What is the average rate of consumption of N_2O_5 in the first 600 seconds? Your

Question

What is the average rate of consumption of N_2O_5 in the first 600 seconds? Your answer cannot be understood or graded More Information M/sec What is the average rate of consumption of N_2O_5 between 1000 and 2000 seconds? Your answer cannot be understood or graded. More Information M/sec Which of the following is true as the reaction proceeds to longer times? The rate slows down because the concentration of reactants, is larger. Rate speeds up because the concentration of reactants is smaller. Rate slows down because the concentration of product is larger. Rate slows down because the concentration of reactant is smaller. Rate speeds up because the concentration of product is larger.

Explanation / Answer

2N2O5 ----> 4NO2 + O2

a]

Average rate = Concentration at 600 - Inital concentration /stochiomtery coefficient * time

= 0.69 - 0 /2* 600 = 5.75*10^-4 M/s

b]

Average rate of consumption = Concentation at 2000 - Concentration at 1000 /2* 2000-1000

= 1.2*10^-4 M/s

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