7. The decomposition of N2O5(g) to NO2(g) and O2(g) obeys first-order kinetics. Assuming the form of the rate law is A[N,O,] Rate k[N,O,] Δι where k = 3.4 x 10-5 s-1 at 25°C. What is the initial rate of reaction at 25°C where [N2O5]o = 5.0 ´ 10-2 M? [A] 1.7 ' 10-6 mol/L × s [B] 6.8 ´ 10-4 mol/L × s [C] 3.4 ' 10-5 mol/L × s [D] 5.0 ´ 10-2 mol/L × s [E] none of these

Chemistry: Principles and Reactions
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Chapter11: Rate Of Reaction
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Problem 19QAP: The decomposition of nitrogen dioxide is a second-order reaction. At 550 K, a 0.250 M sample...
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7. The decomposition of N2O5(g) to NO2(g) and O2(g) obeys first-order kinetics. Assuming the
form of the rate law is
A[N,0,]
Rate
k[N,O,]
%3D
At
where k = 3.4 x 10-5 s-1 at 25°C.
What is the initial rate of reaction at 25°C where [N2O5]o = 5.0 ´ 10-2 M?
[A] 1.7' 10-6 mol/L × s [B] 6.8 ´ 10-4 mol/L × s [C] 3.4 ' 10-5 mol/L x s
[D] 5.0 ' 10-2 mol/L × s [E] none of these
Transcribed Image Text:7. The decomposition of N2O5(g) to NO2(g) and O2(g) obeys first-order kinetics. Assuming the form of the rate law is A[N,0,] Rate k[N,O,] %3D At where k = 3.4 x 10-5 s-1 at 25°C. What is the initial rate of reaction at 25°C where [N2O5]o = 5.0 ´ 10-2 M? [A] 1.7' 10-6 mol/L × s [B] 6.8 ´ 10-4 mol/L × s [C] 3.4 ' 10-5 mol/L x s [D] 5.0 ' 10-2 mol/L × s [E] none of these
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