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Questions and Answers
According to the first law of thermodynamics, which of the following statements is true?
According to the first law of thermodynamics, which of the following statements is true?
- Internal energy is the sum of heat energy and work done by the system.
- Energy can be transformed from one form to another, but it cannot be created or destroyed. (correct)
- Energy can be created and destroyed in different forms.
- The total amount of energy in the universe is not a constant.
What is the measure of hotness and coldness of a system?
What is the measure of hotness and coldness of a system?
- Energy
- Heat
- Temperature (correct)
- Internal energy
What is the part of the universe that is of interest in a thermodynamic system?
What is the part of the universe that is of interest in a thermodynamic system?
- Internal energy
- Universe
- Surroundings
- System (correct)
If the system temperature remains constant, what type of process is occurring?
If the system temperature remains constant, what type of process is occurring?
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During which process does the volume of the system remain constant?
During which process does the volume of the system remain constant?
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