Question 1

What is the pressure in atmospheres for a 0.250 mole sample of CO2 gas that is held at 35 ° C in a 2.00 Liter container?

Accepted Answer

A)   0.316 atm
B)   0.359 atm
C)   3.16 atm
D)   5.75 atm
E)   12.6 atmF) A) and C)
G) A) and D)

Question 2

Consider a mixture of gases consisting of 0.538 moles of He, 0.315 moles of Ne and 0.103 moles of Ar confined in a 7.00 L vessel at 25 ° C. What is the partial pressure of the He gas?

Accepted Answer

A)   0.151 atm
B)   0.158 atm
C)   0.180 atm
D)   1.88 atm
E)   5.94 atmF) A) and E)
G) B) and D)

Question 3

A certain automobile tire is inflated to 36.0 pounds per square inch (psi) . What pressure is this tire reported in mm of Hg?
(1 atm = 14.7 psi and 1 atm = 760 mm Hg)

Accepted Answer

A)   0.696 mm of Hg
B)   1.44 mm of Hg
C)   2.45 mm of Hg
D)   1.86×103 mm of Hg
E)   4.02×105 of HgF) C) and D)
G) B) and E)

Question 4

The "Haber" process for producing ammonia is shown as follows:
N2 (g)  + 3 H2 (g) →2 NH3 (g)  How many liters of gaseous ammonia, NH3, are produced from 20.0 moles of N2 gas at 500 ° C and 200 atm?

Accepted Answer

A)   1.90 L
B)   12.7 L
C)   20.0 L
D)   40.0 L
E)   41.1 LF) C) and D)
G) A) and D)

Question 5

What volume of H2 gas will be produced at 1.0 atm and 28 ° C if 10 g of Na are mixed with 100 g of H2O?
The other product of the reaction is NaOH.

Accepted Answer

A)   0.48 L
B)   5.4 L
C)   11 L
D)   2.7 L
E)   none of theseF) B) and C)
G) C) and D)

Question 6

A "Condensed phase" refers to what?

Accepted Answer

A)   gases only
B)   gases and liquids
C)   liquids only
D)   liquids and solids
E)   solids onlyF) A) and C)
G) A) and E)

Question 7

What is the pressure in atmospheres of 0.100 moles of O2 gas in a 2.0 Liter container at a temperature of 75 ° C?

Accepted Answer

A)   0.308 atm
B)   0.700 atm
C)   1.43 atm
D)   3.25 atm
E)   5.71 atmF) None of the above
G) D) and E)

Question 8

What is the root mean square (rms)  of H2 gas at 30 K?

Accepted Answer

A)   192 m/s
B)   351 m/s
C)   609 m/s
D)   1.93×103 m/s
E)   none of theseF) B) and D)
G) A) and C)

Question 9

What is the partial pressure of Helium gas in a mixture of gases that contains 0.50 moles of helium, 1.5 moles of Argon, and 2.5 moles of Neon?
The total pressure of the mixture is 1.6 atm.

Accepted Answer

A)   0.11 atm
B)   0.18 atm
C)   0.50 atm
D)   0.80 atm
E)   0.88 atmF) B) and D)
G) None of the above

Question 10

What volume of H2O gas is produced at 150 ° C and 1.00 atm of pressure from the reaction of 1.12 L of H2 and 1.12 L of O2, at the same pressure and temperature?

Accepted Answer

A)   1.12 L
B)   0.342 L
C)   0.560 L
D)   3.36 L
E)   none of theseF) A) and B)
G) A) and C)

Question 11

How many moles of chlorine, Cl2, gas is present if this gas is contained in a 9.22 L vessel at 1124 torr and 24 ° C?

Accepted Answer

A)   0.145 moles Cl2
B)   0.559 moles Cl2
C)   1.79 moles Cl2
D)   6.92 moles Cl2
E)   425 mole Cl2F) C) and D)
G) B) and C)

Question 12

A 550. mL sample of gas at 2.00 torr of pressure is compressed to a volume oF4.00 mL. What is the pressure on the compressed sample?

Accepted Answer

A)   2.09×105 atm
B)   2.75 atm
C)   0.362 atm
D)   4.78×10 - 5 atm
E)   none of theseF) D) and E)
G) None of the above

Question 13

Which of the following three states of matter have(has)  forces of repulsion that are far greater than their forces of attraction?
I. Solids
II. Liquids
III. Gases

Accepted Answer

A)   III only
B)   I and II
C)   I and III
D)   II and III
E)   All of theseF) C) and D)
G) A) and D)

Question 14

To account for the fact that the volume of a gas is directly proportional to its temperature in kelvins, it is necessary to postulate that:

Accepted Answer

A)   There is a distribution of molecular speeds between gas molecules
B)   The molecules have negligibly small volumes
C)   Molecules collide with each other
D)   On the average, molecules move faster at higher temperatures
E)   None of these explain this direct proportionalityF) B) and C)
G) C) and D)

Question 15

What is the density of SO2 gas at 211 ° C and 1.00 atm?

Accepted Answer

A)   1.33 g/L
B)   1.61 g/L
C)   1.88 g/L
D)   0.921 g/L
E)   none of theseF) All of the above
G) B) and D)

Question 16

A sample of H2 (g)  that occupies 4.8 L at 27 ° C and 1.0 atm pressure reacts with the stoichiometric amount of added Cl2 (g)  to make HCl gas. What is the volume of HCl formed, if the pressure and temperature are both constant?

Accepted Answer

A)   4.8 L
B)   2.4 L
C)   9.6 L
D)   7.5 L
E)   none of theseF) A) and B)
G) A) and C)

Question 17

Exhibit 6-1 Consider a mixture of gases that includes 0.50 g of He, 5.0 g of Ne and 20 g of Ar contained in a 5.0 L vessel at 25 ° C to answer the following question(s) . Molar Mass(He)  = 4.0 g/mol, Molar Mass(Ne)  = 20 g/mol, and Molar Mass(Ar)  = 40 g/mol
-Refer to Exhibit 6-1. What is the total pressure of this mixture of gases?

Accepted Answer

A)   0.36 atm
B)   0.61 atm
C)   1.2 atm
D)   2.4 atm
E)   4.3 atmF) A) and C)
G) A) and B)

Question 18

A sample of chlorine gas is confined in a 6.20 liter container at 202 torr and 27 ° C. How many grams of chlorine gas are present in the sample?
Molar Mass(Cl2)  = 70.90 g/mol

Accepted Answer

A)   0.0669 g Cl2
B)   0.743 g Cl2
C)   4.74 g Cl2
D)   50.8 g Cl2
E)   52.7 g Cl2F) A) and B)
G) None of the above

Question 19

A gas mixture contains O2, N2 and Ar at partial pressures of 125, 250 and 500 mm Hg respectively. If CO2 gas is added to the mixture until the total pressure reaches 1250 mm Hg, what is the partial pressure of the CO2 gas in mm Hg?

Accepted Answer

A)   375 mm Hg
B)   1125 mm Hg
C)   1625 mm Hg
D)   1875 mm Hg
E)   2125 mm HgF) B) and E)
G) None of the above

Question 20

What is the ratio of effusion rates for CO2 relative to CH4 (CO2 rate/CH4 rate) ?
Molar Mass(CO2)  = 44.01 g/mol and Molar Mass(CH4)  = 16.04 g/mol

Accepted Answer

A)   (CO2 rate/CH4 rate)  = 0.133
B)   (CO2 rate/CH4 rate)  = 0.365
C)   (CO2 rate/CH4 rate)  = 0.604
D)   (CO2 rate/CH4 rate)  = 1.66
E)   (CO2 rate/CH4 rate)  = 2.74F) A) and E)
G) B) and C)

Exam 6: The Gaseous State

A certain automobile tire is inflated to 36.0 pounds per square inch (psi) . What pressure is this tire reported in mm of Hg? (1 atm = 14.7 psi and 1 atm = 760 mm Hg)

Correct Answer
verified

What volume of H₂O gas is produced at 150 ° C and 1.00 atm of pressure from the reaction of 1.12 L of H₂ and 1.12 L of O₂, at the same pressure and temperature?

Correct Answer
verified

A 550. mL sample of gas at 2.00 torr of pressure is compressed to a volume oF₄.00 mL. What is the pressure on the compressed sample?

Correct Answer
verified

Correct Answer
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What volume of H₂ gas will be produced at 1.0 atm and 28 ° C if 10 g of Na are mixed with 100 g of H₂O? The other product of the reaction is NaOH.

Correct Answer
verified

What is the partial pressure of Helium gas in a mixture of gases that contains 0.50 moles of helium, 1.5 moles of Argon, and 2.5 moles of Neon? The total pressure of the mixture is 1.6 atm.

Correct Answer
verified

To account for the fact that the volume of a gas is directly proportional to its temperature in kelvins, it is necessary to postulate that:

Correct Answer
verified

How many moles of chlorine, Cl₂, gas is present if this gas is contained in a 9.22 L vessel at 1124 torr and 24 ° C?

Correct Answer
verified

What is the root mean square (rms) of H₂ gas at 30 K?

Correct Answer
verified

What is the ratio of effusion rates for CO₂ relative to CH₄ (CO₂ rate/CH₄ rate) ? Molar Mass(CO₂) = 44.01 g/mol and Molar Mass(CH₄) = 16.04 g/mol

Correct Answer
verified

A sample of chlorine gas is confined in a 6.20 liter container at 202 torr and 27 ° C. How many grams of chlorine gas are present in the sample? Molar Mass(Cl₂) = 70.90 g/mol

Correct Answer
verified

The "Haber" process for producing ammonia is shown as follows: N₂ (g) + 3 H₂ (g) →2 NH₃ (g) How many liters of gaseous ammonia, NH₃, are produced from 20.0 moles of N₂ gas at 500 ° C and 200 atm?

Correct Answer
verified

Consider a mixture of gases consisting of 0.538 moles of He, 0.315 moles of Ne and 0.103 moles of Ar confined in a 7.00 L vessel at 25 ° C. What is the partial pressure of the He gas?

Correct Answer
verified

Which of the following three states of matter have(has) forces of repulsion that are far greater than their forces of attraction? I. Solids II. Liquids III. Gases

Correct Answer
verified

A gas mixture contains O₂, N₂ and Ar at partial pressures of 125, 250 and 500 mm Hg respectively. If CO₂ gas is added to the mixture until the total pressure reaches 1250 mm Hg, what is the partial pressure of the CO₂ gas in mm Hg?

Correct Answer
verified

A "Condensed phase" refers to what?

Correct Answer
verified

What is the density of SO₂ gas at 211 ° C and 1.00 atm?

Correct Answer
verified

What is the pressure in atmospheres of 0.100 moles of O₂ gas in a 2.0 Liter container at a temperature of 75 ° C?

Correct Answer
verified

A sample of H₂ (g) that occupies 4.8 L at 27 ° C and 1.0 atm pressure reacts with the stoichiometric amount of added Cl₂ (g) to make HCl gas. What is the volume of HCl formed, if the pressure and temperature are both constant?

Correct Answer
verified

What is the pressure in atmospheres for a 0.250 mole sample of CO₂ gas that is held at 35 ° C in a 2.00 Liter container?

Correct Answer
verified

Exam 6: The Gaseous State

A certain automobile tire is inflated to 36.0 pounds per square inch (psi) . What pressure is this tire reported in mm of Hg? (1 atm = 14.7 psi and 1 atm = 760 mm Hg)

Correct AnswerverifiedShow Answer

What volume of H2O gas is produced at 150 ° C and 1.00 atm of pressure from the reaction of 1.12 L of H2 and 1.12 L of O2, at the same pressure and temperature?

Correct AnswerverifiedShow Answer

A 550. mL sample of gas at 2.00 torr of pressure is compressed to a volume oF4.00 mL. What is the pressure on the compressed sample?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

What volume of H2 gas will be produced at 1.0 atm and 28 ° C if 10 g of Na are mixed with 100 g of H2O? The other product of the reaction is NaOH.

Correct AnswerverifiedShow Answer

What is the partial pressure of Helium gas in a mixture of gases that contains 0.50 moles of helium, 1.5 moles of Argon, and 2.5 moles of Neon? The total pressure of the mixture is 1.6 atm.

Correct AnswerverifiedShow Answer

To account for the fact that the volume of a gas is directly proportional to its temperature in kelvins, it is necessary to postulate that:

Correct AnswerverifiedShow Answer

How many moles of chlorine, Cl2, gas is present if this gas is contained in a 9.22 L vessel at 1124 torr and 24 ° C?

Correct AnswerverifiedShow Answer

What is the root mean square (rms) of H2 gas at 30 K?

Correct AnswerverifiedShow Answer

What is the ratio of effusion rates for CO2 relative to CH4 (CO2 rate/CH4 rate) ? Molar Mass(CO2) = 44.01 g/mol and Molar Mass(CH4) = 16.04 g/mol

Correct AnswerverifiedShow Answer

A sample of chlorine gas is confined in a 6.20 liter container at 202 torr and 27 ° C. How many grams of chlorine gas are present in the sample? Molar Mass(Cl2) = 70.90 g/mol

Correct AnswerverifiedShow Answer

The "Haber" process for producing ammonia is shown as follows: N2 (g) + 3 H2 (g) →2 NH3 (g) How many liters of gaseous ammonia, NH3, are produced from 20.0 moles of N2 gas at 500 ° C and 200 atm?

Correct AnswerverifiedShow Answer

Consider a mixture of gases consisting of 0.538 moles of He, 0.315 moles of Ne and 0.103 moles of Ar confined in a 7.00 L vessel at 25 ° C. What is the partial pressure of the He gas?

Correct AnswerverifiedShow Answer

Which of the following three states of matter have(has) forces of repulsion that are far greater than their forces of attraction? I. Solids II. Liquids III. Gases

Correct AnswerverifiedShow Answer

A gas mixture contains O2, N2 and Ar at partial pressures of 125, 250 and 500 mm Hg respectively. If CO2 gas is added to the mixture until the total pressure reaches 1250 mm Hg, what is the partial pressure of the CO2 gas in mm Hg?

Correct AnswerverifiedShow Answer

A "Condensed phase" refers to what?

Correct AnswerverifiedShow Answer

What is the density of SO2 gas at 211 ° C and 1.00 atm?

Correct AnswerverifiedShow Answer

What is the pressure in atmospheres of 0.100 moles of O2 gas in a 2.0 Liter container at a temperature of 75 ° C?

Correct AnswerverifiedShow Answer

A sample of H2 (g) that occupies 4.8 L at 27 ° C and 1.0 atm pressure reacts with the stoichiometric amount of added Cl2 (g) to make HCl gas. What is the volume of HCl formed, if the pressure and temperature are both constant?

Correct AnswerverifiedShow Answer

What is the pressure in atmospheres for a 0.250 mole sample of CO2 gas that is held at 35 ° C in a 2.00 Liter container?

Correct AnswerverifiedShow Answer

Correct Answer
verified

What volume of H₂O gas is produced at 150 ° C and 1.00 atm of pressure from the reaction of 1.12 L of H₂ and 1.12 L of O₂, at the same pressure and temperature?

Correct Answer
verified

A 550. mL sample of gas at 2.00 torr of pressure is compressed to a volume oF₄.00 mL. What is the pressure on the compressed sample?

Correct Answer
verified

Correct Answer
verified

What volume of H₂ gas will be produced at 1.0 atm and 28 ° C if 10 g of Na are mixed with 100 g of H₂O? The other product of the reaction is NaOH.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

How many moles of chlorine, Cl₂, gas is present if this gas is contained in a 9.22 L vessel at 1124 torr and 24 ° C?

Correct Answer
verified

What is the root mean square (rms) of H₂ gas at 30 K?

Correct Answer
verified

What is the ratio of effusion rates for CO₂ relative to CH₄ (CO₂ rate/CH₄ rate) ? Molar Mass(CO₂) = 44.01 g/mol and Molar Mass(CH₄) = 16.04 g/mol

Correct Answer
verified

A sample of chlorine gas is confined in a 6.20 liter container at 202 torr and 27 ° C. How many grams of chlorine gas are present in the sample? Molar Mass(Cl₂) = 70.90 g/mol

Correct Answer
verified

The "Haber" process for producing ammonia is shown as follows: N₂ (g) + 3 H₂ (g) →2 NH₃ (g) How many liters of gaseous ammonia, NH₃, are produced from 20.0 moles of N₂ gas at 500 ° C and 200 atm?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

A gas mixture contains O₂, N₂ and Ar at partial pressures of 125, 250 and 500 mm Hg respectively. If CO₂ gas is added to the mixture until the total pressure reaches 1250 mm Hg, what is the partial pressure of the CO₂ gas in mm Hg?

Correct Answer
verified

Correct Answer
verified

What is the density of SO₂ gas at 211 ° C and 1.00 atm?

Correct Answer
verified

What is the pressure in atmospheres of 0.100 moles of O₂ gas in a 2.0 Liter container at a temperature of 75 ° C?

Correct Answer
verified

A sample of H₂ (g) that occupies 4.8 L at 27 ° C and 1.0 atm pressure reacts with the stoichiometric amount of added Cl₂ (g) to make HCl gas. What is the volume of HCl formed, if the pressure and temperature are both constant?

Correct Answer
verified

What is the pressure in atmospheres for a 0.250 mole sample of CO₂ gas that is held at 35 ° C in a 2.00 Liter container?

Correct Answer
verified