Question 1

The air pressure in a volleyball is 75 psi.What is this pressure in torr? (1 atm = 14.7 psi =101,325 Pa = 760 torr) ?

Accepted Answer

A)  520 torr
B)  562 torr
C)  3900 torr
D)  7600 torr
E)  75,000 torrF) B) and C)
G) A) and D)

Question 2

A(n)___________ is a device used to measure the pressure of gases other than the atmosphere.

Accepted Answer

The answer of A(n)___________ is a device used to measure...

Question 3

An aerosol can with a volume of 0.50 L has a bursting point of 2.6 atm.If the can contains 1.0 g
CO2 and is heated to 400°C,will it burst?

Accepted Answer

Question 4

What is the temperature in Celsius at 4 K,which is the normal boiling point of liquid helium?

Accepted Answer

A)  -269°C
B)  269°C
C)  277°C
D)  68.3°C
E)  -277°CF) D) and E)
G) C) and E)

Question 5

What is the definition of "gas"?

Accepted Answer

A "gas" is a substance in whic...

Question 6

"The volume of an ideal gas is directly proportional to its absolute temperature at constant pressure and number of moles" is a statement of ________________ law.

Accepted Answer

A)  Charles's
B)  Boyle's
C)  Dalton's
D)  Avogadro's
E)  Gay-Lussac'sF) B) and C)
G) D) and E)

Question 7

The pressure of sulfur dioxide in a container is 159 kPa.What is this pressure in atmospheres? (1 atm = 101,325 Pa = 760 torr) ?

Accepted Answer

A)  0.209 atm
B)  0.637 atm
C)  1.57 atm
D)  21.2 atm
E)  1.59 ×104 atmF) B) and C)
G) B) and D)

Question 8

_______ _______ is theoretically the lowest attainable temperature.

Accepted Answer

The answer of _______ _______ is theoretically the lowest attainable...

Question 9

A 2.50-L flask contains a mixture of methane (CH4) and propane (C3H8) at a pressure of 1.45 atm and 20°C.When this gas mixture is then burned in excess oxygen,8.60 g of carbon dioxide is formed.(The other product is water.) What is the mole fraction of methane in the original gas mixture?

Accepted Answer

A)  0.34
B)  1.00
C)  0.66
D)  0.85
E)  0.15F) A) and B)
G) A) and E)

Question 10

At a temperature of absolute zero,the volume of an ideal gas is zero.

Accepted Answer

A) True 
 B)False

Question 11

What is the density of SF6(g) at 27°C and 0.500 atm pressure? (R = 0.08206 L • atm/K • mol)

Accepted Answer

A)  3.38 × 10-3 g/L
B)  2.97 g/L
C)  22.4 g/L
D)  32.9 g/L
E)  3.38 kg/LF) A) and D)
G) B) and E)

Exam 10: Gases

"The volume of an ideal gas is directly proportional to its absolute temperature at constant pressure and number of moles" is a statement of ________________ law.

Correct Answer
verified

A 2.50-L flask contains a mixture of methane (CH₄) and propane (C₃H₈) at a pressure of 1.45 atm and 20°C.When this gas mixture is then burned in excess oxygen,8.60 g of carbon dioxide is formed.(The other product is water.) What is the mole fraction of methane in the original gas mixture?

Correct Answer
verified

A(n)___________ is a device used to measure the pressure of gases other than the atmosphere.

Correct Answer
verified

_ _ is theoretically the lowest attainable temperature.

Correct Answer
verified

The air pressure in a volleyball is 75 psi.What is this pressure in torr? (1 atm = 14.7 psi =101,325 Pa = 760 torr) ?

Correct Answer
verified

What is the density of SF₆(g) at 27°C and 0.500 atm pressure? (R = 0.08206 L • atm/K • mol)

Correct Answer
verified

What is the temperature in Celsius at 4 K,which is the normal boiling point of liquid helium?

Correct Answer
verified

What is the definition of "gas"?

Correct Answer
verified
A "gas" is a substance in whic...
View Answer

An aerosol can with a volume of 0.50 L has a bursting point of 2.6 atm.If the can contains 1.0 g CO₂ and is heated to 400°C,will it burst?

Correct Answer
verified

At a temperature of absolute zero,the volume of an ideal gas is zero.

Correct Answer
verified

The pressure of sulfur dioxide in a container is 159 kPa.What is this pressure in atmospheres? (1 atm = 101,325 Pa = 760 torr) ?

Correct Answer
verified

Exam 10: Gases

"The volume of an ideal gas is directly proportional to its absolute temperature at constant pressure and number of moles" is a statement of ________________ law.

Correct AnswerverifiedShow Answer

A 2.50-L flask contains a mixture of methane (CH4) and propane (C3H8) at a pressure of 1.45 atm and 20°C.When this gas mixture is then burned in excess oxygen,8.60 g of carbon dioxide is formed.(The other product is water.) What is the mole fraction of methane in the original gas mixture?

Correct AnswerverifiedShow Answer

A(n)___________ is a device used to measure the pressure of gases other than the atmosphere.

Correct AnswerverifiedShow Answer

_______ _______ is theoretically the lowest attainable temperature.

Correct AnswerverifiedShow Answer

The air pressure in a volleyball is 75 psi.What is this pressure in torr? (1 atm = 14.7 psi =101,325 Pa = 760 torr) ?

Correct AnswerverifiedShow Answer

What is the density of SF6(g) at 27°C and 0.500 atm pressure? (R = 0.08206 L • atm/K • mol)

Correct AnswerverifiedShow Answer

What is the temperature in Celsius at 4 K,which is the normal boiling point of liquid helium?

Correct AnswerverifiedShow Answer

What is the definition of "gas"?

Correct AnswerverifiedA "gas" is a substance in whic...View AnswerShow Answer

An aerosol can with a volume of 0.50 L has a bursting point of 2.6 atm.If the can contains 1.0 g CO2 and is heated to 400°C,will it burst?

Correct AnswerverifiedShow Answer

At a temperature of absolute zero,the volume of an ideal gas is zero.

Correct AnswerverifiedShow Answer

The pressure of sulfur dioxide in a container is 159 kPa.What is this pressure in atmospheres? (1 atm = 101,325 Pa = 760 torr) ?

Correct AnswerverifiedShow Answer

Correct Answer
verified

A 2.50-L flask contains a mixture of methane (CH₄) and propane (C₃H₈) at a pressure of 1.45 atm and 20°C.When this gas mixture is then burned in excess oxygen,8.60 g of carbon dioxide is formed.(The other product is water.) What is the mole fraction of methane in the original gas mixture?

Correct Answer
verified

Correct Answer
verified

_ _ is theoretically the lowest attainable temperature.

Correct Answer
verified

Correct Answer
verified

What is the density of SF₆(g) at 27°C and 0.500 atm pressure? (R = 0.08206 L • atm/K • mol)

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A "gas" is a substance in whic...
View Answer

An aerosol can with a volume of 0.50 L has a bursting point of 2.6 atm.If the can contains 1.0 g CO₂ and is heated to 400°C,will it burst?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified