If 3.21 mol of a gas occupies 56.2 L at 44°C and 793 torr, 5.29 mol of this gas occupies what volume would it be under these conditions?

Answer : Slope = -3, intersection = 11

We need to isolate for y here.

From 9x+3y=33, we need to derive a y=mx+b equation.

First, we take away 9x as follows:

9x+3y-9x=33-9x

The positive and negative values of 9x cancel our on the y side, so we are left with 3y=-9x+33

Now we need to get rid of the y coefficient:

(3y)÷3=(-9x+33)÷3

We need to effectuate the division on both sides to cancel out the coefficient, so we are left with y=-3x+11

Answer: y-intercept = y = 11 - 3x

Slope is m = -3

A rotation is a hard transformation that revolves an item around a central point. The direction of the form is different, but it still maintains its orientation. In a translation, the object's points are all moved in the same direction in a straight line.

Motion in which a moving body's points travel uniformly in one direction. We can observe that there is no change in the object's orientation if it is moving in a translatory manner. Motion that is translated is sometimes referred to as translational motion.

Although an object's position, size, or orientation can change during a transformation, its shape is not altered. Transformations can be non-rigid or rigid or isometric, where the size of the image remains constant.

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Answer:

Explanation:

D

Answer: Synthesis

Explanation:

This is Synthesis because the reactants combine to form the products.

Answer:

The reaction between calcium hydride (CaH2) and water (H2O) can be described by the following equation:

CaH2 + 2H2O → Ca(OH)2 + 2H2

This reaction produces calcium hydroxide (Ca(OH)2) and hydrogen gas (H2). The number of fluorine atoms is not specified in this equation.

Explanation:

Who knows and who doesn't know and who knows and who doesn't know and who knows because I thought that no one would even be happy to answer you

The temperature at which the diameter of the hole is 1.164 cm is approximately 23.00 + 13.63 = 36.63 ∘C.

The diameter of a hole in a steel plate changes with temperature due to thermal expansion. The amount of expansion is determined by the coefficient of linear expansion of steel, which is around 12x10^-6 per kelvin.

To find the temperature at which the diameter of the hole is 1.164 cm, we can use the formula:

ΔL = L0 * α * ΔT

where ΔL is the change in length, L0 is the initial length, α is the coefficient of linear expansion, and ΔT is the change in temperature.

We can rearrange the formula to solve for ΔT:

ΔT = ΔL / (L0 * α)

Substituting the values:

ΔL = 1.166 - 1.164 = 0.002 cm

L0 = 1.166 cm

α = 12x10^-6 per kelvin

ΔT = 0.002 / (1.166 * 12x10^-6) = approximately 13.63 kelvins

So, the temperature at which the diameter of the hole is 1.164 cm is approximately 23.00 + 13.63 = 36.63 ∘C.

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Answer:

The mass of 2 moles of water is greater than the mass of 2 moles of carbon dioxide, which is greater than the mass of 2 moles of ozone.

2 moles of water has a mass of approximately 36 grams, whereas 2 moles of carbon dioxide has a mass of approximately 44 grams, and 2 moles of ozone has a mass of approximately 48 grams.

ALLEN

The mass of trifluoroacetic acid that contains 83.3 g of oxygen is approximately 482.6 g.

First we need to use the molar mass and stoichiometry of the compound.

The molar mass of trifluoroacetic acid is:

(2 x 12.01 g/mol) + (1 x 19.00 g/mol) + (3 x 19.00 g/mol) + (2 x 16.00 g/mol) = 114.02 g/mol

The molar mass of oxygen is 16.00 g/mol.

From the chemical formula of trifluoroacetic acid (C2HF3O2),

we can see that each mole of the compound contains 2 moles of carbon, 1 mole of hydrogen, 3 moles of fluorine, and 2 moles of oxygen.

Using this information, we can set up a proportion to find the mass of trifluoroacetic acid that contains 83.3 g of oxygen:

(83.3 g O2) x (1 mol O2/16.00 g O2) x (1 mol C2HF3O2/2 mol O2) x (114.02 g C2HF3O2/1 mol C2HF3O2) = 482.6 g

Therefore, the mass of trifluoroacetic acid that contains 83.3 g of oxygen is approximately 482.6 g.

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Information 1: There are 2.0 moles of HCl. It contains 2.5 moles of NaOH.

Data 2 reveals a 2.5 mole concentration of zinc.

HCl has a molecular weight of six.

Fe(OH)3 makes up 4.0 moles, according to Data 3.

It contains 6.5 moles of H2SO4.

Answer (A) (A)

Below is a display of the suggested response.

HCl+NaOH→NaCl+H2O

1 mole of HCl and 1 mole of NaOH combine in the procedure described above.

To calculate how many moles of NaOH are needed to react with 2 mol of HCl, see the formula below.

NaOH=1mol1mol×2mol=2mol

NaOH is, however, just 2.5 moles accessible.

NaOH therefore acts as the excess reactant and HCl as the limiting reactant.

In light of this, HCl is the reaction's limiting reactant.

In response (B),

Below is a display of the suggested response.

Zn+2HCl→ZnCl2+H2

One mole of zinc reacts with two moles of HCl in the mechanism described above.

Thus, it can be determined from the calculations below how many moles of HCl are needed to react 2.5 mol of zinc.

HCl=2mol1mol×2.5mol=5mol

In contrast, there are 6 moles of HCl available.

The excess reactant in the reaction is therefore HCl, whereas the limiting reactant is Zn.

Consequently, Zn serves as the reaction's limiting reactant.

Answer (C) (C)

Below is a display of the suggested response.

2Fe(OH)3+3H2SO4→Fe2(SO4)3+6H2O

In the reaction mentioned above, 3 moles of H2SO4 and 2 moles of Fe(OH)3 react.

Thus, the calculation below determines how many moles of H2SO4 are necessary for four moles of Fe(OH)3 to react entirely.

H2SO4=3mol2mol×4mol=122mol=6mol

However, there is a limited supply of H2SO4 is 6.5 mol.

The limiting reactant in the reaction is therefore Fe(OH)3, while the excess reactant is H2SO4.

In light of this, Fe(OH)3 is the reaction's limiting reactant.

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Answer:  i answerd 34cu i got coreect hopefully you get it corecct!!!!!!!

Explanation:

We can form mole ratios by using a balanced chemical equation.

[tex]2N_2+5O_2\rightarrow 2N_2O_5[/tex]

[tex]\dfrac{n_{N_2O_5}}{2}=\dfrac{n_{O_2}}{5}[/tex]

[tex]\dfrac{n_{N_2O_5}}{2}=\dfrac{10}{5}[/tex]

[tex]n_{N_2O_5}=4[/tex]

4 moles of N2O4 are produced by reacting 10 moles of O2.

As per the balanced equation of the reaction, 5 moles of oxygen molecule gives 2 moles of the product N₂O₅ . Hence, 10 moles of oxygen will give 4 moles of nitrogen pentoxide.

The balanced chemical equation of a reaction represents the perfect stoichiometry of the reactants and products. Hence, the number of atoms of each element in the reactant side must be equal to their number of atoms in the product side.

The stochiometric ratio of number of moles of one reactant to the other or the product is called its mole ratio.

From the given reaction, it is clear that 5 moles of oxygen molecules reacts with nitrogen gas to give 2 moles of dinitrogen pentoxide.

Hence, the number of moles of dinitrogen pentoxide produced by 10 moles of oxygen gas is calculated as follows:

(10× 2)/5 = 4

Therefore, the number of moles of the product formed from 10 moles of oxygen gas is 4 moles.

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Electrons are negatively charged subatomic particles that orbit the nucleus of an atom. They are essential for chemical reactions, as they participate in the formation and breaking of chemical bonds. The appropriate diagram relating to the question is attached.

A radical is a molecule or atom that contains one or more unpaired electrons. Radicals are highly reactive and can participate in a wide range of chemical reactions, such as combustion, polymerization, and oxidation.

A cationic intermediate is a positively charged species that forms during a chemical reaction. It is an intermediate state between the starting materials and the final products, and it is typically short-lived. Cationic intermediates can be formed by the loss of an electron or by the addition of a proton or other positively charged species.

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A key advantage of PDF is that it has excellent tools for creating and editing images. It is true.

What is a PDF?

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According to the stoichiometry of the given chemical equation, 0.2 moles of potassium oxide would be produced assuming you had unlimited oxygen.

Stoichiometry is defined as   the determination of proportions of elements or compounds in a chemical reaction. The  relations are based on law of conservation of mass and law of combining weights and volumes.

Stoichiometry is used in quantitative analysis for measuring concentrations of substances present in the sample.

In the given equation,156 g potassium gives 188.4 g potassium oxide, thus, 15.6 g will give 15.6×188.4/156=18.84 g potassium oxide which is 18.84/94.2= 0.2 moles.

Thus, 0.2 moles of potassium oxide would be produced assuming you had unlimited oxygen.

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Answer: B) 2.17 moles P

Explanation:

To determine the number of moles of Phosphorous needed to completely react with 3.25 moles of Calcium, we need to look at the balanced chemical equation for the reaction:

2 P + 3 Ca → Ca3P2

From the equation, we see that two moles of Phosphorous are needed for every three moles of Calcium. To calculate the number of moles of Phosphorous needed for 3.25 moles of Calcium, we divide the number of moles of Calcium by 3 and multiply by 2:

3.25 moles Ca / 3 moles Ca/2 moles P * 2 moles P/1 mole Ca = 2.17 moles P

So, 2.17 moles of Phosphorous are needed to completely react with 3.25 moles of Calcium.

the empirical formula of a compound containing 47. 37 grams of carbon, 10. 59 grams of hydrogen, and 42. 04 grams of oxygen is C3H8O2.

To determine the empirical formula of the compound, we need to find the ratios of the different elements present in the compound.

The first step is to convert the masses of each element to moles using their respective molar masses:

Carbon: 47.37 g / 12.01 g/mol = 3.94 mol

Hydrogen: 10.59 g / 1.01 g/mol = 10.48 mol

Oxygen: 42.04 g / 16.00 g/mol = 2.63 mol

Next, we divide each of the mole values by the smallest of the three, which is 2.63 mol:

Carbon: 3.94 mol / 2.63 mol = 1.50

Hydrogen: 10.48 mol / 2.63 mol = 3.98

Oxygen: 2.63 mol / 2.63 mol = 1.00

Now we need to convert these ratios to whole numbers by multiplying each by a common factor. The smallest ratio is 1.00, so we will multiply all the ratios by 2 to get:

Carbon: 1.50 x 2 = 3

Hydrogen: 3.98 x 2 = 8

Oxygen: 1.00 x 2 = 2

Therefore, the empirical formula of the compound is C3H8O2.

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(a) The hydrogen ion concentration in the solution is [H+] = 1.14x10^-3 M. (b) 0.57%. (c) The ratio of the concentration of propanoate ion to that of propanoic acid in the buffer solution is 2.68.

(a) The balanced equation for the ionization of propanoic acid is:

C2H5COOH + H2O ⇌ C2H5COO- + H3O+

The equilibrium expression for this reaction is:

Ka = [C2H5COO-][H3O+] / [C2H5COOH]

At equilibrium, the concentration of propanoic acid that has ionized to form propanoate ion and hydronium ion is equal to the concentration of propanoic acid that has not ionized, so we can assume that [C2H5COO-] ≈ [H3O+]. Let x be the concentration of hydronium ion in the solution. Then the equilibrium expression becomes:

Ka = x^2 / (0.20 - x)

Solving for x, we get:

x = sqrt(Ka * (0.20 - x)) = sqrt(1.3x10^-5 * 0.20) = 1.14x10^-3 M

Therefore, the hydrogen ion concentration in the solution is [H+] = 1.14x10^-3 M.

(b) The percentage of propanoic acid molecules that are ionized in the solution is given by:

% ionization = [H3O+] / [C2H5COOH] x 100%

% ionization = (1.14x10^-3 / 0.20) x 100% = 0.57%

(c) The pH of a buffer solution can be calculated using the Henderson-Hasselbalch equation:

pH = pKa + log([C2H5COO-] / [C2H5COOH])

At pH 5.20, the hydronium ion concentration is 10^-5.20

= 6.31x10^-6 M.

Using the equilibrium expression for propanoic acid and the fact that [C2H5COO-] + [C2H5COOH] = total buffer concentration,

we can solve for the ratio of the concentrations of propanoate ion to propanoic acid:

Ka = [C2H5COO-][H3O+] / [C2H5COOH]

[C2H5COO-] = Ka[C2H5COOH] / [H3O+]

[C2H5COO-] = (1.3x10^-5)([C2H5COOH]) / (6.31x10^-6)

[C2H5COO-] / [C2H5COOH]

= 2.68

Therefore, the ratio of the concentration of propanoate ion to that of propanoic acid in the buffer solution is 2.68.

(d) When solid NaOH is added to the buffer solution, it reacts with the propanoic acid to form propanoate ion and water:

C2H5COOH + NaOH → C2H5COO- + H2O + Na+

The number of moles of propanoic acid that react with NaOH is equal to the number of moles of NaOH that were added. The new concentration of propanoic acid is:

0.35 M - (0.0040 mol / 0.100 L) = 0.346 M

The new concentration of propanoate ion is:

0.50 M + (0.0040 mol / 0.100 L) = 0.54 M

The new concentration of hydronium ion can be calculated using the equilibrium expression.

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The energy, in joules per mole (J/mol), of a photon in the microwave region of the EM spectrum is 5.81 x 10-3 J/mol (3 significant figures).

Energy is the capacity for doing work. It can take many forms, including kinetic energy (the energy of moving objects), potential energy (stored energy in an object due to its position or composition), thermal energy (heat), light, and electrical energy.

The energy carried by a single photon is equal to the product of Planck's constant (h) and the frequency (f) of the photon.
Therefore, the energy carried by a single photon in the microwave region of the EM spectrum, with a frequency of 5.25 x 1010 s-1, is:
E = h x f
 = (6.63 x 10-34 J.s) x (5.25 x 1010 s-1)
 = 3.48 x 10-23 J
The energy per mole of photons is then equal to:
E/mol = (3.48 x 10-23 J) / (6.02 x 1023 photons/mol)
= 5.81 x 10-3 J/mol
Therefore, the energy, in joules per mole (J/mol), of a photon in the microwave region of the EM spectrum is 5.81 x 10-3 J/mol (3 significant figures).

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46.2648

Atomic mass describes the number of protons and neutrons in an atom.

Percent Abundance

Percent abundance is the percentage of atoms within a sample that have a specific mass number. The reason that different atoms within a sample would have different mass numbers is that they are different isotopes. For example, if the isotope Cl-35 has a percent abundance of 75%, then 75% of all Chlorine atoms within a sample will have a mass number of 35. Percent abundance refers to the likelihood of an isotope occurring in a natural sample. Percent abundance does not take into account artificial samples of elements.

Finding Atomic Mass

The atomic mass of an element is found through the mass of isotopes and their percent abundances. The formula for atomic mass is:

In this formula, the m is the mass of the isotope and p is the percent abundance. The percent abundance should be expressed as a decimal for all calculations. Now, plug in the values and solve.

Rounded to 4 decimal places, this equals 46.2648. This means that the atomic mass of element "X" is 46.2648 amu.

Answer:

Creep feeding can help them make the transition without such a setback, and it can also help them begin to produce the enzymes needed to digest nonmilk proteins.

Explanation: