The rate of disappearance of HCl was measured for the following reaction:
CH3OH(aq) + HCl(aq) 
CH3Cl(aq) + H2O(l)
The following data were collected:
(a) Calculate the average rate of reaction, in M/s, for the time interval between each measurement. (b) Calculate the average rate of reaction for the entire time for the data from t = 0.0 min to t = 430.0 min. (c) Which is greater, the average rate between t = 54.0 and t = 215.0 min, or between t = 107.0 and t = 430.0 min? (d) Graph [HCl] versus time and determine the instantaneous rates in M/min and M/s at t = 75.0 min and t = 250 min.
The rate of disappearance of HCl was measured for the following reaction:
CH3OH(aq) + HCl(aq) CH3Cl(aq) + H2O(l)
The following data were collected:
(a) Calculate the average rate of reaction, in M/s, for the time interval between each measurement. (b) Calculate the average rate of reaction for the entire time for the data from t = 0.0 min to t = 430.0 min. (c) Which is greater, the average rate between t = 54.0 and t = 215.0 min, or between t = 107.0 and t = 430.0 min? (d) Graph [HCl] versus time and determine the instantaneous rates in M/min and M/s at t = 75.0 min and t = 250 min.
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Related questions
Consider the following hypothetical aqueous reaction: A(aq)รขยยB(aq). A flask is charged with 0.065 mol of A in a total volume of 100.0 mL. The following data are collected:
| Time (min) | 0 | 10 | 20 | 30 | 40 |
| Moles of A | 0.065 | 0.051 | 0.042 | 0.036 | 0.031 |
Part A
Calculate the average rate of disappearance of A between t= 30 min and t= 40 min, in units of M/s.
Express your answer using two significant figures.
Part B
Between t= 10 min and t= 30 min, what is the average rate of appearance of B in units of M/s? Assume that the volume of the solution is constant.
Express your answer using two significant figures.
