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State the first law of thermodynamics....

State the first law of thermodynamics.

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The first law of thermodynamics, also known as the law of conservation of energy, states that "The total energy of an isolated system remains constant though it may change from the another."
The mathematical statement of the First Law is :
`Delta = q + w `
Where q - the amount of heat supplied to the
system; w - work done on the system.
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