(a)
Interpretation:
Whether the given reaction is zeroth, first-, or second-order by using the units of the rate constant has to be determined.
Concept Introduction:
(a)
Explanation of Solution
The rate constant of the reaction is
(b)
Interpretation:
The mass of azomethane remains after
Concept Introduction:
The integrated rate equation for first order reaction is given below.
Where,
Half-life of a first order reaction can be calculated using following equation.
(b)
Answer to Problem 100QRT
The mass of azomethane remains after
Explanation of Solution
Given,
The mass of azomethane remains after
The concentration of azomethane remains is
Therefore the mass of azomethane remains can be calculated as follows,
The mass of azomethane remains after
(c)
Interpretation:
The time taken for the azomethane to drop from
Concept Introduction:
Refer to part (b).
(c)
Answer to Problem 100QRT
The time taken for the concentration to drop from
Explanation of Solution
Given,
The time taken for the azomethane to drop from
The time taken for the concentration to drop from
(d)
Interpretation:
The mass of nitrogen found in the flask after
Concept Introduction:
Refer to part (b).
(d)
Answer to Problem 100QRT
The mass of nitrogen remaining in the flask after
Explanation of Solution
Mass of
Here mass is proportional to concentration. So instead of concentration mass can be taken for calculation as follows,
Amount of
Hence mass of nitrogen remaining in the flask can be calculated as follows,
The mass of nitrogen remaining in the flask after
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Chapter 11 Solutions
Chemistry: The Molecular Science
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