#125 Write the balanced chemical equation for the second step
Write the balanced chemical equation for the second step - Inorganic Chemistry
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Consider the reactionNO2 (g) + CO(g) CO2 (E) + NO(g)
for which the rate equation has been shown by experiment to be
Rate = k[NO2]2
The first step of the two-step reaction is the rate-determining step. The equation for this step is
NO2 (g) + NO2 (g) -> NO2 (g) + NO(g)
(a) Write the balanced chemical equation for the second step, which completes the reaction
(b) The table below gives the kinetic data for the above reaction at a constant temperature
Determine the values of x and y in the table. Show detailed workings.
8. The rate of consumption of B in the reaction A + 3B C +2E is 2.0 mol.dm =3.s=1
(i) Determine the rate of the reaction. Show detailed workings.
(ii) Determine the rates of formation and consumption of A, C and E. Show detailed workings.
9. A certain reaction has a rate law of the form: v = k[A]*[B] )
(i) If tripling the initial concentration of reactant A multiplies the initial rate by 27, calculate the order of the reaction with respect to A. i.e. solve for x. Show detailed workings.
(ii) Determine the overall order of the reaction Show how the answer was obtained
10. Consider the reaction showing the decomposition of C2 H5 Cl(g)
C2H5Cl(g) -> C2H4(g) + HCl(g)
The above reaction follows first-order kinetics with respect to C2H5Cl. The rate constant is
1.60 x 10-6-1 for the reaction conducted at 650 K. In an investigation of the decomposition of
C2 H5 Cl (g) it was found that it takes 87.0 hrs for the concentration of C2 H5 Cl to drop to 0.100 mol L -1
(a) Calculate the initial concentration of C2H5Cl. Show detailed workings
(b) Calculate the concentration of C2H5Cl after 125 hrs. Show detailed workings
(c) Calculate the time in hrs) that it will take for 75.0% of the C2H5Cl to decompose. Show detailed workings.
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