Chemistry, 24.02.2021 01:00 magaaalimartinez

If you need to multiply the following reaction by 2 to be an intermediate reaction in a Hess's law problem, what would be the final value for the
enthalpy of reaction you use for this intermediate reaction?
H2 + 0.5 02 → H2O, AH = -286 kJ
O A. -286 kJ
O B. 572 k
O C. 286 kJ
O D. -572 k

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If you need to multiply the following reaction by 2 to be an intermediate reaction in a Hess's law...