First Law of Thermodynamics

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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?

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?

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?

The entire universe Signup and view all the answers

When considering practical applications, what concept does thermodynamics define in addition to closed systems?

Open systems Signup and view all the answers

Which principal forms of energy transfer does the first law of thermodynamics distinguish?

Heat and thermodynamic work Signup and view all the answers

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?

Internal energy Signup and view all the answers

What does the first law of thermodynamics state?

Energy cannot be created or destroyed, but it can be transformed from one form to another in an isolated system Signup and view all the answers

In practical applications, what concept does thermodynamics define in addition to closed systems?

Open systems Signup and view all the answers

According to the first law of thermodynamics, what is constant in an isolated system?

The sum of all forms of energy Signup and view all the answers

First Law of Thermodynamics

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Questions and Answers

According to the first law of thermodynamics, what are the two principal forms of energy transfer?

What is the equivalent statement of the first law of thermodynamics in terms of perpetual motion machines?

In an isolated system, what is constant according to the first law of 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?

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 state?

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?

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