2. identify the following as either a homogenous mixture or a heterogenous mixture? a. air b. kool-aid c. chocolate milk d. chocolate chip cookie e. lucky charms f. cottage cheese

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.