Ideal

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.

The gas in the container is at a pressure of 3.00 Pa at 298 K. What would be the pressure in the container at 325 K? Choose the equation which is suitable to find the answer

• P1/T1 = P2/T2

• P1V1 = P2V2

• V1/T1 = V2/T2

• PV = nRT

SI unit used to record mass.

• cm³

• kilograms (kg)

• miliLiter (mL)

• grams(g)

An ideal fuel is cheap, readily available, easily combustible and easy to transport. It has high calorific value. It does not produce gases or residues that pollute the environment. Based on the above statements which of the following is closest to being an ideal fuel?

• Compressed Natural Gas (CNG)

• Kerosene

• Petrol

• Coal

Tags

NGSS.HS-ESS3-2

NGSS.HS-ETS1-3

PV=nRT

• Charles Law

• Boyle's Law

• Combined Gas Law

• Ideal Gas Law

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

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