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Questions and Answers
According to the first law of thermodynamics, what are the two principal forms of energy transfer?
According to the first law of thermodynamics, what are the two principal forms of energy transfer?
- Heat and thermodynamic work (correct)
- Thermodynamic work and nuclear energy
- Heat and sound
- Heat and light
What is the equivalent statement of the first law of thermodynamics in terms of perpetual motion machines?
What is the equivalent statement of the first law of thermodynamics in terms of perpetual motion machines?
- Perpetual motion machines are possible
- Perpetual motion machines require external energy only
- Perpetual motion machines are sustainable
- Perpetual motion machines of the first kind are impossible (correct)
In an isolated system, what is constant according to the first law of thermodynamics?
In an isolated system, what is constant according to the first law of thermodynamics?
- Work only
- Heat only
- Matter only
- Sum of all forms of energy (correct)
What type of system often serves as a model for the ideal isolated system in thermodynamics?
What type of system often serves as a model for the ideal isolated system in thermodynamics?
When considering practical applications, what concept does thermodynamics define in addition to closed systems?
When considering practical applications, what concept does thermodynamics define in addition to closed systems?
Which principal forms of energy transfer does the first law of thermodynamics distinguish?
Which principal forms of energy transfer does the first law of thermodynamics distinguish?
What does the first law of thermodynamics define as an extensive property for taking account of the balance of heat and work in a system?
What does the first law of thermodynamics define as an extensive property for taking account of the balance of heat and work in a system?
What does the first law of thermodynamics state?
What does the first law of thermodynamics state?
In practical applications, what concept does thermodynamics define in addition to closed systems?
In practical applications, what concept does thermodynamics define in addition to closed systems?
According to the first law of thermodynamics, what is constant in an isolated system?
According to the first law of thermodynamics, what is constant in an isolated system?
