4. Consider again the decomposition of NO, discussed in slides 39-41. The reaction is second order...
[time] [Z] 4. Suppose the data shown are for the second order reaction: → products. What is the value of the rate constant k? O min 50.000 atm 6.250 3.333 2.273. 5. For a first order reaction (G - products) with k = 0.173 min', suppose a chemist runs the reaction starting with an initial concentration [G]. = 12.0 M. a. How many minutes will it take for [G] to decrease to 4.70 M? b. What [G] will remain after...
9,10,11
9. Consider the decomposition reaction of N2Os. 2 N203(g) → 4NO2(g) + O2(g) follows the first order kinetics with rate constant of 4.8 x 10's. (a) if the initial 165 x 10-2M what is the concentration at 825 s? (b) How long it will take for concentration is 1.65 x 10-2M what is the concentrat the concentration of N2Os to decrease to 1.00 x 10-2M? t 10. Nitrosyl chloride, NOCI, decomposes slowly to NO and Cl2, the reaction follows...
Question 9 10 poin The following decomposition reaction of NO2 is a second order reaction with a rate constant of 0.255 M-1-1 NO2(g) NO(g) +0 (8) If the reaction begins with 0.010 M of NO2, what would be the concentration of NO2 after 200 seconds? a. 0.0066 M 6.0.0204 M OC. 0.0196 M O d. 0.0071 M Moving to the next question prevents changes to this answer. Question MacBook 80 F3 DII F8 11 DOO F4 F10 F9 F5 F6...
1. A reaction is second order in[A] and second-order in [B]: Rate,=K[A]^2[B]^2. what are the units of k for this reaction? If the concentration of air decreases by a factor of 2 and the concentration of b increases by a factor of 5 what happens to the rate? 2. for the forward reaction 2NO+Cl2=>2NOCl. determine the rate(m/s)for experiment #4 given [NO]°(M)=0.40M and [Cl2]°z(M)=0?20M. Rate? 3.The following data were collected over time for the forward reaction 2NO2=>2NO+O2 ( 1/[NO2]=100 at 0...
3. The thermal decomposition of A, 2A + products is a second-order reaction. Given that the initial concentration of A is = 2.45 x 10-3 M and the intial rate of reaction is 2.05x10-6 M s-1, calculate the rate constant. Also calculate the rate of reaction after 90% of A has reacted.
At elevated temperatures, nitrogen dioxide decomposes to nitrogen oxide and oxygen: The reaction is second order in NO2 with a rate constant of 0.543 M-1 s-1 at 300°C If the initial [NO2] is 0.260 M it will take ________ seconds for the concentration to drop to 0.100 M. 11.3 8.8 × 10-2 -0.611 3.34 0.299
The decomposition of dioxygen represents a second order process. 2 dioxygen → ozone + O Answer the following questions about the decomposition of dioxygen. Report all answers to three significant figures. 1. The initial concentration of dioxygen is 7.310x10-1 M, however after 3.36 h the concentration decreases to 4.898x10-1 M. Calculate the rate constant (in /M hr) for this process. Submit Answer Tries 0/13 2. If the initial concentration of dioxygen is 7.310x10-2 M, calculate the concentration (in M) of...
The decomposition of nitrosyl chloride represents a second order process. 2 nitrosyl chloride ? dichlorine + 2 nitrogen monoxide Answer the following questions about the decomposition of nitrosyl chloride. Report all answers to three significant figures. 1. The initial concentration of nitrosyl chloride is 3.244×10-3 M, however after 3.39 h the concentration decreases to 2.011×10-3 M. Calculate the rate constant (in /M hr) for this process. Tries 0/3 2. If the initial concentration of nitrosyl chloride is 3.244×10-3 M, calculate...
10 and 11
10. Nitrosyl chloride, NOCI, decomposes slowly to NO and Cl2, the reaction follows second order kinetics with a rate constant of 0.020 L mol-' s at a certain temperature. 2 NOCI (g) → 2 NO(g) + Cl2(g) If the initial concentration of NOCI in a closed reaction vessel is 0.050 M, what will be the concentration be after 30 minutes? 11. The reaction 2 NO2 (g) → 2 NO(g) + O2(g), is second order with respect to...
1A. The decomposition of dinitrogen pentoxide in carbon
tetrachloride solution at 30 °C N2O5 2 NO2 + ½ O2 is first order in
N2O5 with a rate constant of 4.10×10-3 min-1. If the initial
concentration of N2O5 is 0.510 M, the concentration of N2O5 will be
M after 402 min h
1B. The gas phase decomposition of phosphine at 120 °C
PH3(g)1/4
P4(g) + 3/2 H2(g)
is first order in PH3
with a rate constant of 1.80×10-2
s-1.
If the...