Ideal Gas

What would you expect to happen if you decrease the volume of an ideal gas while keeping the temperature constant?

• the pressure will increase

• the pressure will decrease

What would you expect to happen if you decrease the pressure of an ideal gas while keeping the temperature constant?

• the volume will increase

• the volume will decrease

What would you expect to happen to an ideal gas if you were to increase the temperature while keeping the volume constant?

• the pressure will increase

• the pressure will decrease

Which of the following is not one of the assumptions of the kinetic molecular theory for ideal gases?

• The particles attract and then repel each other.

• The collisions between particles are elastic

• The particles are in constant random motion.

• The particle size is very small compared to the space between the particles.

Tags

NGSS.HS-PS3-2

• Gas constant

• Volume

• Temperature

• Pressure

In the ideal gas law, P = ​ (a)   , V = ​ (b)   , n = ​ (c)   , R = ​ (d)   , and T = ​ (e)  

• pressure

• volume

• moles

• gas law constant

• temperature

A sample of gas 2.5 L of a gas at 36°C has a pressure of 2.97 atm. How many moles are in this sample?

• 0.29 mol

• 3.42 mol

• 2.51 mol

Select the option that has all 5 variables in the correct units

Determine the Celsius temperature of 2.49 moles of gas contained in a 1.00-L vessel at a pressure of 143 kPa. Solve for T and then change you answer to Celcius

• -266 degrees C

• -622 degrees C

• 622 degrees C 

• 266 degrees C

A gas that has a pressure of 2 Pa and a volume of 10 m3. Choose the equation which should be used to find out the new volume if the pressure was changed to 1 Pa keeping the system at 300 K?

• P1/T1 = P2/T2

• P1V1 = P2V2

• V1/n1 = V2/n2

• PV = nRT