What Is the Total Heat Flow If 18 Grams of Water

question 28

Multiple Choice

What is the total heat flow if 18 grams of water at 12°C is heated to become steam at 109°C? The specific heat of liquid water is 4.18 J/g • 0°C; the specific heat of steam is 2.0 J/g • 0°C.The heat of vaporization of water is 2.26 kJ/g,and the boiling point of water is 100°C.

• A)0.32 kJ
• B)6.6 kJ
• C)48 kJ
• D)41 kJ
• E)7.0 * 10³ kJ

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