The reactant concentration in a first-order reaction was 7.10×10−2 M after 30.0 s and 5.60×10−3 M after 75.0 s. What is the rate constant for this reaction?

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: 8. A first order reaction has a rate constant of 7.65 x 10² s'. If the initial concentration of…

A: The rate constant for the given first order reaction is = 7.65x10-2 s-1 The initial concentration of…

Q: At a given temperature, a first-order reaction has a rate constant of 2.5 × 10–3 s–1. How long will…

A: The relationship between the concentration and time for a first order reaction is given by  ln(A0 /…

Q: The reactant concentration in a zero-order reaction was 6.00×10−2 M after 115 s and 4.00×10−2 M…

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Q: At a given temperature, a first-order reaction has a rate constant of 2.1 × 10–3 s–1. How long will…

A: Since we know that the relationship between the concentration of reactant i.e [A] and time for a…

Q: At 25°C, the half-life of a certain first-order reaction is 3300 s. What is the value of the rate…

A: Given : The half-life of the reaction= 3300 s Rate constant, k=? The given reaction is a first-order…

Q: A first-order reaction has a half-life of 11.0 seconds.  What is the value of the rate constant?  k…

A: A first-order reaction means that the rate of the reaction is directly proportional to the…

Q: What is the half-life of a first order reaction with a rate constant of 0.457 s?

A: The time required for the reactant's concentration to reach half of its initial concentration is…

Q: The reactant concentration in a second-order reaction was 0.520 M after 190 s and 4.00×10−2 M after…

A: For a 2nd order reaction, we know that the concentration and time are related as  1/[A] = 1/[A]0 +…

Q: The decomposition of N2O5 is a first-order reaction. If the half- life time is equal to 1114 second,…

A: Decomposition of N2O5 is first order reaction.. Firstly we need to calculate the rate constant from…

Q: The rate constant, k, for a first-order reaction is equal to 3.60 × 10-5 s-1. What is the half-life…

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Q: The rate constant for this first-order reaction is 0.300 s- at 400 °C. products How long, in…

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Q: A particular reactant decomposes with a half-life of 121 s when its initial concentration is 0.354…

A: we have to find out the order for the half life

Q: 3. The reaction NO,(g) + CO(g) → NO(g) + C0,(g) can be thought of as occurring in two elementary…

A: The rate determining step and molecularity of the reaction has to be determined.

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: The rate constant for this first-order reaction is 0.0275 s−1 at 300 °C. A⟶products If the initial…

A: The expression for first order rate constant is:

Q: A second-order reaction has a half-life of 12 s when the initial concentration of reactant is 0.98…

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Q: The reactant concentration in a first-order reaction was 9.80×10−2 M after 45.0 s and 9.30×10−3 M…

A: Ao = 9.8 x 10-2 M A = 9.30 x 10-3 M t =( 100-45) = 55 s

Q: A zero-order reaction has a first half-life of 964 s. What will be the value of the seventh…

A: The half-life of the reaction is the time in which the concentration of the reacting species is…

Q: The rate constant for a first-order reaction is 0.54 s¬1. What is the half-life of this reaction if…

A: • The values provided in the question are:-     i) Rate constant of a first order reaction, k1 =…

Q: A particular reactant decomposes with a half‑life of 125 s when its initial concentration is 0.295…

A: The rate constant involving half-life is given as

Q: 2- Methyl isocyanide, CH3NC, isomerizes, when heated, to give acetonitrile (methyl cyanide), CH3CN.…

A: Half life is the time required to reduce the original concentration into it's half. Half life of…

Q: Radioactive decay is a first order reaction. The specific rate constant,k, for radioactive decay of…

A: Given information: Rate constant = 0.0495/s Time = 28 s Initial amount of sample = 0.500 mg

Q: 9. The second-order reaction, 2 Mn(CO)s → Mn2(CO)10 has a rate constant equal to 3.0 x 10° M's at…

A: The integral rate equation for the 2nd order reaction is; t=1k1MnCO5t-1MnCO50

Q: At 25°C the rate constant for the first-order decomposition of a pesticide solution is 6.40 x 103…

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Q: The reaction rate constant for a particular first order reaction is .820 M/s. How many seconds will…

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Q: Give the overall reaction order that corresponds to a rate constant with each of the following…

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

Q: rate constant

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Q: A chemical reaction that is first order in X is observed to have a rate constant of 2.1 x 10^-2s^-1.…

A: Integrated rate law for the first order reaction is, ln[A] = −kt + ln[A]0Where,k is the rate…

Q: A reaction has a rate constant of k = 2.55 s¹. What is the overall reaction order?

A: Given :- rate constant (K) = 2.55 s-1  To determine :- overall reaction order

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: Q4: The rate constant for a second-order reaction is 0.13 M's'. If the initial concentration of…

A:

Q: Butadeine, C4H6, dimerizes into C8H12 in a reaction that is second order with respect to C4H6. The…

A: In chemical reaction the rate of reaction is proportional to exponents of concentration of reacting…

Q: The initial concentration of a reactant is 1.58 M for a second-order reaction. It takes 12.3 minutes…

A: The integrated rate law for second order reaction is as follows,

Q: The rate constant for this first-order reaction is 0.0251 s−1 at 300 °C. A⟶products If the initial…

A: The integrated equation for first order reaction is expressed as :

Q: Consider the reaction A + 2B à C The rate law for this reaction is second order in A and second…

A: Rate of a reaction is the speed at which the reaction proceeds or the reactants getting converted…

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

A:

Q: What is the half-life for a first order reaction if the initial concentration of reactant is 1.25M…

A: Given that it is a first-order reaction. Initial concentration [Co]= 1.25M Final concentration[C] =…

Q: The rate constant for a second-order reaction is 0.13 M 's1lf the initial concentration of reactant…

A: Given: Rate constant=k=0.13 M-1s-1Initial concentration=[A]o=0.26 mol/LFinal concentration=[A]t=0.19…

Q: The rate constant for this first‑order reaction is 0.910 s−1 at 400 ∘C.   A⟶products How long, in…

A: First-order reaction: The rate of the first-order reaction depends only on one reactant. According…

Q: What is the half-life for a particular reaction if the rate law is rate = (1201 min1)[A]? min 1 C 7…

A:

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: (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: The rate constant for a particular zero-order reaction is 0.075 M s1 If the initial concentration of…

A: Detail mathematical calculation to find out the value of time for given zero order reaction is shown…

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: A first order reaction has a half life 445.44 seconds. What is the rate constant in reciprocal…

A: The half-life of the first order reaction is 445.44 seconds. The half-life and rate constant are…

Q: The rate constant for this first‑order reaction is 0.380 s−1 at 400 ∘C. A⟶products How long, in…

A: For First order reactions , time can be calculated as : where k = rate constant           Ao=…

Q: The first-order decomposition of cyclopropane has a rate constant of 6.7 x 104 s1. If the initial…

A: Integrated rate equation for a first order reaction is:ln[A]o[A]=kt…

Q: The rate constant for a second order reaction is 3.33×10² L mol's. The initial concentration of the…

A: Given data:  Rate constant K = 3.33×10-2 L mol-1s-1 Initial concentration A0=0.5 mol/L