In part E, you’ll use your answers from parts B, C, and D to find the average density of each type of penny. Recall that density is mass divided by volume: D = . Question 1 Calculate the average density of a penny (in g/mL) made before 1982. Show your work.

Freezing 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.