thàn 7.0? Justify your answer. prr greatci or TesS 9. Assuming the schematics below represent galvanic cells as written, identify the half-cel reactions occurring in each. (A) Mg(s)| Mg*(aq) || Cu²*(aq)| Cu(s) 2+ 2+ (B) Ni(s) Ni*(aq) || Ag*(aq)| Ag(s) 2+ 10. Which member of each pair of metals is more likely to corrode (oxidize)? (A) Mg or Cu (B) Fe or Zn (C) Ag or Pb 11. If a 2.5 A current flows through a circuit for 40 s, how many coulombs of charge moved through the circuit? 12. Consider two processes: sublimation of I2(s) and melting of I2(s) at the same temperature (Note: the latter process can occur at the same temperature but somewhat higher pressure). (A) I2(S)→I2(g) and (B) I2(s)→L(1) Is AS positive or negative in these processes? In which of the processes will the magnitude of entropy change be greater?

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Question 9 a and b 

thàn 7.0? Justify your answer.
prr greatci or TesS
9. Assuming the schematics below represent galvanic cells as written, identify the half-cel
reactions occurring in each.
(A) Mg(s)| Mg*(aq) || Cu²*(aq)| Cu(s)
2+
2+
(B) Ni(s) Ni*(aq) || Ag*(aq)| Ag(s)
2+
10. Which member of each pair of metals is more likely to corrode (oxidize)?
(A) Mg or Cu
(B) Fe or Zn (C) Ag or Pb
11. If a 2.5 A current flows through a circuit for 40 s, how many coulombs of charge moved
through the circuit?
12. Consider two processes: sublimation of I2(s) and melting of I2(s) at the same temperature
(Note: the latter process can occur at the same temperature but somewhat higher pressure).
(A) I2(S)→I2(g) and (B) I2(s)→L(1)
Is AS positive or negative in these processes? In which of the processes will the magnitude of
entropy change be greater?
Transcribed Image Text:thàn 7.0? Justify your answer. prr greatci or TesS 9. Assuming the schematics below represent galvanic cells as written, identify the half-cel reactions occurring in each. (A) Mg(s)| Mg*(aq) || Cu²*(aq)| Cu(s) 2+ 2+ (B) Ni(s) Ni*(aq) || Ag*(aq)| Ag(s) 2+ 10. Which member of each pair of metals is more likely to corrode (oxidize)? (A) Mg or Cu (B) Fe or Zn (C) Ag or Pb 11. If a 2.5 A current flows through a circuit for 40 s, how many coulombs of charge moved through the circuit? 12. Consider two processes: sublimation of I2(s) and melting of I2(s) at the same temperature (Note: the latter process can occur at the same temperature but somewhat higher pressure). (A) I2(S)→I2(g) and (B) I2(s)→L(1) Is AS positive or negative in these processes? In which of the processes will the magnitude of entropy change be greater?
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