NY Regents Chemistry Exam August 2023 Question 43
43 Given the cooling curve for a substance:
During which intervals is the potential energy decreasing while the average kinetic energy remains constant?
(1) BC and AB
(2) BC and DE
(3) EF and AB
(4) EF and DE
Solution: During horizontal intervals in a cooling curve the potential energy is decreasing while the average kinetic energy stays the same. Choice 2
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