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Question 1

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A sample of 0.200 moles of NO and 0.300 moles of Cl2 are placed in a 1.00 liter vessel at 400 K. The reaction 2 NO + Cl2→2 NOCl occurs and after 5 seconds measurements show that the [Cl2] has decreased to 0.290 M . Calculate D [NOCl]/ D t for this time interval, in units of mol/L × s.


A) 0.0040
B) - 0.0020
C) 0.0010
D) 0.0020
E) - 0.0040

Correct Answer:

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