Calculate the Amount of Enthalpy Required to Heat 25 $\circ$ C to Liquid Benzene at 20

question 25

Multiple Choice

Calculate the amount of enthalpy required to heat 25.0 g of solid benzene (C₆H₆) at -10 ^$\circ$ C to liquid benzene at 20.0 ^$\circ$ C. Thermodynamic data for benzene: specific heat of solid benzene = 1.52 J/g· ^$\circ$ C; specific heat of liquid benzene = 1.73 J/g· ^$\circ$ C; melting point = 5.5 ^$\circ$ C; $\Delta$ H_fus = 9.9 kJ/mol.

• A) 3.8 kJ
• B) 4.1 kJ
• C) 4.4 kJ
• D) 4.7 kJ
• E) None of the above

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