Q Q 1. LDA, -78 °C A 2. CH3CH2Br (1 equiv) 1. NaOCH2CH3, 25°C B 2. CH3CH2Br (1 equiv) 1. LDA, 100 °C C 2. CH3CH2Br (1 equiv) 1. NaOCH2CH3, -78 °C D 2. CH3CH2Br (1 equiv) Done CH2CH3 ⚫CH2CH3 @ Q 1. LDA, -78 °C A 2. CH3CH2Br (1 equiv) 1. NaOCH2CH3, 25°C B 2. CH3CH2Br (1 equiv) 1. LDA, 100 °C C 2. CH3CH2Br (1 equiv) 1. NaOCH2CH3, -78 °C D 2. CH3CH2Br (1 equiv) Done

What is Keg for the reaction 2S03(g) = 2S0,(g) + 02(g)? OA. K [So, f10,1 [So,P O B. Ke 2(SO,] 2[SO, ||0,] [So, F [SO, P10,1 C. Kea O D. K

3. Write the Keq constant expression for each reaction below. a. 2CIF (g) + O2 (g) Cl₂O (g) + OF2 (g) b. 2AlCl3 (s) 3Cl2 (g) + 2Al(s) c. 2F2 (g) + O2 (g) 20F2 (g) d. 3NO2 (g) + H₂0 (1) 2HNO3 (aq) + NO (g)

Please choose the correct expression and circle it.

1.Physical or chemical change that occurs with no outside assistanceSuccessives ProcessesSpontaneous ProcessesChemical ProcessesTransient Processes2. Determine the “disorder of the system” NH3 (g) → NH3 (aq) NegativePositiveDecreaseIncrease3. When does “the measure of the disorder of a system” increase?greater product molecules than reactant moleculesTemperature decreasePhase Change form solid to gasWhen a substance is formed from parts4. Determine the “disorder of the system” FeS (s) → Fe2+(aq) + S2-(aq)Decrease Positive Negative Increase5. 4. In a________, changes occur to the fundamental particles of the nucleus of an individual atom which means that the atom changes from one element to another.Nuclear FissionChemical ReactionNuclear ReactionNeutral Reaction

The equilibrium reaction of propyl alcohol (C3H,OH) and acetic acid (CH3COOH) resulting from the hydrolysis of propyl acetate (CH3COOC3H;) is given below. CH3COOC3H, + H20 CH3COOH + C3H5OH Which of the following is the equilibrium (K) constant? O a. K = [CH3COOHJ [C3H7OH] / [CH3COOC3H;] [H2O] O b. K = [CH§COOH] [C3H;OH] / [CH3COOC3H;] O c. K= [CH3CO0C3H7] [H20] / [CH3COOH] [C3H7OH] O d. K = [CH3COOC3H;] / [CH3COOH] [C3H;OH]

7 4 (a) Calculate the value of Kc for the reaction: PC15 (2) PC13 (g) + Cl2 (g) AH = Positive Given that when 8.4 mol of PCls (g) is mixed with 1.8 mol of PC13 (g) and allowed to come to equilibrium in a 10 dm³ container the amount of PCls (g) at equilibrium is 7.2 mol. Kc = (b) Explain the effect of the following changes below on the value of Kc: (1) Increasing temperature (ii) Lowering the concentration of chlorine (Cl2) (iii) Addition of a catalyst

Hh.201.

At a specific temperature, the reaction:   has Keq = 1.40 x 10-4. At the same temperature, determine Keq for the reaction:

Place these in order of most likely to proceed to completion (products), where 1 is least likely and 4 is most likely. H4GEO4(aq)=H*(aq) + H3GEO4"(aq) Kc= 3.0 x 10-9 H2Te(aq) 2 H*(aq) + HTe (aq) K = 2.3 x 10-3 HBRO(aq) 2H*(aq) + BrO"(aq) Kc= 2.0 x 10-9 H5l06(aq) 2 H*(aq) + H4IO6¯(aq) Kc= 1.0 x 10-3