Express the rate of reaction in terms of the change in concentration of each of the reactants and products: a(g) + 2b(g) → c(g) rate = − δ[a] δt = − 2 1 δ[b] δt = δ[c] δt rate = − δ[a] δt = − δ[b] δt = δ[c] δt rate = − δ[a] δt = − 1 2 δ[b] δt = δ[c] δt when [b] is decreasing at 0.28 mol/l·s, how fast is [a] decreasing?

Answer :  

The correct expression for rate of reaction is:

The [A] decreasing at 0.14 mol/L.s

Explanation :

The given rate of reaction is,

The expression for rate of reaction :

So,

Now we have to calculate how fast is [A] decreasing.

Given:

Hence, the [A] decreasing at 0.14 mol/L.s

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