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Material Type: Exam; Class: General Chemistry II; Subject: Chemistry; University: Roane State Community College; Term: Spring 2003;
Typology: Exams
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E = E F^! (0.0592/n)log 10 Q
a. 1.3 × 10!^31 b. 5.3 × 10^6 c. 7.7 × 10^30 d. 1.9 × 10!^7 e. 3.1 × 10!^21
step 1: NO 2 Br(g)! NO 2 (g) + Br(g) slow step step 2: NO 2 Br(g) + Br(g)! NO 2 (g) + Br 2 (g) fast step overall: 2 NO 2 Br(g)! 2 NO 2 (g) + Br 2 (g)
a. Rate = k(PNO2Br)^2 b. Rate = k(PNO2Br)^2 PBr c. Rate = kPNO2BrPBr d. Rate = kPNO2Br e. Rate = k(PNO2Br)^2 (PBr)-
step 1: 2NO 2 (g) º NO 3 (g) + NO(g) fast step 2: NO 3 (g) + CO(g)! NO 2 (g) + CO 2 (g) slow overall: NO 2 (g) + CO(g)! NO(g) + CO 2 (g)
a. Rate = k(PNO2)^2 b. Rate = k(PNO2)^2 PCO(PNO)- c. Rate = kPNO2PCOPNO d. Rate = kPNO2PCO e. Rate = kPNO
a. 19.71 yr. b. 7.10 yr. c. 11.91 yr. d. 74.7 yr. e. 62.1 yr.
Rate /M s-1^ [A] [B] 1.0 × 10-2^ 0.10 0. 2.0 × 10-2^ 0.20 0. 4.0 × 10-2^ 0.20 0. 2.0 × 10-2^ 0.10 0.
What are the reaction orders for A and B?
a. A: 0th^ B: 1st b. A: 1st^ B: 0th c. A: 2nd^ B: 0th d. A: 1st^ B: 2nd e. A: 1st^ B: 1st
time /min Adsorbance 0.00 0. 1.00 0. 2.00 0. 3.00 0. 4.00 0. What is the order of the reaction?
a. 0th^ order b. ½ order c. 1st^ order d. 2nd^ order e. 3rd^ order
a. !3.64 V b. +3.28 V c. !2.46 V d. +2.10 V e. +3.64 V
Zn | Zn2+^ (2.0 M) || Cu2+(0.010 M) | Cu
a. 1.1047 V b. 1.1728 V c. 1.0366 V d. 0.9684 V e. 0.9479 V
a. CH 3 CHO b. CH 3 CH 2 OH c. CH 3 OCH 3 d. CH 3 COOH e. CH 3 COCH 3
a. a primary amine b. a carboxylic acid c. an alcohol d. an ester e. a ketone
a. an ester b. a carboxylic acid c. an ether d. an amide e. an aldehyde
CH 3 CH=CH 2 + Br 2!?
a. CH 3 CH 2 CHBr 2 b. CH 3 CH 3 + CH 2 Br 2 c. CH 2 CH 2 + CH 2 Br 2 d. CH 3 CHBrCH 2 Br e. CH 4 + BrHC=CHBr
a. CH 2 CH 2 (ethene) b. CH 2 C(CH 3 )CHCH 2 (isoprene) c. CH 3 CH 3 (ethane) d. CH(C 6 H 5 )CH 2 (styrene) e. HC/CH (ethyne)
a. C 6 H 5 NH 2 b. CH 3 CH 2 OCH 2 CH 3 c. C 6 H 5 COOH d. CH 3 CH 2 OH e. CH 3 COOCH 3
1.d
2.d
3.b
4.a
5.e
6.d
7.b
8.a
9.b
10.a
11.e
12.a
13.d
14.c
15.d
16.a
17.d
18.d
19.a
20.c