question (4), what does "X" represent? a) Tin b) Lead * c) Cobalt d) Silver 4. a. نن فم b. d.
12. Given the two reactions: E = -1.21 V Sn + 2Cl Sn²+ + Cl₂ 2Cr²+ + 1₂ -2Cr³+31- E = 0.94 V Which reaction(s) is(are) spontaneous at standard conditions? 1. a) (1) and (2) 2. b) only (1) 3. c) only (2) 4. d) neither (1) nor (2) (1) (2)
Find the standard reduction potential for the half-reaction: X+ + Cu²+ + 2X E° = 0.46 V X given that Cu + 2X a. a) 0.12 V b. b) -0.12 V C. c) 0.80 V d. d) -0.80 V 5. For Find the standard reduction potential for the half-reaction: X+ + Cu²+ + 2X E° = 0.46 V X given that Cu + 2X a. a) 0.12
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