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Solution: How much energy would be absorbed or released by the H 2O in...

Question

How much energy would be absorbed or released by the H 2O in the process.

30 grams H2O(g) at 100°C → 30 grams H2O(l) at 20°C?

1. 16.2 kcal absorbed

2. 16.2 kcal released

3. There would be no transfer of energy due to the first law of thermodynamics

4. 18.6 kcal released

5. 2.4 kcal released