10. When 1.00 mol of a pure liquid is vaporized at a constant pressure of 1.00 atm and at its boiling point of 320.0 K, 28.80 kJ of heat is absorbed, and the volume change is +24.90 L. What is ΔE for this process?
(A) -31.32 kJ
(B) +31.32 kJ
(C) -26.28 kJ
(D) +26.28 kJ

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