Chemistry: The Central Science by unknow

Author:unknow
Language: eng
Format: epub, pdf
ISBN: 9780321705075
Publisher: Prentice Hall
Published: 2006-01-02T00:00:00+00:00

14.26 (a) Consider the combustion of ethylene, C2H4(g) + 3 O2(g) → 2 CO2(g) + 2 H2O(g). If the concentration of C2H4 is decreasing at the rate of 0.036 M/s, what are the rates of change in the concentrations of CO2 and H2O? (b) The rate of decrease in N2H4 partial pressure in a closed reaction vessel from the reaction N2H4(g) + H2(g) → 2 NH3(g) is 74 torr per hour. What are the rates of change of NH3 partial pressure and total pressure in the vessel?

RATE LAWS (section 14.3)

14.27 A reaction A + B → C obeys the following rate law: Rate = k [B]2. (a) If [A] is doubled, how will the rate change? Will the rate constant change? Explain. (b) What are the reaction orders for A and B? What is the overall reaction order? (c) What are the units of the rate constant?

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