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

Question 46

Multiple Choice

Calculate the energy in the form of heat (in kJ) required to change 71.8 g of liquid water at 25.7 \circ C to ice at -16.1 \circ 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) -12.6 kJ
B) -7.7 kJ
C) -34.0kJ
D) -31.6 kJ
E) -10.1 kJ

Correct Answer:

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