If a mechanical wave's amplitude quadruples, the energy of the wave…. A) increases by 4 times
B) increases by 16 times
C) decreases by 4 times
D) decreases by 16 times

The amount of heat required to change liquid water to vapor at its boiling temperature is 2256 kj/kg. the amount of heat required to change liquid mercury to its vapor state at its boiling temperature is 295 kj/kg. one kg of each substance is currently at its boiling point. how will the amount of thermal energy required to change each substance from a liquid to a gas differ?