Study the chemical reaction.

A + B ⟶ C + D

A scientist studying this reaction states the reaction is first order with regard to A and zeroth order with regard to B.

What is the rate law for this reaction?

Rate = K [A]

Rate = K [B]

Rate = K [A]^2[B]

Rate = K [A][B]

Can someone walk me through this problem? I'm not sure where to start.

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  1. rate = k(A)^x(B)^y
    The problem tells you that the reaction is 1st order with respect to A and zero order with respect to B. The order number is the exponent so x = 1 and y = 0
    rate = k(A)^1(B)^0 = k(A)(1) = k(A)

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