Nitric oxide reacts with \( \text{H}_2 \) according to the reaction: \[ 2\text{NO}_{\text{(g)}} + 2\text{H}_2{}_{\text{(g)}} \rightarrow \text{N}_2{}_{\text{(g)}} + 2\text{H}_2\text{O}_{\text{(g)}} \] Identify the correct relation for the disappearance of reactants and appearance of products.