Calculate the Amount of Heat Energy Required to Evaporate 27

question 17

Multiple Choice

Calculate the amount of heat energy required to evaporate 27.5 g of water at 100.0ºC. (molar heat of vaporization of liquid water = 4.07 × 10⁴ J/mol)

• A)62.1 kJ
• B)1.12 × 10³ kJ
• C)2.02 × 10⁴ kJ
• D)6.20 × 10⁷ kJ
• E)1.22 × 10⁻² kJ

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