The nuclear reaction entails the breakdown of an element and the subsequent release of radioactive particles. This process can occur naturally or be produced purposefully. As a result, the reaction equation is balanced. The radon element is transmuted into polonium and an alpha particle in the provided question. Since an alpha particle was emitted, the equation is balanced.

Fusion and fission are two types of nuclear reactions that involve changes in the atomic nucleus of an atom.

Fusion is the process of combining two light atomic nuclei to form a heavier nucleus. This process releases a large amount of energy in the form of heat and light. Fusion occurs under high temperatures and pressures, similar to those found in the core of a star. A specific example of fusion is the fusion of two hydrogen nuclei to form helium, which is the process that powers the sun. In this reaction, the two hydrogen nuclei (protons) combine to form a helium nucleus, which consists of two protons and two neutrons. This process releases a large amount of energy in the form of gamma rays and other high-energy particles.

Fission, on the other hand, is the process of splitting a heavy atomic nucleus into two or more smaller nuclei. This process also releases a large amount of energy in the form of heat and radiation. Fission is used in nuclear power plants to generate electricity. A specific example of fission is the splitting of a uranium-235 nucleus into two smaller nuclei, such as krypton-92 and barium-141, and several neutrons. This reaction also releases a large amount of energy in the form of gamma rays and other high-energy particles.

In the case of the element Si-32, fusion and fission reactions can occur. For example, Si-32 can undergo fusion with hydrogen to form a heavier element, such as sulfur or argon. On the other hand, Si-32 can also undergo fission, where it can split into smaller nuclei, such as magnesium and calcium. The specific details of these reactions, including the amount of energy released and the products formed, depend on the specific conditions and the reactants involved.

The rates of reaction for the trial 1 is 8.22 x 10⁻² M⁻² s⁻¹ and 1.10 M⁻² s⁻¹ for traila 2 and 3

To find the reaction rate with respect to U and S, keep the concentration of W constant and vary the concentrations of U and S while measuring the rate.

Assuming the concentration of W in all three trials is constant, choose trial 1 as the reference trial and calculate the rate constant (k) for the reaction with respect to U and S.

For trial 1:

[W] = 0.13 M

Rate = 4.72 x 10⁻⁴ M/s

For trial 2:

[W] = 0.13 M

Rate = 1.18 x 10⁻² M/s

From the equation rate = k[U][S], set up the following ratio of rates:

Rate2/Rate1 = (k[U]2[S]2)/(k[U]1[S]1)

Simplifying:

k = (Rate2/Rate1) x (1/[U]2) x (1/[S]2) x ([U]1) x ([S]1)

Substituting the values from trials 1 and 2:

k = (1.18 x 10⁻² M/s) / (4.72 x 10⁻⁴ M/s) x (1/0.65 M) x (1/1 M) x (0.13 M) x (1 M)

k = 8.22 x 10⁻²M⁻² s⁻¹

Similarly, for trial 3:

[W] = 0.13 M

Rate = 2.95 x 10⁻¹ M/s

Using trial 1 as the reference trial again, calculate the rate constant (k) for the reaction with respect to U and S:

k = (Rate3/Rate1) x (1/[U]3) x (1/[S]3) x ([U]1) x ([S]1)

k = (2.95 x 10⁻¹ M/s) / (4.72 x 10⁻⁴ M/s) x (1/3.25 M) x (1/1 M) x (0.13 M) x (1 M)

k = 1.10 M⁻² s⁻¹

Therefore, the reaction rate with respect to U and S is given by the equation:

rate = k[U][S]

where k = 8.22 x 10⁻² M⁻² s⁻¹ and 1.10 M⁻² s⁻¹ for trials 2 and 3, respectively.

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To calculate the concentration resulting from the dilution of 500.0 mL of 4.267 M to a volume of 1.85 L, we can use the equation:
M1V1 = M2V2
where M1 is the initial concentration, V1 is the initial volume, M2 is the final concentration, and V2 is the final volume.

Plugging in the given values, we get:
4.267 M)(500.0 mL) = M2(1.85 L)
Simplifying this equation, we get:
M2 = (4.267 M)(500.0 mL) / (1.85 L)
M2 = 1.153 M
Therefore, the concentration resulting from the dilution is 1.153 M.
To calculate the concentration after dilution, you can use the dilution formula: C1V1 = C2V2, where C1 and V1 are the initial concentration and volume, and C2 and V2 are the final concentration and volume.
Given:
C1 = 4.267 M
V1 = 500.0 mL = 0.5 L (converted to liters)
V2 = 1.85 L
Now, find C2:

C2 = (C1 * V1) / V2
C2 = (4.267 M * 0.5 L) / 1.85 L
C2 ≈ 1.153 M
The concentration after dilution is approximately 1.153 M.

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To find the concentration resulting from the dilution, we can use the equation:
M1V1 = M2V2
where M1 is the initial concentration, V1 is the initial volume, M2 is the final concentration, and V2 is the final volume.

Plugging in the given values, we get:
(4.267 M)(500.0 mL) = M2(1.85 L)
Simplifying and converting units, we get:
M2 = (4.267 M)(500.0 mL) / (1.85 L)
M2 = 1.16 M
Therefore, the concentration resulting from the dilution is 1.16 M.
To find the concentration after dilution, you can use the dilution formula:
C1V1 = C2V2
where C1 is the initial concentration, V1 is the initial volume, C2 is the final concentration, and V2 is the final volume.
Given:
C1 = 4.267 M
V1 = 500.0 mL (0.5 L)
V2 = 1.85 L
Rearrange the formula to solve for C2:
C2 = (C1V1) / V2
Now, plug in the given values:
C2 = (4.267 M * 0.5 L) / 1.85 L
C2 ≈ 1.154 M
So, the resulting concentration after dilution is approximately 1.154 M.

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If heat is going into a system, it means that energy must have come out from the surroundings.

Heat is a form of energy transfer from a hotter object to a cooler one, and the direction of heat flow is always from the hotter object to the cooler one.

Therefore, if heat is entering a system, it must be gaining energy from its surroundings, which are at a lower temperature and therefore have less thermal energy.

Conversely, if heat is leaving a system, it means that energy is being transferred from the system to its surroundings, which are at a higher temperature and therefore have more thermal energy.

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Answer:

0.745 moles

Explanation:

We can use the ideal gas law, which relates the pressure (P), volume (V), number of moles (n), and temperature (T) of a gas:

P V = n R T

where R is the gas constant.

We can rearrange this equation to solve for n:

n = (P V) / (R T)

We can look up the value of the gas constant for units of atm L / (mol K). The value is approximately 0.08206 (atm L) / (mol K).

Substituting the given values, we get:

n = (1.71 atm) * (12.85 L) / (0.08206 (atm L) / (mol K) * (68.16 + 273.15) K)

where we have converted the temperature from Celsius to Kelvin by adding 273.15.

Evaluating this expression gives us:

n ≈ 0.745 mol

Therefore, there are approximately 0.745 moles of gas in the sample.

The reaction C₆H₅COOH(aq) + C₆H₅NH₂(aq) ⇌ C₆H₅COO⁻(aq) + C₆H₅NH₃⁺(aq) has an equilibrium constant of 0.3698.

The equilibrium constant (Kb) for the reaction can be calculated using the Ka and Kb values of the reactants and the equation:

Kw = Ka x Kb

where Kw = ion product constant of water (1.0 x 10⁻¹⁴ at 25°C).

Calculate the Kb value for aniline:

Kb = Kw/Ka = (1.0 x 10⁻¹⁴)/(4.3 x 10⁻¹⁰) = 2.33 x 10⁻⁵

Use the Kb value for aniline and the Ka value for benzoic acid to calculate the equilibrium constant (K) for the reaction:

K = Kb/Ka = (2.33 x 10⁻⁵)/(6.3 x 10⁻⁵) = 0.3698

Therefore, the equilibrium constant for the reaction C₆H₅COOH(aq) + C₆H₅NH₂(aq) ⇌ C₆H₅COO⁻(aq) + C₆H₅NH₃⁺(aq) is 0.3698.

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Answer: Ba + Co(CN)₃ → Ba(CN)₂ + Co₂O₃

Explanation:

Barium reacts with cobalt (III) cyanide to produce barium cyanide and cobalt (III) oxide according to the following chemical equation:

Ba + Co(CN)₃ → Ba(CN)₂ + Co₂O₃

It is a type of displacement reaction.

Answer:

Na < Al < Mg < S < Cl

Explanation:

Sodium has the smallest ionization energy because it wants to lose an electron as an alkali metal.

Aluminum has the second smallest because losing an electron would leave it with just a full s orbital.

Magnesium has the third smallest because although it's removing an electron from a full s orbital, it has less protons than sulfur and chlorine to keep the electron in the shell.

Sulfur has the second largest because it has more protons to pull at the electrons.

Chlorine has the largest ionization energy because it really wants an electron to fill the p orbital. Due to its number of protons, the element is also very small and it will be difficult to remove an electron.

The 210.00 g sample of the water with the initial temperature of the 29.0°C absorbs the 7,000.0 J of heat. The final temperature of the water is the 36.9  °C .

The mass of the water = 210 g

The initial temperature = 29.0 °C

The final temperature = ?

The heat energy = 7000 J

The specific heat capacity = 4.184 J/g  °C

The heat energy is expressed as :

Q = m c ΔT

Where,

The m is mass of water = 210 g

The c is specific heat of water = 4.184 J/g  °C

The  ΔT is change in temperature = final temperature - initial temperature

The  ΔT is change in temperature = T - 29.0 °C

7000 = 210 × 4.184 ( T - 29.0  )

7000 = 878.64 ( T - 29.0  )

( T - 29.0  ) = 7.966

T = 36.9  °C

The final temperature is 36.9  °C .

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Answer:

Explanation:

Structural Levels of the body:
a. Characteristics of Living Things: Living things exhibit certain characteristics such as the ability to grow, reproduce, respond to stimuli, and maintain homeostasis.
b. Cell Specialization: Cells in the body are specialized to perform different functions such as muscle cells for movement, nerve cells for communication, and red blood cells for carrying oxygen.

Skeletal and Muscular System:
a. The Skeletal System: The skeletal system provides support, protection, and movement for the body. It is composed of bones, cartilage, and ligaments.
b. The Muscular System: The muscular system allows movement of the body and helps in maintaining posture. It is composed of muscles, tendons, and ligaments.

Food and Nutrition:
a. Food Pyramid: The food pyramid is a guide for healthy eating that emphasizes the importance of a balanced diet including fruits, vegetables, grains, protein, and dairy.

Digestive System:
a. Enzymes: Enzymes are proteins that help in breaking down food into simpler forms for absorption in the body. They are produced by different organs in the digestive system such as the pancreas, stomach, and small intestine.

Circulatory System:
a. Circulation: The circulatory system is responsible for the transport of blood and nutrients throughout the body. It consists of the heart, blood vessels, and blood.
b. Heart: The heart is a muscular organ that pumps blood to different parts of the body.
c. Blood Vessels: Blood vessels include arteries, veins, and capillaries that transport blood to and from the heart.

Respiratory System:
a. Respiration: Respiration is the process of inhaling oxygen and exhaling carbon dioxide. The respiratory system is responsible for this process and includes the nose, trachea, bronchi, and lungs.

Charles's law of gases states that the density of an ideal gas is inversely proportional to its temperature at constant pressure.

The equation is as follows;

Va/Ta = Vb/Tb

Where;

0.67/362 = 1.12/Tb

0.00185Tb = 1.12

Tb = 605.41K

This temperature in °C is 605.41 - 273 = 332°C

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3.09 g is the theoretical mass of AlBr₃(s) produced.

The following dimensional analysis setup could be used to determine the theoretical mass of AlBr₃(s) (molecular mass = 266.69 g/mol) produced based on reacting 84.2 g of a 0.005 mol/L solution of Br₂(l) (density=1019 g/L) with excess Al(s) as described in the following equation:

3Br₂(l) + 2Al(s) → 2AIBr₃(s)

The dimensional analysis setup to calculate the mass of AlBr₃(s) produced is as follows:

84.2 g Br₂ (l) × (1 L solution / 1019 g Br₂(l)) × (0.005 mol Br₂(l) / 1 L solution) × (2 mol AlBr₃(s) / 3 mol Br₂(l)) × (266.60 g AlBr₃(s) / 1 mol AlBr₃(s)) = 3.09 g AlBr₃(s)

Therefore, the theoretical mass of AlBr₃(s) produced is 3.09 g.

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The total volume of the solution is 300 mL.

To calculate the total volume of the solution, we simply add the volumes of the ethanol and water together:

The total volume of solution = volume of ethanol + volume of water

= 100 mL + 200 mL

= 300 mL

Therefore, the total volume of the solution is 300 mL.

When two or more compounds are combined to form a solution, the substance present in the smallest amount is known as the solute, and the material present in the largest amount and which dissolves is known as the solvent.

The solute, which can be a solid, liquid, or gas, dissolves in the solvent, which is often a liquid.

In this scenario, 100 mL of ethanol and 200 mL of water are combined to make the solution. The solute in this solution is ethanol, a colorless liquid. Water is a polar solvent that can dissolve a wide range of compounds, including ethanol. When ethanol and water are combined, they dissolve and form a homogeneous mixture.

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Answer:

I used Chat GPT to answer the question here is the answer

Assuming the gas behaves ideally, the answer is (C) The average kinetic energy stays the same.

According to the ideal gas law, PV = nRT, where P is pressure, V is volume, n is the number of moles of gas, R is the ideal gas constant, and T is temperature. If the temperature is held constant, then nR is also constant. Therefore, for a given amount of gas, if V increases, P must decrease (and vice versa) to maintain the same value of PV.

The average kinetic energy of gas molecules is proportional to temperature, so if the temperature is held constant, the average kinetic energy of the gas molecules stays the same. The changes in volume and pressure only affect the density and distribution of the gas molecules, but not their average kinetic energy.

Answer:

1.8mol

Explanation:

this is the ans but in the option there is

not give

The intital common temperature of copper and water is 9.5°C, under the condition that 10.0 g of ice at -10.0C is placed into 300.0 g of water in a 200.0-g copper calorimeter.

Now to evaluate the initial common temperature of the water and copper calorimeter, we have to apply the formula
m1c1(Tk - Ti) + m2c2(Tk - Ti)
= mcopperccopper(Tk - Ti)

Here,
m1 = mass of water,
c1 =specific heat capacity of water,
m2 = mass of copper calorimeter,
c2 = specific heat capacity of copper calorimeter, mcopper = mass of copper block
ccopper =specific heat capacity of copper.

Here, this equation to evaluate Ti
Ti = (m1c1Tk + m2c2Tk - mcopperccopperTk - m1c1Ti - m2c2Ti) / (m1c1 + m2c2 - mcopperccopper)

Staging the given values into this equation
Ti = (-300.0 g)(4.18 J/g°C)(18.0°C) + (200.0 g)(0.385 J/g°C)(18.0°C) + (10.0 g)(0.385 J/g°C)(18.0°C) / [(300.0 g)(4.18 J/g°C) + (200.0 g)(0.385 J/g°C) - (10.0 g)(0.385 J/g°C)]
Ti = 9.5°C

Hence, the initial common temperature of the water and copper calorimeter was 9.5°C.
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The two true statements about a system are:

A) Systems are a group of objects analyzed as one unit.

B) Energy that moves across system boundaries is covered.

In general, a system can be defined as a group of objects or components that are connected or related to one another in some way, and that can be analyzed as a single unit. The components within a system can interact with each other, and with the environment outside of the system, in various ways. One of the key characteristics of a system is that it has a boundary or interface that separates it from the surrounding environment.

Energy, matter, or other quantities may flow across this boundary, and the interactions between the system and its environment can affect the behavior and properties of the system as a whole.

Overall, systems are a fundamental concept in many fields of science and engineering, and they can be used to model and analyze a wide range of phenomena, from physical systems like engines and circuits, to social and ecological systems like cities and ecosystems.

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a) We need 32.6 liters of [tex]O_2[/tex] at 41 °C and 0.307 atm to burn 8.57 L of [tex]C_2H_6[/tex]  at 41 °C and 0.307 atm

b) 18.5 liters of [tex]CO_2[/tex] will be produced at 41 °C and 0.307 atm.

To answer this question, we will use the ideal gas law, which relates pressure, volume, temperature, and number of moles of a gas. We will also use stoichiometry to relate the amount of ethane and oxygen consumed and the amount of carbon dioxide and water produced.

(a) To determine how many liters of [tex]O_2[/tex] are needed to burn 8.57 L of [tex]C_2H_6[/tex] , we first need to convert the volume of ethane to moles using the ideal gas law:
n([tex]C_2H_6[/tex] ) = PV/RT = (0.307 atm)(8.57 L)/(0.0821 L·atm/mol·K)(314 K) = 0.342 mol

From the balanced equation, we see that 2 moles of [tex]C_2H_6[/tex] react with 7 moles of [tex]O_2[/tex] . Therefore, the amount of [tex]O_2[/tex] needed is:
n([tex]O_2[/tex]) = (7/2) n([tex]C_2H_6[/tex]) = (7/2)(0.342 mol) = 1.20 mol

Now we can use the ideal gas law again to calculate the volume of [tex]O_2[/tex] needed:
V([tex]O_2[/tex] ) = n([tex]O_2[/tex])RT/P = (1.20 mol)(0.0821 L·atm/mol·K)(314 K)/(0.307 atm) = 32.6 L

Therefore, 32.6 liters of [tex]O_2[/tex] are needed to burn 8.57 L of [tex]C_2H_6[/tex]  at at 41 °C and 0.307 atm

(b) From the balanced equation, we see that 2 moles of [tex]C_2H_6[/tex] produce 4 moles of [tex]CO_2[/tex] . Therefore, the amount of [tex]CO_2[/tex] produced is:

n([tex]CO_2[/tex]) = 2 n([tex]C_2H_6[/tex]) = 2(0.342 mol) = 0.684 mol

V([tex]CO_2[/tex]) = n([tex]CO_2[/tex])RT/P = (0.684 mol)(0.0821 L·atm/mol·K)(314 K)/(0.307 atm) = 18.5 L

Therefore, 18.5 liters of [tex]CO_2[/tex] at 41 °C and 0.307 atm will be produced.

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If a gaseous sample has a density of 0.978 g/L at 30 °C and 615 torr,  the molar mass of the compound is 24.8 g/mol.

To calculate the molar mass of the compound, we first need to calculate the number of moles present in the gaseous sample using the ideal gas law:

PV = nRT

Where P is the pressure in atm, V is the volume in L, n is the number of moles, R is the gas constant (0.0821 L atm/mol K), and T is the temperature in Kelvin.

Converting the given pressure of 615 torr to atm:
615 torr = 0.811 atm
Converting the given temperature of 30°C to Kelvin:
30°C + 273.15 = 303.15 K

Rounding off to two significant figures, we get:
P = 0.81 atm
T = 303 K

Now, rearranging the ideal gas law equation to solve for n:
n = PV/RT

Substituting the given values:

n = (0.978 g/L) x (1 L) / (0.081 atm x 0.0821 L atm/mol K x 303 K)

n = 0.0394 mol

Next, we can calculate the molar mass of the compound using the formula:

molar mass = mass / mole
molar mass = (0.978 g/L) x (1 L) / 0.0394 mol
molar mass = 24.8 g/mol
Therefore, 24.8 g/mol is the molar mass of the compound.

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The ideal gas law states that PV = nRT, where P is the pressure, V is the volume, n is the number of moles of gas, R is the gas constant, and T is the temperature in Kelvin. Rearranging the equation, we get:

n = PV/RT

For the container of helium:

n = (201.6 kPa) x (3.9 L) / [(8.31 J/mol*K) x (298 K)] = 0.0688 mol

Now, using the same equation for the container of xenon:

n = (201.6 kPa) x (3.9 L) / [(8.31 J/mol*K) x (298 K)] = 0.0688 mol

Therefore, there are also 0.0688 moles of xenon gas present in the container.

Answer: 6.11 L

Explanation:

STP= 1atm, 273.15K

Molar mass of CO2=44.01g/mol so n= (12.0/44.01)

PV=nRT

V=(nRT)/P

V=((12.0/44.01)(0.0821)(273.15))/1

V=6.11L

Answer:

Ans: 8.9 NaCl

Explanation:

Ocean water contains 3.5 nacl by mass how much salt can be obtained from 254 g of seawater

Question: Ocean water contains 3.5% NaCl by mass. How much salt can be obtained from 254g of seawater?

Answer:

No,a pH of 5 is slightly acidic,not neutral. A pH of 7 is considered neutral

Answer:

A. setting standards and governing the cleanliness of water used by Americans

Explanation:

The responsibilities of the Environmental Protection Agency (EPA) is to make sure that:

1. The long-haired cat in the P generation is a purebred. This is because it has two copies of the recessive allele (hh) responsible for long hair.

2. The short-haired cat in the P generation is a hybrid. We know this because the offspring include both short-haired (Hh) and long-haired (hh) cats, indicating that the short-haired parent must have one dominant (H) and one recessive (h) allele (Hh).

3. If the short-haired cat in the P generation were purebred (HH), all offspring would have short hair, as they would inherit one dominant allele (H) from the short-haired parent and one recessive allele (h) from the long-haired parent, resulting in Hh offspring.

4. The black horse is a hybrid. Since the cross between a black horse (B...) and a brown horse (bb) produced a brown foal (bb), the black horse must carry one dominant allele (B) and one recessive allele (b) - making it a hybrid (Bb).

5. To determine whether a guinea pig with a smooth coat (S...) is a hybrid or a purebred, perform a test cross by mating it with a guinea pig with a rough coat (ss). If all offspring have smooth coats (Ss), the smooth-coated guinea pig is likely purebred (SS). If any offspring have a rough coat (ss), the smooth-coated guinea pig is a hybrid (Ss).

A dominant allele is a variant of a gene that expresses its trait even when only one copy is present in an individual's genotype. In other words, it masks the effect of another variant (allele) of the same gene when they are together.

A recessive allele is a variant of a gene that only expresses its trait when two copies are present in an individual's genotype. The trait associated with the recessive allele is "masked" by the presence of a dominant allele, and it will only be expressed if both copies of the gene are recessive.

The above answer is based on the question below;

In a test cross, the organism with the trait controlled by a dominant allele is crossed with an organism with a trait controlled by a recessive allele. If all offspring have the trait controlled by the dominant allele, then the parent is probably a purebred. If any offspring has the recessive strait, then the dominant parent is a hybrid.

1. Is the long-haired cat in the P generation a hybrid or a purebred? Explain your answer.

2. Is the short-haired cat in the P generation a hybrid or a purebred? Explain your answer.

3. If the short-haired cat in the P generation were purebred, what would you expect the offspring to look like?

4. In horses, the allele for a black coat (B) is dominant over the allele for a brown coat (b). A cross between a black horse and a brown horse produces a brown foal. Is the black horse a hybrid or a purebred? Explain.

5. In guinea pigs, the allele for a smooth coat (S) is dominant over the allele for a rough coat (s). Explain how you could find out whether a

guinea pig with a smooth coat is a hybrid or a purebred.

H= Short hair

h = Long hair

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To calculate the amount of aluminum produced from 9.00 tons of Al2O3, we need to use stoichiometry. First, we'll convert the mass of Al2O3 to moles, and then use the balanced chemical equation to find the moles of aluminum. Finally, we'll convert the moles of aluminum back to mass.

1. Convert mass of Al2O3 to moles:
9.00 tons = 9,000 kg
Molar mass of Al2O3 = (2 * 26.98) + (3 * 16.00) = 101.96 g/mol
9,000 kg * (1000 g/kg) = 9,000,000 g
moles of Al2O3 = 9,000,000 g / 101.96 g/mol = 88,258 moles

2. Use balanced chemical equation to find moles of aluminum:
The balanced chemical equation is:
2 Al2O3 → 4 Al + 3 O2
Using stoichiometry, we find the ratio of Al2O3 to Al is 2:4 or 1:2.
moles of Al = 88,258 moles Al2O3 * (2 moles Al / 1 mole Al2O3) = 176,516 moles

3. Convert moles of aluminum back to mass:
Molar mass of Al = 26.98 g/mol
Mass of Al = 176,516 moles * 26.98 g/mol = 4,762,984 g
Mass of Al in tons = 4,762,984 g / (1000 g/kg) / (1000 kg/ton) = 4.76 tons

So, 4.76 tons of aluminum can be produced from 9.00 tons of Al2O3.

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The number of mole of the gas lost, given that the pressure had dropped to 97.0 atm is 44.5 moles

First, we shall determine the initial mole of the gas. Details below:

P₁V₁ = n₁RT₁

107 × 109 = n₁ × 0.0821 × 298

Divide both sides by (0.0821 × 298)

n₁ = (107 × 109) / (0.0821 × 298)

n₁ = 476.7 mole

Next, w shall determine the final mole of the gas. Details below

P₂V₂ = n₂RT₂

97 × 109 = n₂ × 0.0821 × 298

Divide both sides by (0.0821 × 298)

n₂ = (97 × 109) / (0.0821 × 298)

n₂ = 432.2 mole

Finally, we shall determine the mole of the gas that was lost. Details below:

Mole lost = n₁ - n₂

Mole lost = 476.7 - 432.2

Mole of gas lost = 44.5 moles

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