The decomposition of aqueous hydrogen peroxide (H2O2) to gaseous oxygen and water is a 1st order process.  If it takes 6.0 h for the concentration of H2O2 to decrease from 0.40 M to 0.20 M, how many hours are required for the concentration to decrease from 0.70 M to 0.35 M?

Q: The radioactive decay of a certain isotope of lead is a first-order process that has a half-life of…

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Q: Decay of a pollutant is a 1st order reaction with a half-life of 55 days. How many days are needed…

A: If initial concentaration= 100 Final concentration= 100-90=10

Q: 1. The reaction SO2Cl2 (g) → SO2 (g) + Cl2 (g) is first order in SO2Cl2. Using the following kinetic…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: The gas phase decomposition of nitrogen dioxide at 383 °C NO2(g)NO(g) + ½ O2(g) is second order in…

A: The given reaction is as follows:          The value of rate constant (K) for second order can be…

Q: It has been found that DDT in the soil decomposes by a first-order reaction with a half-life of 12.0…

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Q: Dinitrogen tetraoxide, N2O4, decomposes to nitrogen dioxide, NO2, in a first-order process. If k=…

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Q: 7. If the half-life for the decomposition of a drug is 6 hours, how long will it take for 125 mg of…

A: Half life = 6 hours Initial quantity = 125 mg Quantity left after time t = 70% (125) mg

Q: Archaeologists can determine the age of artifacts made of wood or bone by measuring the amount of…

A: Given : Order: First order Half life=5730 yr Amount present=27.8% To find: Age of tool Solution:…

Q: Suppose that the half-life of steroids taken by an athlete is 42 days. If the steroids biodegrade by…

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Q: Carbon 14 which is present in all living tissue, radioactively decays via a first order process. A…

A: Given: Activity of fresh wood sample = 13.6 counts per min. Half-life of C-14 = 5720 years. And the…

Q: The decomposition reaction of A to B is a second-order reaction with a half-life of 7.93×102…

A: Second order reaction can be defined as chemical reactions wherein the sum of the exponents in the…

Q: Molecular iodine, I2(g), dissociates into iodine atoms at 625 K with a first-order rate constant of…

A: The integrated rate law for first-order reaction can be given as,

Q: Consider the following reaction A B. If the reaction is thought to be ZEROTH order, which of the…

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Q: 1.00 120. 0.91 300. 0.78 600. 0.59 1200. 0.37 1800. 0.22 2400. 0.13 3000. 0.082 3600. 0.050

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Q: The decomposition of dinitrogen pentoxide in carbon tetrachloride solution at 30 °C N2052 NO, + ½ 02…

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Q: The decomposition of N2O5 in solution in carbon tetrachloride is a first-order reaction. 2N2O5 →…

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Q: The decomposition of nitrogen dioxide gas (NO2) to nitrogen monoxide (NO) and oxygen(O2) gases is a…

A: Here decomposition of NO2 to NO and O2 gases is a second order chemical reaction. The initial…

Q: 2) A first order process has an experimentally determined rate constant of 6.0 x10 s' at 500°C. If…

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Q: A kinetics study of a reaction, A +B -C, is found to be zeroth order with respect to A and second…

A: Rate of the reaction depends on order of the reaction

Q: It is found that a gas undergoes a zero-order decomposition reaction in the presence of a nickel…

A: For a zero order reaction, the rate of the reaction is independent of the concentration of the…

Q: Calculate the rate constant (in seconds) for the decomposition of insulin if the insulin polypeptide…

A: Decomposition is a first order reaction. Half life, t1/2 = 8 min = 480 seconds  [1 minute = 60…

Q: The half life for the first order decomposition of nitromethane, CH,NO,, at 500K is 650 seconds. If…

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Q: The decomposition of N2O5 in solution in carbon tetrachloride is a first-order reaction: 2 N205 + 4…

A: Initial concentration = 0.150 M  Time given = 10 minutes = 600 s

Q: In a study of the decomposition of nitrous oxide at 565 °C N20(g)N2(g) + ½ 02(g) the concentration…

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Q: Experimental data collected for the reaction shown below indicated the reaction is zero order with…

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Q: The rate constant for first order reaction is 60/s. How much time will it take to reduce the…

A: The chemical reaction in which the rate of the reaction is dependent on the concentration of only…

Q: The gas phase decomposition of dinitrogen pentoxide at 335 K N,Os(g) 2 NO2(g) + ½ O2(g) is first…

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Q: The decomposition of an insecticide in the environment follows second order kinetics with a rate…

A: Consider the reaction 2A + B 2C.Suppose that at a particular momentduring the reaction, rate…

Q: Archaeologists can determine the age of artifacts made of wood or bone by measuring the amount of…

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Q: The decomposition of SO,Cl, is first order in SO,CI, and has a rate constant of 1.42x10-4 s-1. a) If…

A: a) Given in the question,K= 1.42 ×10-4 s-1Initial concentration of SO2Cl2, [SO2Cl2]i = 1.00MFinall…

Q: In a study of the gas phase decomposition of hydrogen iodide at 700 K HI(g) →½ H₂(g) + ½ I₂(g) the…

A: Given reaction: HI(g) → 12 H2(g) + 12 I2(g) The slope of the plot of 1/[HI] versus time in seconds…

Q: Nitrogen pentoxide decomposes by a first-order process yielding N,O4 and oxygen. 2N,05 → 2N,04 + O2…

A: The balanced chemical equation for the decomposition of N2O5 is,  2 N2O5 → 2 N2O4 + O2  The half…

Q: In a first order decomposition in which the rate constant is 0.0287 sec-1, how long will it take (in…

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Q: It has been found that DDT in the soil decomposes by a first-order reaction with a half-life of 12.0…

A: DDT decomposes following the first-order kinetics. Half-life =12.0 yr Initial concentration, [A]o…

Q: The decomposition of hydrogen iodide on a gold surface at 150 °C HI(g)% H,(g) + % »(9) is zero order…

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Q: At 25°C the rate constant for the first-order decomposition of a pesticide solution is 6.40 x 10-…

A: The concentration of the reactant at time 't' is given by,     [A]t = [A]oe-kt where, [A]o is the…

Q: The half-life for the second-order decomposition of HI is 15.4 s when the initial concentration of…

A: Given that the decomposition of HI is a second-order reaction.

Q: (Q89) The hydrolysis of sucrose to form fructose and glucose is a first order reaction that has a…

A: Initial concentration of sucrose = 0.879M Final concentration of sucrose = 0.363M Half life time =…

Q: St is very desirable that pesticides eventually decompose in the environment to give harmless…

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Q: The gas-phase decomposition of SO2Cl2 , SO2Cl2(g)→SO2(g)+Cl2(g), is first order in SO2Cl2 . At 600 K…

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Q: The decomposition of hydrogen iodide follows second order kinetics with a rate constant of 2.40x104…

A: Given :-  Reaction is second order Initial concentration = 0.0100 M  Final concentration = 0.00900 M…

Q: How much time is required (in minutes) for a reaction to be 46 % complete if it is first order…

A: The integrated rate law for a first-order reaction is given as: C=C0×(12)tt12…

Q: The half-life for the second-order decomposition of HBr is 25.0 minutes when the initial…

A: Rate law of a reaction is equal to the product of the reactants raised to some power. The sum of the…

Q: Write the expressions for the half-lives of zero-order, first-order, and second-order reactions.

A: Half-life: The half-life of a chemical reaction is the time needed for half of an initial…

Q: Archaeologists can determine the age of artifacts made of wood or bone by measuring the amount of…

A:

Q: The decomposition of N205 is a first-order reaction. If the half- life time is equal to 1114 second,…

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Q: The radioactive isotope 99mTc (used in medical stress tests) decays via gamma emission following…

A: The time taken to reach the final value can be calculated as follows : t = 2.303/K * log [A]o/[A]…