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A 450-Kg Sample of Ice Is At At 0.00 0.00C0.00 ^ { \circ } \mathrm { C }

Question 20

Multiple Choice

A 45.0-kg sample of ice is at 0.00C0.00 ^ { \circ } \mathrm { C } How much heat is needed to melt it? For water LF=334,000L F = 334,000 J/kg and LV=2.256×106 J/kg\mathrm { J } / \mathrm { kg } \text { and } L V = 2.256 \times 10 ^ { 6 } \mathrm {~J} / \mathrm { kg } \text {. }


A) 4.10×106 kJ4.10 \times 10 ^ { 6 } \mathrm {~kJ}
B) 1.50×104 kJ1.50 \times 10 ^ { 4 } \mathrm {~kJ}
C) 0.00 kJ
D) 1.02×105 kJ1.02 \times 10 ^ { 5 } \mathrm {~kJ}

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