20. Calculate the change in internal energy (ΔE) for a system that is giving off 25.0 kJ of heat and is changing from 12.00 L to 6.00 L in volume at 1.50 atm pressure.  (Remember that 101.3 J = 1 L∙atm)  A.  +25.9 kJ B.  -16.0 kJ C.  -25.9 kJ D.  -24.1 kJ E.  +937 kJ

Q: e the standard enthalpy change, 4,H for the reaction.

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A: Formula: ∆Gsystem = - T∆Stotal  ∆G1 = - T1 x ∆S     -------(i) ∆G2 = - T2 x ∆S    -------(ii)…

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