A 100 kg block of wood was nearly cut into two smaller pieces what is the total mass of all the smaller pieces put together 50 kg
100 kg
200 kg
1000 kg

The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.