5. A reaction is first order overall. For a given sample, if its initial rate is...
Given the initial rate data for the reaction A+BC, determine the rate expression for the reaction. [A], M [B].M Initial rate, M/S 0.10 0.20 5.00 10.20 0.20 10.0 0.10 0.15 2.81 O rate=250[A][B] rate - 5.0[A][B] rate=250[A)? rate - 50.0[A] rate= 1250[A][B] The first-order reaction A --> B+C has a half-life of 3.00 minutes. The rate equation for this reaction is rate = 1.50 min-1[A] rate = 1.05 min [A] O rate = 4.34 min [A] rate = 0.405 min...
5. A chemical reaction of the general type A → 2B is first-order, with a rate constant of 1.52 x 10-45-1. a. Calculate the half-life of A. b. Assuming the initial concentration of A is 0.067 mol L-1, calculate the time needed for the concentration to fall to 0.010 mol L-
The CS2 reaction --> CS + S is first order and its constant of speed is 2.8 x 10^-7 s^-1 A.) What is the half-life of the reaction? B.) If the initial Sample of CS2 is 3.00 grams, how much reaction time is required for 0.50 grams of CS2 to remain? C.) After 30 days of reaction, how much CS2 is left unreacted?||
The following chemical reaction: A → products shows first order kinetics with respect to A; rate = k[A]. If k = 6.78 x 10-5 s-1 and the initial concentration of A is 0.57 mol L-1, what is the half life of this reaction in hours?
9. Given the initial rate data below, what is the rate law for the following reaction? 2CIO2(aq)2OH (aq) > CIO3 (aq) CIO2 (aq) H20 [ОН 1о (mol L) Initial rate [CIO2lo (mol L) (mol L s 0.100 0.100 0.23 0.200 0.050 0.46 0.200 0.100 0.92 b) rate k[CIO2][OH] e) rate k[CIO2]3 c) rate [CIO2]OH 12 a) rate k[CIO2][OH ] k[CIO2] [OH] = d) rate = 13I to drop to 95% of its initial value? The 10. How long does it...
For the overall reaction A+B+C products the following initial rate data were obtained: Rate, mol L-'s-1 Experiment # [A] [B]. [C]. 0.200 0.200 0.200 0.300 0.200 0.200 0.200 0.400 0.200 0.300 0.200 0.400 How many of the following statements are correct? 2.00 2.83 4.00 1) the reaction is first order in A 2) the overall reaction is second order 3) the rate of the reaction is proportional to [B]"2 4) the value of the specific rate constant, k, is 50.0...
55) The rate constant for a first-order reaction is 0.54 s-1. What is the half-life of this reaction if the initial concentration is 0.33 M? 56) The rate constant for a zero-order reaction is 0.54 s-1. What is the half-life of this reaction if the initial concentration is 0.33 M? 57) The reaction that occurs in a Breathalyzer, a device used to determine the alcohol level in a person's bloodstream, is given below. If the rate of appearance of Cr2(SO4)3...
Referen The initial concentration of the reactant in a first-order reaction A → products is 0.528 mol/L and the half-life is 27.0 s. (a) Calculate the concentration of the reactant (in mol/L) 54.0 s after initiation of the reaction. moll (b) How long (in s) would it take for the concentration of the reactant to drop to one eighth its initial value? (e) How long (ins) would it take for the concentration of the reactant to drop to 0.0330 mol/L?...
A chemical reaction of the general type: A → 2B is first-order, with a rate constant of 1.52 × 10-4 s-1. a) Calculate the half-life of A. b) Assuming the initial concentration of A is 0.067 mol L-1, calculate the time needed for the concentration to fall to 0.010 mol L-1.
23) A chemical reaction of the general type: A → 2B is first-order, with a rate constant of 1.52 × 10-4 s-1. a. Calculate the half-life of A. b. Assuming the initial concentration of A is 0.067 mol L-1, calculate the time needed for the concentration to fall to 0.010 mol L-1.