Practice quiz Ideal Gas law

What volume would a sample of gas have if the pressure is 8.2 atm, the number of gas particles is 2.0 moles, and the temperature is –73 degrees Celsius?

• 4.0

• 4.9

• 9.7

• 11.2

If 22.00 g of CO2 has a volume of 50.00 L and a pressure of 0.8210 atm. What must be the temperature of the gas. Molar mass of CO2 is 44 g/mol

• 1000

• 100

• 10

• 1

How many grams are in a sample of oxygen gas if the pressure is 1,520 mm Hg, the volume is 8,200 ml, and the temperature is –73 degrees Celsius?

(note Oxygen is diatomic and has a weight of 16 g/mol)

• 32

• 16

• 8

• 4

What volume would be occupied by 100. g of oxygen gas at a pressure of 1.50 atm and a temperature of 25 °C?

• 51

• 25

• 12

• 6

An air-filled balloon has a volume of 225 L at 0.940 atm and 25 °C. Soon after, the pressure changes to 0.990 atm and the temperature changes to 0 °C. What is the new volume of the balloon?

• 196

• 169

• 98

• 49