Ex3ASu04 - CHM 3610 NAME(PRINTED) EXAM 3 June 18, 2004...

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CHM 3610 EXAM 3 June 18, 2004 NAME(PRINTED) Score Questions 1-25 are 6 points each and 25 is 8 points for a total of 152 points. 1. In the balanced half reaction for P PH 3 in basic solution, we have (1) 2 H 2 O as reactants. (2) 2 H 2 O as products (3) 3 H 2 O as products (4) 3 H 2 O as reactants. (5) None of the answers in 1 through 4 are correct. 2. Which of the following species in the Latimer diagram on the data sheet will disproportionate? (1) PO 4 3 (2) HPO 3 2 (3) H 2 PO 2 (4) P (5) PH 3 (6) All of the species in 1 through 5. (7) None of the species in 1 through 5. 3. What is the E 0 for the half reaction HPO 3 2 P. Show your calculation. 4. With an increase in temperature, the equilibrium constant for the reaction 2 NO(g) + O 2 (g) 2 NO 2 (g) will: (1) increase (2) decrease (3) not change (4) depend on H 0 5. Circle the ions which are expected to be very toxic? (1) K + (2) Be 2+ (3) Sc 3+ (4) Tl + (5) None of the ions in 1 through 4. (6) All of the ions in 1 through 4. 6. Which of the following elements would be classified as a chalcophile?
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Ex3ASu04 - CHM 3610 NAME(PRINTED) EXAM 3 June 18, 2004...

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