A flask is charged with 0.120 mol of A and allowed to react to form B according to the following hypothetical gas-phase reaction. A(g) B(g) The following data are collected. times 0 40 80 120 160 moles of A .120 0.072 0.046 0.028 0.015 (a) Calculate the number of moles of B at each time in the table. 0 s 40s 80s 120s 160s (b) Calculate the average rate of disappearance of A for each 40 s interval, in units of mol/s. 0 - 40 s 40 - 80 s 80 - 120 s 120 - 160 mol/s
A flask is charged with 0.120 mol of A and allowed to react to form B according to the following hypothetical gas-phase reaction. A(g) B(g) The following data are collected. times 0 40 80 120 160 moles of A .120 0.072 0.046 0.028 0.015 (a) Calculate the number of moles of B at each time in the table. 0 s 40s 80s 120s 160s (b) Calculate the average rate of disappearance of A for each 40 s interval, in units of mol/s. 0 - 40 s 40 - 80 s 80 - 120 s 120 - 160 mol/s
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
A flask is charged with 0.120 mol of A and allowed to react to form B according to the following hypothetical gas-phase reaction.
A(g) B(g)
The following data are collected.
times 0 40 80 120 160
moles of A .120 0.072 0.046 0.028 0.015
(a) Calculate the number of moles of B at each time in the table.
0 s
40s
80s
120s
160s
(b) Calculate the average rate of disappearance of A for each 40 s interval, in units of mol/s.
0 - 40 s
40 - 80 s
80 - 120 s
120 - 160 mol/s
Expert Solution
Step 1
The reaction taking place is given as,
=> A(g) -----------> B(g)
Given: Initial moles of A taken = 0.120 mol.
And the moles of A at any time t is given as,
|
times (s) |
0 |
40 |
80 |
120 |
160 |
|
moles of A |
0.120 |
0.072 |
0.046 |
0.028 |
0.015 |
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