February 7, 2016

Posts by Sue

Total # Posts: 941

I plugged in the answer that you found for x...thank you comes out to be 1.79 x 10^-5....not 1.75 x 10^ there another way to solve for x?
January 19, 2008

I dont know how to solve for x in this equation.... 1.75 x 10^-5 = (x^2)/(0.10-x)
January 19, 2008

1.75 x 10^-5 = [x][x]/[0.10-x]? I'm completely lost...
January 18, 2008

A student prepared a 0.10 M solutino of acetic acid, CH3COOH. Acetic acid has a Ka of 1.75 x 10^-5. What are the hydronium ion concentration and the pH of the solution?
January 18, 2008

At a particular temperature a 2.0 liter flask contains 2.0 mol of H2S, 0.40 mol of H2, and 0.80 mol of S2. Calculate the equilibrium constant for the reaction: 2H2(g) + S2(g) <--> 2H2S(g)
January 18, 2008

Laurie, This isn't cheating it's asking for help because UoP is a freakin joke of a school
October 23, 2007

i need to make a clock using the same interger
September 23, 2007

what is the slope of line y-3=2(x+7)?
September 11, 2007

Joshua originalle bought two hundred shares of stock three years ago. The company has since had a 2 for 1 stock split. Joshua's entire investment in stock has increased in value by 20%. He originally paid $8,600 for the stock. What is the current price per share of? The ...
May 31, 2007

A person with a deficiency with IgA, what type of pathogen might this person be susceptible to? virus? mycobacteria? or extracellular bacteria? The person would be susceptible to bacteria entering the mouth, nose, and lungs, and esophagus.
May 2, 2007

What are two mechanisms by which phagocytes kill bacteria once they are taken up into a phagosome?
May 2, 2007

Which term best describes the measure of the increase in the concentration of a product per unit time? activation energy, kinectics, reaction reaction rate, reaction time im stuck i think its activation energy can someone confirm this or let me know what is the correct anwser...
April 28, 2007

Is 3:1:1 hexane/acetone/acetic acid a more polar or non-polar solvent? more polar or non-polar solvent than what? 3:1:1 hexane/acetone/acetic acid would be considered quite a polar solvent mix. But as DrBob says more polar than with what?
April 25, 2007

s u t a e l p
April 16, 2007

Business law
Information which comes to the knowledge of an agent is: a) required to be communicated to the principal in all circumstances. b)is imputed to the principal. c) can be disclosed to the principal only with the third party's consent. d) will result in termination of the ...
April 10, 2007

What are the requirements for the career of medical assistant? Do you have to be certified? Is there a special section of state goverment in MN that deals with certification or other necessary requirements? This site will give you the information you need http://www....
April 4, 2007

A Aircraft company's capital structure is made up of 40% debt and 60% common equity (both at market values). The interest rate on bonds similar to those issued by the company is 8%. The cost of equity is estimated to be 15%. The income tax rate is 40%. The company's ...
March 11, 2007

Quantum Physics
How is it a substance can emit photons of visible light after absorbing ultra violet photons but not with infrared radiation The re-emitted photons must be of lessor energy (longer wavelength) than the incident photons. In a one-photon absorption process, the absorbed photon ...
March 11, 2007

social studies Hinduism
Looking for information on hinduism: 1) Considering that Hiduism lacks a united belief system, what makes up the hindu religion? 2)What are the cultural and societal influences taht have made hinduism vital to the region in which it originated? 3) Explain the desire for ...
March 9, 2007

why can adults continue to function relatively normally after surgery to remove the thymus or spleen?
February 25, 2007

column chromatography
A student loaded a mixture, dissolved in 1cm3 of dichloromethane, CH2Cl2, onto a small flash chromatography column and then proceeded to elute with hexanes/ethyl acetate 10:1. He/she found that all of the mixture came off in the first 4 fractions, with no separation. What ...
February 18, 2007

The following two solvents systems were found to separate compounds x and y by flash column chromatography: X- hexanes/ethyl acetate 10:1 Y- hexanes/ethyl acetate 10:4 which is more polar X or Y? Which solvent system must be used first?
February 18, 2007

Religion, Help
compare and contrast the lives of Jesus and Mohammed in relation to each respective religion.
February 3, 2007

Need Major differences and commonalities apparent between Mexican Americans and Puerto Ricans Thank you for using the Jiskha Homework Help Forum. The first site will give you information about the different areas of the U.S. where they tend to live:
January 30, 2007

culture ethics
I need two to three charateristics of orientalism. How may orientalism and prejudice contribute to hate crimes against these groups? This site will give you the characteristics of Orientalism. Very strange, I found your exact question ...
January 16, 2007

Jewelry markings
December 17, 2006

A contest entrant has a .00001 probability of winning $5,000.00. If this is only prize and the entry fee is $20.00, then what is the expected value? Regardless of what you pay for an entry "ticket" its expected value is in this case (probability of winning) x (prize ...
December 12, 2006

Cash Budgeting Question
I have no idea
December 10, 2006

the big idea of energy
If it's any comfort to anyone I have a PhD in physics and I have never heard of the Big Idea of Energy either!
December 5, 2006

Males make a mean of 531 on math SAT with standard deviation of 114. Minimum 600 score. what's the % of males that don't satisfy this requirement? Pregnancies usually distributed mean of 268 days and standard distribution 15 days. Baby born three week premature at ...
December 5, 2006

Using standard deviation. Normally distributed mean of 0 degrees standard deviation of 1.00 degrees celcius. 1. between 0 and 1.28 2. greater than 0.37 3. less than -0.92 4. between 1.50 and 2.50 5. between -0.90 and 1.95 6. less than 0 I don't know how to solve these ...
December 5, 2006

Find the probability of correctly answering the first 2 questions on a multiple choice test if random guesses re made and each question has 6 possible answers. My answer is 1/36 Assume that the data has a normal distribution and the number of observations is greater than 50. ...
December 4, 2006

algebra 1
the sum of a & b is twice as big as n That statementcan be written as the equation (a+b) = 2 n Are there any more parts to your question? It is not possible to say what a, b or n is, exactly. The equation is a relationship between the three numbers.
November 13, 2006

What is the differecne between a weaseler and a downplayer. Since this is not my area of expertise, I searched Google under the key words "weaseler downplayer" to get these possible sources:
October 19, 2006

What learning resources are avavilable over the Internet?
September 20, 2006

What sources can users learn more about computers? Since you have a computer and access to the internet, you should use search engines to narrow your quest for information.
September 20, 2006

How do you know the state of an element or compound when writing chemical equations? Unless otherwise known, assume the state of the element at room temp. Here is the real problem. For aqueous compounds, ie, compounds dissolved in water, you have to have that given. There is a...
September 16, 2006

Distinguish between table salt dissolving in water and sugar dissolving in water. The formula for table sugar is C12H22O11. It freely dissolves in water as the sugar molecules; i.e., it is in solution as C12H22O11. On the other hand, table salt is NaCl. When it dissolves in ...
September 11, 2006

Personal Finance
compare a reular cash dividend with a periodic share repurchase
August 1, 2006

sound waves
What a vibrating object dose to the air particles around it? It makes them move...creating pressure waves that propagte thru the air, which we detect as sound if it is in the "sound" frequency wave
June 16, 2005

what a vibrating object dose to the air particles around it? The vibrating object sends out a pressure-variation (sound) wave of compressions and rarefactions, with a frequency equal to the vibration rate.
June 16, 2005

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