Since the specific heat of water is 4.18 J/g.°C, how much did the temperature increase if 1200g of water absorbed 80,256J of heat? Answer should be a whole number

Modern weaponry has increased the number of deaths in wars and violent conflicts.

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.