Calculate the Standard Molar Entropy of Vaporization of Phosphorus Trichloride

question 4

Multiple Choice

Calculate the standard molar entropy of vaporization of phosphorus trichloride, PCl₃, at its boiling temperature, 74 °C, given that the standard molar enthalpy of vaporization of phosphorus trichloride is 30.5 kJ mol^-1.

• A) +2.43 J K^-1 mol^-1
• B) +109 J K^-1 mol^-1
• C) +412 J K^-1 mol^-1
• D) +78.9 J K^-1 mol^-1

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Definitions:

EBIT

Known as Earnings Before Interest and Taxes, this financial gauge calculates a firm's profitability without considering interest and income tax charges.

Average Collection Period

The average number of days it takes for a company to collect payments from its customers, a measure of the efficiency of its credit policies.

Current Ratio

A liquidity ratio that measures a company's ability to pay short-term obligations with its short-term assets.

Quick Ratio

A measure of a company's short-term liquidity, calculated as (Current Assets - Inventory) / Current Liabilities, indicating how well a company can meet its short-term financial liabilities.