posted by steve on .
Consider the reaction: C3H8(g) + 5 O2(g) ® 3 CO2(g) + 4 H2O(g), where DH = – 531 kcal/mol. Which statement is true?
A.Heat is absorbed.
B.The bonds formed in the products are stronger than the bonds broken in the reactants.
C.The products are higher in energy than the reactants.
D.The reaction is endothermic.
Heat is given off and the reaction is exothermic.