Consider the following mechanism for a reaction in aqueous solution and indicate species acting as a catalyst. NH2NO2+ OH- → NHNO2- + H2O NHNO2- → N2O + OH- What is the overall reaction? What substance might be added to the reaction mixture to give the catalytic activity?

Q: The reaction A + 2B → products was found to be first-order to A and first- order to B. When the…

A: We have to predict by what factor rate increases.

Q: The formation of nitryl fluoride is described by the following chemical equation: 2NO, (g)+F2 (g) →…

A: Given: The formation reaction of nitryl fluoride is as follows, 2NO2(g)+F2(g) → 2NO2F(g) The…

Q: The following enzyme-catalyzed reaction follows zero-order kinetics. When the initial concentration…

A: S ⟶ P Initial concentration of the reactant = 0.55 M Rate constant , k = 0.12 M/min Concentration of…

Q: The single reactant A decays into product P by first-order kinetics.  If A starts at an initial…

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Q: the activation energy is 139. kJ mol fro the gas phase reaction. Calculate the fraction of tthe…

A: Given that: activation energy = 139. kJ To find the the fraction of the molecules at collisions…

Q: The following enzyme-catalyzed reaction follows zero-order kinetics. When the initial concentration…

A: Interpretation-  To determine the concentration of reactant after 0.24 minute when enzyme-catalyzed…

Q: The following data are for the gas phase decomposition of dimethyl ether at 500 °C. CH30CH3(g) →…

A: ORDER OF THR REACTION CAN BE DETERMINED BY DETERMINETION OF RATE CONST VALUES AT TWO DIFEERENT TIMES…

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

A:

Q: a first order reaction has a half-life of 10 minutes. The value of the rate constant, k, for this…

A: Given 4: Half-life for 1st order reaction=10 min

Q: 4. The effect of heat on the decomposition of drug A was evaluated at two temperatures; 25 and 40°C.…

A: Given: Temperature, T1 = 250C = (25+273.15)K = 298.15 K Another temperature, T2 = 400C =…

Q: For a reaction which is zero order with respect to one reactant, plotting _______________ versus…

A: Rate for Zero order reaction Rate =K [A]

Q: Enzymes are often described as following the two-step mechanism: E + S= ES (fast) ES → E + P (slow)…

A: (a) The mechanism of reaction of enzyme action is given as, The rate law of the slow elementary…

Q: What is the concentration of the insecticide on June 1 of the following year

A: The required solution is as follows:

Q: city's water supply is contaminated with a toxin at a concentration of O0.63 mg/L. For the water to…

A: Initial concentration = 0.63 mg/L Final concentration = 1.5 x 10—3 mg/ L K = 0.27 day—1

Q: If the decomposition of reactant A follows first-order kinetics, what concentration of A remains if…

A:

Q: Which of these properties does not apply to a catalyst? a) It reduces the overall activation energy…

A: Answer is option b (It increases the number of collisions).    Catalyst will not increase the number…

Q: The single reactant A decays into product P by second-order kinetics.  If A starts at an initial…

A:

Q: The rate constant of a chemical reaction is found to triple when the temperature is raised from 24…

A: Two point Arrhenius equation is given by,                                 Where, Ea is the…

Q: In a study of the alcohol dehydrogenase cata lysed oxidation of ethanol. the molar concentration of…

A:

Q: The decomposition of a certain insecticide in water at 12 °C follows first-order kinetics with a…

A: a To find the concentration of the insectiside: Here we consider a first order reaction for which we…

Q: The uncoiling of deoxyribonucleic acid (DNA) is a first-order reaction. Its activation energy is 420…

A:

Q: Calculate the activation energy of a first-order reaction that is 20% completein 15 minutes at 40 °C…

A: It is given that a first order reaction is 20% complete at 15 minutes at 40°C and 20% complete at 3…

Q: 5. The reaction 2NO(g) + Cl2(g) → 2NOCI(g) was performed and the following data obtained: (under…

A: Answer: For every reaction, in respect to its order, there is always a certain type of…

Q: Chemical B reacts by first-order kinetics. If the initial concentration of chemical B is 1.2 M and…

A: The answer is given as follows

Q: percent of a given sample of the compound A decomposes in 60.0 min? Assume first-order kinetics. If…

A: As we know, First order kinetics λ=1tlnaoao-x=1tlnaoa Where, λ= Decay constant ao= initial…

Q: The Nobel Prize in Chemistry was awarded in 1995 to Paul Crutzen, Mario Molina and Sherwood Rowland…

A: Add both given reaction so we can get oral reaction O3+O=2O2 This is overall reaction  In this…

Q: The half-life of a first-order reaction does not depend on the initial concentration of reactant.

A: A ------ > product   For first order reaction, rate law expression is,  Rate = k[A]

Q: Consider a unimolecular elementary reaction, in which reactant [A] goes to product [P] and the rate…

A:

Q: The rate constant of a chemical reaction is found to triple when the temperature is raised from 24…

A: Given T1 = 24°C = 297K T2 = 49°C = 322K

Q: The rate constant of a chemical reaction is found to double when the temperature is raised from 25…

A: Given, Initial temperature=250C=(25+273)K                                         =298K Final…

Q: What is the half-life of a compound, A, if 75.0 percent of a given sample of the compound A…

A:

Q: The reaction A+ 2B → products was found to be first-order to A and first- order to B. When the…

A:

Q: The decomposition of a certain insecticide in water at 12 °C follows first-order kinetics with a…

A: Given:Rate constant=1.45yr-1.Initial concentration of the insecticide in the lake…

Q: A reaction is found to be second-order with respect to the only reactant. The initial rate is…

A:

Q: The uncoiling of deoxyribonucleic acid (DNA) is a first-order reaction. Its activation energy is 420…

A: Given that: At temperature, 37°C, rate constant is 4.90 × 10-4 min-1 At temperature, 39°C, rate…

Q: 4. For the acid hydrolysis of ethyl acetate, the rate constant at different temperatures is given in…

A: The data given is,

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

A: To solve this problem first we have to calculate the rate constant by using half life time  K =…

Q: A kinetic study yielded the following reaction rate data: The reaction mechanism is Experiment…

A: From the given data deduce the relationship between the rate of the reaction and the concentration…

Q: The single reactant A decays into product P by zero-order kinetics.  What was the initial…

A: Given, A ➝ P The reaction is zero order kinetics. Time (t) = 121 min Rate constant (k) = 0.0041 M…

Q: The following enzyme-catalyzed reaction follows zero-order kinetics. When the initial concentration…

A: Given- Initial concentration of the reactant[A]o  =1.82 M   Rate constant k = 1.43 M/min. Time =…

Q: Suppose the decomposition of dinitrogen monoxide proceeds by the following mechanism: step…

A: Determine the overall balanced chemical reaction: Adding the first step and second step and then…

Q: The first-order rate constant for the decomposition of a certain hormone in water at 25∘C is…

A:

Q: A certain mechanism can be represented by the following: Step 1: (CH3)3CCl (CH3)3C+ + Cl- slow…

A:

Q: What is the half-life of a compound, A, if 75.0 percent of a given sample of the compound A…

A: Given,it follows the first order kinetics. So, using the formula we can determine the required data.…

Q: For the reaction mechanism shown, identify the intermediate(s). Cl2(g) = 2C1(g) CHCI3(g) + CI(g) =…

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Q: k1 H202 + 31¯ + 2H+ →15 + 2H20 I + k2 15 + 2S20?-331¯ + S40?-

A: Order of the reaction tells about the rate of the reaction and the concentration of all the species…

Q: Determine the Activation Energy for the reaction in both Joules per mole and Kilojoules per mole…

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

Q: A gas-phase decomposition is first-order with respect to the reactant, R. If the initial…

A: Integrated rate equation for first order reaction is,   ln [ A ]t = -kt + ln [ A ]0    [ A ]0  =…

Q: The rate of most of reaction double when their temperature is raised from298k to 308k. Calculate the…

A:

Q: What is the velocity of a first-order reaction at 37°C when the reactant concentration is 6 x 102 M…

A: Ans-  D  4.8*102 M-1sec-1