midterm problems 6

midterm problems 6 - Lecture 6 Practice Problems 1. The...

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Lecture 6 Practice Problems 1. The boiling point of a compound can be defined as: a) the change in phase from a solid to a liquid b) temperature in which the vapor pressure of a liquid is equal to the pressure of the atmosphere c) when the pressure of the liquid is equal to 700mmHg d) when a compound breaks down and evaporates 2. If the total pressure of a system is increased, how will the boiling point be affected? a) nothing, it will remain at the same temperature b) the boiling point will be lower c) the boiling point will be higher d) none of the above 3. Which of the following does not have an influence on boiling point? a) amount of sample b) polarity c) shape d) molecular weight Use the following diagram for questions 4 and 5. 4. What type of diagram is shown above? a) phase diagram b) chromatogram c) azeotrope d) nomograph 242˚C 85mm 75mm 65mm 55mm 45mm 35mm 25mm 15mm 110˚C 120˚C 130˚C 140˚C 150˚C 160˚C 170˚C 180˚C
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5. If the normal boiling point of a compound is 242˚C. What would be the temperature if
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midterm problems 6 - Lecture 6 Practice Problems 1. The...

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