A125 ml flask and stopper has a mass of 55.263g. a 25.00 ml sample of gasoline is pipetted into the flask. the final mass is 73.385 g. wha is the density of gasoline

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.