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Questions and Answers
According to the first law of thermodynamics, what is the total amount of energy in the universe?
According to the first law of thermodynamics, what is the total amount of energy in the universe?
- It is a constant (correct)
- It varies with temperature
- It is constantly decreasing
- It is constantly increasing
Which term represents the sum of kinetic energy and potential energy of a system?
Which term represents the sum of kinetic energy and potential energy of a system?
- Internal energy (correct)
- Temperature
- Work
- Heat
In an isobaric process, what remains constant?
In an isobaric process, what remains constant?
- Temperature
- Volume
- Internal energy
- Pressure (correct)
What type of process occurs when the system temperature remains constant?
What type of process occurs when the system temperature remains constant?
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In which type of process does no heat transfer occur and the internal energy of the system changes as a result of doing work on the surroundings?
In which type of process does no heat transfer occur and the internal energy of the system changes as a result of doing work on the surroundings?
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Study Notes
Energy and Thermodynamic Processes
- The total amount of energy in the universe remains constant according to the first law of thermodynamics.
- The sum of kinetic energy and potential energy of a system is represented by the term internal energy.
- In an isobaric process, the pressure remains constant.
- An isothermal process occurs when the system temperature remains constant.
- An adiabatic process occurs when no heat transfer occurs and the internal energy of the system changes as a result of doing work on the surroundings.
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