1. What is meant by the rate of reaction ? What are the units of the...
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ete reaction rate expressons for these reac roblems the reaction rate expressions for these reac- 45 Write 45 on in terms of the disappearance of the reactants tions in te and the appearance of products: (a) H2(8) 12(g)2HI(g) (b) 2H2(8) + 2( 2H20(g) 3Br2(aq) 3H20)
3. The reaction rate of the gas-phase reaction 2NO+2H2 → N2 + 2H2O was measured for several different initial pressures of the reactants. Determine the rate equation and thence the rate constant. [Hz] /mM [NO] /mM 26 20 26 d[N2]/dt /Ms? 6.17 x 10-S 1.57 x 10-5 7.59 x 10-5 1.14 104 10.1 26 26 19 28.5
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3. For the hypothetical reaction A+B → C the following rate data (with and without catalyst) were obtained: Rate, M/s Rate, M/s ALM B., Muncatalyzed) (catalyzed) 0.100 0.200 3.51 x 10 7.14 x 10 0.100 0.100 1.75 x 10 7.14 x 10 0.0500 0.200 1.76 x 10 3.57 x 10 0.0500 0.100 8.80 x 10 3.57 x 10 Based on these data: a. Determine the uncatalyzed and catalyzed rate laws for this reaction, and the corresponding rate constants. (16...
Q(1) During a chemical reaction, what defines when the concentrations of the reactants and products reach a constant level? A) Elementary process B) Rate constant C) Reversible reaction D) Equilibrium E) Rate law Q(2) Which is the correct equilibrium constant expression for the following reaction? FeO(s) + H2(g) - Fe(s) + H2O(g) A) Ke = [H2O] / [H2] B) Ke=[Fe][H2O] / [Fe2O3] [H2] C) Ke=[Fe) (H20] / [Fe2O3] D) Kc = [Hz] / [H2O] E) Ke= [Fe2O3] [H2] / [Fe][H2O]...