Solved: Change of Concentration with Time
Chapter 6, Problem 50E(choose chapter or problem)
Problem 50E
Change of Concentration with Time (Section)
Consider the data presented in Exercise. (a) Determine whether the reaction is first order or second order. (b) What is the rate constant? (c) What is the half-life?
Reaction Rates (Sections)
A flask is charged with 0.100 mol of A and allowed to react to form B according to the hypothetical gas-phase reaction A(g)→B(g). The following data are collected:
(a) Calculate the number of moles of B at each time in the table, assuming that A is cleanly converted to B with no intermediates. (b) Calculate the average rate of disappearance of A for each 40-s interval in units of mol/s. (c) Which of the following would be needed to calculate the rate in units of concentration per time: (i) the pressure of the gas at each time, (ii) the volume of the reaction flask, (iii) the temperature, or (iv) the molecular weight of A?
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