Concept explainers
(a)
The work done by the gas.
(a)
Answer to Problem 10P
The work done by the gas is
Explanation of Solution
Given info:
The initial pressure of the gas is,
The final pressure of the gas is,
The initial volume of the gas is,
The final volume of the gas is,
Formula Used:
The expression to calculate the work done by the gas is,
Calculation:
Substitute all the values in the above expression.
Conclusion:
Thus, the work done by the gas is
(b)
The change in the internal energy of the gas.
(b)
Answer to Problem 10P
The change in the internal energy of the gas is
Explanation of Solution
Given info:
The change in the temperature of the gas is,
Formula Used:
The expression to calculate the change in the internal energy of the gas is,
Here, N is the number of moles, R is the gas constant
Calculation:
Substitute all the values in the above expression.
Conclusion:
Thus, the change in the internal energy of the gas is
(c)
The heat flow into the gas.
(c)
Answer to Problem 10P
The heat flow into the gas is
Explanation of Solution
Given info:
The change in the internal energy of the gas is,
Formula Used:
The expression to calculate the heat flow into the gas is,
Calculation:
Substitute all the values in the above expression.
Conclusion:
Thus, the heat flow into the gas is
Chapter 15 Solutions
Physics: Principles with Applications
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