Calculate the Amount of Heat Energy Required to Evaporate 55

question 78

Multiple Choice

Calculate the amount of heat energy required to evaporate 55.0 g of water at 100.0ºC. (molar heat of vaporization of liquid water = 4.07 × 10⁴ J/mol)

• A)1.24 × 10² kJ
• B)2.24 × 10³ kJ
• C)4.03 × 10⁴ kJ
• D)1.24 × 10⁸ kJ
• E)2.43 × 10⁻² kJ

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Definitions:

Stock Dividends

A dividend payment made to shareholders in the form of additional shares rather than cash.

Common Stock

A type of equity security that represents ownership in a corporation, providing voting rights and entitling the holder to a share of the company's success through dividends and/or capital appreciation.

Retained Earnings

The portion of a company's profits that is kept or retained and not paid out as dividends to shareholders, used for reinvestment in the business or paying off debt.