Q79 / 160 · JIPMER 2011 · Chemistry

According to the first law of thermodynamics which of the following quantities represents the change in a state function?

  • A
    $q_{\mathrm{rev}}$
  • B
    $q_{\mathrm{rev}}-W_{\text {rev }}$
  • C
    $\frac{q_{\mathrm{rev}}}{W_{\mathrm{rev}}}$
  • Correct answer
    D
    $q_{\mathrm{rev}}+W_{\text {rev }}$

Solution

$\Delta E=q_{\text {rev }}+W_{\text {rev }}$ $\Delta E$ is a state function.

Hence, the correct answer is option: 'D'.

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