Question

WHAT IS THE FIRST LAW OF THEMODYNMIC

Answer 1

Answer:

The first law of thermodynamics is a version of the law of conservation of energy, adapted for thermodynamic processes, distinguishing two kinds of transfer of energy, as heat and as thermodynamic work, and relating them to a function of a body's state, called Internal energy.

Explanation:

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Answer 2

The first law of Thermodynamics states that energy can neither be created nor destroyed in an isolated system.

Explanation:

Energy can be transformed from one form to another with the interaction of heat, work and internal energy under any conditions.

This is represented as   ΔU=q+w(1) .

where as

• ΔU  = the total change in internal energy of a system,
• q  =  the heat exchanged between a system and its surroundings, and
• w  =  the work done by or on the system.

The internal energy U is a state function or state property and does not depend upon the path by which that state was reached.

The standard unit for all these quantities would be the joule,but they are also  as in calories or BTUs.

To Learn More...

1. Explain Thermodynamics.

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2. Name the physical quantity that remains conserved in first law of thermodynamics

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