The steel reaction vessel of a 75.0 ml bomb calorimeter is charged with oxygen gas to a pressure of 145 atm at 22.C. The number of moles of oxygen in the reaction vessel is

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.