3.a. the order of the reaction with respect to NO is 2. Statement is true.
b. The overall order of the reaction is 3. Statement is true.
Note that the order of the reaction depends on the slowest step.
C. Temperature of the reaction can alter the rate constant. This is given by Arrhenius equation. Statement is true.
d. If the concentration of NO is doubled, the rate of forward reaction will increase. Thus , rate constant will also increase.
3. Consider the following reaction and its rate law. Answer the following questions. 2NO(g) + O2(g)...
4. . The reaction 2NO(g) + O2(g) → 2NO2(g) has the following rate law: Rate = k[O2][NO]2 . If the concentration of NO is reduced by a factor of two, the rate will __________
Consider the following reaction: 2NO(g)+O2(g)⇌2NO2(g)2NO(g)+O2(g)⇌2NO2(g) The data in the table show the equilibrium constant for this reaction measured at several different temperatures. Temperature K 400 1.9x10^7 425 2.5x10^6 465 1.6x10^5 515 8.8x10^3 600 2.0x10^2 Use the data to find ΔrS∘ΔrS∘ for the reaction. (answer in J K-1 mol-1) The answer is NOT 158
Consider the following reaction: 2NO(g)+O2(g)→2NO2(g)2NO(g)+O2(g)→2NO2(g) Estimate ΔG∘for this reaction at each of the following temperatures and predict whether or not the reaction will be spontaneous. (Assume that ΔH∘ΔH∘ and ΔS∘ΔS∘ do not change too much within the give temperature range.) 1) 713 2) 852
Consider the following reaction: 2NO(g)+O2(g)→2NO2(g) Estimate ΔG∘ for this reaction at each of the following temperatures and predict whether or not the reaction will be spontaneous. (Assume that ΔH∘ and ΔS∘ do not change too much within the give temperature range.) ANSWER MUST BE IN kJ!! a) 722 K b) 860 K
2. (10 pts) Consider the following second-order reaction: 2NO2(g) + 2NO(g)+O2(g) The rate constant is 0.54 M-15-1, at 300 °C. How long would it take for the concentration of NO2 to decrease from 0.62M to 0.28M?
Given the reaction and following data: 2NO + O2 → 2NO2 Calculate the rate law constant and write the rate law. Trial [NO] (mol/L) [O2] (mol/L) Rate (mol/L/hr) 1 0.125 0.125 2.57 x 10-2 2 0.250 0.125 5.20 x 10-2 3 0.250 0.250 4.16 x 10-1
2NO2(g) → 2NO(g) + O2(g) Describe the reaction and the importance of the molecules involved. Describe what needs to happen on a molecular level in order for the reaction to take place.
The rate of a certain reaction is given by the following rate law: rate = k [NO]2[O2] Use this information to answer the questions below 1. What is the reaction order in NO? ________ 2. What is the reaction order in O2? __________ 3. What is overall reaction rate? __________- 4. At a certain concentration of NO and O2, the initial rate of reaction is 9.0 x 105M / s. What would the initial rate of the reaction be if...
9. The reaction 2NO +O2 → 2NO2 is believed to occur by the following mechanism: 2NO ↔ N2O2 N2O2 + O2 → 2 NO2 a. Assume N2O2 to be in a steady state and derive the rate equation for the overall reaction. b. Under what condition does the rate equation reduce to second order kinetics in NO and first order kinetics in O2 at the same time?
1) 2) 3) A proposed mechanism for the reaction 2NO(g) +2H2(g) → N2(g) + 2H2O(g): Step 1: 2NO(g) + N2O2(g) (very fast, reversible) Step 2: N2O2(g) + H2(g) N20(g) + H20(g) (slow) Step 3: N2O(g) + H2(g) →N2(g) +H2O(g) (fast) What is the rate law for the overall reaction? Ok[NO2 Ok[NO]2[H212 O k[NO]2[H2] Ok[N20][H2] k[NO]1/2[H2] 2NO(g) +Cl2 (g) → NOCI (8) Experiment concentration of NO (M) 0.09 0.045 0.045 concentration of Cl2(M) Rate (M/s) 0.01 3.40 x 10-4 8.50 x...