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The experimental data for a Zero order chemical reaction at 25°C is plotted graphically with the...
Compare and contrast how first-order reaction kinetics and zero-order reaction kinetics differ in terms of the depletion of a reactant A in a chemical reaction. Assume an initial concentration of 420 mg of A. Assume a half-life of 30 minutes if first-order kinetics are obeyed, and a depletion rate of 60 mg/hour if zero-order kinetics are obeyed. Use a clearly drawn graph(s) to determine which rate will result in complete depletion of A over the shortest time. Assume 99% to...
A zero-order reaction (A rightarrow B) is known to be 40% complete after 30 minutes in a batch reactor. How long is required to achieve 95% completion? Assume the initial concentration of the reactant is 100 mg/L.
please help me with both. TIA The following chemical reaction: A → products shows zero order kinetics with respect to A; rate = k[A]º. if k = 9.65 x 10-3 moll's and the initial concentration of A is 0.622 mol L-1, what is the half life of this reaction in minutes? You have 5 attempts at this question. Remember: if you want to express an answer in scientific notation, use the letter "E". For example "4.32 x 104 should be...
Whole page please 81 What data should be plotted to show that experimental concentration data fits a second- order reaction? ANSWER: A) 1/(reactant) vs. time B) [reactant) vs. time C) In[reactant) vs. time C) In(k) vs. 1/T E) In(k) vs. Ea 9) Given the following rate law, how does the rate of reaction change if the concentration of Y is doubled? Rate = k [X]2[M3 ANSWER: 10) A reaction is followed and found to have a rate constant of 3.36...
A reaction: A. has been studied at 25°C. Shown below are the experimental data. 1.04 0.667 0.565 These data are plotted three different ways, below, as [A] vs t, In[A] vs t and 1/[A] vs t. Use this information to calculate a value for the rate constant, k, and the initial concentration of A, [Alo to 3 significant figures ime () ime(s time (s) Submit Answer Incorrect. Tries 1/2 Previous Tries [A]0 (M) = Submit Answer Tries 0/2
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-
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.
Dr. Raphael Shell created a concentration vs time graph for the following chemical reaction: 2 AB2 〓 4 B + 2 A. He observed that it took one hour to complete the first half-life, 30 min to complete its second half-life and 15 minutes to complete the third half-life. Also, doubling or tripling the concentration of the reactant shows no effect on the rate of reaction.a) Determine the (general or incomplete) RATE LAW for this reaction based on the information provided above. b) Using...
both question are about zero and second order reaction rear, of 50The decomposition of R at 33°C is a zero-order reac- tion. It takes 128 minutes to decompose 41.0% of an intial mass of 739 mg at 33°C. At 33°C, (a) what is k? (b) what is the half-life of 739 mg? (c) what is the rate of decomposition for 739 mg? (d) what is the rate of decomposition if one starts with n an initial amount of 1.25 g?...