Calculate the Enthalpy Change That Occurs When 1 Lb (454

question 171

Multiple Choice

Calculate the enthalpy change that occurs when 1 lb (454 g) of mercury freezes at its freezing point (234.3 K) .The standard enthalpy of fusion of mercury is 2.29kJ.mol^-1.

• A) -2.29 kJ
• B) -1.04 * 10³ kJ
• C) +5.18 kJ
• D) +2.29 kJ
• E) -5.18 kJ

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