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A cube of iron at 20.°C is placed in contact with a cube of copper at 60.°C. Which statement describ


August 2018 NY Regents Chemistry Exam


17 A cube of iron at 20.°C is placed in contact with a cube of copper at 60.°C. Which statement describes the initial flow of heat between the cubes?

(1) Heat flows from the copper cube to the iron cube.

(2) Heat flows from the iron cube to the copper cube.

(3) Heat flows in both directions between the cubes.

(4) Heat does not flow between the cubes.


Solution: Heat always flows form an object with higher temperature to an object with lower temperature.

Answer:1


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