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Average Rate of Reaction

Q. For the gas phase decomposition of hydrogen peroxide at 400 °C 2 H2O2 → 2 H2O + O2 the following data have been obtained: The average rate of disappearance of H2O2 over the time period from t = 10.0 s to t = 20.0 s is _____ M s^-1.

Solved • Feb 12, 2020

Average Rate of Reaction

Q. For the gas phase decomposition of phosphine at 120 °C 4 PH3(g) → P4(g) + 6 H2(g) the following data have been obtained: The average rate of disappearance of PH3 over the time period from t = 0 s to t = 22.0 s is _____ M s^-1.

Solved • Feb 12, 2020

Average Rate of Reaction

Q. Which of the following is not a valid expression for the overall rate of the reaction below?

Solved • Feb 11, 2020

Average Rate of Reaction

Q. You study the rate of a reaction, measuring both the concentration of the reactant and the concentration of the product as a function of time, and obtain the following results: (Figure 1) Which chemical equation is consistent with these data? a) A → 2 B b) B → A c) A → B d) B → 2 A

Solved • Feb 10, 2020

Average Rate of Reaction

Q. Consider the combustion of H2 (g): 2H2(g) + O2 (g) → 2H2O(g). If hydrogen is burning at the rate of 0.46 mol/s, what is the rate of formation of water vapor?

Solved • Feb 10, 2020

Average Rate of Reaction

Q. Consider the combustion of H2 (g): 2H2(g) + O2 (g) → 2H2O(g). If hydrogen is burning at the rate of 0.46 mol/s, what is the rate of consumption of oxygen?

Solved • Feb 10, 2020

Average Rate of Reaction

Q. Consider the reaction 5Br^-(aq) + BrO3^-(aq) + 6H^+(aq) → 3Br2(aq) + 3H2O(l) The average rate of consumption of Br^- is 2.06x10^-4 M/s over the first two minutes. What is the average rate of formation of Br2 during the same time interval? Express your answer with the appropriate units.

Solved • Feb 10, 2020