3. A reaction has a rate constant of 0.0117 M/s at 400.0K and 0.689 M/s at 450.0K. What is the activation energy of the reaction?

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 754 °C…

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Q: Temperature dependence of reaction rate The rate of a certain reaction multiplies by 3.609 when the…

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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…

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Q: A slightly bruised apple will rot extensively in about 2.5 days at room temperature (24.0 ° C). If…

A: The minimum amount of energy required by reactant molecules to participate in a reaction called…

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: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 754 °C…

A: Activation energy = 13600J/mol Temperature , T1 = 1027K Rate constant ,k1 = 24.5/min Gas constant, R…

Q: the reaction enthalpy is -275 kJ mol-1, the activation energy of the reverse reaction is

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Q: For a given reaction, the rate constant triples when the temperature is increased from 32 °C to 71…

A: Given that : The initial temperature = 32°C The final temperature = 71°C We have to calculate the…

Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 754 °C…

A:

Q: Define the following :(i) Order of a reaction(ii) Activation energy of a reaction

A: Chemical kinetics tells about the rate of reaction at which it occur.

Q: The rate constant of a reaction is 7.30×10−5 L/mol·s at 195°C and 1.20×10−3 L/mol·s at 258°C. What…

A: The activation energy of reaction can be calculated using Arrhenius equation.

Q: A reaction has an activation energy of 15 kJ mol. The temperature of the reaction must be increased…

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Q: A certain reaction has an enthalpy of Δ?=39 kJ and an activation energy of ?a=56 kJ. What is the…

A: Thermodynamics is branch of chemistry in which we deal with heat gain or heat  lost by system to…

Q: Calculate the rate constant, k, for a reaction at 63.0 °C that has an activation energy of 76.9…

A: The relation between rate constant, temperature and activation energy is  given by Arrehenius…

Q: A certain reaction has an activation energy of 39.5 kJ/mol. As the temperature is increased from…

A:

Q: 6. A reaction has a rate constant of 0.0117 M/s at 400.0K and 0.689 M/s at 450.0K. What is the…

A: The activation energy is calculated by using following formula,

Q: The rate constant of a reaction is 2.10 ×10−5 L/mol·s at 195°C and 4.90 ×10−3 L/mol·s at 258°C. What…

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Q: If a temperature increase from 20.0 °C to 35.0 °C triples the rate constant for a reaction, what is…

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Q: A reaction has an activation energy of 15 kJ mol. The temperature of the reaction must be increased…

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Q: The rate constant of a reaction is 4.7X10⁻³ s⁻¹at 25°C,and the activation energy is 33.6 kJ/mol.…

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

Q: When the temperature rises from 105°C (378.15K) to 168°C (441.15K) and the rate of a reaction…

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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: When the temperature rises from 105°C (378.15K) to 168°C (441.15K) and the rate of a reaction…

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

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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: 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: The activation energy of a particular reaction is 65.7 kJ/mol. How much faster does the reaction…

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Q: 4) If the activation energy of an endothermic reaction is 40 kJ, the activation energy for the…

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

A: Activation Energy -  It is the minimum energy required for compounds to result in a chemical…

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 39.5 kJ/mol. As the temperature is increased from…

A: Value of activation energy of the reaction in Joules = 39.5 × 103 = 39500 J Let the initial rate…

Q: the reaction of a certain chemical proceeds with an activation energy of about 300kJ/mol? how much…

A: Given, The reaction of a certain chemical proceeds with an activation energy of about 300kJ/mol is :…

Q: A reaction has a rate constant of 0.000122/s at 27 °C and 0.228/s at 77 °C.

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Q: A slightly bruised apple will rot extensively in about 3.5 days at room temperature (26.0°C). If it…

A:

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: A particular chemical reaction has a rate constant of 0.80 s- 40.0°C. What is the activation energy…

A: We have the value of rate constant at a different temperature , we have to predict the value of the…

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

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Q: The activation energy, Ea, for a particular reaction is 13.6 kJ/mol. If the rate constant at 754 °C…

A:

Q: A particular reaction has an activation energy, Ea, of 189 kJ/mol.  If the rate constant for the…

A: The Arrhenius equation establishes the relationship between activation energy (Ea), rate constants…

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

A: ∆H (in kJ/mol) of the reaction is to be calculated The formula to calculate the ∆H of a reaction is

Q: A reaction has an activation energy of 195.0 kJ/mol. When the temperature is increased from 200. °C…

A: Convert the unit of temperature:

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

A: We have given that  Activation energy for Reaction = Ea = 19.4KJ/mol   at T1 = 80°C=353K  Rate…

Q: In going from room temperature (25.0°C) to 10°C above room temperature, the rate of a reaction…

A: Rate of reaction is the product of rate constant and the concentration of reactants raised to power,…

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

A: Given : Activation energy of reaction, Ea = 19.4 KJ/mol = 19400 J/mol…