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quiz3a

# quiz3a - Exam Name MULTIPLE CHOICE Choose the one...

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Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following statements is FALSE. A) The difference in entropy between two states of a system is independent of the path between states. B) Entropy is a quantitative measure of disorder. C) Entropy can be measured in units of J/K D) The total entropy change in one cycle of a carnot engine is zero. E) The entropy of an isolated systen is conserved, i.e. constant. 1) 2) Calculate the entropy change of 1.0 mol of an ideal gas that undergoes an isothermal transformation from an initial state of pressure 1.5 atm and volume 500 cm^3 to a final state of pressure 0.90 atm. A) 1 J/K B) 5 J/K C) 10 J/K D) 50 J/K E) 100 J/K 2) 3) In class we spent a lot of time discussing various thermodynamic processes in P-V diagrams. Let us consider instead S (Entropy) and T(temperature) as axes for our 2 dimensional diagrams. Which of the following statements is wrong?

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