The activation energy (E*) for 2N2O ---> 2N2 + O2 is 250 KJ. If the k for this   reaction is 0.380/M at 1001oK, what will k be at 298oK? What will the half-life be at both temperatures?

Q: tempature

A:

Q: The activation energy for a reaction is determined to be 350.8 kJ. The rate constant at 21.4ºC is…

A:

Q: The reaction   C4H8(g)⟶2C2H4(g)   has an activation energy of 262 kJ/mol. At 600.0 K the rate…

A: Given, Ea = 262 KJ/mol      = 262 × 103 J/mol R = 8.314 J/mol.K K1 = 6.1 ×10-8 s-1 T1 = 600 K. T2=…

Q: For a given reaction, a plot of ln k vs 1/T gives a slope -1784.3 K.  Calculate the activation…

A:

Q: A certain reaction has an activation energy of 41.96 kJ/mol. At what Kelvin temperature will the…

A:

Q: A certain reaction has an activation energy of 28.90 kJ/mol.28.90 kJ/mol. At what Kelvin temperature…

A: The activation energy is 28.90 kJ/mol. The initial temperature is 309 K. The rate constant at the…

Q: A certain reaction has an activation energy of 71.24 kJ/mol.71.24 kJ/mol. At what Kelvin temperature…

A: Given, Activation energy of a reaction = 71.24kJ/mol. Initial temperature = 313K. k2/k1 = 3.00.

Q: The activation energy is 50.2 jk/mol   Rate constant, K equals 0.2 (1/s) -- at 37C. At what…

A: Please find the file attached file for calculation.

Q: A certain reaction has an activation energy of 66.90 kJ/mol. At what Kelvin temperature will the…

A: It is based on the concept of Arrhenius theory of rate constant.  Here we are required to find the…

Q: A reaction has the activation energy of 53.5 kJ/mol for the forward step and the energy change (AE…

A: Activation energy is known as the minimal amount of extra energy needed by a reacting molecule to…

Q: The rate constant of a chemical reaction was measured at several temperature values and a plot of In…

A:

Q: The activation energy for a reaction is 509.8 kJ. The rate constant at 50.9ºC is equal to 1.39 x…

A:

Q: For the reaction 3 A + 5 B ---> 2 C + 4 D, which reaction rate relationship is true?

A: The rate of the equation is expressed below:

Q: The reaction in which CO2 decomposes to C0 and a free radical oxygen atom, O, has an activation…

A: Given that: Activation energy (Ea) = 460KJ/mol Frequency factor(A) = 3.3×1012 s-1 T = 283 K

Q: What is the ratio of f at the higher temperature to f at the lower temperature?

A: Step : 1             What is the ratio of f at the higher temperature to f at the lower temperature?

Q: A reaction has rate constant of 0.63 s¹ at a temperature of 22 °C and an activation energy of 9.5…

A:

Q: The activation energy for the reaction   CH3CO --> CH3 + CO   is 71.0 kJ/mol. If the rate constant…

A:

Q: A certain reaction has an activation energy of 39.23 kJ/mol. At what Kelvin temperature will the…

A: Since the reaction is dependent on the rate constant and rate constant depends on the temperature.…

Q: A student obtained the following data for the decomposition of hydrogen iodide on a gold surface at…

A: We will first determine the half-life as we know, Half-life is basically the duration of time when…

Q: An exothermic reaction with (the change in)H = -200 kJ/mol has an activation energy of 100 kJ/mol.…

A: Exothermic reactions are the ones which gives off heat from the reaction. Its has a negative…

Q: The activation energy for the reaction   CH3CO --> CH3 + CO   is 71.0 kJ/mol. If the rate…

A:

Q: 25. At 40°C, H,O,(aq) will decompose according to the following reaction: 2H,0, (aq) 2H,0(1) + 0,(g)…

A: Average rate for decomposition is a negative value and for formation is positive.

Q: The rate constant dependence on temperature of a chemical reaction is plotted below ( LnK versus…

A: The dependence of rate constant on temperature is given by Arrhenius equation  k = Ae-Ea/RT Applying…

Q: Given this data determine the reaction rate between t = 10s and t =20;, and t = 40s and t = 50s…

A:

Q: The rate constant of a reaction is 0.38s-1 at 727 C and 0.87s-1 at 757C. Calculate the activation…

A: The equation for determining the activation energy is as follows,                   Where, Ea is…

Q: A certain reaction has an activation energy of 50.88 kJ/mol. At what kelvin temperature will the…

A: The relation between activation energy and temperature is given by Arrhenius equation. The…

Q: The graphs below are plots of ln k vs. 1/T for different chemical reactions, A and B.  Which…

A:

Q: Estimate the rate constant for the reaction H2 + C2H4 C2H at 628 K first calculatep by setting m(H2…

A: H2 + C2H4 --------> C2H6 T = 628 K m(H2) = 2.016 mu and m(C2H4) =28.05 mu σ H2 = 0.27 nm2 and σ…

Q: A certain reaction has an activation energy of 58.70 kJ/mol. At what Kelvin temperature will the…

A:

Q: At 298 K, the activation energy, Ea for the decomposition of H2O2 has been measured to be 75.3…

A: Given: Ea1 in the presence of iodide ion = 56.5 kJ/mol Ea2 when catalyzed by the enzymes catalase =…

Q: At a temperature of 27oC and the reaction rate is 6.378 x 10-1 s-1. The reaction is of order 1. It…

A:

Q: A certain reaction has an activation energy of 43.99 kJ/mol. At what Kelvin temperature will the…

A: Given,  Activation energy, Ea = 43.99 kJ/mol                                        = 43990 J/mol…

Q: If the activation energy of a reaction decreases by 4.1 kJ/mol by adding a catalyst, how many times…

A:

Q: The reaction 2NOB → 2NO+Br2 exhibits the rate law A[NOB:] - A[NOBr] At Rate = where k= 1.0 × 10-$…

A: For the reaction:      2NOBr → 2NO + Br2 The rate law is expressed as:  Rate=k[NOBr]2 At 25o C the…

Q: The activation energy of a certain reaction is 38.1 kJ/mol . At 26 ∘C , the rate constant is…

A: i)Calculate the temperature using Arrhenius Equation. The Arrhenius Equation is given below

Q: A certain reaction has an activation energy of 46.9146.91 kJ/mol. At what Kelvin temperature will…

A: You can use the Arrhenius equation and set K1 = 1 and K2 = 6.50 because rate = k [A] so as long as…

Q: The activation energy for a certain reaction is +859 kJ/mol and AE for the reaction is -132 kJ/mol.…

A: Activation energy is defined as the minimum energy that must be possesed by the reactants in order…