6. Given the following balanced equation, determine the rate of reaction with re

Question

6. Given the following balanced equation, determine the rate of reaction with respect to [2 N2(g) + 3 H2(g) 2 NH2(g) 14 a. Rate-+ 3 At b Rate 3 At 341H21 [H2] c. Rate=- 34[H2 d. Rate=+- e. It is not possible to determine without more information. 7. Consider the reaction X Y + Z Which of the following is a possible rate law? a. Rate k[X b. Rate- kYJ[Z] c. Rate k[XIY d. Rate k[Y] e. Rate= k[Z] 8. What is the overall order of the following reaction, given the rate law? Rate = k[X]2[Y] X+2Y42 a. 3rd order b. Ist order c. 5th order d. 2nd order e. 6th order 9. What are the units of k for a second order reaction? a. SM12 b. I/Ms c. MPs d. M's e. Ms

Explanation / Answer

6. N2(g) + 3H2(g) --> 2NH2(g)

Rate = -d[N2]/dt = -1/3d[H2]/dt = +1/2d[NH2]/dt

Option B.

7. X---> Y + Z

Rate = k[X]

Option a

8. X + 2Y --> 4Z

Rate = [X]2[Y]

Order = 2+1 = 3

Option a

9. For a second order reaction, unit of k = 1/Ms

Option B.

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