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Calculate the Energy in the Form of Heat (In KJ)required

Question 51

Multiple Choice

Calculate the energy in the form of heat (in kJ) required to change 76.9 g of liquid water at 25.2 °C to ice at -15.2 °C.Assume that no energy in the form of heat is transferred to the environment.(Heat of fusion = 333 J/g; heat of vaporization = 2256 J/g; specific heat capacities: ice = 2.06 J/g⋅K,liquid water = 4.184 J/g⋅K)


A) -13.0 kJ
B) -8.1 kJ
C) -36.1kJ
D) -33.7 kJ
E) -10.5 kJ

Correct Answer:

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