II - 1st Law of Thermodynamics

Thermodynamics is the scientific study of the interconversion of

heat and the other kinds of energy.

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• FALSE

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

First law of thermodynamics is founded on the law of definite proportion.

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The validity of the first law is tested by measuring the change in the

internal energy of a system between its initial state and its final

state in a process.

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Because energy can be changed from one form to another, the

energy lost by one system can not be gained by another system in a different form.

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• FALSE

Tags

NGSS.HS-PS3-4

The internal energy of a system is the difference of heat exchange

and the work done.

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• FALSE

The symbol for heat exchange is Q.

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• FALSE

The sign convention for work done w by the system to the

surrounding is positive.

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• FALSE

The sign convention for heat absorbed from the surroundings is

negative.

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• FALSE

When gas expand, the work is done by the surrounding to the system.

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• FALSE

When gas is compressed, the work is done by the system to the

surroundings.

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• FALSE