What Is the Total Heat Flow If 28 Grams of Water

question 23

Multiple Choice

What is the total heat flow if 28 grams of water at 12°C is cooled to become ice at -19°C? The specific heat of liquid water is 4.18 J/g • °C; the specific heat of ice is 2.1 J/g • °C.The heat of fusion of ice is 333 J/g,and the freezing point of water is 0.0°C.

• A)1.1 kJ
• B)1.4 kJ
• C)9.4 kJ
• D)10.8 kJ
• E)11.8 kJ

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