Calculate the Enthalpy Change for the Following Reaction at 25°C

question 44

Multiple Choice

Calculate the enthalpy change for the following reaction at 25°C. The value of ΔH°f in kJ/mol is given below each species:
Al³⁺ (aq) + 3 OH- (aq) → Al(OH) ₃(s)
-531     -230.0      -1276

• A) -515 kJ
• B) -55 kJ
• C) -975 kJ
• D) -1120 kJ
• E) -2040 kJ

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