Ideal Gas Law Practice

If the pressure exerted by a gas at a temperature of 298 K in a volume of 0.044 L is 3.81 atm, how many moles of gas are present? pV=nRT and R = 0.0821 L*atm/mol*K

• .002766 mole

• .0069 mol

• 2.766 mol

• 9.887 mol

Calculate the volume that a 0.323-mol sample of a gas will occupy at 265 K and a pressure of 0.900 atm. pV=nRT and R = 0.0821 L*atm/mol*K

• 7.18 L

• 7.81 L

• 4.63 L

• 4.36 L

Determine the Kelvin temperature required for 0.0470 mol of gas to fill a balloon to 1.20 L under .998 atm pressure. pV=nRT and R = 0.0821 L*atm/mol*K

• 0 K

• 107 K

• 207 K

• 307 K

Gases have...

• A definite shape and volume
• A definite shape but no definite volume
• No definite shape but a definite volume
• No definite shape or volume

What is the variable for this number 122 K

• P
• T
• n
• V

What is the variable for this number 1.5 mol

• P
• T
• n
• V

What is the variable for this number 4.1 mmHg

• P
• T
• n
• V

PV=nRT

• Charles Law
• Boyle's Law
• Combined Gas Law
• Ideal Gas Law

Which law helps us find the moles of gas in a sample?

• Charles Law
• Boyle's Law
• Combined Gas Law
• Ideal Gas Law

Determine the Celsius temperature of 2.49 moles of gas contained in a 1.00-L vessel at a pressure of 143 kPa. 

• -266 degrees C
• -622 degrees C
• 622 degrees C 
• 266 degrees C

Tags

NGSS.HS-PS1-5