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Solution for Write one statement of first law of thermodyamics and its mathematical expression - HSC Science (Computer Science) 12th Board Exam - Chemistry

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Question

Write one statement of first law of thermodyamics and its mathematical expression.

Solution

First law of thermodynamics:-

If the quantity of heat supplied to a system is capable of doing work, then the quantity of heat absorbed by the system is equal to the sum of the increase in the internal energy of the system and the external work done by it.

The equation which supports the first law of thermodynamics mathematically is

ΔU = q + w

When expressed in the differential form, the same relationship takes the following form:

dQ = dU + dL

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APPEARS IN

 2014-2015 (March) (with solutions)
Question 4.1 | 7.00 marks
Solution Write one statement of first law of thermodyamics and its mathematical expression Concept: Chemical Thermodynamics and Energetic - First Law of Thermodynamics.
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