Question:medium
The first law of thermodynamics can be stated as
The first law of thermodynamics can be stated as
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$\Delta U = q + w$. For an isolated system, $q=0$ and $w=0$, so $\Delta U=0$.
Updated On: Apr 27, 2026
- the energy of an open system only is constant.
- the energy of isolated and open systems is constant.
- the energy of closed and open systems is constant.
- the energy of an isolated system only is constant.
- the energy of a closed system only is constant.
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The Correct Option is D
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