A particular reactant decomposes with a half-life of 145 s when its initial concentration is 0.268 M. The same reactant decomposes with a half-life of 231 s when its initial concentration is 0.168 M. Determine the reaction order. What is the value and units of the rate constant for this reaction?

Q: Consider the mechanism. Step 1: 2A B+C slow Step 2: B +C → E fast Overall: 2 A → E Determine the…

A: Given  Step 1     2A  -------> B + C             ( Slow step )  step 2    B + C   ----->  E…

Q: Derive the half-life equation for a second-order reaction. What is the half-life for the…

A: k = 8.84 L mol-1 s-1 initial concentration = 99.8 mol/L.

Q: Derive the half-life equation for a second-order reaction. What is the half-life for the…

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Q: Determine the order of this reaction, the rate constant, and the first half life.

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A: Interpretation -  To tell about the order of the reaction with respect to that reactant when…

Q: Radioactive decay is a process that follows first-order kinetics. The half-life of 24Na is 0.001712…

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Q: The half life of a first order reaction is 28 second.what is its rate constant?

A: Half life (t1/2) :- " The time required for half of the reactants to convert into products is called…

Q: A particular reactant decomposes with a half‑life of 165 s when its initial concentration is 0.340…

A: Given: The half-life of 0.340 M reactant is 165 s. The half-life of 0.268 M reactant is 209 s. To…

Q: Given that a reaction is a zero order process, determine the time in minutes for 4.88 M of a…

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Q: 10. 0.287 M 20. 0.189 M 30. 0.141 M 40. 0.112 M Use this data to answer the following questions.…

A: reaction : 2[SO3]→2SO2+O2 rate of a reaction : rate=k[r]a where k is rate constant  a is order of…

Q: The radioactive decay of a certain isotope is A first-order process that has a half-life of 242…

A: Given data First order process for decay of isotope. half life : t1/2=242 min Time : t=45 min

Q: The rate constant for a certain first order reaction is increased by 3 times when the temperature is…

A: The activation energy can be defined as the minimum amount of energy that reactants must possess to…

Q: If concentration is in mol/L and time is in seconds, what will be the units of the rate constant k…

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Q: The rate of a reaction is quadrupled when the concentration of one reactant is quadrupled. What is…

A: The question is based on the concept of chemical kinetics. In involves calculation of order of the…

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

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Q: Derive the half-life equation for a second-order reaction. What is the half-life for the…

A: A second order reaction is kinetic reaction where the rate of reaction is dependant on the…

Q: Determine the half-life of the reaction in seconds if the initial concentration of drug A is 0.208 M…

A: Given :- initial concentration [A]o = 0.208 M                Rate constant (K) = 0.056 M/s  To be…

Q: Given that a reaction is a second order process, determine the time in minutes for 3.323 M of a…

A: Given:Reaction is second order reaction.Let the reaction be: 2A→ P.Initial concentration [A0] =…

Q: Given that a reaction is a first order process, determine the time in minutes for 3.83643 M of a…

A: Given, The initial amount of the reactant is 3.83643 M.Remaining amount is 0.03796 M.Rate constant…

Q: Derive the half-life equation for a second-order reaction. What is the half-life for the…

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Q: certain substance, initially at 0.10 M in solution, decomposes by second-order kinetics. If the rate…

A: The question is based on the concept of chemical kinetics. it talks of second order reaction for…

Q: he half-life, t2, of a chemical reaction is proportional to the initial concentration of the…

A: Half Life (t1/2):

Q: The table contins concentration data and the initial rate data for the reaction 2NO(g) + H₂(g) →…

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Q: In a first order reaction, the concentration of the reactant decays to its half in 10 minutes.…

A: The half-life of a first-order reaction can be determined by using the following formula: t12 =…

Q: Derive the half-life equation for a zero-order reaction. What is the half-life for the decomposition…

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Q: For a reaction: , [A]0 = 4.2 M, and the first two half-lives are 56 and 28 minutes, respectively.…

A: Given : [A]0 = 4.2 M First half life of reaction = 56 min. And second half life = 28 mins.

Q: Consider the mechanism. Step 1: 2 A B+ C slow Step 2: B +C E fast Overall: 2A E Determine the rate…

A: STEP 1   :     2A ------> B + C  ....................SLOW  STEP 2   :   B + C ------->…

Q: Determine the reaction order, the rate constant, and the units of the rate constant. order = (units)…

A: From the graph of [A] vs t, it is seen that it is a zero order reaction.

Q: A reactant decomposes with a half-life of 179 s when its initial concentration is 0.3140 M. When the…

A: For the same reactant, the half life remains constant with decrease in concentration of the…

Q: A particular reactant decomposes with a half‑life of 163 s when its initial concentration is 0.281…

A: Half-life time defines the state at which any reaction gets completed by 50%. It is the required…

Q: A reactant decomposes with a half-life of 15.9 s when its initial concentration is 0.176 M. When the…

A: Given: Half-life of reactant is 15.9 s when the initial concentration is 0.176 M. Half-life of…

Q: The half-life for the decay of radium is 1620 years. What is the rate constant for this first-order…

A: The half-life of a reaction, t1/2, is defined as the amount of time required for a reactant…

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Q: A particular reactant decomposes with a half-life of 123 s when its initial concentration is 0.380M.…

A: The given reaction’s half-life depends upon initial concentration. Hence, this reaction cannot be…

Q: What is the overall order of a reaction that uses the reciprocals of the concentrations in the…

A: Since we know that, for different order of reactions, the relationship between the concentration of…

Q: Given the image, what is the rate law of the reaction.

A: Let the rate law of the reaction be: Rate=k[NO2]a[O3]b                     ...... (1) Putting the…

Q: The initial rate of the reaction is determined for different initial conditions, with the results…

A: Rate of reaction depand concentration of reactants and products. Order of reaction depand…

Q: A particular reactant decomposes with a half‑life of 151 s when its initial concentration is 0.385…

A: By hit and trail method assume that the given rection is of second order.  The rate constant value…

Q: At 518 °C, the half-life for the decomposition of a sample of gaseous acetaldehyde, initially at 363…

A: In chemical kinetics rate of reaction and its variation with any factors is studied. Various factors…

Q: Consider the mechanism. Step 1: 2 A → B + C slow Step 2: B +C → E fast Overall: 2 A → E Determine…

A: A question based on kinetics of reactions in solution that is to be accomplished.

Q: The following data is given for a reaction A → products. Find the order of this reaction and its…

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Q: A certain substance, initially present at 0.500 M, decomposes by second-order kinetics with a rate…

A: Rate constant (k)= 4.0×10-1 L/mol.min Initial concentration (Ao) =0.500 M Concentration after time t…

Q: A particular reactant decomposes with a half-life of 157 s when its initial concentration is 0.338…

A: Given datas ;  In first case , t1/2 = 157 s  [A]0 = 0.338 M  Let us assuming the second order of the…

Q: What does the term  half-life  mean? Write the expressions for the half-lives of zero-order,…

A: Half-life is the time period during which element losses half of its total initial amount. For the…

Q: A reactant decomposes with a half-life of 179 s when its initial concentration is 0.247 M. When the…

A: Given : Half life of reaction with 0.247 M initial concentration of reactant = 179 s And half life…

Q: Radioactive decay of unstable atomic nuclei is at first order process. The half-life for the…

A: Given: Amount of C-14 remaining in the wood = 87 % of the initial amount (as the initial amount is…

Q: The following data was obtained from the reaction:  (a) Determine the rate law.     (b) Calculate…

A: Rate can be expressed as:-  Rate = K [NO2 - ]n[NH4 +]m Where n and m is order of reaction.