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3. You are performing the titration of a buffer with a pKa of 7.3. You start at the pKa, and after 4mL of 1M HCl your buffer reaches pH 6.3. How many more mL of HCl should you need to go to pH 5.3 ? (4mL, more, or less than 4mL ?) Clearly explain your answer

\table[[Item,\table[[u_curradurs ule Deposits],[Dollars]]],[Small Time Deposits,

A spherical balloon is being inflated. Find the rate (in

) of increase of the surface area (

) with respect to the radius

when

is each of the following. (a)

(b)

Journal Entries for Merchandise Transactions on Seller's and Buyer's Records-Periodic System The following are selected transactions for Fenton, Inc., during the month of January: \table[[Jan. 18,Sold and shipped on account to Lawrence Stores merchandise for

with terms of

.],[Jan. 25,Lawrence Stores was granted a

allowance on goods shipped January 18 .],[Jan. 27,Received from Lawrence Stores a check for full settlement of the January 18 transaction.]] Required Prepare journal entries for (a) Fenton, Inc., and (b) Lawrence Stores. Both companies use the periodic inventory system. Sellers journal entries Buyer's journal entries Inventory Costing Methods-Perpetual Method The Lippert Company uses the perpetual inventory system. The following July data are for an item in Lippert's inventory: \table[[July,1,Beginning inventory,30,units @,

,per unit],[,10,Purchased,50,units @,

,per unit],[,15,Sold,60,units @,,],[,26,Purchased,25,units @,

,per unit]] Calculate the cost of goods sold for the July 15 sale using (a) first-in, first-out, (b) last-in, first-out, and (c) the weighted-average cost methods. Round your final answers to the nearest dollar. \table[[A.,First-in, First-out:,],[Cost of Goods Sold:,

Discuss the role of sustainability metrics in evaluating the environmental impact of civil engineering projects.

(3 pts) Assume the TLC plate shown is the exact size as the actual plate. Calculate the

values for all the spots using a centimeter ruler. Show your work. iolation lution after 10 minutes of stirring (3 pts) What does the TLC plate reveal? Consider why the " 10 minute" lane was useful to see. Consider whether the product is pure or not. Be specific. (2 pts) I think better separation can be achieved between spots in the same lane if they did not travel as far up the plate. Suggest a new solvent to develop the plate in and explain why you chose that solvent or solvent mixture.

If you randomly surveyed 250 citizens living in the City of Chicago, would this be a population or a sample? Group of answer choices Sample PopulationIf you randomly surveyed 250 citizens living in the City of Chicago, would this be a population or a sample? Group of answer choices Sample Population

Question 1 (1 point) An AC motor is spinning at

. The power is switched off and the motor slows uniformly to rest in 47 seconds. What is the magnitude of the angular acceleration of the motor during this time period?

A

Simulation 2 Financial information is presented here for two companies: Brimmes Company Elridge Company Sales $ 90,000 ? Sales Returns ? $ 5,000 Net Sales 81,000 95,000 Cost of Goods Sold 56,000 ? Gross Profit ? 38,000 Operating Expenses 15,000 ? Profit ? 15,000 Instructions a) Fill in the missing amounts. Show all calculations. b) Calculate the gross profit margin and profit margin for each company. Comment on the results

A. B. C. Mission, vision, and values Match each statement in the following table with the appropriate term. A. B. C. Strategy implementation Mission, vision, and values Mat Human resources pwing table with the appropriate term. A. B. C.