Chem Review Kinetics, Thermo, Gas Laws

Between which points is the temperature of the substance remaining constant?

• A-B only

• A-B, C-D, and E-F

• B-C only

• B-C and D-E

The melting point of the sample is

• -60 ºC

• 20 ºC

• 60 ºC

• 100 ºC

A measure of the average kinetic energy of the particles in an object is called

• Heat

• Temperature

• Kinetic energy

• Enthalpy

Which letter indicates where water is in both the solid and liquid phase at the same time?

• A

• B

• C

• D

• E

In which region(s) of the heating curve would water be a liquid and a gas at the same time?

• A

• B

• C

• D

• E

The energy transferred between objects that are at different temperatures is called

• Heat

• Temperature

• Energy

• Friction

In a heating curve, diagonal lines indicate temperature is __________, while flat lines indicate temperature is __________.

• Constant, changing

• Changing, constant

At higher temperatures

• Particles in an object move slower

• Particles in an object move faster

• Particles move at the same speed as lower temperature

What letter on the diagram represents the substance only in the gas phase?

• A

• B

• C

• D

What letter on the diagram represents a substance only in the liquid?

• A

• B

• C

• D