Calculate the Amount of Heat Energy Required to Convert 27

question 8

Multiple Choice

Calculate the amount of heat energy required to convert 27.5 g of water at 62.5°C to steam at 124.0°C. (C_water = 4.184 J/g°C; C_ice = 2.03 J/gºC; C_steam = 2.02 J/g°C; molar heat of fusion of ice = 6.01 × 103 J/mol; molar heat of vaporization of liquid water = 4.07 × 10⁴ J/mol)

• A)6.15 × 10⁴ kJ
• B)1.23 × 10² kJ
• C)4.31 × 10² kJ
• D)67.8 kJ
• E)1.33 kJ

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