Chemistry-First Law
NEET Chemistry First Law MCQ Question
Type: MCQ-fact-Hard-Class 11
What does the equation ∆U = q + w represent in thermodynamics?
A
The first law of thermodynamics
B
The second law of thermodynamics
C
The definition of enthalpy
D
The conservation of mass
Correct Answer
Option A
Detailed Explanation
The equation ∆U = q + w is a mathematical statement of the first law of thermodynamics, which states that the energy of an isolated system is constant.
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