Friday

March 6, 2015

March 6, 2015

Total # Posts: 1,168

**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*

**Advanced Algebra**

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*

**MATH -BRAIN TEASER- PLEASE HELP**

exticit
*December 17, 2006*

**MATH -BRAIN TEASER- PLEASE HELP**

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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