## Question

###### Please help solve (b) Consider the reaction A+B ---->C. If the rate law for this reaction...

please help solve

(b) Consider the reaction A+B ---->C. If the rate law for this reaction is third order in A and first order in B, (i) 7pts. Write the differential rate law equation. (ii) 8pts. When [A] = 0.0623 M and [B] = 0.0525 M the observed rate is 7.05 x 104 moles/(L s), what is the value of the rate constant and what are its units?

## Answers

W A + B - C differential rate Law - d[A] = - d[B] = at at equation K [A] [B] Ke Rate constant order of reaction wirt A = 3 order of reaction wert B=1 10. => [A] = 0.0623 M limoll l = 1M) [B] = 0.0525 M Rate = 7005 810-4 mole / CLS) = 7:05810-4 MS- Rate = K [A] [B]1 7:0 5 X10-4 M STK (0.0623M)? (0.0525M) K = 7.05X10-4 Mgr . (0.0623M13 (0.0525M) 55.5 M-331 Answer Please rate

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