Calculate the Enthalpy Change That Occurs When 1 Lb (454

question 72

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 2.29 kJ.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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