Using the blank graph space below, draw an energy diagram/profile for a reaction that includes the following features: a. The reaction Enthalpy (kJ) occurs in three 600 steps b. The rate- 500 determining step is the second step 400 c. The overall enthalpy of the 300 reaction is -200 kJ d. The activation 200 energy of the 3rd step is 50 kJ 100- Reaction Progress
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- 2. Energy diagrams for two reactions are shown below. Reaction A Reaction B 70 40 - 60 - 20 50 40 - 30 -20- 20 40 10 60 Reaction Coordinate Reaction Coordinate Which reaction happens faster? Justify your choice with data from the graphs. (jow/r) Kaaug1. From the energy diagram shown to the right. 250 a) What species has an energy of 25O kJ? b) Calculate Ea. c) Calculate AH. d) Is the overall reaction endothermic or 200 PE 150 (kJ) ... 100 exothermic? 50 Reaction pathwayWondershare PDFelement Pro 檔案 編輯 檢視 工具 前往 窗口 說明 70% [4) A АВС 週五下午8:31 3. The following diagram shows an energy profile for an uncatalysed reaction. EXLSX pject3 If reactant products Reaction coordinate Mini Project (Crime Situation) (a) Referring to the energy profile, state whether the reaction is exothermic or endothermic. Explain briefly. (b)(i) In the above diagram, draw a labelled energy profile for the catalysed reaction. (ii) Hence, explain why the catalyst can speed up the reaction. PAGES Energy
- The diagram below shows the energy profile for a reaction. D M. В E C A Reaction progress Species labeled D is called EnergyUsing the template below, draw and upload as an attachment a reaction energy diagram (reaction coordinate diagram) for a one-step, exothermic reaction: (kJ/mol) E A + B --> C reaction progressWhat is the major organic product of the following reaction? H,0/ heat HO2C. .co.CH .co.H HO,C HO HOC (A) (В) (C) (D)
- B' B D' E Es (E in kJ) Reaction progress → Match the labels with the correct quantities by examining the diagram above: E, + Ez 1. Ealfwd), uncatalyzed 2. Ea(rev), uncatalyzed 3. enthalpy change, forward reaction B 4. activated complex, uncatalyzed E1 reaction A 5. reactants Eg - Eg 6. enthalpy change, reverse reaction 7. activated complex, catalyzed D reaction Eg - E4 8. products Energy of onolecules > D000Which energy levels precede and succeed 4s ?Which of the following resction is fastest? ÇOOH ÇOOH A. B. A Fe C. A Fe A Fe E. A Fe 3. OA A OB B OCC ODD OE E
- X D2 Grades - CHE1011C41 Intro to CX signmentProblemID=195546712 100 11 Part A O exothermic reaction O endothermic reaction Classify reaction as exothermic or endothermic. Gas burning in a Bunsen burner: CH4(g)+20₂ (g)→CO₂ (g)+2H₂O(g) +802kJ Submit Part B Give AH for reaction above. Express your answer as an integer. Request Answer VE ΑΣΦ 1 Submit Part C Request Answer MasteringChemistry: Chapter 7 X + * lii ? kJ NO & Review Constants 43°F ^ @ (4¹) 23. Consider the following set of reactions: Overall reaction: CH4g) + NH3() → HCNe) + 3 H2(8) AHoverall = ??? kJ Reaction 1: N2(e) + 3 H2(g) → 2 NH3(8) Reaction 2: Cs) + 2 H2(g) → CH4L8) AH1 = -91.8 kJ AH2 = -74.9 kJ Reaction 3: H2(e) + 2 Cs) + N2(8) → 2 HCN(g) AH3 = +270.3 kJ a. What must be done to Reaction 1 to get NH3 on the reactant side? What is the resulting value of AH1? (Do not forget the unit) b. What must be done to Reaction 2 to get CH4 on the reactant side? What is the resulting value of AH2? (Do not forget the unit) What must be done to Reaction 3 to get one mole of HCN on the product side? (Do not forget the unit) С. What is the resulting value of AH3? d. Calculate the AHoverall by doing a summation of the modified reactions 1-3. (Do not forget the unit) CHM 111 May iversityWhich reaction is most likely to have a positive ASys? a) SiO2(s) + 3 C(s) b) 6 CO2(g) + 6 H¿O(g) c) CO(g) + Cl2(g) d) 3 NO:(g) + H2O(1) 2 HN0;(1) + NO(g) SiC(s) + 2 CO(g) - CH12O6(8) + 6 O2(8) - COCI2(g)