Tuesday
March 31, 2015

# Posts by Jay

Total # Posts: 1,188

chemistry
i figured i would find the number of moles of oxygen from 12.6g of C6H12O6, after that i get lost
September 20, 2008

explain currency exchange
September 19, 2008

chemistry
Assuming the volumes are additive, what is the [Cl-]solution obtained by mixing 210mL of 0.600M KCl and 630ml of 0.385M MgCl2 ?
September 19, 2008

Algebra 1/Geometry
1. |-5 1/4 - 2/3| |-5 3/12 - 8/12| I forgot how to subtract fractions like the one above, can anyone refresh my memory? 2. Q bisects segment PR, PQ = 3y, and PR = 42. Find y and QR. Don't know how to do this. Explain to me please?
September 10, 2008

Memorizing Spanish
hey guys. how can i memorize spanish phrases like Buenos Dias or Buenos Tardes or Adios, etc... (sry i can't spell in spanish yet.)
September 6, 2008

Place Value
Can anyone help locate site that will teach me place values? I have found sites that play a games, but I can play the game better if I know my place values.
July 24, 2008

Graph question-geometry
Which axis is the independent value?
July 5, 2008

history
how were the incas able to adapt to their physical environment?
June 18, 2008

English
question 12 answear is d objective of preposition
June 14, 2008

Macroeconomics
Kelly purchased ten shares of Gentech stock for \$200 in year 1 and sold all the shares in year 2 for \$220 a share. Between year 1 and year 2, the price level increased by 5%. The tax on capital gains is 50%. If the capital gains tax is on nominal gains, calculate how much tax ...
May 20, 2008

chemistry
d c a is correct, just tried it.
May 15, 2008

science and politics
Should affected nations from global warming , be legally entitled to financial assistance from those who did cause them and who have benefied from them? explain if they should or shouldnt contribute
May 7, 2008

science an politics
adverse consequences-flood,drought, food shortage, rising sea levels, deforestation....is there anything within the Universal Declaration of Human Rights we can use to protect people who hasnt done anything to cause global warming?
May 5, 2008

science & politics
adverse consequences-flood,drought, food shortage, rising sea levels, deforestation....is there anything within the UDHR we can use to protect people who hasnt done anything to cause global warming?
May 1, 2008

science & politics
does anywhere in the universal declaration of human rights provide any protection against such adverse consequences for human populations, especially for those who did not cause those consequences and have not benefited from global warming/global climate change? please explain
May 1, 2008

organic chemistry
why can't you have 2-ethylheptane?
April 29, 2008

math
what is the unit rate for 14 hours in 2 weeks?
April 21, 2008

Economics
Advertising is an important aspect of the business world. a. which business environment is it especially important and explain why? b. does advertising increase or decrease the cost and therefore the price of the product to the consumer? Provide one argument
April 15, 2008

math
If the rental fee on a land line phone is \$45 per month and \$0 per month for a cell, and the cell cost 85 cents a minute and the land line cost 15 cents a minute, with calls for one month on both phones totaling 1 hr and 5 mins,show how the land line phone cost less than using...
April 9, 2008

chemistry
When referring to percent ionization values given in a acid/base table, how to determine what is the hydrogen ion concentration of a 0.10 mol/L solution of hydrofluoric acid?
April 8, 2008

chemistry
Hi there, ok, my question stated "Use information from acid/base table and the value of Kw t ocalulate the base ionization constant, Kb, of the following bases: a)hypochlorite ion b) nitrite ion c) benzoate ion I looked at my acid/base table but it only gives values for ...
April 8, 2008

bio
1. You have characterized two distinct genetically inheritable traits. They are inherited together most of the time, but not always and sometimes their phenotypes disappear altogether, only to reemerge in later generations. Try to explain how this type of behavior occurs to ...
April 7, 2008

Java
I need to write a Java program using an input file with the below data. I don’t even know where to begin. I have written others but this one has me totally confused. I know how to do it using math WL% = Wins / (Wins + Losses) I also wrote this to use but, can’t ...
April 5, 2008

computers
yea i think thats the one i just want it to make sure
March 27, 2008

computers
All Processing and storage of data inside a computer is done in _____ Form. A)binary B)hexadecimal C)decimal D)character
March 27, 2008

Philosophy
What are the two formal fallacies?
March 25, 2008

History
the documents are UDHR an CPPCG
March 25, 2008

History
I have to explain why there was such a delay for the enforcement of both documents. I've been trying to find websites to help me, but I haven't found anything. The answer I see is The basic reason is that most nations don't want international agreements to intefere...
March 25, 2008

History
I understand what you are saying but how do i put that into a 2 page discussion?
March 24, 2008

History
Did you find any information.
March 24, 2008

math
Thank you so much Ms. Sue. I will ask my teacher tomorrow and may I get back to you and ask again for help?
March 17, 2008

math
It is 1328 miles from my school to Miami, FL.
March 17, 2008

math
I have to plan a route from my hometown to Miami, FL. Gas has to be purchased within 2 miles of starting point, 20 gallon gas tank - 18 miles to a gallon. Round trip completed within 48 hours. I do not know the steps to complete this assignment. I only know how to start point ...
March 17, 2008

calculus
It should be ^-1/2
March 4, 2008

chemistry
what is g
February 26, 2008

chemistry
wat is g
February 26, 2008

chemistry
if the ratio of oxygen to air is approximately 1 to 5 and the ratio of oxygen to ethyne is 2 to 5, how do i calulate the ratio of air to ethyne?
February 26, 2008

Math
It makes sense...Thank you DRWLS
February 26, 2008

Math
An elevator, when full, holds 20 children or 15 adults. If 12 children are on the elevator, how many adults can still get on? Use an algebraic equation to solve this problem.
February 26, 2008

Political Science
I need help interpreting a paragraph in the federalist papers. It is Federalist No. 10 the paragraph is. "It is in vain to say, that enlightened statesmen will be able to adjust these clashing interests, and render them all subservient to the public good. Enlightened ...
February 6, 2008

English
These arent specific poems wow .....
January 7, 2008

English
What are specific poems written by f.t. marinetti?
January 7, 2008

french
Is this correct meaning I speak a little french. Je parle francais comme ci comme ca?
December 9, 2007

Chemistry
geometry of sp2 hybridized orbitals linear tetrahedral triangular octahedral none of those above
November 30, 2007

PreCal
Can someone tell show me how to do this. Show the product as a sum or difference sin 6x cos 2x
November 20, 2007

Economics
If I'm graphing a PAE equation to determine the output gap and what type, say my Y is less than Y*. Am I correct in thinking the output gap will be a negative number, which would contractionary?
November 15, 2007

math
23/4=f-1/4
November 14, 2007

Science
Topic: Air Pollution Who is creating the most and polluting the most?
November 7, 2007

math
There is one bus. on this bus there are 7 girls. each girl has 7 bags. each bag contains 7 cats and each cat has a litter of 7 kittens. how many legs are on the bus?
November 6, 2007

Algebra 1
A LINE CONTAINS (9,Y) AND (-6,3). IT HAS A SLOPE 6. FIND Y
October 28, 2007

Economics
from a supply/demand side, I assume that the supply of savings would move inward if the gov lower taxes on profit resulting in an increase in the deficit. Am I correct in my thinking?
October 25, 2007

biology
The conversion of molecule S to product P has a Keq = 2.0. Two different, but related enzymes, A and B, can catalyze the reaction. The product P serves as an allosteric inhibitor of enzyme B, but not of enzyme A. A. 10 mM S is placed into three separate test tubes containing, ...
October 15, 2007

economics
Why and how does this phenomena increase the share of GDP
October 2, 2007

economics
How does the fact that people from other countries come to America for health care tend to influence the measured share of our GDP that is devoted to health care in America?
October 2, 2007

math
write an expression to show 19
October 1, 2007

math
5 times 5 times 5 times 5 times 5 times 5 what is the power?
September 4, 2007

physics
White light strikes a grating with 1300 lines/cm at normal incidence. How many complete visible spectra will be formed on either side of the central maximum? (Take the range of visible wavelengths to be 400 - 700 nm.) I used the equation d sintheta = m wavelength: (1/1300cm)(...
August 20, 2007

Logic
What is so fraglie tht when you say its name you break it? http://in.answers.yahoo.com/question/index?qid=20070816192042AAsZiur
August 20, 2007

i= the square root of -1 if 3i (2+5i)= x+6i. Then x
August 18, 2007

physics
A charge of +24.3 µC is located at (4.40 m, 6.02 m) , and a charge of -13.1 µC is located at (-4.50 m, 6.75 m) . What charge must be located at (2.23 m, -3.01 m) if the electric potential is to be zero at the origin? ANyone have any advice? Find the distances to ...
July 9, 2007

US History
Can someone tell me why 1968 could be considered a tumultuous year? I can think of the assassinations of Robert F. Kennedy and Martin Luther King Jr. Is there anything else? Thank you very much. Thank you for using the Jiskha Homework Help Forum. Here are some sites for you: 1...
June 20, 2007

PHYSICS
A tuning fork of frequency 558 Hz is placed near the top of the pipe shown in the Figure. The water level is lowered so that the length L slowly increases from an initial value of 20.0 cm. Determine the next two values of L that correspond to resonant modes. (Assume that the ...
June 18, 2007

Programming
Hi. I am taking a computer programming class (C++). I need some help on some programs. I tried going to my teacher - he was of no help and there are no tutors. I have a lot of code, but I'm having problems. I looked online for help, but they're using different methods ...
May 21, 2007

Hyperbola's vertics? and parabola's orientation
y^2= 9(x^2)+20x+3 how to identify its orientation and the locaation of its vertices? sqrt(x^4+8x^3)=sqrt(9x^2+20x+3) How to identify the parabola's orientation? up or down? thank you
May 21, 2007

complete the square
the quartic equation x^4+8x^3=9x^2+20x+3 how to complete the square on the left hand side? I tried to factor out an x^2 first http://mathworld.wolfram.com/QuarticEquation.html
May 21, 2007

chem 2
which bronsted lowry acid has the strongest conguate acid? acetate ion flouride ion cyanide ion nitrate ion not flouride thats for sure
April 29, 2007

physics (momentum)
A 3 kg ball with an initial velocity = (4.00i + 3.00j)m/s collides with a wall and rebound with a final velocity = (-4.00i + 3.00j)m/s. The ball is in contact with the wall for delta t =2.00E-3s. (specify answers with unit vectors) a) what is the change in the ball's ...
April 3, 2007

science
what's the difference between inexhaustible resources and renewable resources. HELP charges come together (7 letters) attract renewable resources are those that can be "renewed" as in we use trees for the wood but we can replant trees and regrow wood to use in ...
March 25, 2007

English
what does this quote mean To write it, it took three months, to conceive it took three minutes; to collect the data in it- all my life.” I guess collecting data can be very time consuming. He is writing about his life experiences, and that would take an entire life time.
March 15, 2007

Gas Laws and Energy
I have another question. I've tried it and i keep getting it wrong. The average kinetic energy of a 1.85-g sample of argon gas in a 3.00-L bulb is 1.28e-22 J/atom. What is the pressure of the gas? What is the root mean square velocity of the argon atoms under these ...
March 2, 2007

Chemistry - Gas Laws
Liquid helium at 4.2 K has a density of 0.147 g/mL. Suppose that a 1.00-L metal bottle that contains air at 118K and 1.0 atm pressure is sealed off. If we inject 120.0 mL of liquid helium and allow the entire system to warm to room temperature (25 °C), what is the pressure...
March 2, 2007

Chemistry check
First, percent error can be negative, correct? Because in my lab I got -32%. Here are my questions that I need checked: 1. List possible manipulation errors that might contribute to the following errors in results: 1) obtaining a significantly larger amount of NaCl than was ...
February 13, 2007

criminal justice theories
DO U THINK THAT A PERSON'S BODY TYPE IS A PREDICTOR TO CRIME?
January 19, 2007

Science
Assume that RBCs live 100 days. How many must you make per second to keep your cell count constant? You have to have the population to do this. Assume the number of RBC in the blood is P Then the rate dying is P/100 days Then the rate of regeneration must be the same. So now, ...
January 14, 2007

if a man arrives into town on a friday and stays 3 days how can he leave on a friday
December 17, 2006

Math
Find the integrals. (show steps) (integral sign) xe^(4x^2) I think this how is how its done: (integral sign) xe^(4x^2) it's a u du problem let u=4x^2 so, du=8x dx now you have an x already so all u need is 8 inside and and 1/8 outside the integral [1/8] (integral sign) [8]...
December 11, 2006

math
find the integral secxtanxdx and if dy/dx= 2x/y^2 and y(o) = 3 then what is y(1) equal to and differentiate 2pi + 3secx secxtanxdx = Sin(x)/Cos^2(x)dx The integral is 1/Cos(x) + c dy/dx= 2x/y^2 and y(o) = 3 then what is y(1) equal to y^2 dy = 2x dx ---> 1/3 y^3 = x^2 + c y(...
December 6, 2006

math
At what point to the curve y=4+3lnx is the tangent line paralell to the line 5y-x=10. 3/x = 1/5 ---> x = 15
December 5, 2006

math
What is the equation of the tangent line given the curve: y = (3+lnx)^2 at x = 1/e dy/dx = 2[3 + Ln(x))]*1/x at x = 1/e this is: 4*e y(1/e) = 4 The equation of the tangent line is thus given by: 4e(x-1/e) + 4
December 5, 2006

RAFISEI
DONT KNOW
September 28, 2006

Economics
Suppose that the MPC = 0.8 and that \$12 trillion of real GDP is currently being demanded. The government wants to increase real GDP demanded to \$13 trillion. By how much would it have to increase government spending to achieve this goal? Can someone give me the formula for ...
September 20, 2006

WORD PROCESSING AND KEYBOARDING
your all wrong, none of these work, your a bunch of liars!
August 1, 2006

Ochem
What is the purpose of refluxing? Which reaction conditions are indicated with reflux? Will you apply heat? How do you know the temperature at which you should reflux? I think it is "A reflux system is used to condense vapours escaping from the hot flask. " Please ...
July 5, 2006

homework
The given answers are correct
July 3, 2006

Chem
Compound A is a clear colorless liquid with a familiar, pleasant odor, which boils at 91-92C. A dissolves readily in water. When a solution of 5 drops of A in 1 mL of water is tested with blue and red litmus, neither test paper is seen to change color. The addition of a few ...
June 12, 2006

Algebra
78=j=6=8=k=6=8=5k5 86 5j 54u75678j =8768ik6t
July 23, 2005

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