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Thermo I Exam 2 Example 1 with answers(1)

Thermo I Exam 2 Example 1 with answers(1) - Name CHEG 2313...

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Name: ____________________________ CHEG 2313 Thermo I Exam 2 Example 1 Short Answer: 1. There are two masses of the same solid, incompressible material with a constant specific heat. Mass A is 2 kg with Temperature A of 200 ° C. Mass B is 1 kg with Temperature B of 400 ° C. If both masses are cooled to 0 ° C, which of the following is true of the total internal energy change ( U)? (2 pts) (a) B A U U (b) B A U U = (c) B A U U < (d) not enough information 2. Circle all of following statement that are correct. (2 pts) (a) Reversible systems produce the maximum work for a given change of state. (b) Reversible systems produce the minimum work for a given change of state. (c) Reversible systems require the maximum work from the surrounding for a given change of state. (d) Reversible systems require the minimum work from the surroundings for a given change of state. (e) There is no difference in work between a reversible and irreversible system.
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