NCERT Problem 5.8 - Chemical Thermodynamics

Question: Find internal-energy change when 1 mol water at 100 degrees C becomes ice at 0 degrees C.

Answer: delta H = -7.56 - 6.00 = -13.56 kJ mol^-1; delta U is approximately -13.56 kJ mol^-1 because no gas-mole change occurs.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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