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What is the SIGN of the ΔU for the process shown below?
- Positive
- Negative
- Zero
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What is the sign of the Qby surroundings?
- Positive
- Negative
- Zero
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What is the sign of the work in this process?
- Positive
- Negative
- Zero
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The temperature at C is 8000 K. What is the temperature when the volume is 3m3?
- The temperature is greater than at location "C."
- The temperature is less than at location "C."
- The temperature is the same as location "C."
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Rank the temperatures from greatest to least.
- TC > TD = TB > TA
- TD > TC > TB > TA
- TC > TB > TD > TA
- TC > TD > TB > TA
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Rank the amont of work done among these four processes, WAB, WBC, WCD, WDA. Positive numbers are greater than negative numbers.
- WBC > WCD > WAB > WDA
- WBC = WCD > WAB > WDA
- WBC > WCD = WAB > WDA
- WDA > WAB > WCD > WBC