How much energy is produced when 93.5 grams of oxygen reacts with 13.2 g hydrogen in the following reaction?
2 H2 + O --> 2 H2O
H = -572 kJ

Evaporation: this is when warmth from the sun causes water from oceans, lakes, streams, ice and soils to rise into the air and turn into water vapour (gas). water vapour droplets join together to make clouds! condensation: this is when water vapour in the air cools down and turns back into liquid water.

Elias is almost correct. he just got it backwards.the correct answer is that it demonstrates elastic potential energy transforming into kinetic energy.