What is ∆H (in kJ/mol) for a reaction where the activation energy is 250 kJ/mol while the activation energy for the reverse reaction is 125.0 kJ/mol?

Q: Consider the two‑step mechanism for the destruction of ozone. step 1: O3(g)+HO(g)⟶HO2(g)+O2(g) step…

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Q: The activation energy, Ea, for a particular reaction is 37.8 kJ/mol. If the rate constant at 280 K…

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Q: The activation energy for the reaction H2(g) + I2(g) → 2 HI(g) is 165 kJ/mol, and ∆E for the…

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Q: For the reaction I + I --> I2 at 25°C, K = 8.2 x 109 1/sec. This reaction is __. A) cannot determine…

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Q: tion energy for the reverse reaction is 25.4 kJ. What is the

A: Firstly we should know about reaction nature. This reaction is Endothermic because of breaking of…

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…

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Q: performed on a chemical reaction will lower it's activation energy? i) increasing the concentration…

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Q: a) This reaction is thought to take place by means of the following mechanism: Step 1: HBr + O2→…

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Q: The rate constant of a reaction is 4.50 x 10-5 L/mols at 195 oC and 3.20 x 10-3 L/mols at 258oC.…

A: Record the given data, k1 = 14.50 x 10-5 L/moles k2 = 3.20 x 10-3 L/moles T1= 195ºC T2= 258ºC Ea = ?…

Q: Step1: 2SO2(g) + 2NO2(g) à 2SO3(g) + 2NO(g) Step2:    2NO(g)  +  O2(g)  à 2NO2(g) Which of the…

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Q: For a certain reaction, Kc=2.70×10−9 and kf= 5.97×104 M−2⋅s−1M−2 ⋅ s−1 . Calculate the value of the…

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Q: If the activation energy for a reaction is 60.6 kJ/mole, how many times faster is the reaction at…

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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…

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Q: A reversible reaction that occurs in a single step has ΔH = -64.0  kJ/mol and Ea = 27.7  kJ/mol.…

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Q: step 1: 2A B+ C +D (fast step) step 2: C + B E+F (fast step) step 3: F+D-> E+G (slow step) What is…

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

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

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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: Which of the following statements are true? I. Activation energy of a reaction is smaller at higher…

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

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Q: For the formation of 1 mol of nitrosyl chloride at a given temperature, H = –44 kJ. NO(g) + ½…

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Q: The activation energy for the reaction of                2NO2(g)   2NO(g) + O2(g)       has been…

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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: A2(g) + B2(g) →2 AB(g) The activation energy (Ea) in the forward direction is +143 kJ. The…

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Q: 7.For a chemical reaction, the activation energy for the forward reaction is +181 kJ and the…

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Q: The activation energy of the forward reaction 96.27 kJ/mol and the activation energy for the reverse…

A: Delta H is calculated as follows

Q: 17. The diagram below shows the energy profile of a reaction, A+B_making C+D Potential Energy A +B C…

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

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Q: 18. Which of these reactions appear to involve a catalyst? In those cases where a catalyst is…

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Q: Calculate the activation energy (EA) for the forward reaction.

A: