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December 20, 2014

Posts by jason


Total # Posts: 1,129

chem
why do we add boiling chips or boiling stones before the distillation starts? Boiling chips should never be added to a hot solution!Why? i don't know what the answer is to the first one, but as for the second i think i have a clue. is it that the boiling chips will start a...
November 2, 2008

Math
Okay tell me if thease lines are parallel, perpendicular or neither. y=3x-2 y=1/3x+2
October 28, 2008

algebra
u solve the equation and the point should be the the end of the solution.
October 28, 2008

chem
Thank you soo much for all of your help!!!
October 28, 2008

chem
K2CO3 is an excellent drying agent for some classes of organic compounds. would it be a better choice for an acid (RCO2H)or an amine(RNH2)? why? i know this is RNH2. could it be explained that potassium carbonate itself is basic so it will make water and a salt if mixed with ...
October 28, 2008

chem
what precautions should be observed when an aqueous sodium carbonate solution is used to extract an organic solution containing traces of acid? is it that aqueous sodium carbonate is extremely combustible, which can't be exposed to an open flame?
October 28, 2008

chem
what precautions should be observed when an aqueous sodium carbonate solution is used to extract an organic solution containing traces of acid? is it that aqueous sodium carbonate is extremely combustible, which can't be exposed to an open flame?
October 28, 2008

chem
a crude non acidic product mixture dissolved in diethyl ether contains acetic acid. describe an extraction procedure that could be used to remove the acetic acid.
October 28, 2008

physics
the period of a comet is 100 years. At ists closest approach(perihelion), it is 0.37 AU from the sun. What is the semi-major axis of the comet's orbit? How for does it get from the sun(what is its aphelion distance)?
October 25, 2008

physics
a 9.9*10^23 kg planet orbits a star in a circular orbit. The planet is 5.6 AU away from the star and has an orbital velocity of 32 km/s. What is the mass of the star. (1AU = 1.496*10^11m)
October 25, 2008

physics
The sun rotates around the center of the milky way galaxy at a distance of about 30,000 light years (1ly= 9.5*10^15m). if it takes about 200 million years to make one rotation, estimate the mass of our galaxy. Assume that the mass distribution of galaxy is concentrated mostly ...
October 25, 2008

Vocabularay
First of all, look at the definition in the dictionary: Main Entry: van·guard Pronunciation: 'van-"gärd also 'va[ng]- Function: noun Etymology: Middle English vantgard, from Middle French avant-garde, from Old French, from avant- fore- (from avant ...
October 23, 2008

vocabulary
I dont understand the definition? i was asking for an example...
October 23, 2008

vocabulary
how do u use vanguard in a sentence?
October 23, 2008

Vocab
Does: Ger taut smile revealted the highg levels of stress she went through today make sense? for taut?
October 23, 2008

Vocab
Is she suddenly veered off the road to avoid a deer make sense?
October 23, 2008

Vocab
How do u use veer in a sentence?
October 23, 2008

Math - 9th grade
A company has a 22% profit margin, and has employee fraud of $220,000. Calculate the additional revenue to offset the lost income. Thanks.
October 22, 2008

Math
Thanks Damon. My computation was ($1,400,000 * 0.20) + ($1,400,000) = $1680000
October 22, 2008

Math
You are told that a company has a 20% profit margin, and the discovered fraud has caused $1,400,000 more needed revenue to cover the fraud. how much was stolen?
October 22, 2008

chem
Thanks alot. yeah I was a little confused as to which was more polar.
October 21, 2008

chem
The Rf value of compound A is .34 when the TLC plate is developed in hexane and .44 when the plate is developed in diethyl ether. Compound B has an Rf value of .42 in hexane and .60 in diethyl ether. Which solvent would be better for seperating a mixture of compounds A and B ...
October 21, 2008

chem
why does the addition of a salt (like sodium chloride) to the aqueous layer sometimes help break up an emulsion that forms in an extraction? - sorry about that last post
October 21, 2008

chem
when two layers form during an ether/water extraction, what would be an easy, convenient way to tell which layer is which if the densities were not available?
October 14, 2008

chem
well if it is wet then the solution will contain some impurities from the water or which ever other compound is added to the solution.
October 14, 2008

chem
what are some of the factors that affect melting point besides, impurities, pressure, and having a wet solution?
October 14, 2008

chem
Explain why ethanol and acetone are not suitable solvents for extracting organic compounds from aqueous solutions. does it have to do with their density?
October 14, 2008

Chem
so it would be lower right?
October 13, 2008

Chem
In the previous experiment, you recrystallized salicylic acid. If you were askedto take melting point of your crystals, would it be necessary to dry the salicylicacid crystals thoroughly first? What result would you expect from your melting point determination if you did not ...
October 13, 2008

6th grademath
this is a word problem:the country of hoffnemath is holding its presidential election this week. there three candidates(a,b,c,) and each eligible voter can vote for two of them. the candidate with the most total votes wins the election. here is a summary of the results: >...
October 9, 2008

chem
what is the typical melting range of a compound? I think .5 to 2.0 C is way tooo low.
October 7, 2008

chem
A student in 51LA conducts a melting point experiment with an unknown compound and observes a melting range of 122 – 129 °C. Is this a typical range for a melting point? If not, what range would be typical? Well for a pure compund the meliting range is from .5 to 2.0C...
October 7, 2008

Chem
Thank you. i understand this now.
October 7, 2008

Chem
the solubility of a compound is 59g per 100 mL in boiling methanol and 30g per 100mL in cold methanol, whereas its solubility in water is 7.2g per 100 mL at 95 C and .22g per 100mL at 2C. Which solvent would be better for recrystallization of the compound? Explain. Well this ...
October 7, 2008

stoichiometry
confused
September 23, 2008

English-Symbolism
I need examples of what the Moon has symbolized in literature, history, popular culture, legends, etc. I need to create a paragraph, so ideas will be appreciated.
September 13, 2008

Short story part 1
WHAT ARE CONVENTIONS?
September 8, 2008

language arts: reading
which element is especially significant in this passage?
September 5, 2008

French
ok thanks, I'm sure this'll help ^^
September 3, 2008

French
ok thanks ^^
September 3, 2008

French
no, no I'm not... sorry
September 3, 2008

French
Hey I was in french immersion last year, but now I'm not cuz I moved, and I'm wondering, is there a website so I can catch up on my french so I'll be able to at least UNDERSTAND french? thanks! ~jason~
September 3, 2008

history
dude, I'm sure you can figure this on out easily, just go to google or wikipedia.
September 3, 2008

biology
messages from nerve cells go to the ....... ........ ? please help
August 27, 2008

math
what is the next letter w,s,p,l,h
August 22, 2008

finance (depreciation)
Depreciation is a source of cash inflow because? A. it is a tax-deductible non-cash expense B. is supplies cash for future asset purchases C. it is a tax-deductible cash expense D. it is a taxable expense My answer is A because depreciation is a tax deductable non-cash expense.
July 26, 2008

finance (operational efficiency)
The best indication of the operational effiency of management is? A. net income B. earnings per share C. EBIT D. gross profit I like net income as a metric for measuring operational efficiency of management. The amout of money a corporation has after all the bills are paid is ...
July 26, 2008

finance (bonds vs. perferred stock)
Corporations prefer bonds to preferred stock for financing their operations because A. preferred stocks require a dividend B. bond interest rates change with the economy while stock dividends remain constant C. the after-tax cost of debt is less than the cost of preferred ...
July 26, 2008

finance (risk premium)
The risk premium is likely to be highest for? A. U.S. government bonds B. corporate bonds C. gold mining expedition D. either B or C I like C. I think th risk premium the rate added to the risk free rate would be highest for a gold mining expedition.
July 26, 2008

finance (assumptions)
The cost of capital for common stock is ke=(D1/Po)+g. What are the assumptions of the model? A. growth (g) is constant to infinity B. the price earnings ration stays the same C. the firm must pay a dividend to use this model D. all of the above are assumptions of the model The...
July 26, 2008

finance (total asset turnover)
Total asset turnover indicates the firm's? A. liquidity B. debt position C. ability to use its assets to generate sales D. profitability I read about a asset turnover ratio in the text book. this ratio by itself is useless but when compared to the company and industry ...
July 26, 2008

finance (net income)
If a firm has a break-even point of 20,000 units and the contribution margin on the firm's single product is $3.00 per unit and fixed costs are $60,000, what will the firm's net income be at sales of 30,000 units? A. $90,000 B. $30,000 C. $15,000 D. $45,000 the firm&#...
July 26, 2008

finance (sales on credit)
In general, the larger the portion of a firm's sales that are on credit, the ... A. lower will be the form's need to borrow B. higher will be the firm's need to borrow C. more rapidly credit sales will be paid off D. more the firm can buy raw materials on credit I ...
July 26, 2008

finance (after-tax profit margin)
The ABC Corp. had net income before taxes of $4000,000 and sales of $2,000,000. If it is in the 50% tax bracket its after-tax profit margin is? A. 5% B. 10% C. 20% D. 25% net income $400,000 - 50% taxes = $200,000 $200,000 / $2,000,000 sales = 10% after-tax profit margin
July 26, 2008

Finance (after-tax cost)
Assuming a tax rate of 50%, the after-tax cost of a $200,000 dividend payment is? A. $200,000 B. $100,000 C. $-100,000 D. none of the above O.K., given a $200,000 after-tax dividend payment and a 50% tax bracket. That means the company had at least $400,000 or more before ...
July 26, 2008

finance (retained earnings)
The retained earnings of the firm belong to A. creditors B. prefered stockholders C. common stockholders D. bondholders retained earnings is a company asset. it is money that the company keeps rather than paying a dividend to the stockholders. I like C for my answer retained ...
July 25, 2008

finance (current asset)
An item which may be converted to cash within one year or one operating cycle of the firm is classidied as a.... A. current liability B. long-term asset C. current asset D. long-term liability I like C current asset-the quest is the definition of a current asset Is this correct?
July 25, 2008

finance (capital to corporations)
the financial markets allocate capital to corporations by A. reflecting expectations of the market participants in the prices of the corporation's securities B. requiring higher returns from companies with lower risk than their competitors C. rewarding companies with ...
July 25, 2008

finance (depreciation)
Depreciation is a source of cash inflow because? A. it is a tax-deductible non-cash expense B. it supplies cash cor future asset purchases C. it is a tax-deductible cash expense D. it is taxable expense depreciation is tax deductable because the original purchase of a machine ...
July 25, 2008

finance (stock price)
A firm with earning per share of $5 and a price-earnings ration of 15 will have a stock price of? P/E ratio = stock price / earnis per share 15 = X / 5 X = 15(5) x = 75 FINAL ANSWER stock price is $75.00 Is this correct?
July 25, 2008

finance (efficiency of management)
The best indication of the operational efficiency of management is? A. net income B. earnings per share C. EBIT D. gross profit I like net income as a metric for operational efficiency because net income is how much money the company has after to paid all the bills and taxes...
July 25, 2008

finance (bonds to stock)
corporations prefer bonds to preferred stock for financing their operations because? A. prefered stocks require a dividend B. bond interest rates change with the economy while stock dividends remain constant C. the after-tax cost of debt is less than the cost of preferred ...
July 25, 2008

finance (risk premium)
The risk premium is likely to be highest for A. U.S. government bonds B. corporate bonds C. gold mining expedition D. either B or C I like C the gold mining expedition I that correct??
July 25, 2008

finance (assumptions)
The cost of capital for common stock is ke=(d1/Po)+g. What are the assumptions of the model? A. growth (g) is constant to infinity B. The price earnings ration stay the same C. The firm must pay a dividend to use this model D All of the above are assumptions of the model I ...
July 25, 2008

finance (higher interest rate)
A higher interest rate (discount rate) would? A. reduce the price of corporate bonds B. reduce the price of preferred stock C. reduce the price of common stock D. all of the above I remember reading about the relationship between interest and bonds/stocks. When the FR raises ...
July 25, 2008

finance (asset turnover)
Total asset turnover indicates the firm's A. liquidity B. debt postition C. ability to use its assets to generate sales D. profitability I can't remember the name of the ratio right now, but I remember reading about an asset ratio that is a metric for asset turnover...
July 25, 2008

finance (firm's net income)
If a firm has a break-even point of 20,000 units and the contribution margin on the sirm's single product is $3.00 per unit and fixed costs are $60,000, what will the firm's net income be at sales of 30,000 units? o.k. the break even amount will be 20,000 units time $3...
July 25, 2008

finance firm's sales on credit
In general, the larger the portion of a firm's sales that are on credit, the: A. lower will be the firm's need to borrow B. higher will be the firm's need to borrow C. more rapidly credit sales will be paid off D. more the firm can buy raw materials on credit This ...
July 25, 2008

finance after tax profit margin
The ABC Corp. had net income before taxes of $400,000 and sales of $2,000,000. If it is in the 50% tax bracket its after-tax profit margin is: A. 5% B. 10% C. 20% D. 25% 400,000 take away 50% for taxes leaves 200,000. 200,000 after-taxes divided 2,000,000 total sales = 10% B ...
July 25, 2008

finance dividend payment
I had a light bulb go off above my head. this question is not about the math or numbers...it is a play on words..... the after-tax cost of $200,000 dividend ......after-tax is the key the only way to get to $200,000 after-tax of 50% is to have $400,000 or more before taxes, so...
July 25, 2008

finance dividend payment
Assuming a tax rate of 50%, the after-tax cost of a $200,000 dividend payment is? A. $200,000 B. $100,000 C. $-100,000 D. none of the above please talk me through this one ...I am completely lost
July 25, 2008

finance mortgage payment
What is your monthly mortgage payment on a loan for $150,000, at 6% for 20 years? I used my TI-83.... N=20*12 I%=6%/12 PV=150,000 PMT=0 FV=0 PMT=-1074.646 FINAL ANSWER IS ...$1074.65 per month the negative sign represents a cash outflow
July 25, 2008

Finance (board of directors)
A corporation's board of directors A. is selected by and cna be removed by management B. can be voted out of power by the shareholders C. has a lifetime appointment to the board D. is selected by a vote of all corporate stakeholders I read in the text book that a board of ...
July 25, 2008

finance (structure of interest rates)
Some analysts believe that the term structure of interest reates is determined by the behavior of various types of financial institutions. this theory is called the: A. expectations hypothesis B. segmentation theory C. liquidity premium theory D. theory of industry supply and ...
July 25, 2008

finance (General Motors Stock)
When Patricia sells her GM common stock at the same time that Brian purchases the same amount of GM stock, GM receives: A. the "spread" between the Bid and Ask of the transaction B. The dollar amount of the transaction, less brokerage fees. C. only the par value of ...
July 25, 2008

finance (inventory financing)
thank you
July 25, 2008

finance (inventory financing)
The extent to which inventory jinancing may be used depends on A. marketability of pledged goods B. price stability of goods C. perishability of goods D. all of the above Well if I were a loan officer at a bank I would want to know all of this infomation prior to approving a ...
July 25, 2008

finance (saving for $1,000,000)
thank you
July 25, 2008

finance (saving for $1,000,000)
At age 5, how much would you have to save per month to have $1 million in your account at age 65, if your investment rate was 10% per year? Assume no taxes and compounding on a monthly basis. I use my TI-83..... N=(65-5)*12 I%=10%/12 PV=0 PMT=0 FV=1,000,000 I used the solver ...
July 25, 2008

finance
thank you for expanding the answers with words that I better understand o.k. A - is not conservative it is aggressive in my opnion B - is more conservative than A, but risky, I might end up living under a bridge and robbing liquor stores. C - is always risky (not conservative...
July 25, 2008

finance
A conservative financing plan involves A. heavy reliance on debt B. heavy reliance on equity C. high degree of financial leverage D. high degree of combined leverage This question is making my brain hurt, it seems straight foward, but I am still rather inexperienced with basic...
July 25, 2008

finance 3 questions
Some analysts believe that the term structure of interest rates is determined by the behavior of various types of financial institutions. This theory is called the A. ANSWER Expectations hypothesis B. Segmentation theory C. Liquidity premium theory D. Theory of industry supply...
July 25, 2008

finance 2 questions
9. When Patricia sells her General Motors common stock at the same time that Brian purchases the same amount of General Motor's stock, General Motors receives: A. The spread between the bid and ask of the transaction B. The dollar amount of the transaction, less brokerage ...
July 25, 2008

finance (please review my thought process and ans)
4. A conservative financing plan involves A. ANSWER Heavy reliance on debt B. Heavy reliance on equity C. High degree of financial leverage D. High degree of combined leverage I chose (A) because financial leverage is the use of debt financing. 5. At age 5, how much would you ...
July 25, 2008

finance
I answered 31 questions for this homework assignment, please tell me which ones are wrong, so I can fine to my study plan. Thank you for your help. 4. A conservative financing plan involves A. ANSWER Heavy reliance on debt B. Heavy reliance on equity C. High degree of ...
July 25, 2008

finance 32
32. the financial markets allocate capital to corporations by A. reflecting expectations of the market participants in the prices of the corporation's securities B. requiring higher returns from companies wih lower risk than their competitors C. rewarding companies with ...
July 24, 2008

finance 34
34. The retained earnings of the firm belong to A. creditors B. preferred stockholders C. common stockholders D. bondholders I chose (C) common stockholders, because the equity section is divided into two accounts 1. common stock and 2. retained earnings. The common stock ...
July 24, 2008

finance part 2
11. Whit a Subchapter S corporation A. corporate income is taxed as directed income to stockholders B. stockholders have the same liability as members of a partnership C. the number of stockholders is unlimited D. life of the corporation is limited 12. Some analysts believe ...
July 23, 2008

finance
1. The belief that investors require a higher return to entice them into holding long-term securities is the viewpoint of the A. the expectations hypothesis B. segmentation theory C. the liguidity premium theory D. market credit crunch theory 2. The market allocates capital to...
July 23, 2008

english 3
Why did Ratcliffe replace the original president?
June 26, 2008

French
or is it better to start with Le meilleur metier pour moi est un medecin.
June 4, 2008

French
How do you say my dream job is to be a doctor? Mon meilleur metier est ....
June 4, 2008

BIOLOGY
Is DNA found in the nucleus, cytoplasm, or both? Is RNA found in the nucleus, cytosplasm, or both?
June 1, 2008

algebra- FINAL UNIT!!
Hi! My name is Jason, I needed help studying for tomorrow's test. The exam is on number problems. EX. One positive number is 4 times another. IF 240 is divided by each number, the greater quotient exceeds the lesser by 15. Find the two numbers. Also, there will be some ...
May 20, 2008

Accounting Question
Below are two questions from my accounting class. I am not sure how to approach this kind of problem. Any help or suggestions would be greatly appreciated. Thanks in advance! ------------------------------ The following trial balance of Trane Corp. at December 31, 2001 has ...
May 11, 2008

chemistry
What is the pH value if you take into account that the 8.00 mL of 0.10 M HCl was first diluted with 100 mL of water and titrated with 1.60 mL of the 0.10 M NaOH i know that the concentration of HCl after diluting is .008M but than im not sure how to convert that to mols which ...
May 4, 2008

Physics
4th order dark fringe and 2nd order bright fringe spaced 2.5 cm aparte appear on the screen placed 1 m behind the double slit. What is the spacing of the slits if the wavelegth ofincident light is 500nm? First I converted the numbers: x= .025m wavelength= 5x10^-7m L=1m d=? I ...
April 30, 2008

Physics
A powerful particle accelerator, called Large Hadron Collider, will be able to accelerate protons to 14TeV(tetraelectravolt)(1TeV= 10^12eV) of energy. a)what is the relativistic mass of a proton that has a total energy of 14TeV? (express you answer in MeV/c^2) to convert 14Tev...
April 23, 2008

Physics
If the distance between two slits is .05mm and the distance to the screen is 2.5m find the spacing between the first and second order bright fringees for yellow light of wavelenght 600nm. d=5x10^-5m L=2.5m wavelength= 6x10^-7m x=? x=wavelength*L/d =(6x10^-7)(2.5)/5x10^-5m =....
April 23, 2008

History
What country did cuba win its independence from at the start of the 20th century ?
April 19, 2008

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