I need help on this problem which you dont have it solved yetif you could help a

Question

I need help on this problem which you dont have it solved yetif you could help any that would be great- The first order rate constant for the decomposistion of N2O5given below, at 70degrees Celsius is 6,82x10^-3. Suppose we statewith 0.0450 mol of N205 in a volume of 5.0 Liters    2N2O5-->4NO2+O2 a) how many moles of N2O5 will remain after 2.5 min? b) how many minutes will it take for the quantity of N2O5 todrop to 0.005 mol? c)what is the half life of N2O5 at 70 degrees Celsius? I need help on this problem which you dont have it solved yetif you could help any that would be great- The first order rate constant for the decomposistion of N2O5given below, at 70degrees Celsius is 6,82x10^-3. Suppose we statewith 0.0450 mol of N205 in a volume of 5.0 Liters    2N2O5-->4NO2+O2 a) how many moles of N2O5 will remain after 2.5 min? b) how many minutes will it take for the quantity of N2O5 todrop to 0.005 mol? c)what is the half life of N2O5 at 70 degrees Celsius?

Explanation / Answer

Thanks for the help but it says its wrong, thats exactly whatI did too but the answer for a) 0.0163 for b) 5.37 and for c) its 1.69 ????

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