0 votes 0 votes The heat of combustion of methane, carbon monoxide and hydrogen are $P$, $Q$ and $R$ respectively. For the reaction below, $$CH_4+H_2O \rightarrow CO+3H_2$$ the heat of reaction is given by $P- Q-3R$ $Q+3R-P$ $P-Q-R$ $Q+R-P$ Others gatech-2021 + – go_editor asked Mar 1, 2021 • edited Mar 7, 2021 by soujanyareddy13 go_editor 1.4k points answer See all 0 reply