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MCQ
When a weak acid is neutralized by a strong base, the measured heat of neutralization is:
Unit-8 Energetics
A Less negative than -57.1 kJ/mol
B More negative than -57.1 kJ/mol
C Exactly -57.1 kJ/mol
D Positive
Explanation

Some heat is used to ionize the weak acid, so less heat is released and the value is less negative.

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