1) which of the following statements is true? (see above picture) 2) which one o
ID: 880683 • Letter: 1
Question
1) which of the following statements is true? (see above picture)
2) which one of the following is always positive when a spontaneous process occurs? (see above picture)
3) which one of the following processes produces a decrease of the entropy of the system? (see above picture)
4) deltaS is positie for the reaction....? (see above picture)
5) Of the following, the entropy of (Blank) is the largest. (see above picture)
6) the equilibrium position corresponsd to which letter on the graph of G vs f? (see above picture)
Exam Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following statements is true? A) Spontaneity can depend on the temperature B) Processes that are spontaneous in one direction are spontaneous in the opposite direction. C) Processes are spontaneous because they occur at an observable rate D) All of the statements are true 2) Which one of the following is al ways positive when a spontaneous process occurs? 2) A) S universe B) Ssystem C) AHsurroundings DJASsurroundings E) AH universe 3) Which one of the following processes produces a decrease of the entropy of the system? A) dissolving sodium chloride in water B) explosion of nitroglycerine C) dissolving oxygen in water D) sublimation of naphthalene E) boiling of alcohol 4) AS is positive for the reaction A) 2N02(g) N204 (g) B) C 02 (g) CO2 (s) C) 2H2 (g) + 02 (g) 2H20 (g) D) 2 Hg (l) + 02 (g) 2Hg0 (s) E) BaF2 (s) Ba2+ (aq) + 2F-(aq) 5) Of the following, the entropy of is the largest. C) HCI (g) 5) A) HI (g) B) HCI (s) D) HCI (I) E) HBr (g) 6) The equilibrium position corresponds to which letter on the graph of G vs. f (course of reaction) 6) below? Course of Reaction (f) A) A B) B D) DExplanation / Answer
2. A) Suniverse.
According to second law of thermodynamics, in spontaneous process, Suniverse is always greater than zero
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