Question

5.9
The reaction 2H, (g) + 2NO (g) → 2H20 (g)
+ N2 (g) is first order in H, and second order in
NO. The rate constant of the reaction at a
certain temperature is 0.42 M-25-!. Calculate the
rate when [H] = 0.015 M and [NO] = 0.025 M.
[3.94x10-6 M/s]​

Answer 1

Answer:

ANSWER

2H

2

+2NO→2H

2

O+N

2

−

dt

dR

=k[H

2

][NO]

2

K=42M

−2

S

−1

[H

2

]=0.015M [NO]=0.025M

−

dt

dR

=42×0.015×0.025=0.01575 MS

−1