14.2 The Ideal Gas Law

14.2 The Ideal Gas Law

Dr. McQueen

Multiple Choice

What is the variable for this number 122 K

• P

• T

• n

• V

Multiple Choice

What is the variable for this number 9.10 atm

• P

• T

• n

• V

Multiple Choice

What is the variable for this number 32^oC

• P

• T

• n

• V

Multiple Choice

What is the variable for this number 22.4 L

• P

• T

• n

• V

Multiple Choice

What is the variable for this factor, 0.1175 mol O₂?

• P

• T

• n

• V

Multiple Choice

What is the value and unit for R (The Ideal Gas Constant) given the following Unit of Pressure: kPa

• 8.314 J/K · mol

• 0.08206 L· atm/K · mol

• 62.36 L· mmHg/K · mol

Multiple Choice

What is the value and unit for R (The Ideal Gas Constant) given the following Unit of Pressure: mmHg

• 8.314 J/K · mol

• 0.08206 L· atm/K · mol

• 62.36 L· mmHg/K · mol

Multiple Choice

What is the value and unit for R (The Ideal Gas Constant) given the following Unit of Pressure: atm

• 8.314 J/K · mol

• 0.08206 L· atm/K · mol

• 62.36 L· mmHg/K · mol

Multiple Choice

A sample of carbon dioxide at STP is 0.50 L. How many grams of carbon dioxide do we have?

• 0.48 g

• 0.49 g

• 1.96 g

• 0.98 g

Multiple Choice

A 2.00 L sample of pure oxygen gas (O₂) is measured at STP. How many moles of oxygen is this?

• 24.4 mol

• 0.007 mol

• 1.44 mol

• 0.09 mol

Multiple Choice

What pressure, in atm, is exerted by 2.50 L of gas containing 1.35 mol at 320 K?

PV=nRT

• 14.19 atm

• 16.53 atm

• 18.42 atm

• 22.54 atm

Multiple Choice

Determine the Celsius temperature of 2.49 moles of gas contained in a 1.00-L vessel at a pressure of 143 kPa. (Remember that K = C + 273)

• -266 degrees C

• -622 degrees C

• 622 degrees C

• 266 degrees C

Multiple Choice

Determine the Kelvin temperature required for 0.0470 mol of gas to fill a balloon to 1.20 L under .998 atm pressure.

• 0 K

• 107 K

• 207 K

• 307 K

Multiple Choice

Calculate the volume that a 0.323-mol sample of a gas will occupy at 265 K and a pressure of 0.900 atm.

• 7.18 L

• 7.81 L

• 4.63 L

• 4.36 L

Multiple Choice

Determine the molar mass of a gas if 4.91 g of the gas occupies a volume of 2.85 L at a pressure of 812 mmHg and a temperature of 29°C. Which of the noble gases would be consistent with this data?

• 39.96, Yttrium

• 39.96, Argon

• 4.91, Argon

• .12288, K (Potassium)

Multiple Choice

What is the correct value for T in the following problem:

What pressure is required to contain 0.023 moles of nitrogen gas in a 4.2 L container at a temperature of 20⁰C?

• T = 0.23 K

• T = 293 K

• T = 4.2⁰C

• T = 20⁰C

Multiple Choice

Choose the correct set of variables to solve the following problem: What is the volume of a balloon if it contains 3.2 moles of helium at a temperature of 20⁰C and 1.2 atm?

• P = x (unknown), V = 3.2 mol, n = 1.2 atm, T = 20⁰C K

• P = 1.2 atm, V = 3.2 mol, n = 20⁰C, T = x (unknown)

• P = 293 K, V = 3.2 mol, n = x (unknown), T = 1.2 atm

• P = 1.2 atm, V = x (unknown), n = 3.2 mol, T = 293 K

Multiple Choice

Choose the correct set of variables to solve the following problem: What is the volume of a balloon if it contains 3.2 moles of helium at a temperature of 20⁰C and 1.2 atm?

• P = x (unknown), V = 3.2 mol, n = 1.2 atm, T = 20⁰C K

• P = 1.2 atm, V = 3.2 mol, n = 20⁰C, T = x (unknown)

• P = 293 K, V = 3.2 mol, n = x (unknown), T = 1.2 atm

• P = 1.2 atm, V = x (unknown), n = 3.2 mol, T = 293 K

Multiple Choice

Choose the correct set of variables to solve the following problem:

What pressure, in kPa, is required to contain 0.23 moles of nitrogen gas in a 4.2 L container at a temperature of 20⁰C?

• P = x (unknown), V = 4.2 L, n = 0.23 mol, R = 8.314 L·kPa/mol·K, T = 293 K

• P = 4.2 L, V = 0.23 mol, n = x (unknown), R = 8.314 L·kPa/mol·K, T = 20⁰C

• P = 0.23 mol, V = x (unknown), n = 293 K, R = 0.0821 L·atm/mol·K, T = 4.2 L

• P = 20⁰C, V = 4.2 L , n = 0.23 mol, R = 0.0821 L·atm/mol·K, T =x (unknown)

Drag and Drop

The ​

Placeholder

value is in the wrong unit. To convert from ​ ​

Placeholder

to ​

Placeholder

, we need to ​

Placeholder

273.15.

Drag these tiles and drop them in the correct blank above

temperature

Kelvin

add

pressure

subtract

Labelling

Place the following values in the correct spot

Drag labels to their correct position on the image

0.0129

1 mole

grams

80.07

mole

Multiple Choice

At STP, what is the volume of one mole of an ideal gas?

• 0.224 liters

• 2.24 liters

• 22.4 liters

• 224 liters

Multiple Choice

STP means standard temperature and pressure which is ___

• 0 °C and 0 kPa

• 0 °C and 100 kPa

• 100 °C and 0 kPa

• 100 °C and 100 kPa

Multiple Choice

Temperature, at the atomic level, is a measure of ___

• the number of gas particles

• the number of collisions of gas particles

• the average kinetic energy of particles

• the average mass of the particles

Multiple Choice

How many grams of helium are in a gas sample that has a volume of 500.0 mL at a pressure of 3.00 atm and a temperature of 298 K?

• 61.3 g

• 245 g

• 0.0613 g

• 0.245 g