Estimate the Enthalpy of Vaporization of Water Given That at 25

question 49

Multiple Choice

Estimate the enthalpy of vaporization of water given that at 25 ^$\omicron$ C and 35F ^$\omicron$ C its vapor pressure is 23.8 and 42 Torr, respectively.Assume that the enthalpy of vaporization is independent of the temperature.

• A) 415 J . mol ^{- 1}
• B) 221 kJ . mol ^{- 1}
• C) 41.5 kJ . mol ^{- 1}
• D) 5.21 kJ . mol ^{- 1}
• E) 43.4 kJ . mol ^{- 1}

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Two-transaction Approach

An accounting method where a transaction is considered to involve two separate events that are recorded independently.

Two-transaction Theory

A concept in accounting that proposes a business transaction affects two or more accounts in the ledger, which is fundamental to the double-entry bookkeeping system.

Exchange Gains

Profits earned from the favorable movement of currency exchange rates that impact the value of foreign currency transactions.

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