re (3 2/22/201711:55 PM A 64.7100 2/20/2017 o305 PM Gradebook Print Calculator P
ID: 486778 • Letter: R
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re (3 2/22/201711:55 PM A 64.7100 2/20/2017 o305 PM Gradebook Print Calculator Periodic Table Question 2 of 40 General Chemistry 4th Edition University Science Books presented Sapling The decomposition of Nzos can be described by the equation t (s) IN2Osl (M) 2 Nao, (soln) 1.91 125 1.77 Given these data for the 45 1.39 calculate the average rate of reaction for each successive time interval La 1.18 Interval: 0 s to 125 s 125 s to 506 s 506 s to 765 s .Reaction rate: Mis MI s M/s AOPrevious Give up 8 view solution check Answer 0 Next HExa HintExplanation / Answer
Average Rate of the reaction = -1/2delta[N2O5]/deltat = +1/4delta[NO2]/deltat = +delta[O2]/deltat
Since we know the concentration of N2O5 ,we will use
Rate of reaction = -1/2delta[N2O5]/deltat
From interval 0 to 125sec:
Rate of reaction = -1/2delta[N2O5]/deltat
= -1/2 (1.77-1.91/125-0)
= 0.00056M/sec = 5.6×10-4M/sec
From interval 125s to 506sec:
Reaction rate = -1/2delta(1.39-1.77/506-125)
= 0.00050M/sec = 5.0×10-4M/sec
From interval 506s to 765sec:
Reaction rate = -1/2delta(1.18-1.39/765-506)
= 0.00041M/sec = 4.1×10-4M/sec
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