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# Solution - Write one statement of first law of thermodyamics and its mathematical expression - Chemical Thermodynamics and Energetic - First Law of Thermodynamics

ConceptChemical Thermodynamics and Energetic First Law of Thermodynamics

#### 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

Is there an error in this question or solution?

#### APPEARS IN

2014-2015 (March)
Question 4.1 | 7 marks (combined)
Solution for question: Write one statement of first law of thermodyamics and its mathematical expression concept: Chemical Thermodynamics and Energetic - First Law of Thermodynamics. For the courses HSC Science (Computer Science), HSC Science (Electronics), HSC Science (General)
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