37.For the following balanced equation, what is the rate of reaction with respect to [H2]. N2 (g) + 3H2(g) →→ 2NH3 (g) A. ????=−3Δ[?2]Δ?Rate=−3Δ[H2]Δt   B. ????=+3Δ[?2]Δ?Rate=+3Δ[H2]Δt  C. ????=−Δ[?2]3Δ?Rate=−Δ[H2]3Δt  D. ????=+Δ[?2]3Δ?Rate=+Δ[H2]3Δt  E. there is not enough information to answer the question

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