How much heat is produced when 12.4 grams of P4 burn

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

What are the 4 phases of matter in order of increasing engery content?

Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.