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Thermochemistry

Question 1
college-boardChemistryAPExam Style
1 mark

Which state of matter has molecules that are tightly packed but still able to slide past one another?

Question 2
college-boardChemistryAPExam Style
1 mark

Can you identify the correct statement regarding the process of ice melting into liquid water?

Question 3
college-boardChemistryAPExam Style
1 mark

During which phase change does a substance absorb energy without changing temperature?

Question 4
college-boardChemistryAPExam Style
1 mark

During which phase change does the entropy of a substance increase the most?

Question 5
college-boardChemistryAPExam Style
1 mark

Aimed at comparing the kinetics of freezing across different fluids, which experimental design would yield the most insightful data?

Question 6
college-boardChemistryAPExam Style
1 mark

Which quantity remains constant during a phase change from liquid to gas at boiling point?

Question 7
college-boardChemistryAPExam Style
1 mark

Which concept explains why ice floating on water plays an essential role in maintaining aquatic life during winter months?

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Question 8
college-boardChemistryAPExam Style
1 mark

What instrument is commonly used in an AP Chemistry lab to measure temperature?

Question 9
college-boardChemistryAPExam Style
1 mark

Find energy needed to convert 36 g ice to water vapor given the following data about water: ∆Hfus = 334 J/g, ∆Hvap = 2260 J/g.

Question 10
college-boardChemistryAPExam Style
1 mark

Which research question could elucidate the role temperature plays in affecting vapor pressure for pure substances at their normal boiling point?