A first order reaction has a rate constant of 0.239 sec-1 at 25.6 oC. If the activation energy is 62 kJ, calculate the temperature in oC at which the rate constant is 0.687 sec-1. Use 1 decimal place.

Q: The rate constant, k, for a first-order reaction N2O5 → NO2 + NO3 is ,16 x 103s at 0°C. The…

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Q: The rate constant of a particular reaction increases by a factor of 8 as the temperature is…

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

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Q: N205(g) – 2 NO2(g) + 1/2 O2(g) is measured at different temperatures, with the following rate…

A: The rate of the reaction N2O5(g) → 2 NO2(g) + 1/2 O2(g)

Q: The rate constant for a first order reaction is 60 s 1. How much time willit take to reduce the…

A: Given : Rate constant = 60 s-1  Order of reaction is first order.

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: 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 a reaction, the rate constant is found to be quadruple when the temperature increases from 30C to…

A: According to Arrhenious equation,                                             rate constant of…

Q: The rate constant for a particular second-order reaction is 0.47 /(M×s). If the initial…

A: The speed, via which dissociation of reactants and formation of products occurs, is known as the…

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 decomposition of N2O5 in solution in carbon tetrachloride is a first-order reaction. 2N2O5 →…

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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: In a first-order reaction, the half-life is 137 minutes. What is the rate constant? O 1.22 x 10-4…

A: The rate constant and half life of first order reaction is related as follows - Half-life = 0.693/k

Q: At 150 degrees Celsius the decomposition of acetaldehyde CH3CHO to methane and carbon monoxide is…

A: Since the reaction is of first order, so, we can write Rate = k[CH3CHO]1 Using this equation we can…

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 rate constant for this first-order reaction is 0.0450 s-1 at 400 °C. A – products After how many…

A: Given : Rate constant = 0.0450 s-1  Order of reaction = 1 And final amount of reactant remaining =…

Q: The reaction rate constant for the first order reaction is 1.15x10-3s-1. Determine the half-life of…

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Q: At 330.OC, the rate constant for the second order decomposition of NO2 is 0.775M-1s-1 if the initial…

A: For second order reaction, the rate of reaction is - Rate = k [reactant]2

Q: The thermal decomposition of a substance is a first-order reaction with a rate constant of 2.42x…

A: Given;First order reactionk=2.42x10-4s-1⇒I think it is correct34th sample decomparet=?

Q: Khaled the chemist is studying a first-order reaction and they find that the reaction's activation…

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Q: a. A reaction is observed to proceed with a rate constant of 1000s-1at 50 ̊C. At 70 ̊C the reaction…

A: “Since there are multiple sub-parts in this question and it is not mentioned that which one has to…

Q: Calculate the final concentration for a second order reaction with a initial concentration of 0.643…

A: Second-order reaction means the rate is directly proportional to the square of the reactant…

Q: The isomerization of methyl isocyanide, CH3NC → CH3CN, follows first-order kinetics. The half-lives…

A: Given that, t1/2 at 199°C = 161 min t1/2 at 230°C = 12.5 min T1 = 199°C T2 = 230°C To calculate:…

Q: The gas-phase decomposition of (CH3)2O, (CH3)2O  CH4(g) + H2(g) + CO(g), is studied at a certain…

A: Given data Time (s) Concentration , [A]=[(CH3)2O] (M) 0 0.100 2x103 0.0358 4x103 0.0128…

Q: Nitrogen oxide decomposes by second-order kinetics at 500 oC. If the initial concentration of…

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Q: The decomposition of N2O5 in solution in carbon tetrachloride is a first-order reaction. 2N205 -…

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Q: Ca lcu late the ratio of rates of catalysed to non-catalysed reactions at 37 oC given that the…

A: From the  Arrhenius equation: k=Ae-EaRT Where, k is rate constant, A is pre-exponential factor, Ea…

Q: The rate constant for first order reaction is 60/s. How much time will it take to reduce the…

A: The chemical reaction in which the rate of the reaction is dependent on the concentration of only…

Q: . For the following consecutive first order reactions K =2.0s- K =2.0s →Y the time (in seconds)…

A: Here it is given a first order consecutive  reaction.we will find the time required for Y to reach…

Q: For a first order reaction, the concentration decreases to 30% of its initial value in 5.0 min. What…

A: Given information,

Q: The rate of the reaction N205(g) 2 NO2(g) + 1/2 02(g) is measured at different temperatures, with…

A: The activation energy is the minimum energy required for the reaction to occur Here we are required…

Q: A first-order reaction has a rate constant k = 0.0815 s-1 at a temperature of 65oC and a rate…

A: To calculate activation energy of the reaction in kJ/mole with the given rate constant at different…

Q: A first-order reaction has an activation energy of 83 kJ/mol. If the rate constant for this reaction…

A: Rate constant(K1) = 2.1 × 10-2 s-1  Activation energy = 83 KJ/mol = 83000J/mol Temperature (T1) =…

Q: A first order reaction has a rate constant of 0.803 sec-1 at 31.7 oC. If the activation energy is…

A: Given: Activation energy = 60.7 kJ Rate Constant at T1 (K1) = 0.803 s-1 Rate Constant at T2 (K2) =…

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: Molecular iodine, I2(g), dissociates into iodine atoms at 625 K with a first-order rate constant of…

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Q: One example of a first-order reaction is the isomerization of hydrogen isocyanide to hydrogen…

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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: Understanding the high-temperature formation and breakdown of the nitrogen oxides is essential for…

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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: A certain first-order reaction has a rate constant of 2.50×10−3 s^−1. How long will it take for the…

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Q: A second-order reaction has rate constants of 8.9 x 10-3 L/mol and 7.1 x 10-2 L/mol at 3°C and 35°C,…

A: Given data  Rate constant (1) = 8.9 x 10-3 l/mol Rate constant (2) = 7.1 x 10-2  l/mol Temperature…

Q: The rate constant for a second-order reaction was determined as 0.186 L mol-1 s-1. How long does it…

A: Given  Initial Concentration (A)0  =  0.0671 M  Remaining Concentration (A)  =  0.0125 M  Rate…

Q: The rate constant, k, for a first-order reaction is 1.36 x 10^3 s –1 at 90.°C and the activation…

A: Given-> K1 = 1.36 × 103 s-1    T1 = 90°C = 90 + 273 = 363 K K2 = ?                           T2 =…

Q: The thermal decomposition of HCO2H is a first order reaction with a rate constant of 2.4 × 10-3 s-1…

A: A first-order reaction is defined by saying that whose reaction rate depends only on one reactant…

Q: Gaseous NO2 decomposes by a second order process and the rate constant at 573K is 1.1x10-2 L mol-1…

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Q: A first-order reaction has a rate constant of 7.5 x 103 s. How many seconds does it take for the…

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