What is \( \Delta \mathrm{U} \) for the process described by figure. Heat supplied during the pr...

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What is \( \Delta \mathrm{U} \) for the process described by figure. Heat supplied during the process \( \mathrm{q}=100 \mathrm{~kJ} \).
\( P \)
(A) \( +50 \mathrm{~kJ} \)
(B) \( -50 \mathrm{~kJ} \)
(C) \( -150 \mathrm{~kJ} \)
(D) \( +150 \mathrm{~kJ} \)
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