A certain reaction has a ΔH = -75 kJ and an activation energy of 40 kJ. A catalyst is found that lowers the activation energy of the forward reaction by 15 kJ. What is the activation energy of the reverse reaction in the presence of this same catalyst?

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A: For any reaction  A -----> B Eaf = x KJ/mol ∆H = y KJ/mol If we reverse the above reaction then…

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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: Problem attached

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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: Why does a reaction's activation energy not show in the reaction's final G?

A: a reaction's activation energy not show in the reaction's final G

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

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

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

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

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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: 2. The rate constant for the forward reaction is equal to the rate constant of the reverse reaction.

A: At equilibrium concentrations of reactants and products remain unchanged. In other words the…

Q: 6. a) What is a catalyst? b) What is the difference between a homogeneous and a heterogeneous…

A: 6 a) Catalyst: A substance (in small amount) that increases the rate of a chemical reaction and do…

Q: Define the following terms.(i) Rate constant (k) (ii) Activation energy ( Ea)

A: i) Rate constant- It is the proportionality constant of rate law which is different (and identical…

Q: Suppose that the rate constant of a reaction decreases by a factor of 1.23 when the temperature is…

A: Arrhenius equation:      k = A e-Ea/RTFor rate constant at two different temperatures,   ln k2k1 =…

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: On which factor the rate constant of a reaction does not depend upon a) Temperature b) Activation…

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Q: 14. Suppose a chemical reaction rate constant has an activation energy of 76 kJ/mol, as in the…

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Q: 2. a) How can the activation energy of a reaction be determined from the graph of In k vs 1/T? b) In…

A: The relationship between rate constant and activation energy is given by  where K = rate constant…

Q: 3. For the reaction NO2(g) + CO(g) → NO(g) + CO2(g) the activation energy is 125 kJ/mol and the H…

A: Activation energy is the minimum amount of energy that is required to activate the molecules or…

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: What effect does a catalyst have on the activation energy of the reaction? In the graphs below draw…

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Q: Which of the statements given about the catalyst is not correct? D A catalyst changes the mechanism…

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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: The lower reaction path, including points B, C and D, could represent which of the following things:…

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Q: for the reaction X + aY = C the following information is given: the concentration of the substances…

A: Given Reactiion X + aY  <--------------> C value of a = To be determined Hint : Concentration…

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: Consider the reaction: 2 NO2 (g) → NO3 (g) + NO (g) with 2-mol NO2 (9) transformed into 1-mol NO3…

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Q: Which energy difference in the energy profile below corresponds to the activation energy for the…

A: The Activation energy is the minimum amount of energy required for the reaction to occur . From the…

Q: An elementary process has an activation energy of 88 kJ/mol. If the enthalpy change for the reaction…

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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: Determine which of the two diagrams here (both for the same reaction) involves a catalyst, and…

A: Activation energy,Ea, is the minimum energy required for reactants to get converted to products.…

Q: The rate of a particular reaction increases by a factor of 5 when the temperature is increased from…

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Q: 7 of 3 Y Reaction 1 Reaction 2 -- . Reaction Coordinate In an experiment done at a low temperature,…

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Q: Which of the following collisions will initiate the reaction? The energy of the collision is written…

A: To initiate the reaction by a collision is possible only when the collision energy is equal to or…

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: If the activation energy of a reaction increases, what happens to the rate constant (k)?   A. the…

A: From the Arrhenius Equation: Ea: Activation Energy. R: Gas Constant (8.314 JK-1mol-1) T:…

Q: 5. The measurement of reaction rates as a function of temperature provides information on the…

A: Rate of reaction is the change in the concentration of the reactants and products with respect to…

Q: (3) 13. For the following questions, use the following diagrams. Uncatalyzed Reaction Catalyzed…

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Q: The rate of a reaction becomes four times when the temperature changes from 293 K to 313 K.…

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Q: What is the activation energy in kJ/mol for a reaction that has k = (1.60x10^-4) s-1 at 28.0°C and k…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The energy diagram below shows a reaction with and without catalyst. Based on this diagram, which of…

A: The energy of the reaction can be calculated as: Enthalpyreaction = Eproducts- Ereactants

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

A: Rate of a reaction is quadruples. Initial temperature = 25°C   .....Or  because   °C + 273 = k…

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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