IMG_0001_NEW_0041

IMG_0001_NEW_0041 - Experiment shows that the decomposition...

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CHEM 122 Practice Questions for Final exam Kinetics l. The reaction of (CH3)3CBr with hydroxide ion proceeds with the formation of (CH3)3COH. (CH3[CBr(aq)+ OH-(aq) -+ (CHr),COH (aq) + Br(aq) The following data were obtained at 55"C. [{CH3)3CBr]s [OH-]o Initial Rate (mol&) (molll- s) 0.10 1.0 x l0-3 Exp. (mol/L) I 0.10 2 0.20 3 0.10 0.10 0.20 2.0 x l0-3 1.0 x l0-l 4 0.30 a.20 ? Strat will the initial rate (in mol/L o s) be in Experiment 4? (")t.0" to' 1) o.o ' to' c) l8 x 10-3 d) 9.0 x l0-3 e) none ofthese The following question refers to the gas-phase decomposition of ethylene chloride. C2H'C| -> products
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Unformatted text preview: Experiment shows that the decomposition is first order. Time (s) 1.0 2.0 k*.rl NAJ"= -r'rlf What would the concentation be after 5.0 seconds? lrrVAh =--o'lf f +-l'l-1tr 0.13 M b) 0.12 M c) 0.08 M d) 0.02 M e) 0.19 M 3. A general reaction written as 2A + 29 --> C + 2D is studied and yields the following data: lAlo lBlo Initial AlCllAt O 100 M 0.100 M 4.00 x 10-5 meVL r-s 0200 M 0.100 M 4.00 x l0-5 mol/L r s 0*100M Oa(Y)M 8.00x10-5mcrlllrs Whd is the order of the reaction with respect to B? ")2 b)3 c)4 Ot e)o ln [C2H5CI] (M)-t.625-t.735-htA& = -kt +'lh1) "...
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This note was uploaded on 12/27/2011 for the course CHEM 122 taught by Professor Williams during the Fall '10 term at Simon Fraser.

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