1. GENERAL CHEMISTRY

CALCULATE THE pH AND HYDROLYSIS IN 0.10 M AlCl3 SOLUTION.Ka = 1.2 X 10-5 FOR [Al(OH2)6]+3,OFTEN ABBREVIATED Al+3.TELL WHETHER pH IS ACID OR BASE.GIVE IONIC EQUATION. Help us a little by telling us how much you know to do and exactly what you don't

2. Lord of the Flies- English

What is the significance of Piggy's plea to join the expedition? -Thanks I have never read this book -- and don't plan to! But you can check at these sites for some ideas. www.sparknotes.com/lit www.pinkmonkey.com www.enotes.com

3. INB

Last year Rattner Robotics had \$5 million in operating income (EBIT). The company had net depreciation expense of \$1 million and interest expense of \$1 million; its corporate tax rate was 40 percent. The company has \$14 million in current assets and \$4

4. Chemistry (Inorganic)

Given the two substances Sodium Nitrate (NaNO3) and Urea ([NO2]2CO), why is it that urea has a lower boiling point? I thought that the nitrate would because urea has the double bond which makes it more stable. Urea is covalently bonded. NaNO3 is an ionic

5. Algebra 2 - reposted for Erin

http://www.jiskha.com/display.cgi?id=1185647843 http://www.jiskha.com/display.cgi?id=1185649562 http://www.jiskha.com/display.cgi?id=1185652522

6. Algebra

A student earns \$0.65 for each mistake she finds in a text. Sketch the equation of direct variation. An equation of direct variation is of the form M = k X where k us a constant. In your case M might be total money earned and X is the number of students.

7. math/algebra

simplify. ã20/5 - 1/ã5 I come up with 2 different answers (1) 2 ã5/5 - 1/ã5 2ã5 - 1ã5 1/ã5 or (2) ã20/5 - 1/ã5 = ã(4 ) - 1/ã5 2 - 1/ã5 = 10/5 - ã5/5 = (10- ã5)/5 and neither are the answers I have to choose from

8. English

How do you find the etymology for example of the word panic? In any dictionary (in print or online) there should be a section, often in brackets, that gives you the history of the word. Go here: http://www.answers.com/panic Scroll down to just below the

9. algebra 2

Define a variable and write an inequality. Then solve. A local summer basecall team plays 20 games each season. So far, they have won 9 games and lost 2. How many more games much they win this season to win at least 75% of all their games? i know that they

10. fin

Is stock price maximization good or bad for society? Since this is not my area of expertise, I searched Google under the key words "stock price maximization" to get these possible sources:

11. chemistry

Topic: Iodometry 1. the reason why the Cu2+ solution has to be titrated immediately after addition of KI - I thought, because if allowed to stand for a long time, iodine will volatilize and a change in concentration of iodine will occur...is this right?

12. calculus - ratio test

Posted by COFFEE on Sunday, July 29, 2007 at 6:32pm. infinity of the summation n=1: (e^n)/(n!) [using the ratio test] my work so far: = lim (n->infinity) | [(e^n+1)/((n+1)!)] / [(e^n)/(n!)] | = lim (n->infinity) | [(e^n+1)/((n+1)!)] * [(n!)/(e^n)] | = lim

13. educational technology

what are the dehumanizing effects of war in violence, poverty and sex exploitation of women and children? please answer this question: what are the dehumanizing effects of war in violence, poverty and sex exploitation of women and children? thanks in

14. chemistry

Topic: Iodometry 1. the reason why the Cu2+ solution has to be titrated immediately after addition of KI Answered above.

15. Algebra

If y varies directly with x, and y = 110 when x = 100, find the constant of variation k. If y = kx, then 110 = k*100. Solve for k. Check my thinking. Wouldn't I divide 110 by 100=1.1? yes

16. Calculus - ratio test

infinity of the summation n=1: (e^n)/(n!) [using the ratio test] my work so far: = lim (n->infinity) | [(e^n+1)/((n+1)!)] / [(e^n)/(n!)] | = lim (n->infinity) | [(e^n+1)/((n+1)!)] * [(n!)/(e^n)] | = lim (n->infinity) | ((e^n)(e^1)(n!)) / ((n+1)(n!)(e^n)) |

17. science(chem)

Breathing too much alcohol or too much HNO3 surely would not be very good but I doubt there would be a reaction that would produce toxic fumes other than the fumes from the HNO3 and/or the ethanol. On similar note, just yesterday an 18-wheeler spilled a

18. calculus - interval of convergence

infinity of the summation n=0: ((n+2)/(10^n))*((x-5)^n) .. my work so far. i used the ratio test = lim (n-->infinity) | [((n+3)/(10^(n+1)))*((x-5)^(n+1))] / [((n+2)/(10^n))*((x-5)^n)] | .. now my question is: was it ok for me to add "+1" to "n+2" to become

19. chemistry

Topic: Iodometry 1. The importance of precipitating the Cu2+ ions using NH3 and redissolving it with acetic acid 2. What are other means of detecting endpoint in iodometry aside from adding starch indicator 1. A pH that is too low leads to excessive

20. fin

What are the primary responsibilities of a corporate financial staff? Thank you for using the Jiskha Homework Help Forum. Here are some articles for y ou: 1. (Broken Link Removed) 2. http://investor.cisco.com/phoenix.zhtml?c=81192&p=irol-govGuidelines 3.

21. math

transform the ff. into the form f(x) = a(x - h)2 + k: f(x)=x2-6x+4 f(x)=x2+4x+2 f(x)=3x2-5x+1 tnx a bunch!!!1 I'll do the third one for you, the first two are really easy f(x)=3x^2-5x+1 =3(x^2 - 5/3 x ) + 1 factored out the 3 from first 2 terms =3(x^2 -

I am having trouble finding information on Government regulations dealing with teen abstinence. The sites given to me by my instructor provided are not giving me the information I need to complete my paper. I have done a search on this but only limited

23. calculus

Xan you please tell me how you find the rate of change of Y= the square root of X when Y is increasing at 2 units per second and X=1? y= √x you are given dy/dt = 2 units/sec when x=1 I assume you want dx/dt, that is, how fast is x changing at that

24. math/algebra

can someone check my answer: 3ã486 my answer is 27ã6 if not show me where I went wrong please you are right. (did you see my post to you earlier on how to create square root sign? Does it not work for you?) 3√486 = 3√81*√6 =27√6

25. Algebra

Adult tickets for a play cost \$9 and child tickets cost \$8. If there were 23 people at a performance and the theater collected \$193 from ticket sales, how many children attended the play? A = number of adults C = number of children Set up two equations. A

26. Algebra

Factor: 3x^2 - 27 3x^2-27=0 27+(3x^2-27)=0+27 3x^2=27 (3x^2)/3=27/3 x^2=9 x=3 Since there is 3x^2, one term must contain 3x and the other x. 27 factors into 3*3*3 or 3*9. With this information, you should be able to factor it yourself. I hope this helps.

27. math.algebra

other than factoring out the 9 there is really no simplification that can be made here 9sqrt6 - 9sqrt2 =9(√6 - √2) can someone help me simplify: 9sqrt6 - 9sqrt2

28. amth/algebra

can someone help me with simplification: ã20/5 - 1/ã5 my first answer is 1/ã5 my second answer is 10 -ã5/5 but the answere I have to choose from are: (a) ã20 - 5ã5/ã5 (b) ã20 - ã5/5 (c) cannot be simplified (d) 1/5ã5 which is