The Fluorocarbon C₂Cl₃F₃ Has a Normal Boiling Point of 47

question 91

Multiple Choice

The fluorocarbon C₂Cl₃F₃ has a normal boiling point of 47.6°C.The specific heats of C₂Cl₃F₃(l) and C₂Cl₃F₃(g) are 0.91 J/gK and 0.67 J/gK,respectively.The heat of vaporization of the compound is 27.49 kJ/mol.The heat required to convert 50.0 g of the compound from the liquid at to the gas at 65.0°C is ________ kJ.

• A) 8.46
• B) 1454
• C) 29.78
• D) 2301
• E) 9.63

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COUNTIF

A function in spreadsheet software that counts the number of cells within a range that meet a single criterion.

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