May 25, 2016

Posts by dan

Total # Posts: 1,113

"The percentage of sodium hydrogen carbonate, NaHCO3, in a powder for stomach upsets is found by titrating .275 M hydrochloric acid. if 15.5 mL of hydrochloric acid is required to react with .500 g of the sample, what is the percentage of sodium hydrogen carbonate in the ...
October 19, 2006

how do i balance this equation: sodium hydroxide reacting with sulfurous acid [1 mol sulfurous acid reacts with 2 moles hydroxide ion] my hydrogens aren't balancing right 2 NaOH + H2SO3 -> Na2SO3 + 2 H2O ah thx, i accidently wrote H3O Why are oxygen tanks and spacesuits...
October 19, 2006

population of wales Check this site for the population of Wales plus a lot of additional information about this part of the United Kingdom.
October 9, 2006

Assuming the molor mass of paraffin is 280 g/mol, calculate the # of mols of paraffin burned. Then calculate the heat of combustion of paraffin in kJ/mol I don't think I can help you with the information provided. We need an equation (although we can wing that one) but we ...
September 26, 2006

RE: accounting
When posting a journal entry how would I post the following. March 9 Completed a 7,500 project for a client who must pay within 30 days. March 22 Received 3,500 cash as a partial payment fro the work completed on March 9 Please help immediately thanks Thank you for using the ...
September 12, 2006

I need to post a journal entry and a trial balance. Can anyone help???
September 11, 2006

I have to prepare a income statement with the following info. I don't understand it. cash 11,360 Accounts Receivable 14,000 office supplies 3,250 land 46,000 office equipment 18,000 accounts payable 8,500 owner investments 84,000 cash withdrawals by owner 2,000 consulting ...
September 6, 2006

Simplify 36x^2 y^4 a^-2 ____________________ 72a x^-1 y ^ means power I answreed this above.
September 5, 2006

Hi all. Be sincere; be brief; be seated. I am from Sierra and learning to write in English, give please true I wrote the following sentence: "Find discount coupons and deals for cheap airline travel tickets at online stores with couponmountain." With best wishes :(, ...
July 20, 2006

hi guys can you please answer some of these stuff? its for my business case about business philos and strategies.. i need everyones opinions and answers.. here goes: 1. Using the operations system model, describe fully kripy kreme’s production philosophy? How does it ...
July 1, 2006

ionic or covalent
Citric acid is a moleule with entirely covalent bonds. Covalent componds can dissociate (weakly) into ions in solution, after all water itself dissociates to a small degree. Citric acid is an organic acid; it does dissociate (weakly) however the bonds that hold the hydrogens ...
June 19, 2006

word problem
A person invests $7,500 part at 5% and the remainder at 4% simple interest. If the total interest at the end of the first year was $346.50, find the amount invested at 4%. total interest=346.5=7500*.05 + x*.04 solve for x. ooopsss, I misread the problem. The total amount ...
July 17, 2005

word problem
A person invests $7,500 part at 5% and the remainder at 4% simple interest. If the total interest at the end of the first year was $346.50, find the amount invested at 4%. Let x = amount invested at 5% Let (7500 - x) = amount invested at 4% 0.05x + 0.04(7500 - x) = 346.50 HINT...
July 17, 2005

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