Two closed thermodynamic cycles are illustrated in the figure.(Figure 1) The ideal gas sample can be processed clockwise or counterclockwise through either cycle. Imagine processing the gas clockwise through Cycle 1. Determine whether the change in internal energy of the gas in the entire cycle is positive, negative, or zero. Imagine processing the gas clockwise through Cycle 1. Determine whether the work done by the gas in the entire cycle is positive, negative, or zero. Imagine processing the gas clockwise through Cycle 1. Determine whether the heat energy transferred to the gas in the entire cycle is positive, negative, or zero. Imagine processing the gas clockwise through Cycle 1 and then counterclockwise through Cycle 1. Compare these two processes on the basis of the work done by the gas in the entire cycle. WclockwiseWclockwiseW_clockwise for Cycle 1 > WcounterclockwiseWcounterclockwiseW_counterclockwise for Cycle 1 WclockwiseWclockwiseW_clockwise for Cycle 1 = WcounterclockwiseWcounterclockwiseW_counterclockwise for Cycle 1 WclockwiseWclockwiseW_clockwise
Two closed
Imagine processing the gas clockwise through Cycle 1. Determine whether the change in internal energy of the gas in the entire cycle is positive, negative, or zero.
Imagine processing the gas clockwise through Cycle 1. Determine whether the work done by the gas in the entire cycle is positive, negative, or zero.
Imagine processing the gas clockwise through Cycle 1. Determine whether the heat energy transferred to the gas in the entire cycle is positive, negative, or zero.
Imagine processing the gas clockwise through Cycle 1 and then counterclockwise through Cycle 1. Compare these two processes on the basis of the work done by the gas in the entire cycle.
| WclockwiseWclockwiseW_clockwise for Cycle 1 > WcounterclockwiseWcounterclockwiseW_counterclockwise for Cycle 1 |
| WclockwiseWclockwiseW_clockwise for Cycle 1 = WcounterclockwiseWcounterclockwiseW_counterclockwise for Cycle 1 |
| WclockwiseWclockwiseW_clockwise for Cycle 1 < WcounterclockwiseWcounterclockwiseW_counterclockwise for Cycle 1 |
Imagine processing the gas clockwise through Cycle 1 and then counterclockwise through Cycle 1. Compare these two processes on the basis of the heat energy transferred to the gas in the entire cycle.
| QclockwiseQclockwiseQ_clockwise for Cycle 1 > QcounterclockwiseQcounterclockwiseQ_counterclockwise for Cycle 1 |
| QclockwiseQclockwiseQ_clockwise for Cycle 1 = QcounterclockwiseQcounterclockwiseQ_counterclockwise for Cycle 1 |
| QclockwiseQclockwiseQ_clockwise for Cycle 1 < QcounterclockwiseQcounterclockwiseQ_counterclockwise for Cycle 1 |
Imagine processing the gas clockwise through Cycle 1 and then clockwise through Cycle 2. Compare these two processes on the basis of the work done by the gas in the entire cycle.
WclockwiseWclockwiseW_clockwise for Cycle 1 > WclockwiseWclockwiseW_clockwise for Cycle 2WclockwiseWclockwiseW_clockwise for Cycle 1 = WclockwiseWclockwiseW_clockwise for Cycle 2WclockwiseWclockwiseW_clockwise for Cycle 1 < WclockwiseWclockwiseW_clockwise for Cycle 2
Imagine processing the gas clockwise through Cycle 1 and then clockwise through Cycle 2. Compare these two processes on the basis of the heat energy transferred to the gas in the entire cycle.
| QclockwiseQclockwiseQ_clockwise for Cycle 1 > QclockwiseQclockwiseQ_clockwise for Cycle 2 |
| QclockwiseQclockwiseQ_clockwise for Cycle 1 = QclockwiseQclockwiseQ_clockwise for Cycle 2 |
| QclockwiseQclockwiseQ_clockwise for Cycle 1 < QclockwiseQclockwiseQ_clockwise for Cycle 2 |
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