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KineticsMCQ

The thermal decomposition of NOCl is a second-order process, and the rate constant k for the disappeKinetics Chemistry Question

Question

The thermal decomposition of NOCl is a second-order process, and the rate constant k for the disappearance of NOCl at 160 °C is 0.0037 M-1 s-1. What is the concentration of NOCl, initially at 0.043 M, after 20.0 minutes at 160 °C?

A.

0.00051 M

B.

0.036 M

✓ Correct
C.

0.040 M

D.

0.042 M

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