For the Reaction H₂O(l) → H₂O(g) at 298 K, 1

question 58

Multiple Choice

For the reaction H₂O(l) → H₂O(g) at 298 K, 1.0 atm, ΔH is more positive than ΔE by 2.5 kJ/mol. This quantity of energy can be considered to be

• A) the heat flow required to maintain a constant temperature.
• B) the work done in pushing back the atmosphere.
• C) the value of ΔH itself.
• D) the difference in the H-O bond energy in H₂O(l) compared to H₂O(g).
• E) none of these

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