What is the activation energy of a reverse reaction at 679 K if the foward reaction has a rate constant of 50 M-1s-1, a pre-exponential factor of 30 M-1s-1, and a delta H of the reaction of 23 kJ/mol?

Q: What is the rate constant in s1 at 31 C, if the activation energy is 70 kJ/mol and A is 1012 s-1?…

A: The relationship between rate constant ( k ) and temperature ( T ) is given by Arrhenius equation. k…

Q: The reaction X + X, → 2 X, is shown to have an activation energy of 51 kJ/mol while the enthalpy of…

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Q: The reaction X + X3 → 2 X2 is shown to have an activation energy of 87 kJ/mol while the enthalpy of…

A: For the given forward reaction,X + X3  → 2 X2      Ea, forward = 87 kJ/mol Enthalpy of the…

Q: A certain reaction has an energy change of AE = -24 kJ and an activation energy of E, = 58 kJ. %3D…

A: Change in energy: Change in energy for forward and backward reaction is given by formula, Change in…

Q: The reaction rate constants of a reaction at 298 K and 373 K are 0.0450 s-1 and 20.1 s-1,…

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Q: Suppose a reaction has an activation energy of 23.0 kJ/mol and rate constant of 0.37 h-1 at 15 oC.…

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Q: d. The activation energy of the reaction is 85 kJ/mol. Calculate the time required for [A2] to go…

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Q: The decomposition of urea, NH2CONH2 + 2 H20 → 2 NH4 + CO32- has rate constants of 0.713 x 105 min-1…

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Q: Enzymes in the human liver catalyze a large number of reactions that degrade ingested toxic…

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

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Q: The reaction X + X32 X2 is shown to have an activation energy of 27 kJ/mol while the enthalpy of…

A: Activation energy is known as the minimal amount of additional energy needed by a reactive molecule…

Q: The following reaction has a rate constant of 0.760s-1 at 1000. K and a rate constant of 0.870s-1 at…

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Q: The reaction X + X32 X2 is shown to have an activation energy of 51 kJ/mol while the enthalpy of…

A: The given reaction is, X + X3 → 2 X2  For the given reaction, Given data, Activation energy for the…

Q: For the first-order reaction N2O5( g) → 2 NOX8) + 0x8) 2 NO2{g) + t/2= 20.5 h at 20°C and 3.5h at…

A: The details solution for this is provided below in attach image.

Q: k 3) For the reaction NO2+ C0 → NO + CO2, the dependence of the rate constant 4 on temperature is…

A: The graph lnk vs 1/T is shown below.

Q: d. Since k1 is equal to 3.8 x 109 s-1, k-1 is equal to 9.8 x 10^8M-1s-1 and k2 is equal to 2.3 x…

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Q: If a reaction's rate constant at 298K is 33 M-1s-1 and 45 M-1s-1 at 675 K, what is the activation…

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Q: and 9.6 x 10-2 s A first-order reaction has rate constants of 4.6 x 10-2 si respectively. What is…

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Q: Make an appropriate Arrhenius plot of the following data for the conversion of cyclopropane to…

A: Arrhenius equation is, K=Ae-EaRT ln (K)=-ER×1T+ln(A) Calculate and record the given temperature and…

Q: What is the activation energy in kJ/mol for a reaction that has a rate constant that is (2.73x10^0)…

A: Rate constant is temperature dependent

Q: A reaction has an activation energy of 3.79 kJ/mol. If the rate constant for the reaction is 6.4E-1…

A: Given activation energy, Ea = 3.79 kJ.mol-1 * (1000 J / 1kJ) = 3790 J.mol-1  Initial state:  Initial…

Q: The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an…

A: Given information: Activation energy = 45.0 kJ/mol Rate constant (k1) = 1.8×104 M-1s-1 Temperature…

Q: Given the following data for the reaction A -->B, determine the activation energy, Ea, of the…

A: A graph has to be plotted between 1/T and ln K for determining the activation energy. To plot the…

Q: The reaction X + X3 → 2 X2 is shown to have an activation energy of 51 kJ/mol while the enthalpy of…

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Q: 13. For the first-order reaction N,O, (g) 2NO, (g) + 1/20, (g), t12 = 22.5 h at 20°C and 1.5h at 40%…

A: The given data- t1/2 = 22.5 h  T1 = 20 °C= 293 K t1/2 = 1.5 h T2 = 40 °C= 313 K A= 2.05×1013 s-1 To…

Q: What is the activation energy for a reaction if k= 1.89 X 10^-8 s^-1 at 540 degrees Kelvin and k=…

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Q: A reaction proceeds at the rate of 0.98 Mh-l at 35 °C. If the activation energy is 99 kJ mol1, what…

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Q: If a first order reaction has a rate constant of 2.75 x 10-2 s-1 at 20°C what would be the value of…

A: Solution The chemist equation is AN expression that gives a relationship between the speed constant…

Q: If a reaction has a rate constant of 3.7 x 10-3 s-1 at 25oC, and an activation energy of 43.6…

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Q: Calculate the activation energy, Ea, in kilojoules per mole for a reaction at 60.0 °C that has a…

A: Given, Activation energy (Ea) = ? Rate constant (k) = 0.251 s-1 Temperature (T) = 60.0 °C = (60.0 +…

Q: A certain reaction has an enthalpy of AH = 49 kJ and an activation energy of Ea = 66 kJ. What is the…

A: • The values provided in the question are:- i) Enthalpy change of a reaction, ∆H = 49 kJ  ii)…

Q: The activation energy for the reaction NO2(g)+CO(g)⟶NO(g)+CO2(g) is Ea = 225 kJ/mol and the change…

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Q: 8. What is the fraction of collisions that have sufficient energy for reaction if the activation…

A: (a) Fraction of active molecules = 1eEaRT                                                     =…

Q: Calculate the activation energy, in kJ/mol reaction at 65 C that has a rate constant of 0.434s-1 and…

A: Given  Rate constant (k) = 0.434 s-1 Frequency factor (A) = 6.82 x 1010 s-1  Temperature (T) = 65oC…

Q: By plotting ln K vs 1/T, an equation of the line was obtained: y = -4865x + 1.946   Determine 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 of a 2nd order decomposition reaction was measured at 700 and 1000 K with the following…

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Q: Calculate the activation energy for the reaction (in kJ/mol) when at 675 K the rate constant for the…

A: Given T1 = 675 Kk1 = 0.0000200T2 = 109 Kk2 =0.00000800 Ea = To be determined

Q: N2O5( g) → 0{8) 2 NO2(g) + (8 F0 t1/2 = 20.5 h at 20°C and 3.5h at 40°C. (a) Calculate the…

A: We will use formula of activation energy and rate constant

Q: A rate constant obeys the Arrhenius equation, the factor A being 2.2 ×10¹³ s-¹ and the activation…

A: Given, Factor A = 2.2 × 1013 s-1 Activation energy (Ea) = 150. kJ mol-1 = 150000 J mol-1 Rate…

Q: Chemistry II Chapter 14-Rates of Reaction The reaction: 2NOCI → 2NOg) + Cl 2(g) has a rate-constant…

A: The reaction taking place is given as, => 2 NOCl (g) ------> 2 NO (g) + Cl2 (g) Given : Rate…

Q: The activation energy of a reaction is 33.4 kJ/mol. The rate constant for this reaction is 3.5 x…

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Q: A reaction has an activation energy of 125.0 kJ/mol. At 310. K, the rate constant is (8.03x10^-4)…

A: Given that : Activation energy of the reaction (Ea) = 125.0 kJ/mol At temperature T1 = 310 K, the…

Q: A reaction having an activation energy of 55.1 kJ/mol has a rate constant of 4.2 x 10-8 s-1 when the…

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Q: The reaction X+ X3 2 X2 is shown to have an activation energy of 57 kJ/mol while the enthalpy of…

A: Activation energy is the minimum amount of energy required to the transition state. Enthalpy of…

Q: The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an…

A: The term Arrhenius equation in chemistry can be defined as the equation which is used to dependence…

Q: A certain reaction has an activation energy of 68.0 kJ/mol and a frequency factor of Aj = 1.70x1012…

A: Given that -  Activation energy = 68.0 kJ/mol  Frequency factor = 1.70×1012 M-1 s-1  Temperature =…

Q: From the following data plot, calculate the activation energy, E, for the reaction. Arrhenius Plot…

A: The temperature dependence of the rate of reactions is given by the Arrhenius Equation. The equation…