The catalytic destruction of ozone occurs via a two-step mechanism, where X can be any of several species:   (1) X + O3  →  XO + O2 [slow]   (2) XO + O  →  X + O2 [fast]

Q: 14) Dilute hydrogen peroxide in water, 3% (mass/mass), is sold over the counter to sterilize wounds.…

A: 14. Half-life of a reaction is the time in which half of the reaction completes. This means that the…

Q: How many half-lives are required for the concentration of reactant to decrease to 1.56% of its…

A: Given data ;  Concentration is decreased to 1.56 %. It means that 0.0156 of [A0] is decomposed.…

Q: Scientists working in Lake Istokpoga calculating half-lives of pollutants called volatile organic…

A: The half life (t1/2) of zero order reaction is given by the formula  t1/2 = [R]o / 2K [R]o = Initial…

Q: Two gases X and Y are found in the atmosphere in only trace amounts because they decompose quickly.…

A: Given, held life of X is 1.5 h and y is 135 min  Partial pressure of X is 75% greater than Y

Q: The activation energy of an uncatalyzed reaction is 95 kj/mol. The addition of a catalyst lowers the…

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Q: onsider the following mechanism for the reaction between nitric oxide and ozone: O3(g) + NO(g) →…

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Q: In the nuclear industry, chlorune triflouride is used to prepare uranum hexaflouride, a volatle…

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Q: Express the rate of the following reaction in terms of the formation of ammonia :N2(g) + 3H2(g) →…

A: As per kinetics, we will write the rate of the reaction for the formation of ammonia and make sure…

Q: The production of nitric oxide is governed by the reaction:   4 NH3(g) + 5 O2(g) → 4 NO(g) + 6…

A: From the given reaction, we can write :  -1/4.d[NH3]/dt = -1/5.d[O2]/dt = 1/4.d[NO]/dt =…

Q: Consider the following mechanism; Write the overall balanced chemical equation and identify any…

A: The mechanism for the reaction :  O3 ----> O2 + O    (fast)  O3 + O ----> 2O2  (slow)  Overall…

Q: The Arrhenius parameters for the gas-phase decomposition of cyclobutane, C4H8(g) → 2 C2H4(g), are A…

A: Concept introduction: Arrhenius equation: Half life: It is the time required to complete the…

Q: Iodic Table Environmental scientists calculating pollutant half-lives often define a transport rate…

A: Rate of a reaction determines the speed with which a reaction proceeds. First order reaction is a…

Q: The reaction A + 2B – 20 was studied and the following data were obtained: [A]o (mol/L) [B]o (mol/L)…

A: Answer is explained below.

Q: The first three half-lives of a chemical reaction are as follows: 44min, 22 min, 11min. What is the…

A: Below attached file showing the details answer.  All the best .

Q: The decomposition of phosphine, PH3, proceeds according to the equationIt is found that the reaction…

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Q: A particular reactant decomposes with a half-life of 133 s when its initial concentration is 0.395…

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Q: 3. The questions that follow pertain to the following unbalanced reaction: N2O5(g) → NO2(g) + O2(g)…

A: The given (unbalanced) reaction is as follows: N2O5(g) → NO2(g)+O2(g) The balanced reaction is…

Q: The decomposition of hydrogen peroxide in the presence of iodide ions is believed to occur via the…

A: Given chemical equations are: H2O2(aq) + I-(aq) → H2O(l) + IO-(aq)H2O2(aq) + IO-(aq) → H2O(l) +…

Q: The half-life of the radioactive element plutonium-239 is 25,000 years. If 16 grams of plutonium-239…

A: Rate of a reaction determines the speed with which a reaction proceeds. First order reaction is a…

Q: What is the rate law for the reaction A → B if the rate constant, k, is 0.25 M⁻¹ s⁻¹ at 75°C?

A: Given  K = 0.25 M-1 s-1

Q: A possible reaction for the degradation of the pesticide DDT to a less harmful compound was…

A: Consider the given information is as follows; Order of the reaction = 1 (First order)         Rate…

Q: Write the reaction rate expressions for the reaction below in terms of the disappearance of the…

A: The rate of the formation of the product or the rate of disappearance of the reactants is known as…

Q: cientists working in Lake Tohopekaliga calculating half-lives of pollutants called volatile organic…

A: Given: The half-life of the process = 13.0 days. The concentration of the pollutant = 0.640 M It is…

Q: The decomposition of ethane, C2H6, to methyl radicals has a rate constant of 5.36 x 104 per second…

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Q: HW - CH 17 Phosphine, PH3(8) decomposes according to the equation 4 PH3(g) → P4(8) + 6 H2(g). The…

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Q: The decomposition of hydrogen peroxide is catalyzed by iodide ion. The catalyzed reaction is thought…

A: Step 1 (a) The overall chemical reaction is written below by adding the given two reactions.

Q: Scientists working in Lake Kissimmee calculating half-lives of pollutants called volatile organic…

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Q: In a study of the decomposition of nitrous oxide at 565 °C N2O(g)N2(g) + ½ O2(g) the following…

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Q: 48. The decomposition of dimethylether at 504 deg C is first order with a half-life of 1570 seconds.…

A: According to the radioactive decay, the rate equation is : Kt = 2.303 log [A 0] / [At ] Where K =…

Q: Two gases X and Y are found in the atmosphere in only trace amounts because they decompose quickly.…

A: Yes, The gases are being decomposed, so their partial pressure is decreasing. The partial pressure…

Q: NO + O3 > NO2 + O2, k=3.22x1017 cm² s' and [NO]=1.477×10" molecules cm³, what is the half-life of O3…

A: The half-life of a reaction is the time taken by the concentration of the sample to reduce to 50%.…

Q: 0.1 M of a material has a decomposition rate constant (k) of 2.46×105 M-1 s-1. What equation would…

A: Given, [A]o = 0.1 M  K = 2.46 x 105 M-1 S-1  Formula used : t1/2 = 1/K [A]o

Q: the half-life of radium 226 is 1620 years. how many hours will it take for a 5g sample to decay to…

A: The radioactive decay is a first order reaction. Since we know that the relationship between the…

Q: Radioactive gold-198 is used in the diagnosis of liver problems. The half-life of this isotope is…

A: Radioactive gold-198 is used in the diagnosis of liver problems. t1/2 = 2.7 days m0 = 5.6 mg How…

Q: 6.17 The elimination of carbon dioxide from pyruvate ions by a decarboxylase enzyme was monitored by…

A: Given: Initial concentration of pyruvate ions in 100 mL is 3.23 mmol/L Pressure of carbon dioxide =…

Q: Consider the reaction: 4PH3 → P4 + 6H, Suppose that, at a particular moment during the reaction,…

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Q: Organic compounds that contain large proportions of nitrogen and oxygen tend to be unstable and are…

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Q: Two gases .I' and I are found in the atmosphere in only trace amounts because they decompose…

A: Solutions  A)  yes B)  4.7 hours

Q: In a study of the conversion of methyl isonitrile to acetonitrile in the gas phase at 250 °C…

A: Since the graph of ln[CH3CN] versus time in seconds comes to be a straight line, the reaction is…

Q: Two gases X and Y are found in the atmosphere in only trace amounts because they decompose quickly.…

A: As both the gas decomposes, the partial pressure also decreases. The reason is the partial pressure…

Q: (a) Explain the following terms :(i) Rate of a reaction(ii) Activation energy of a reaction (b) The…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 3. The thermal decomposition of ammonia at high temperatures was studied. The data below were…

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Q: half-life

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Q: A possible reaction for the degradation of the pesticide DDT to a less harmful compound was…

A: In the given question we have to calculate the half-life for the degradation of DDT in years. Given…

Q: In a study of the decomposition of hydrogen iodide on a gold surface at 150 °CHI(g)½ H2(g) + ½…

A: Since your question has multiple sub-parts, we will answer the first three sub-parts for you. If you…

Q: This reaction plays a significant role in the chemistry of the earth's atmosphere by eventually…

A: Arrhenius equation can be expressed mathematically as ln K =-EaRTFor a certain reaction at two…

Q: Part A The half-life for the radioactive decay of U – 238 is 4.5 billion years and is independent of…

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