Exam 2 (Topics 3-5)

Molar mass is

• the mass of an element

• the mass of one mole of an element and the atomic mass in grams

• how much a compound weighs

• is used to convert moles to grams

Oxidation is

• loss of protons

• gain of elections

• loss of electrons

Reduction is

• the gain of electrons

• the loss of electrons

• the gain of protons

which of the following is an example of potential energy?

• flowing water

• sandwich on a table

• a bird flying

• a train

which is an example of kinetic energy

• a book on a table

• a parked car

• a sandwich on a table

• the flame of a candle

What is specific heat?

• the heat of an object or substance

• the amount of heat produced by a substance

• the amount of heat that is needed to raise 1g of a substance by 1 ºC

• the heat required to melt a substance

What are these phase changes called:

solid to liquid,

liquid to solid

• melting, condensation

• vaporization, deposition

• condensation, freezing

• melting, freezing

What are these phase changes called:

Liquid to gas,

Gas to liquid

• vaporization, condensation

• sublimation, condensation

• vaporization, deposition

• melting, freezing

What are these phase changes called:

Solid to gas,

Gas to solid

• vaporization, deposition

• melting, condenation

• sublimation, vaporization

• sublimation, deposition

C-C

• alkene

• alkaline

• alkyne

• alkane