Which of the following is true for the reaction below? CO2(g) + 393.5 kJ C(s) + O2(g) It is endothermic and the ∆H = +393.5 kJ. It is endothermic and the ∆H = -393.5 kJ. It is exothermic and the ∆H = +393.5 kJ. It is exothermic and the ∆H= -393.5 kJ. This reaction will not occur.
(2) Answers
It is endothermic and the ∆H = +393.5 kJ.
Since energy is given to the reactant side, the reaction is endothermic reaction and it is given by ΔH = +393.5 kJ Therefore option A is correct.
Add answer
Sign in
Sign up