Given the equation c3h଼ + → + and that the enthalpies of formation for = −241.8 kj/mol, = −393.5 kj/mol, and the enthalpy of combustion for the reaction is −2220.1 kj/mol, what is the heat of formation for propane?

Which of the following is true about the products formed during photosynthesis? (5 points) select one: a. they have the same mass as the mass of reactants. b. they are the same set of compounds as the reactants. c. they have more mass than the mass of reactants. d. they are chemically the same as the reactants.