Exam3aKey - 7(8 A 8 a(4 water b(4 hexane c(4 hexane d(4...

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Exam 3 – Form A 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 58.5 x L 1 mol 0.60 x L 0.75 = 2. (16) H ~ [ 1 (941) + 8 (463) ] - [ 1 (163) + 4 (391) + 2 (146) + 4 (463) ] 3. a) (2) entropy 4. (2 each) b) (2) heat c) (2) free energy d) (2) equilibrium constant e) (2) enthalpy f) (2) rate constant g) (2) work 5. a) (8) 10. (3 each) b) (8) 12. (3 each) Rxn A Rxn B Rxn C a) yes no yes b) yes no yes c) no yes no d) yes no yes e) yes no yes 6. a)(8) B b)(8) D c)(8) B d)(8) D
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Unformatted text preview: 7. (8) A 8. a) (4) water b) (4) hexane c) (4) hexane d) (4) water 9. a)(3) +4 b)(3) +6 c)(3) +2 11. a)(3) no b)(3) yes c)(3) yes d)(3) A 2+ e)(3) B 2-ox or red? # of e-a) ox 6 b) red 2 c) red 5 (yes or no) chem. form a) yes FeS b) no - - - c) yes Cu 3 (PO 4 ) 2 ] [Cl ] H [ ] HCl [ K 2 2 2 = ] SO [ 1 K 2 = 13. a) (8) Pb 2+ (aq) + 2 OH 1-(aq) ⇋ Pb(OH) 2 (s) b) (8) 2 Cr 3+ (aq) + 3 CO 3 2-(aq) ⇋ Cr 2 (CO 3 ) 3 (s) 14. (8) 2 C 5 H 10 + 15 O 2 b 10 CO 2 + 10 H 2 O 15. a) (8) Sn + 2 Fe 3+ ⇋ Sn 2+ + 2 Fe 2+ b) (8) Cu 2+ + 2 Br 1-⇋ Cu + Br 2 16. (6) A I pledge that I have neither given nor received aid on this examination. Signature : _____________________________________________...
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Exam3aKey - 7(8 A 8 a(4 water b(4 hexane c(4 hexane d(4...

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