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What is the half-life of a first-order reaction if the rate constant is 6.2 x 10-3 s-1?
The elementary steps for the catalyzed decomposition of dinitrogen monoxide are shown below.N2O(g) + NO(g) ® N2(g) + NO2(g) NO2(g) ® NO(g) + 1/2 O2(g) Which of the following statements is/are CORRECT?
1.
The overall balanced reaction is N2O(g) ® N2(g) + 1/2 O2(g).
2.
NO2(g) is a catalyst for the reaction.
3.
NO(g) is a reaction intermediate.
Given the initial rate data for nitrogen monoxide and oxygen reaction,
2 NO(g) + O2(g) ® 2 NO2 (g) was measured at 25 C for various concentrations of NO and O2. Determine the rate equations from these data.
Experiment
Conc [NO] (mol/L)
Cone [O2] (mol/L)
Initial Rate (mol/L s)
1
0.020
0.010
0.028
2
0.057
3
0.040
0.114
4
0.227
5
0.014
Which statement concerning relative rates of reaction is correct for the decomposition of phosphine?
4 PH3(g) → P4(g) + 6 H2(g)
A. The rate of disappearance of PH3 is 6/4 the rate of appearance of H2 B. The rate of appearance of P4 is equal to the rate of appearance of H2. C. The rate of disappearance of PH3 is 1/4 the rate of appearance of P4. D. The rate of disappearance of PH3 is 1/4 times the rate of appearance of H2. E. The rate of appearance of H2 is 1/6 times the rate of appearance of P4
Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..
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