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Page < 2 > of 8 ZOOM + 1) Draw the mechanism for the formation of...
1) Draw the mechanism for the formation of 2-bromopropane. Use the mechanism to explain why 1-bromopropane is not formed in this reaction. (10 points) HB Nol 2) Draw the mechanism for the reduction of methylethylketone by sodium borchydride (10 points) o NABH OH + HO
Page < 4 > of 6 ZOOM 8. A student prepares a buffer by adding 0.05 mol of potassium hydroxide to 0.10 mol of phenol (PhOH, pka = 10.0) to make 1.0 L of an aqueous solution. (a) What is the weak acid in this buffer? (b) What is the weak base in this buffer? (c) What is the pH of this buffer? Do not use any equations. Instead, explain your reasoning in words.
Page < 2 > of 3 ZOOM 1. A formula is given below for the nth term a, of a sequence [an]. Find the values of a4, 22 a3, and as. Simplify your answers. a. (–1)n-13n (n + 1)! b. 2" er-1
2 3 4 page 11 page 8 5 6. Draw the (curved arrow) mechanism for the following transformations. Be sure to rationalize the stereo- and regiochemistry (if any) in each case. + HBr + Br Br2 CH2Cl2 ca "Br
Page < 2 > of 5 - ZOOM + EX 16-1 Transactions in a job order cost system Obj. 2 Five selected transactions for the current month are indicated by letters in the following T accounts in a job order cost accounting system: Materials Work in Process (a) (a) (b) (0) (d) Wages Payable (b) Finished Goods (d) Factory Overhead (0) Cost of Goods Sold (a) (e) @ Describe each of the five transactions.
Page < 2 > of 3 ZOOM 3. Use the Integral Test or a Comparison Test to determine if the series shown below converges or diverges. Be sure to check that the conditions of the Integral Test or Comparison Test are satisfied. 4" (sin 4"(sin(n) + 1) 22-1
Page < 3 > 0f 4 0 - ZOOM 6) Suppose you want to have loogoo at the end of ② 10 years in your bank savings account and 5% Interest will be pard annually, how much should you put into the Savings account now? 3) Draw a cash flow diagram. 3) Solve the problem by formula. in Solve the problem buy table fie centround interest tables) sources lo e A SLOB earch
propose a mechanism for the formation of this
compound.
the the major ketal product is ethyl acetoacetate
ethylene ketal.
4. (in H22 Os veyi acciacciate. 4. The ketal product contains a minor amount (< 0.1%) of a substance, C4H20s whose molecular structure contains ester and ketal groups. Propose a structure for the compound and a mechanism for its formation.
Page < 2 of 5 - ZOOM + Use the following to answer questions 18-21 GOL Inc., begins the year with inventory of $51,200 and ends the year with inventory of $44,300. During the year, the following amounts are recorded: Sales Sales returns & allowances Sales discounts Purchases Operating expenses $900,000 6,700 15,000 582,300 212,000 _Net Sales _Calculate cost of goods sold Gross profit 21. % Gross profit ratio (rounded to once decimal place) Chapter 6 Page 6-2 Use the...
Page < 5 > of 9 0 - ZOOM + 2. A construction site uses two types of workers - skilled (s) and unskilled (U). They produce feet of new pavement (Q) per day according to the production function Q = 1005 - 5S? + 50U - 5U2 Skilled workers are paid $200 per day, while unskilled workers are paid $100 per day. The company paid $40,000 for equipment for the skilled workers. The company has a daily budget of...