(0 1) The reaction bloodstream, is given If moment, what is the rate of disappea

Question

(0 1) The reaction bloodstream, is given If moment, what is the rate of disappearance of C2Hg0 at that moment? that occurs in a Breathalyzer, a device used to determine the alcohol level in a person's below. If the rate of appearance of Cr2(50413 is 1.24 molUmin at a particular 3 A2 produced the data in the table 2) A concen below. tration-time study of the gas phase reaction 2 A Time (s) A3] (M) IA2) (M) 4.00× 10-4 2.00 ×10-4 1.00×10-4 5.00 x 10-5 10 20 30 3.00 ×10-4 4.50 x 10-4 a) What is the average rate (M/s) of decomposition of A3 in the time interval 20-30 seconds? b) What is the average rate (M/s) of formation of A2 in the time interval 20-30 seconds? 3) The following set of data was obtained by the method of initial rates for the reaction: 2 HgCl2(aq)+ C2042-(aq) 2 ClHag)+2 cO2tg)+Hg2cl2(s) [HC12] (M) IC204-1 M Rate (Ms) 0.10 13 10-7 0.20 5.2 10-7 0.20 110-10-6 0.10 0.10 0.20

Explanation / Answer

Q1

Cr2(SO4)3 --> 1.24 mol/min

raito is

2 mol of Cr2(SO4)3 = 3 mol of C2H6O

then

C2H6O = 3/2*1.24 = 1.86 mol/min must be processed

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