole fraction = n/ n total

mole fraction = 1.8/  2.012 =  0.8946

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When a solution is acidic, its pH will vary from 0 to 6.9. The pH of a basic solution may range from 7.1 to 14. When a solution is neutral, its pH will be 7.

A solution is a uniform mixture made up of two or more elements that have particles smaller than one nanometer. There are many different types of solutions, such as soda water, salt-and-sugar solutions, and others. A solution looks to have one phase for each component.

A solution in chemistry is a mixture of several substances in quantities that can be adjusted up to

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Ionic bonds, also known as electrovalent bonds, are a type of linkage created in a chemical molecule by the electrostatic attraction of ions with opposing charges.

When the valence electrons of one atom are permanently transferred to another atom, a bond of this kind is created. If an atom receives electrons, it becomes a charged ion, but if it loses them, it becomes a positively charged ion.

Ionic or electrovalent compounds are produced via ionic bonding, and the compounds generated between nonmetals and alkali and alkaline-earth metals serve as the best examples of this type of compound.

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Answer:

To determine the limiting reactant, you need to compare the amount of each reactant with the amount required to react completely with the other reactant. The reactant that runs out first is the limiting reactant.

In this case, the balanced equation for the reaction between MgSO4 and NH3 is:

MgSO4 + 2 NH3 → Mg(NH2)2SO4

From the balanced equation, we can see that 1 mole of MgSO4 reacts with 2 moles of NH3. Therefore, 3.7 moles of MgSO4 will react with (3.7 moles)(2 moles NH3/1 mole MgSO4) = 7.4 moles of NH3.

4.8 moles of NH3 is less than 7.4 moles, so NH3 is the limiting reactant.

Uday Tahlan

The proportion of exams scores between 68 and 73 points is 38.09%.

We must first determine the z-score for both points.

The z-score formula is:

Z-score is equal to (x-mean)/SD.

Given that in this instance:

Mean = 70

SD = 5

So, for a 68-point exam grade:

(68 - 70) / 5 is the z-score.

= –2 / 5

= –0.4

And for a 73 point exam grade:

(73 - 70) / 5 is the z-score.

= 3 / 5

= 0.6

Thus, the likelihood:

P (68 < x < 73) = P (–0.4 < z < 0.6)

Through the z-table:

P (–0.4 < z < 0.6)

= (0.5 – 0.3446) + (0.7258 – 0.5) (0.7258 – 0.5)

= 0.3809

= 38.09%

As a result, 38.09% of exam scores fall between 68 and 73 points.

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NO and NO₂ are the free radicals.

The species which is having unpaired as well as odd number of electrons will be considered as a free radical. If the number comes out to be odd, the concerned species will be considered as a free radical. In case of NO₂, the total number of electrons is 23 (7 from nitrogen and 16 from two oxygen atoms) and in case of NO the total  number of electrons is 15 (7 from nitrogen and 8 from oxygen).  Hence, the species are free radical.

Whereas, in case of [tex]ClO3^{-}[/tex], the  total  number of electrons is 42 (17 from chlorine and 24 from three oxygen and +1 for negative charge) and in case of [tex]NO2^{-}[/tex]the total number of electrons is 24 (7 from nitrogen and 16 from oxygen and +1 for negative charge) There are even no.  of electrons. Hence the [tex]ClO3^{-}[/tex] and [tex]NO2^{-}[/tex] are not a free radical.

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Involves the reduction of one molecule CuI+e to Cu and the oxidation of another CuI to CuII+e. A different illustration of a disproportionation reaction is the interaction of halogens with hydroxide ions, such as Cl2(g)+2OH(aq) Cl(aq)+ClO(aq)+H2O(l).

One mole of aluminium weighs 26.982 g, which may be found on the periodic table to determine the atomic mass and the number of grammes per mole.

The chemical name for aluminium is Al. 26.98 g/mol is the molar mass. The elemental form of metallic aluminium is present (the most fundamental form is the elemental form, which is expressed in the periodic table). We can use the formula 2(n2) because the atomic number of aluminium is 13.

Reaction to displacement This reaction is a synthesis since it involves the combination of two reactants (Al and O2) to produce a single product, Al2O3. Utilize all of the digits associated with the atomic weights as listed on their periodic table. Use the resulting molar mass after adding them all up. Avoid rounding the molar mass.

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When pipes leak, the environment's air, water, soil, and climate might be harmed. When there is a lot of rain and flooding, pipes that span rivers and streams are more likely to burst.

Acid rain, deteriorating water quality, groundwater contamination, and the greenhouse effect's intensification are only a few significant environmental effects. Aside from destroying ecosystems that, in some cases, may be unique, the oil and gas industry may also be a factor in the decline of biodiversity. Drilling and milling machines have both advantages and drawbacks.

Benefits: accurate points, good feed control, and challenging to roll. Retraction's shortcomings include its lack of flexibility and inability to process large or deep holes. Furthermore, methane, a greenhouse gas 21 times more potent than carbon dioxide, is released in enormous quantities by the oil and gas sector. In total, the industry is to blame for 3.8% of all greenhouse gases, or 38% of all methane emissions in the United States.

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the best Lewis structure for CH3CH(CH3)CH2C(CH2CH3)2CHO, a neutral molecule has been shown in the image

A Lewis Structure is a very simple example of a molecule's valence shell electrons. It is used to depict how electrons in a molecule are set up around individual atoms. Gilbert N. Lewis, who introduced the Lewis structure in his 1916 article The Atom and the Molecule, was decided to name after it. Lewis structures broaden on the electron dot diagram notion by trying to add routes among atoms to portray shared pairs in a chemical bond. The Lewis Symbol is generated by putting dots chosen to represent electrons in the external energy around the element symbol.

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Since there are 6.022 1023 molecules in 1 mole of oxygen (O2), it has a mass of 32 grams.

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The amount of negative charge in one mole of oxygen gas, [tex]O_{2}[/tex] is 9.647 x [tex]10^{14}[/tex] coulomb.

One mole of oxygen gas, with the formula O2, weighs 32 g and includes 6.02 x [tex]10^{23}[/tex] molecules of oxygen, but also contains 12.04 x [tex]10^{23}[/tex] (2 x 6.02 x [tex]10^{23}[/tex]) atoms of oxygen, since each molecule of oxygen contains two oxygen atoms.

Since there are 6.022 1023 molecules in 1 mole of oxygen ([tex]O_{2}[/tex]), it has a mass of 32 grams. One mole of oxygen weighs 15.998 grams, whereas one mole of hydrogen weighs 1.008 grams. Since there are 6.022 1023 molecules in 1 mole of oxygen ([tex]O_{2}[/tex]), it has a mass of 32 grams.      

Mass of 1 mole of electrons:

9.10 x [tex]10^{13}[/tex] × 6.023× [tex]10^{23}[/tex] 5.486× [tex]10^{-7}[/tex] kg

Charge of 1 mole of electrons:

1.602× [tex]10^{-19}[/tex] × 6.023× [tex]10^{23}[/tex] = 9.647× [tex]10^{4}[/tex] coulomb

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The air pressure at the top of Mount Everest in atmospheres is equal to 0.2618 atm.

In Science, pressure can be defined as a measure of the force exerted per unit area of an object or physical body. This ultimately implies that, pressure is usually measured in Newton per meter square and calculated by using this formula:

P = F/A

Where:

Generally speaking, air pressure can be measured in other units such as the following:

In order to convert the value of pressure in millimeters of mercury (mm Hg) to atmosphere, we would divide by 760 as follows:

Air pressure = 199/760

Air pressure = 0.2618 atm.

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Answer: 0.261842

Explanation:

The absolute configuration of any of the amino acid is :

             H                                     H

              |                                        |

HOOC - C - NH₂                  H₂N - C - COOH

              |                                        |

            CH₃                                   CH₃

The configuration of the amino acid is indicated by the pointing H at the rear, the R group is in the right direction , The COOH group is in the left direction and the NH₃ group in the upward direction.

             H                                     H

              |                                        |

HOOC - C - NH₂                  H₂N - C - COOH

              |                                        |

            CH₃                                   CH₃

D - amino acid                      L - amino acid

The proteins which are naturally obtained are consist of the L - amino acid.  The L - of the amino acid are the one that found in the nature easily.

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The mass of carbondioxide that will be produced from the reaction of 37.5g of C₂H₆ is 110 grams.

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

According to this question, ethane reacts with oxygen to produce carbondioxide and water as follows:

2C₂H₆ + 7O₂ → 4CO₂ + 6H₂O

Based on the above reaction, 2 moles of ethane produces 4 moles of carbondioxide

37.5g of ethane = 1.25moles of ethane

moles of carbondioxide = (1.25 × 4) ÷ 2 = 2.5 moles

mass of carbondioxide = 2.5mol × 44g/mol = 110grams of carbondioxide.

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The independent variable here is the distance water traveled out of the carton.

The factors of the subject or the things that have an impact on the experiment are known as the variables of an experiment. Three different sorts of variables exist. These variables are control, independent, and dependent.

Independent variables are ones that are not under the experimenter's direct control. The experimenter can alter or regulate the dependent variables. Control variables are those that don't change or are constrained during the experiment.

The carbon's journey distance is the dependent variable in this situation when Mario studied how far room temperature water would spurt out of a plastic milk carton when 3mm holes were punched at different heights from the bottom of the container.

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The correct answer is 107.9 g of Ag is produced from a reaction of 31. 75 gram of Copper.

Molar mass of a substance is the mass in grams of one mole of the compound. A mole is the measurement of the number of things, such as atoms, molecules, and ions, that are present in a substance. Any material has 6.022 x 1023 molecules in a mole, it is known as Avogadro's number . The mole is used to determine the size of the tiniest entities quantitatively, just as we use a standard value to quantify many things, such as 1 dozen = 12 items.

Formula - Molar mass = mass in grams/mole = g/mol

Molar mass of a substance can be calculated as:

Given,

n = W/M, where

W = required mass

M= molar mas

Given chemical reaction is:

Cu + 2AgNO₃ → Cu(NO₃)₂ + 2Ag

From the stoichiometry of the reaction,

1 mole of Cu = produce 2 moles of Ag

Given mass of Cu = 31.75g

Molar mass of Cu = 63.5g/mol

Moles of Cu = 31.75g / 63.5g/mol = 0.5 moles

0.5 moles of Cu = produce 2×0.5 = 1 mole of Ag

Molar mass of Ag = 107.9g/mol

Required mass of Ag = 1mol × 107.9g/mol = 107.9 g

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Potential Energy stored in bond of molecules is called chemical energy.

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Fossil fuels may cause water pollution because they release toxicants into the atmosphere, which is formed by air and water.

The relationship between fossil fuels and water pollution is based on the fact that fossil fuels are burned to release energy which may generate contamination that affects water into the atmosphere.

Therefore, with this data, we can see that the relationship between fossil fuels and water pollution is based on the release of toxic substances and greenhouse gases during this process that affects water in the atmosphere.

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the conjugate acid for each base is conjugate acid of H2PO−4 : HPO4^2-, conjugate acid of SO2−4 : HSO4-, conjugate acid of NH3 : NH4+

A conjugate acid-base pair is a pair of substances that differ by only a proton. An acid is a substance that donates a proton (H+) in a chemical reaction, while a base is a substance that accepts a proton. When an acid loses a proton, it becomes its conjugate base, and when a base gains a proton, it becomes its conjugate acid.For example, the conjugate acid of the base NH3 is NH4+ and the conjugate acid of the base H2O is H3O+. The conjugate acid and the base are in equilibrium with each other, and the acidity constant (pKb) of the base is related to the basicity constant (pKa) of the conjugate acid. In acid-base reactions, the acid donates a proton to form its conjugate base, and the base accepts a proton to form its conjugate acid.

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Complete this table for the H₂O :

a. T=143.61 °C , saturated mixture

b. p = 2319.6 kpa . u, kJ/kg = 2601.30

c. u, kJ/kg = 806.00, compressed liquid

d. T = 450 °C , superheated vapor

The complete table for the H₂O is as :

T [°C]      p [kpa]          u [kJ/kg]             phase description

143.61      400               1450                     Saturated mixture

220          2319.6           2601.30               Saturated vapor

190           2500             806.00               Compressed liquid

450          4000             3040                  Superheated vapor

The compressed liquid is also called as a sub cool liquid, that means the substance that not about to vaporized. The super heated vapor is. the steam at the temperature higher than the vaporization point at absolute pressure.

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Answer:

The sun is it's darkened phase

Isopentane, commonly known as methyl butane or 2-methylbutane, is an alkane with a branched chain and five carbon atoms. Its chemical formula is C 5H 12 or CH(CH).

At normal temperature and pressure, isopentane is a highly flammable and volatile liquid. Additionally, under normal circumstances, it is the least dense liquid. [Reference needed] Isopentane has a standard boiling point that is only a few degrees above room temperature, therefore on a warm day, it will easily boil and evaporate. To achieve a liquid bath temperature of 160 °C, isopentane and liquid nitrogen are frequently utilized. Isopentane is a substantial component of natural gasoline, however, it normally only makes up 1% or less of natural gas.

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Answer:

A substance with particular chemical properties including turning litmus red, neutralizing alkalis, and dissolving some metals; typically, a corrosive or sour-tasting liquid of this kind. Often contrasted with alkali and base.

The highest pH is 1

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The half-life of sodium-25 is 237 seconds.

The half-life of a radioactive substance is the amount of time it takes for half of the initial amount of the substance to decay. In this case, 1.00 gram of a 16.00-gram sample of sodium-25 remains unchanged after 237 seconds, which means that half of the initial sample has decayed in that amount of time.

Therefore, the half-life of sodium-25 is 237 seconds. It's worth mentioning that the half-life of radioactive isotopes can vary depending on the element and the specific isotope. Also, the half-life of a radioactive element is an important factor in the safe handling and disposal of nuclear waste, because it determines how long the radioactive material remains dangerous.

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The section of the periodic table in Figure 1 that is most likely to contain element R is section A.

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The resulting empirical formula is Na2CrO4.

The empirical formula of a compound is the simplest whole-number ratio of the elements it contains. To calculate the empirical formula, we must first determine the molar ratio of the elements by dividing their masses by their respective molar masses.

For sodium, the molar mass is 22.99 g/mol. Therefore, the molar ratio of sodium is 29.84 g / 22.99 g/mol = 1.30 mol.
For chromium, the molar mass is 51.99 g/mol. Therefore, the molar ratio of chromium is 39.7 g / 51.99 g/mol = 0.76 mol.
For oxygen, the molar mass is 16.00 g/mol. Therefore, the molar ratio of oxygen is 72.67 g / 16.00 g/mol = 4.54 mol.
To get the empirical formula, we must divide each of the molar ratios by the smallest molar ratio, which in this case is 0.76 (for chromium). The resulting empirical formula is Na2CrO4.

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By changing gear and according to the brakes applied to the car.

Acceleration is the rate of change of the velocity of an object with respect to time.

There are three types of accelerated motions such as :

Therefore, In a car you could accelerate by hitting the gas or the brakes either of which would cause a change in speed. But you could also use the steering wheel to turn which would change your direction of motion. The car moves faster and faster, speed is the rate of change of position while acceleration is the rate of change of velocity.

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