A second-order reaction has a rate constant of 7.7 x 10- /(M s) at 30.°C. At 40.°C, the rate constant is 2.6 x 10 (M s). What are the activation energy and frequency factor for this reaction? Predict the value of the rate constant at 45°C. Activation energy = KJ/mol Frequency factor - (M s) Rate constant = /(M s)

Q: For a certain first-order reaction A-B, the concentration of A after 20 minutes is 75% of the…

A: Time taken = t = 20 minutes. Let initial concentration  = a0 =   x  But final concentration is 75%…

Q: A first-order reaction has rate constants of 4.6 x 10 2 s1 and 9.3 x 10 2 sl at 0°C and 20.°C,…

A:

Q: y= -3,579 x + 14.326 What is the Activation Energy (in Joules/mol) for this reaction at 30 oC? Do…

A: Acc to arrhenius equationK = A × e-EaR×Tln K = - EaR× T + ln AY = m× x  + c where ,  m =- EaR ,…

Q: A particular reaction is found to have a rate constant of 8.10×10-3 s-1 at 253 °C and 1.60 s-1 at…

A:

Q: The rate constant of a reaction increases by a factor of 1.41 when the temperature is increased from…

A: The Arrhenius equation can be rewrite for comparing the rate constant at two different temperatures.…

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

A:

Q: A first-order reaction has rate constants of 4.6 x 10-2 s-1 and 5.6 x 10-2 s-1 at 0°C and 20.°C,…

A:

Q: A certain first-order reaction is 65.5 percent complete in 7.90 min at 25°C. What is its rate…

A: Given data: t = 7.90min The reaction is completed 65.5% Let the initial concentration of [A] is 100…

Q: The decomposition of HI -> H_2 + I_2 at 508 degrees C has a half-life of 135 min when the initial…

A: Given data,t1/21=135min pressure(P1o)=0.1atmpressure(P2o)=1atmt1/22=13.5min

Q: The rate constant for a first order reaction is 1.72 x 10^-4 s^-1 at 113°C. What is the activation…

A:

Q: Part A The reactant concentration in a zero-order reaction was 6.00×10-2 Mafter 115 s and 4.00×10-2…

A: Since the relationship between the concentration of reactant at time t i.e [A] and time is given by…

Q: The rate constant of a chemical reaction increased from 0.217 s^-1 to 5.61 s^-1 after raising the…

A: We have to calculate the activation energy for given condition.

Q: what will be the concentration after 45 seconds?

A:

Q: A certain first-order reaction has a rate constant of -3.-1 1.0 X 10 s at 25 °C. (a) If the reaction…

A: The rate constant of reaction at different temperature is related to temperature and activation…

Q: Consider a first order reaction: A --> B If the initial concentration of A is O.75 M and the rate…

A: For a first order reaction, the half life is calculated using the formula, t1/2 = 0.693/k; where k…

Q: A first order reaction has a rate constant of 1.3x10-8s-1.How long in minutes will it take for the…

A: Given, first order rate constant k = 1.3 x 10-8 s-1            Initial concentration = 0.8 M…

Q: For the first-order reaction 1/2 N204 -> NO₂(g); AH = 28.6 kJ the rate constant is k= 3.24 x 10^5…

A: Recall the data, Activation energy Ea=53.7 KJ mol-1=53700 J mol-1 T1=(-7+273)K=266 K…

Q: The rate constant for the second order reaction 2 NO2 - 2 NO + 02 is 0.24 M's. If a 1.38 M sample of…

A:

Q: A first order reaction has a rate constant of 7.65 x 10-2 s-1.   If the initial concentration of…

A: Given: The rate constant for the first-order reaction, k= 7.65 x 10-2 s-1 The initial concentration…

Q: rate

A:

Q: A first order reaction has a rate constant of 0.239 sec-1 at 25.6 oC. If the activation energy is 62…

A: Ea = activation energyA = pre-exponential factor,R = gas constant,T = absolute temperaturek =…

Q: What is the rate constant at 56°C?

A:

Q: In a series of experiments on the decomposition of dinitrogen pentoxide, N2O5, rate constants were…

A: We have to determine activation energy and rate constant at 75oC

Q: A second order reaction whose rate constant at 800 °C was found to be 5.0 x 10* L mol s' has an…

A: Given K1 = 5.0×10-3 L/mol.s T1 = 800°C T2 = 875°C Activation energy (Ea) = 45 kJ

Q: A student collected conducted 6 kinetics experiments for one reaction by  holding the concentrations…

A:

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: A first-order reaction has rate constant of 4.39 x 10 -3 s−1 at 25 ∘C. What fraction of the…

A:

Q: The rate constant for a certain reaction is 0.54/M.sec at 300 oC. How long, in seconds, would it…

A:

Q: The first-order reaction X → Y has a rate constant of 0.00220 s-1.  The starting concentration of X…

A: Use formula for 1st order reaction and put the given data in this.

Q: A first-order reaction has a rate constant of 1.10 x 10-4 s-1 at 470°C and 5.70 x 10-4 s-1 at 500°C.…

A:

Q: The kinetics of this reactant were studied as a function of temperature. (The reaction is first…

A: The rate is directly proportional to the square of reactant concentration is known as second order…

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 given first-order reaction A - B, has a rate constant of 1.60 x 102 s1 at 165°C and 6.54 x 10 at…

A: Activation energy can be calculated as follows

Q: Here we compare the first order and second order reaction based on Integrative rate laws. Reaction…

A: The above example properly discusses the dependence of time needed for a reaction to complete, on…

Q: At a certain temperature, this reaction follows second-order kinetics with a rate constant of…

A: 2HI (g) ------> H2 (g)+ I2 (g) Reaction follows 2nd order kinetics. Rate constant, k = 0.372…

Q: A particular reaction is found to have a rate constant of 9.30×10-3 s-1 at 385 °C and 6.60 s-1 at…

A:

Q: 3. (a) Consider the first order reaction, A ---->  products , which has a rate constant, k = 2.95 X…

A:

Q: [References] In a series of experiments on the decomposition of dinitrogen pentoxide, " N2O5, rate…

A:

Q: A reaction is second order with respect to reactant "A" and has a rate constant of 2.97 x 10-2…

A:

Q: a given temperature, a first-order reaction has a rate constant of 1.5 × 10–3 s–1. What is the time…

A: Given : Rate constant =  1.5 × 10–3 s–1

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: A second order reaction has a rate constant of 8.7x10-4/(M·s) at 30°C. At (4.50x10^1)°C, the rate…

A:

Q: 17. A first order decomposition reaction was found to have an initial rate of 0.19 M-min- when the…

A: The rate law of the first-order reaction is given by The rate constant of the reaction is…

Q: In a second order reaction,  2 NO 2(g)  --> 2 NO  (g) + O 2(g)     Initial concentration of NO 2 is…

A: Given data :  1. Initial concentration of NO2 = 0.7650 M  2. Rate constant : 0.5411 M-1s-1  3. Time…

Q: A particular reaction is found to have a rate constant of 3.50×10-3 s-1 at 500 °C and 2.16 s-1 at…

A: Given,

Q: The rate constant for the second order reaction 2 NO2 - 2 NO + O2 is 0.24 M's. If a 1.38 M sample of…

A: For a second order reaction, rate equation is given as : A0 = A + kt Initial concentration (A0) =…

Q: When a reaction is performed at a temperature of 314. K, the rate constant is 1.9 x 10-6 s-1. When…

A: Given,

Q: Predict the initial rate of reaction in experiment 4. 13.126. An important reaction in the formation…

A: The rate law will be consistent, even though the reaction occurs in single step.  The order of the…

Q: The reactant concentration in a zero-order reaction was 9.00×10−2 MM after 115 ss and 3.50×10−2 MM…

A: In case of a zero order reaction, the rate of the reaction does not depend upon the concentration of…