An Unknown Substance Has a Boiling Point of 150°C at 650

question 102

Multiple Choice

An unknown substance has a boiling point of 150°C at 650 torr,and a boiling point of 195°C at 780 torr.What is the heat of vaporization?

• A) 22.2 kJ/mol
• B) 12.6 kJ/mol
• C) 6.67 kJ/mol
• D) 29.4 kJ/mol
• E) 18.4 kJ/mol

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The potential for losses or less-than-expected returns, present in all types of investments and business activities.

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