Exam3bKey - C 7. (8) B 8. a) (4) water b) (4) water c) (4)...

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Exam 3 – Form B CH 101 November 20, 2008 Name: ____________ KEY ____________________ Student I D : __________________ (please print) (if you know it) I agree to have this graded exam returned in class _____________________________________ where others may see my grade : (signature) 1. (12) g ________ mol 1 g 25.9 x L 1 mol 0.25 x L 3 = 2. (16) H ~ [ 1 (163) + 4 (391) + 2 (146) + 4 (463) ] - [ 1 (941) + 8 (463) ] 3. a) (2) free energy 4. (2 each) b) (2) work c) (2) rate constant d) (2) entropy e) (2) heat f) (2) equilibrium constant g) (2) enthalpy 5. a) (8) 10. (3 each) b) (8) 12. (3 each) Rxn A Rxn B Rxn C a) no yes yes b) no no yes c) yes no no d) no no yes e) no yes yes 6. a)(8) A b)(8) A c)(8) C d)(8)
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Unformatted text preview: C 7. (8) B 8. a) (4) water b) (4) water c) (4) hexane d) (4) water 9. a)(3) +5 b)(3) +7 c)(3) +5 11. a)(3) no b)(3) no c)(3) no d)(3) A 2+ e)(3) B 2-ox or red? # of e-a) ox 6 b) ox 6 c) ox 2 (yes or no) chem. form a) no - - - b) yes PbCO 3 c) yes Fe(OH) 3 2 2 2 2 2 ] O N [ ] O [ ] N [ K = 2-1 2 ] [OH ] Cu [ K + = 13. a) (8) Co 2+ (aq) + S 2-(aq) CoS(s) b) (8) 3 Ni 2+ (aq) 2 PO 4 3-(aq) Ni 3 (PO 4 ) 2 (s) 14. (8) 2 C 4 H 6 + 11 O 2 b 8 CO 2 + 6 H 2 O 15. a) (8) 2 Al 3+ + 3 Pb 2 Al + 3 Pb 2+ b) (8) Ni + Cu 2+ Ni 2+ + Cu 16. (6) B I pledge that I have neither given nor received aid on this examination. Signature : _____________________________________________...
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This note was uploaded on 11/27/2008 for the course CH Ch101 taught by Professor Bigham during the Fall '08 term at N.C. State.

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Exam3bKey - C 7. (8) B 8. a) (4) water b) (4) water c) (4)...

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