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Consider the combustion of ethylene, C2H4(g)+3O2(g)?2CO2(g)+2H2O(g). If the concentration of C2H4 is decreasing at the rate of 3.5×10?2M/s , what is the rate of change in the concentration of CO2?

What is the rate of change in the concentration of H2O?

The rate of decrease in N2H4 partial pressure in a closed reaction vessel from the reaction N2H4(g)+H2(g)?2NH3(g) is 80torr/h . What is the rate of change of NH3 partial pressure in the vessel?

What is the rate of change of total pressure in the vessel?

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