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

Q: The conversion of substance A to substance B is exothermic with AE = -100 kJ/mol, and the reaction…

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Q: Use the following PE diagram to answer the following question. 100 80 60 PE (kJ) A+B 40 20 C + D…

A: Activation energy: When the reactant molecules convert into the products, they required the minimum…

Q: What is the role of the activated complex in a chemicalreaction?

A: The role of activated complex in a chemical reaction has to be given.

Q: 7. Consider the following graphs of In k versus 1/T for reactions A, B, C, and D. D In k In k 1 1 I…

A: According to Arrhenius equation activation energy is determined by the negative slope of the graph.

Q: 3. Calculate the activation energy of a reaction if the rate constant is 0.75 s-1 at 25°C and 11.5…

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Q: Sketch a potential-energy diagram for the decomposition of nitrous oxide. N2O(g)→N2(g) +O(g) The…

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Q: The diagram shows the potential energy diagrams for the reaction A + B → C PE (kJ) H IV Progress of…

A: A catalyzed reaction is generally faster than an uncatalyzed reaction. But both the reactions have…

Q: Activated complex 200 100 Potential Energy 100 Reactans 80 Products Reaction Paltway The heat of the…

A: Heat of reaction is calculated as change in energy during reaction. Potential energy of reactants is…

Q: The accompanying graph shows plots of ln k versus 1/Tfor two different reactions. The plots have…

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Q: The rate constant is 2.18 x 103 for the reaction at 600K and 4.55 x 10-2 for the reaction at 675K.…

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Q: K12.90 Rate constants for the reaction NO2(g) + CO(g) – NO(g) + CO2(g) are 1.3 M-1s at 700 K and…

A: The activation energy of a reaction is the extra energy that is required by the reactant to reach…

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

A: The relationship between rate constant and activation energy is given by  K = A e-Ea / RT  where K =…

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: The activation energy for a reaction is 35.8 kJ, and the rate constant for the reaction is…

A: Given :- activation energy = 35.8 kJ or 35800 J  Rate constant at 25oC(298K)= 0.010 s-1  To…

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

A: Given:  Enthalpy of reaction (ΔH) = -388kJ/mol Activation energy for forward reaction (Ea,f) = 51…

Q: Determine the activation energy (EA) for a reaction whose rate increases by a factor of three (3)…

A: Interpretation: The activation energy for a reaction whose rate increases by a factor of three (3)…

Q: The element Co exists in two oxidation states, Co(II) and Co(III), and the ions form many complexes.…

A: Activation energy - the minimum amount of energy that must be provided for compounds  to result in…

Q: A reaction profile (not to scale!) for the reaction NO + CO2–NO2 + CO s shown below: E (kJ) 358 NO2…

A: Given : We have to tell the correct option for this curve.

Q: Which of the following parameters would be different for a reaction carried out in the presence of a…

A: Introduction: Catalyst is a molecule which do not get consumed in the reaction and also increases…

Q: Which of the following parameters would be different for a reaction carried out in the presence of a…

A: Catalyst provides the different path for the reaction to proceed.

Q: 12. (a)A chemical reaction has an activation energy of 12.0 kJ/mol at 298.K. What is the fraction of…

A: Activation energy is 12 KJ/mol Temperature is 298 K We have to calculate fraction of collision that…

Q: 50 45 40 35 30 25 20 15 10 5. C A Extent of reaction (a) Which letter represents the activated…

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Q: The activation energy for the following reaction is 60. kJ/mol.Sn2+ + 2Co3+ → Sn4+ + 2Co2+By what…

A: Convert the unit of temperature:

Q: The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction…

A: The effect on rate of reaction with temperature change will be studied by Arrhenius equation. Using…

Q: A certain reaction has an activation energy of 49.24 kJ/mol. At what Kelvin temperature will the…

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Q: A reaction profile (not to scale!) for the reaction O3 + NO 02 + NO, is shown below: E (kJ) 11 O3 +…

A: The reaction profile of a reaction gives information about the reaction pathway and the reaction's…

Q: Which of the following parameters would be different for a reaction carried out in the presence of a…

A: A catalyst will change the energy difference between the reactants and the transition state, but it…

Q: 4. Explain the trends in the rate constants given in the table below for the following reaction:…

A: Substitution reaction of chromium carbonyls  follows associate mechanism and indicate difference in…

Q: The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction…

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Q: A reaction profile (not to scale!) for the reaction 2 HI- →H2 +I2 is shown below: E (kJ) H2 + 12 184…

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Q: The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction…

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Q: (a) Graph the relationship between k(yaxis) and T(xaxis).(b) Graph the relationship between ln…

A: a.

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

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Q: sing energy kJ 7. In the reaction coordinate diagram, label the boxes with the appropriate terms.…

A: In the given reaction coordinate diagram, the boxes with the appropriate terms are to be labelled…

Q: For the reaction A + B ---> C, the rate constant at 215 oC is 5.0 x 10-3 and the rate constant at…

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

A: We have to calculate the final temperature.

Q: The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction…

A: Ea = 42.2 KJ/mol R = 8.314 J/molK T1 = 324 K T2 = 343 K

Q: Write the rate law for the reverse reaction: 2 NO = N202

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: In a study of the gas phase decomposition of sulfuryl chloride at 600 K SO2Cl2(g)SO2(g) + Cl2(g)…

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Q: 1) How is rate of reaction represented? Give some examples with representations 2) Describe what is…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: 1.) Consider the following reaction coordinate diagram of the same reaction. One curve represents…

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Q: A chemical reaction has k = 9.3 ×10^-5 1/M·sec at 200 °C, if the activation energy Ea = 99 kJ/mol,…

A: Activation energy: The minimum amount of energy required to start a given chemical reaction is known…

Q: The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction…

A: In this question, we will see the Reaction how much time faster at High temperature than at low…

Q: A reaction profile (not to scalet) for the reaction C,HgOH + Br C;HgBr + OH is shown below: E (kJ)…

A: In the graph given 71 kJ is ΔH and 161 kJ is the Activation energy, Ea.

Q: The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction…

A: Given  Ea  = 42200 Joule/mole Higher Temperature ( T2 ) = 343 K  Lower Temperature ( T1 )  = 325 K…

Q: The activation energy Ea for a particular reaction is 42.2 kJ/mol. How much faster is the reaction…

A: Initial temperature of the reaction (T1) = 322 K Final temperature of the reaction (T2) = 343 K Let…

Q: 50 45 40 35 30 25 20 15 10 A Extent of reaction (a) Which letter represents the activated complex? O…

A: This is the potential energy diagram which is explained by the reaction mechanism  To explain this…

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: er 2 800 705 kJ 600 497 kJ PE (kJ) 400 200 175 kJ 100 Reaction Progress Ceated by E Lee for Virtual…

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