the reaction of a certain chemical proceeds with an activation energy of about 300kJ/mol? how much faster is the reaction at 377°C than 227°C?

Q: A certain reaction has an activation energy of 72.14 kJ/mol. At what Kelvin temperature will the…

A: Activation Energy:             For atoms to undergo a chemical transformation, they need the energy…

Q: Assuming the activation energies are equal, which of the following reactions will proceed at a…

A: Solution- Activation energy is the extra energy needed by the molecules such that reactant molecules…

Q: What is reaction energy if the activation energy is 250 kJ/mol (for the forward reaction) and the…

A: The activation energy for forward reaction is 250 KJ/mol and that of backward(reverse) reaction is…

Q: A certain reaction has an activation energy of 38.94 kJ/mol. At what Kelvin temperature will the…

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Q: 7. AH for an uncatalyzed reaction is -5.0 kJ/mol. If the activation energy, Ea, is 20.0 kJ/mol,…

A: We know that ΔH = Energy of product - Energy of reactant. ΔH < 0 => Energy of product <…

Q: (c) The rate constant for a certain reaction is 2.52 x 10 *s' at 463K and 6.30 x 10°s at 503 K.…

A: The question is based on the concept of chemical kinetics. we have been given rate constant values…

Q: Determine the activation energy for this reaction in kJ/mol:  A chemical reaction has a rate…

A: Rate constant (K1) = 0.15 s-1  Rate constant (K2) = 1.35 s-1 Temperature (T1) = 22.0°C = 22.0+273 =…

Q: A certain reaction has an activation energy of 52.53 kJ/mol. At what Kelvin temperature will the…

A: Given K2 = 5 K1

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: 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: For the following reaction producing 1 mol of oxygen gas at a particular temperature, ΔH = –180 kJ.…

A: For an exothermic reaction, the activation energy for the reverse reaction is greater than the…

Q: For a chemical reaction, the activation energy for the forward reaction is +181 kJ and the…

A: The overall energy change for the forward reaction is the difference in energy between products and…

Q: A certain reaction has an activation energy of 59.16 kJ/mol. At what Kelvin temperature will the…

A: The Arrhenius equation is expressed as follows: lnk=-EaR1T+lnA Where, A represents pre-exponential…

Q: A certain reaction has an activation energy of 30.79 kJ/mol. At what Kelvin temperature will the…

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Q: The activation energy Ea for a particular reaction is 50.0 kmol. How much faster is the reaction at…

A: The relationship between the activation energy and rate at different temperature is given by  where…

Q: 14. What is activation energy? Is it always constant for the same reaction? Why ? (3pts)

A: Given Activation energy activation energy is always constant for the same reaction

Q: A certain reaction has an activation energy of 40.62 kJ/mol. At what Kelvin temperature will the…

A: Arrhenius equation is an expression that relates to the activation energy, temperature, and the rate…

Q: The decomposition of ethyl iodide in the gas phase to produce ethylene and hydrogen iodide is a…

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Q: The activation energy Ea for a particular reaction is 50.0 kJ/mol. How much faster is the reaction…

A: The rate of any reaction is directly proportional to the rate constant of reaction under similar…

Q: A certain reaction has an activation energy of 29.12 kJ/mol. At what Kelvin temperature will the…

A: Given : Activation energy of reaction, Ea = 29.12 KJ/mol = 29120 J/mol…

Q: N2 (g) + 2 O2 (g) N2O4 (g) The above reaction has an activation energy of 495 kJ and a change in…

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Q: The rate of a particular reaction quadruples when the temperature is increased from 25°C to 35°C.…

A: Arrhenius equation says the rate constant of a reaction is related to its activation energy at a…

Q: A reaction rate is two thousand times faster at 46 C than at -12 C. Find the activation energy of…

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Q: A certain reaction has an activation energy of 39.57 kJ/mol. At what Kelvin temperature will the…

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Q: A certain reaction has an activation energy of 60.78 kJ/mol. At what Kelvin temperature will the…

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Q: For a chemical reaction, the activation energy for the forward reaction is +187 kJ and the…

A: The overall energy change is equal to the difference of the activation energy for the forward and…

Q: This reaction has an activation energy of zero in the gas phase:CH3 + CH3------------->C2H6a.…

A: Given: Activation energy of the reaction=0

Q: What is ∆H (in kJ/mol) for a reaction where the activation energy is 250 kJ/mol while the activation…

A: Applying Formula of activation energy Ea1= ∆H + Ea2

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 certain reaction has an activation energy of 59.88 kJ/mol. At what Kelvin temperature will the…

A: The expression for the ratio of two rate constants at the given temperature is given by Arrhenius…

Q: A certain reaction has an activation energy of 34.65 kJ/mol. At what Kelvin temperature will the…

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Q: What is the activation energy of a reaction that is three times faster at 40.0 °C than it is at 20.0…

A: we have to calculate the activation energy for the reaction

Q: A certain reaction has an activation energy of 44.26 kJ/mol. At what Kelvin temperature will the…

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Q: A certain reaction has an activation energy of 57.33 kJ/mol. At what Kelvin temperature will the…

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Q: A catalyst reduces the activation barrier of a certain reaction to zero and simultaneously increases…

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Q: reaction with rate constant 0.820 h-1 starts with 0.500 M of reactants.  What is the molarity of…

A: Given rate constant K = 0.820 h-1 time = 1.5 hours initial Concentration = 0.500 M

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: 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 rate constant for a certain reaction is 2.5 x 10-° M min at 481 K. The activation energy for the…

A: The given question is based on the knowledge of the Arrhenius concept which relates the activation…

Q: For the two-step reaction below, fill in the blanks using the words given. Step 1: 2 NO2 (g) - NO3…

A: Intermediate of a reaction is that species which is involved in mechanism but not involved in…

Q: 4. A certain chemical reaction has a rate constant of 1.50 L/mol·min at 45.0°C with an activation…

A: The question is based on the concept of chemical kinetics. We have to calculate rate constant at…

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

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Q: 59.  The rate constant for the decomposition of acetaldehyde, CH3CHO, to methane, CH4, and carbon…

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: The rate constant of a reaction is 5.00 s-1 at 270C. What will be the rate constant at 470C if the…

A: According to unit conversion, 1 kJ is equal to 103 J/kJ and the given temperatures, 27oC and 470C…

Q: 4. At room temperature, it takes about 3 days for a container of milk to turn sour. An identical…

A: Various bacteria are feeding on the lactose (milk sugar) contained in the milk. Milk gets sour from…

Q: The reaction X + X₃ → 2 X₂ is shown to have an activation energy of 77 kJ/mol while the enthalpy of…

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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…