What best describes the heat transfer when evaporation occurs?
a)endothermic
b)neither)
c)exothermic
d)both

What are transitions between a liquid and gas called? identify which way they are transitioning

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

What will most likely happen when two bromine atoms bond together?