7.93E-4 M s 1 . The average rate of formation of NO 2 over the same time period
ID: 814816 • Letter: 7
Question
7.93E-4 Ms1.
The average rate of formation of NO2 over the same time period is _______ M s-1.
For the decomposition of nitrosyl bromide at 10
For the gas phase decomposition of dinitrogen pentoxide at 335 K the average rate of disappearance of N2O5 over the time period from t = 0 s to t = 121 s is found to be 7.93E-4 Ms^1. The average rate of formation of NO2 over the same time period is _______ M s^-1. For the decomposition of nitrosyl bromide at 10 degree C the average rate of disappearance of NOBr over the time period from t = 0 s to t = 14 s is found to be 5.44E-3 M s^-1. The average rate of formation of Br2 over the same time period is _______ M s^-1.Explanation / Answer
When the rate relationship includes reactants, because their concentrations are decreasing we need to include a negative sign to cancel out this effect. This will make the rate positive (remember it is always positive!). In the case of products, their concentrations are increasing so we don