The thermal decomposition of a substance is a first-order reaction with a rate constant of 2.42x 106-4 s^-1 at given temperature How long will it take (in seconds) for 3/4 of a ample to decompose

Q: The reactant concentration in a zero-order reaction was 7.00x10-2 M after 185 s and 2.00×10-2 Mafter…

A: For zero order reaction, the rate constant is calculated by using formula -dAdt=k where d[A] =…

Q: Under certain conditions the decomposition of dinitrogen pentoxide ( N2O5 ) on a metal surface gives…

A: Chemical kinetics is branch of chemistry that deals with rates of chemical reactions

Q: A reaction is found to have an activation energy of 38.0 kJ/mol. If the rate constant for this…

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Q: In the first-order decomposition of N2H4 at 740 K, it is found that 30.0% of a sample has decomposed…

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Q: What is the half-life of a first-order reaction with a rate constant of 7.40×10−4  s−1?

A: Given that,  Rate constant for a first order reaction K = 7.40×10-4 s-1 half life time period for…

Q: The decomposition of ammonia on a tungsten surface at 1100 °C NH, 1/2 N, + 3/2 H2 is zero order in…

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Q: The decomposition of an unknown compound, XY, is second order in XY and has a rate constant of 7.02…

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Q: A first order reaction has a half-life of 829 seconds at 25oC. How long (in seconds) does it take…

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Q: What is the value of the rate constant k for a first order reaction, if the reactant concentration…

A: We have to predict the value of rate constant.

Q: The reactant concentration in a first-order reaction was 6.80×10-2 M after 25.0 s and 2.10×10-3…

A: First order kinetic reaction are those in which the rate is direcdirectly proportional to the…

Q: The rate constant for this second‑order reaction is 0.540 M−1⋅s−1 at 300 ∘C.   A⟶products How…

A: Given: Reaction is second order. Rate constant of the reaction = 0.540 M-1s-1. And the concentration…

Q: how much time is required for 50% of the initial quantity of reactant to be consumed?

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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: After 55.0 min, 11.0% of a compound has decomposed. What is the half‑life of this reaction assuming…

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Q: The rate constant for a first order reaction is 0.0640 1/s. What is the half-life for this reaction?

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Q: The reactant concentration in a first-order reaction was 7.10×10−2 M after 30.0 s and 5.60×10−3 M…

A: The equation for first order reaction is, A - concentration at time t Ao – initial concentration k…

Q: The rate constant for the breakdown of an isotope of iodine is first order and has a half-life of…

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Q: The decomposition of A to B is a first-order reaction with a half-life of 13.1 min: A → 2B If the…

A: Given : The reaction is a first order reaction. Half life of reaction = 13.1 min Initial…

Q: Chlorine dioxide (CIO2) decomposes in a first-order reaction with a rate constant of .0714s-1. If…

A: Since for any first order reaction, the relationship between the concentration and time is given by…

Q: Derive the kinetic rate equation for 1st order opposed by 1st order reaction when the initial…

A: To derive the kinetic rate equation for 1st order opposed by 1st order reaction when the initial…

Q: The rate constant for this zero-order reaction is 0.0190 M · sl at 300 °C. A products How long (in…

A: For zero order reaction,   Where, [A]t = 0.940 M [A]0 = 0.290 M     k = 0.0190 M.s-1

Q: A particular reactant decomposes with a half‑life of 155 s155 s when its initial concentration is…

A: For the same reactant, if the half life increases with the decrease in the concentration then it…

Q: A second-order reaction has a half-life of 10 s when the initial concentration of reactant is 0.99…

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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: Derive an expression for the half-life of a second-order reaction in terms of the rate constant k.

A: The time in which half of the reactant gets decomposed is known as half life time of the reaction…

Q: A certain substance, initially present at 0.950 M, decomposes by first-order kinetics with a rate…

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Q: A certain first order reaction has a rate constant of 1.0 x 10-3s-1at 250C. If the reaction rate…

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Q: A biochemist studying the breakdown of the insecticide DDT finds that it decomposes by a first-…

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Q: The rate constant for this first‑order reaction is 0.0130 s−1 at 400 ∘C.   A⟶products After how…

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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: At 378.5oC, the half-life for the first order thermal decomposition of ethylene oxide is 363 min,…

A: The half-life of a reaction is the time taken for the reactant to reduce to half its initial value…

Q: The rate constant for this second‑order reaction is 0.570 M−1⋅s−1 at 300 ∘C. A⟶products How long, in…

A: Given, The rate constant, K = 0.570 M-1S-1 Initial concentration, [A]0 = 0.820 M Final…

Q: The decomposition of hydrogen peroxide is considered to be a first order reaction.  The rate…

A: Given: The rate constant = 6.40 × 10-5 s-1 The initial concentration of H2O2 = 0.30 M

Q: The reactant concentration in a second-order reaction was 0.230 MM after 230 s and 4.20×10−2 MM…

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Q: How might you experimentally distinguish between a first-order and second-order kinetic reaction?

A: reaction order must be determined experimentally. follow the reaction by making measurement of the…

Q: For the zero-order decomposition of ammonia on tungsten NH3(g)-->1/2N2(g)+3/2H2(g) the rate…

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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: The rate constant for this zero‑order reaction is 0.0300 M·s−1 at 300 ∘C.   A⟶products How long…

A: Given: The rate constant = 0.0300 M s-1 The initial concentration = 0.760 M The final concentration…

Q: It took 774.7 s for 42.04% of a substance to react according to first-order kinetics. What is the…

A: K = 2.303/t log (a/(a-x)) where K = first order rate constant = ? s-1 t = time taken = 774.7 s a =…

Q: The first-order rate constant for reaction of a particular organic compound with water varies with…

A: Activation energy :  This is the minimum kinetic energy required for a chemical energy. It is…

Q: The rate constant for the first-order conversion of A to B is 3.33 hr-1. How much time will be…

A: Given K(rate constant) = 3.33/hr Time required for reaching 75% of original value=?

Q: The reactant concentration in a second-order reaction was 0.230 M after 230 s and 4.20×10−2 M after…

A: The rate law for a second order reaction is given below,

Q: A first-order decomposition reaction has a rate constant of 0.00520 yr−1. How long does it take for…

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Q: Calculate the half life, in minutes, for a second order reaction with an initial concentration of…

A: • The values provided in the question are:-      i) Initial concentration of reactant, A0 = 0.45 M…

Q: A certain first-order reaction has a rate constant of 1.60×10−3 s−1. How long will it take for the…

A: Use integrated first order rate equation for the calculation of the time required for the above…

Q: What is the half-life of a first-order reaction with a rate constant of 7.70×10−4 s^−1?

A: Given: Order of reaction = 1 And rate constant of the reaction = 7.70 X 10-4 s-1.

Q: The half-life of a first-order reaction is found to be 28.25 min.What is the value of the rate…

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Q: A reaction is found to be first-order with a rate constant of 0.0525 s–1. If the reaction initially…

A: To solve this question, use the integrated equation for first order reaction and find out the time…