Unit 2 Test Review - Gas Laws and Heat Exchange

What describes the motion of a Gas Molecule?

• Molecules are far apart

• Move in constant, random motion

• It will travel in a straight path

• All of the above

If pressure goes down in a container, what happens to volume when the temperature is held constant.

• Increase

• Decrease

If temperature goes down in a container, what happens to volume when the pressure is held constant.

• Increase

• Decrease

If you add gas particles to the container, what happens to the volume when the pressure and temperature is held constant.

• Increase

• Decrease

How would you convert 34^oC to Kelvin?

• K = ^oC + 273

• ^oC = K + 273

• K = ^oC - 273

• ^oC = K + 273

Which Gas Law does this graph represent?

• Boyle's Law

• Charles' Law

• Avagodro's Law

• Combined Gas Las

What Gas Law does this graph represent?

• Boyle's Law

• Charles' Law

• Avagadro's Law

• Combined Gas Law

If the pressure in a balloon remains constant what happens to the balloon's volume as the temperature of the air increases?

• the balloon shrivels up
• balloon expands
• balloon stays the same size
• balloon shrinks

Which best describes temperature?

• It is equal to the heat difference between two objects

• It is proportional to the total energy in an object

• It is proportional to the average kinetic energy of particles in an object

• It is equal to an object's specific heat capacity

Energy transferred from a higher temperature object to a lower temperature object is _______.

• heat

• kinetic energy

• thermal energy

• internal energy