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According to the question, we have the hypothetical molecular collisions and we need to predict which of them will form potential products, given the values for the energy of activation, Ea, and enthalpy of the reaction, del H, in combination with the molecular orientation.
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- Refer to the following potential energy diagram for the reaction: XY→ X+Y Potential Energy 400 300 200 100 100 kJ 400 kJ 200 kJ Reactants O-200 kJ 300 kJ Activated complex Reaction Pathway What is the enthalpy change (AH) for the reverse reaction: (a) (b) (c) ProductsWhich statement is correct regarding the following reaction? (OC);Mn0)-Mn©(CO)s + Br2 -- -> 2Mn(÷1)Br(CO)5 The product has a higher CO frequency than the reactant. The product has a lower CO frequency than the reactant. The product has the same CO frequency than the reactant. A 16-electron complex is converted into an 18-electron complexConsider the following hypothetical molecular collisions and predict which of the following will form potential products, given the values for the energy of activation, Ea, and enthalpy of the reaction, AH, in combination with the molecular orientation. Check all that apply. • View Available Hint(s) E,=7.55 kJ, AH = +9.56 kJ E, = 6.36 kJ, AH = -3.58 kJ E,= 0, AH =+1.28 kJ Cl o Cl o Cl ci - E, = 4.58 kJ, AH =+5.38 kJ FF E, = 2.48 kJ, AH=-5.98 kJ
- Consider the following hypothetical molecular collisions and predict which of the following will form potential products, given the values for the energy of activation, Ea, and enthalpy of the reaction, AH, in combination with the molecular orientation. Check all that apply. • View Available Hint(s) E,=7.55 kJ, AH = +9.56 kJ E, = 6.36 kJ, AH=-3.58 kJ %3D Clo + Clo E,= 0, AH=+1.28 kJ NO E, = 4.58 kJ, AH =+5.38 kJ F F E, = 2.48 kJ, AH=-5.98 kJ %3D2. Draw the extended potential energy diagram for the following reac- tion: C2H6(g) + 02(g) → CO2(g) + H20(g) + 2502 kJ Label the reactants, products, enthalpy change, activation energy, and activated complex. (. )(f) The following data were recorded for the bimolecular reaction of CIO free radicals as a function of temperature: TIK 298 312.5 323 k/ 10-15 cm3 molec-1 s-1 11.30 11.80 12.10 Determine the Arrhenius parameters A and Ea for this reaction.
- A reaction profile (not to scale!) for the reaction NO, + CO–NO+ CO, is shown below: Е (kJ) 132 NO2 + CO 226 NO + CO2 Reaction Coordinate Which of the following are true? Choose all that apply. |AE is positive. O The energy of the products is lower than the energy of the reactants. O The reaction is exothermic. O If the energy of the activated complex were increased, Ea would increase.[Review Topics] [References] Use the References to access important values if needed for this question. A reaction profile (not to scale!) for the reaction C₂H4+ HC1 C₂H5 Cl is shown below: E (KJ) C₂H4 + HCI 70 205 Reaction Coordinate C₂HCI Which of the following are true? (Select all that apply.) OThe magnitude of Ea for the reverse reaction is larger than 205 kJ. Othe energy of the products is lower than the energy of the reactants. OThe value of AE in the presence of a catalyst would be smaller than -70.0 kJ. OAE is positive. OThe value of Ea in the presence of a catalyst would be larger than 205 kJ.Consider the following hypothetical molecular collisions and predict which of the following will form potential products, given the values for the energy of activation, Ea, and enthalpy of the reaction, AH, in combination with the molecular orientation. Check all that apply. ► View Available Hint(s) 0 C16 FF E₂ = 0.59 kJ, AH=-1.28 kJ E-0, AH +1.28 kJ E₁ = 2.48 kJ, AH=-5.98 kJ E = 6.36 kJ, AH=-3.58 kJ E₂=7.55 kJ, AH=+9.56 kJ E₂-4.58 kJ, AH=+5.38 kJ
- Activated complex 400 (b) 300 Products Potential Energy (a) 200 (c) 100 Reactants Reaction Pathway Activated complex 400 (b) 300 Products Potential Energy (a) 200 (c) 100 Reactants Reaction Pathway Alex thinks that the graph above represents an exothermic reaction and the AH = +400kJ and energy will be released in this reaction. Is Alex correct? If not, find his error and then correct it with explanation. %3DIn a study of the rearrangement of ammonium cyanate to urea in aqueous solution at 50 °C NH,NCO(aq)→(NH,),CO(aq) the following data were obtained: (NH,NCO], M 0.146 1.83x10 2 S.66x10 7.30x102 3.65x102 minutes 2.44x10 812 Hint: It is not necessary to graph these data. (1) The observed half life for this reaction when the starting concentration is 0.146 M is concentration is 7.30x102 M is min and when the starting min. (2) The average A(1/[NH,NCO]) / At from t= 0 min to t- 812 min is The average A(1/[NH,NCO]) / At from t= 812 min to t= 2.44x103 min is M1 min M' min . (3) Based on these data, the rate constant for this v order reaction is M1 min !6. Calculate the standard free energy changes and the equilibrium constant of the given reaction at 25 °C and determine its spontaneity. Use appendix 3 for the thermodynamic data H₂(g) + I2(g) → 2HI(g)