19. The activation energy for the following first-order reaction N2O:(g) 2NO:(g) + 1/202(g) is 102 kJ/mol. The value of the rate constant (k) is 2.45 x 10-4 s at 25°C. What is the value of k at 0°C? * O 1.82 x 1014 s-1 O 5.67 x 10-8s-1 O 2.55x 10-4s O 2.44 x 10-4s-1

Q: hydrogen iodide decomposes according to the equation shown below. The second-order rate constant for…

A:

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 475 K…

A: The given data contains, Ea=13.6 kJ/molrate constant =0.04501 /minTemperature T1=475 KTemperature…

Q: 9. The rate constants for the reaction NO2(g) + CO(g) → NO(g) + CO:(g) at a temperature of 700 K and…

A:

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 475 K…

A:

Q: The rate constant of a first-order reaction is 4.60 x 10−4s−1 at 350 degree Celsius. If the…

A: Here we are required to find the temperature for which the rare constant is 8.8×10-4 s-1

Q: The rate constant k for a certain reaction is measured at two different temperatures: temperature k…

A:

Q: A first-order reaction has rate constants of 4.6 x 10-2 s-1 and 9.6 x 10-2 s1 at 0°C and 20.°C,…

A: The given data contains, k1=4.6×10-2/sk2=9.6×10-2/sT1=273 KT2=293 K

Q: 2N20(g) 2N2(g) + O2(g) The rate contant is 0.066 L/mol•min at 565°C and 22.8 L/mol•min at 728°C. 1.…

A:

Q: N2O5, rate constants were determined at two different temperatures. At 35 °C, the rate constant was…

A: The Arrhenius formulaIn k2k1=EaR1T1-1T2k2= Rate constant at temperature T2Ea= Activation EnergyR=…

Q: Dinitrogen tetraoxide, N2O4, decomposes to nitrogen dioxide, NO2, in a first-order process. If k=…

A:

Q: The activation energy for the reaction of 2NO2(g)2NO(g) + O2(g) has been determined to be 111…

A:

Q: The activation energy, Ea, for a particular reaction is 37.8 kJ/mol. If the rate constant at 280 K…

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

Q: 13. If the activation energy of an exothermic reaction is 20 kJ mol-1 and the reaction enthalpy is…

A:

Q: 8. The rate constant for a first order reaction is 4.60 x 10* s' at 350°C. If the activation energy,…

A: Arrhenius equation that relates the rate constants k1 and k2 at respective temperatures T1 and T2…

Q: How long will it take for the concentration of A to decrease from 1.25 M to 0.267 for the second…

A: Ans:     Given:               Ao=1.25 M               At=0.267 M                 K=1.52 M-1min-1…

Q: The rate constant of a first-order reaction is 4.20 × 10−4 s−1 at 350. ° C. If the activation energy…

A: The Arrhenius equation is given as:

Q: The activation energy, Ea, for a particular reaction is 19.4 kJ/ mol. If the rate constant at 80 °C…

A:

Q: What is the activation energy of a reaction if it has the following rate constants? Rate Constant…

A:

Q: The rate constant of a first-order reaction is 4.60 x 104/s at 350°C. If the activation energy is…

A: Given that: Rate constant (k1) = 4.60×10-4 s-1 Temperature (T1) = 350°C = 623K Activation energy…

Q: The rate constants for the first-order decomposition of a compound are 5.22× 10–4 s–1 at 43°C and…

A:

Q: The gas-phase reaction X(g) +Y(g) -> XY(g) has an overall energy change of +45 kJ. The activation…

A:

Q: Dinitrogen pentoxide decomposes via a first order reaction. Rate = k[N,O5], k= 6.93 × 10-3 s-1 The…

A:

Q: The rate constant k for a certain reaction is measured at two different temperatures: temperature k…

A:

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

A:

Q: a. R = k[A][B] b. R = k[A]³[B] c. R = k[A][B]² d. R = k[A]³[B]?

A:

Q: When the reaction: CH3CI(g) + H20(g) → CH3OH(g) + HCl(g) was studied, the tabulated data were…

A:

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 475 K…

A: Formula used:                                                lnk1k2=-EaR1T1-1T2 Where, k1 = rate…

Q: Dinitrogen pentoxide decomposes via a first order reaction. Rate = k[N,Os], k = 6.93 × 10*3 s-1 The…

A:

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 rate constant k for a certain reaction is measured at two different temperatures: temperature k…

A:

Q: The rate constant for a first-order reaction is 1.4 × 10-2 s-1 at 646 K and 3.5 × 10-2 s-1 at 824 K.…

A: The relationship between rate constant k , activation energy Ea and temperature T is given by…

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 475 K…

A: Using Arrhenius equation we can calculate the value of the rate constant at different temperature.…

Q: The activation energy, Ea, for a particular reaction is 37.8 kJ/mol. If the rate constant at 280 K…

A:

Q: a) The reaction of NO2 has been studied as a function of temperature. For the following…

A: Minimum energy required for reacting species to react  to form products

Q: The activation energy for the reaction of                2NO2(g)   2NO(g) + O2(g)       has been…

A: Initial Rate Constant ( K1 )  = 0.54 M-1sec-1 Activation   Energy    ( Ea )  = 111 KJ / mole…

Q: Ethyl iodide decomposes to give ethylene and hydrogen iodide in the first order gas-phase reaction…

A:

Q: The rate constant for a particular reaction is 2.7 x 10-2 s1 at 25°C and 6.2 × 10-2 s1 at 115°C.…

A: The rate constant increases with increase in temperature.  This is explained by Arrhenius equation.

Q: What is the activation energy of a reaction if it has the following rate constants? Rate Constant…

A:

Q: 11. A first-order reaction has a rate constant of 3.00 x 10-3 s1. Determine the minimum time needed…

A: In first order reaction, rate depends on concentration of the reactant.

Q: The activation energy, Ea, for a particular reaction is 37.8 kJ/mol. If the rate constant at 280 K…

A: The answer is given below

Q: Based on this Arrhenius plot, what is the activation energy of the reaction? (R = 8.314 J/K •mol)…

A: Integrated form of Arrheneus equation: Ink = (-Ea/R) × 1/T + InA y  = mx + c So, slope (m) = -Ea/R =…

Q: The rate constant k for a certain reaction is measured at two different temperatures: temperature k…

A:

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 k for a certain reaction is measured at two different temperatures: temperature k…

A:

Q: Define activation energy Calculate the activation energy for a first order reaction, given that the…

A:

Q: activation energy for the reaction of                2NO2(g)   2NO(g) + O2(g)       has been…

A: Arrhenius equation of a reaction establishes a relationship between reaction rate and temperature.…

Q: Consider a second order reaction: A --> B If the initial concentration of A is 0.75 M and the rate…

A: Given: Initial concentration of A, A0 = 0.75 M Final concentration of A, A=13×A0 Rate constant, k =…

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 475 K…

A: The minimum amount of energy  required to convert reactant into products are known as activation…

Q: The activation energy for the following first-order reaction is 102 kJ/mol. 2 N2O5 (g) →4 NO2 (g) +…

A:

Q: The decomposition of hydrogen chloride is 2 HCl(g) → H2(g) + Cl2(g) The reaction has rate constants…

A: Arrhenius equation: Arrhenius equation give the relationship between the activation energy and the…