Number of results: 96,494
urgent maths pls
Pls d answer isn't really clear. And where did d triangle come from??
Monday, March 18, 2013 at 7:18am by me
Chemistry-pls help urgent
Posted by candy on Tuesday, October 12, 2010 at 5:04pm. 1) How do I prepare 2M nitric acid from 65% concentrated nitric acid? 2) How do I prepare 17% ammonia from 25% concentrated ammonia? Please show calculation steps. Thanks. Chemistry -pls help urgent - DrBob222, Tuesday, ...
Tuesday, October 12, 2010 at 5:52pm by candy
Chemistry-pls help urgent
see your original post.
Tuesday, October 12, 2010 at 5:52pm by DrBob222
Chemistry-pls help urgent
this 17% ammonia is to dissolve my chloride ppt
Tuesday, October 12, 2010 at 5:52pm by candy
Chemistry -pls help urgent
Is that 65% and 17% w/w or w/v? Do you have a density listed.
Tuesday, October 12, 2010 at 5:04pm by DrBob222
Chemistry :'(
(d) Which of the following sets of quantum numbers is not permitted? Select all that apply. 2,1,1,-1/2 1,1,0,-1/2 2,-1,1,-1/2 3,2,1,1/2 Pls pls pls help me :( x
Sunday, November 18, 2012 at 9:03am by Anonymous
VALUES..PLS HELP ME..MS. SUE URGENT PLS.
Great ideas! Self respect also means being proud of oneself. You do your best and like yourself.
Friday, August 26, 2011 at 10:40pm by Ms. Sue
Chemistry partial molar volumes
Thank you very Much Dr.Bob222 for your help and answer. Really appreciate the timing and response.
Wednesday, August 24, 2011 at 8:11pm by Urgent pls.
Chemistry-pls help urgent
Hi, if I want to prepare a w/v solution, how do I prepare it? Thanks a lot.
Tuesday, October 12, 2010 at 5:52pm by candy
Maths
thanks
Thursday, January 19, 2012 at 9:32am by urgent help needed pls
Math..urgent.pls help!:(
thank you for the help!!
Sunday, February 6, 2011 at 10:19pm by anonymous
Math..urgent.pls help!:(
thank you for the help!!
Sunday, February 6, 2011 at 10:19pm by anonymous
urgent maths pls
NOOOOB.
Monday, March 18, 2013 at 7:18am by !@#$%^&youme
science
pls. pls. pls. somebody help me...you see im on a science class and i don't want to go to the regular section, so pls.... give me an acrostic for the word "SCIENCE"
Wednesday, June 11, 2008 at 6:59am by chris
maths
yup, that's what i got, thanks for verifying
Thursday, January 19, 2012 at 11:00am by urgent help needed pls
geography
hi,i have make a project on hurricane Katrina on disaster management pls help to get information pls pls help me............
Thursday, June 17, 2010 at 12:15pm by varsha
CHEMISTRY
Help me pls
Thursday, March 21, 2013 at 5:44pm by Lance Pls explain to me this Problem
account (urgent!!pls help)
* the year now is 31 dec 2011
Sunday, July 8, 2012 at 9:25am by michelle
ms. sue pls. help me urgent
mistakes motivate me to become a good speaker
Thursday, August 18, 2011 at 9:51pm by sandhya
Chemistry
rank the following atoms and ions in the order of expected increasing radius: Ca, Ca2+, Ar Pls pls help me kindly... Anyone?
Sunday, November 18, 2012 at 9:05am by Anonymous
urgent pls education
Someone here will be happy to read over and critique what you write.
Monday, March 18, 2013 at 10:47am by Writeacher
Finance
Omega Instruments has budgeted $300,000 per year to pay for certain ce- ramic parts over the next 5 years. If the company expects the cost of the parts to increase uniformly according to an arith- metic gradient of $1 0,000 per year, what is it expecting the cost to be in year...
Sunday, May 26, 2013 at 3:45am by Aly
Math
Can u pls pls pls solve this algebraic expression?? I cant solve it although I tried many possible ways and solutions :/ 10+1/3[4k-(18+7k)]
Sunday, July 31, 2011 at 11:48am by Sally
accounting ..urgent pls
Hopefully some of the links on the next 2 posts, which I saw first, will apply here as well. Sra
Wednesday, June 1, 2011 at 6:56pm by SraJMcGin
help me pls :(
ms sue pls help me explain to me how you do it pls
Thursday, November 15, 2012 at 10:44pm by :(
URGENT chemistry
My chemistry is rusty, but since this is urgent, try this... pV=nRT 45.4 L (p)= 0.625 (R) (-24 +273) R= gas constant T has to be changed into degrees Kelvin then solve for p I think it's right
Sunday, September 7, 2008 at 12:36pm by anonymous
Chemistry -pls help urgent
1) How do I prepare 2M nitric acid from 65% concentrated nitric acid? 2) How do I prepare 17% ammonia from 25% concentrated ammonia? Please show calculation steps. Thanks.
Tuesday, October 12, 2010 at 5:04pm by candy
Chemistry partial molar volumes
The partial molar volumes of the CCl4 and benzene are 122cm3/mol and 98.0 cm3/mol, respectively in a solution in which mole fraction of chloroform is 0.2. Calculate the volume occupied by 2.5 moles of the solution. Thank yOu.
Wednesday, August 24, 2011 at 8:11pm by Urgent pls.
Plz urgent
I don't see any chemistry tutors online right now. Did you label it properly, so a chemistry tutor will find it? As far as I know "Plz urgent" is not a school subject!
Saturday, February 23, 2013 at 7:42am by Writeacher
urgent pls education
Assuming in your class,you have noticed that a particular child who is an adolescent has suddenly become withdrawn,discuss how you are going to help such a child???
Monday, March 18, 2013 at 10:47am by me
chemistry urgent urgent
Why are you having trouble with this? What is it you don't understand?
Monday, December 10, 2012 at 9:00pm by DrBob222
Chemistry -pls help urgent
Assuming it is w/w as is the case for most acids and conc ammonia, can you show me the steps using 69% HNO3 and 28% ammonia? I have density of 69% HNO3 as 1.42g/ml & 28% ammonia as 0.88g/ml.
Tuesday, October 12, 2010 at 5:04pm by candy
chemistry
At temperatures above 930 ∘C, PbO reduces PbS to form metallic lead (Pb). The byproduct of the reaction is SO2. Calculate the amount of lead produced (in kg) when a reactor is charged with 887.0 kg of PbS and 1330 kg of PbO.
Sunday, January 13, 2013 at 11:30am by pls check it..urgent(limiting reagent)
Finance
pls respond to the above question by 12:00 PM CENTRAL TIME ON 10/25/10. MOST URGENT NEEDED ON MONDAY
Saturday, October 23, 2010 at 8:00pm by arnetha16
chemistry urgent urgent
Answered in another post.
Monday, January 28, 2013 at 10:51am by Devron
chemistry urgent urgent
do compare the differentes
Monday, December 10, 2012 at 9:00pm by zachary
Chemistry
Ca(OH)2 has a Ksp of 6.5 x 10^-6. If 0.37 g of Ca(OH)2 is added to 500 mL of water and the mixture is allowed to come to equilibrium, will the solution be saturated? pls help me I stayed up all last night trying to get this one question :(
Sunday, November 18, 2012 at 9:10pm by Kevin pls it's due at midnight :(
ECONOMICS
UrGENT, PLS ANSWER MY QUESTION IMMEDIATELY!!! For each pair of commodities,state which do you think is more elastic and give your reasons:perfume and salt; penicillin and icecream; automobiles and automobile tires.
Wednesday, January 19, 2011 at 5:58am by IVY
CHEMISTRY> HELP QUICK! pls
I GOT THIS WRONG IN AN ASSIGNMENT. I HAVE AN EXAM IN 2 DAYS. CAN YOU SHOW ME HOW TO DO IT PLS. What is the pH of a 2.62 x 10 -1 M NaNO2 solution ? NB the pKa for HNO2 = 3.153. 12.13 13.42 1.87 8.29 0.58
Friday, June 4, 2010 at 9:32pm by Lucinda
math
pls,this is very urgent.can anyone solve this within 10 mins.. 0.000143 over 1940000 equals k*10powern,where 1 greaterthan equals to k greater10 and n are whole number.The value of k and n are......
Friday, January 18, 2013 at 8:02am by Muiz
maths
A tank was filled with 20L of water. However, there was a hole and 2/3L was leaked out every minute.How long did it take for the tank to become empty?
Thursday, January 19, 2012 at 11:00am by urgent help needed pls
chem
2NH3+ 2Na---) 2NaNH2+1H2 assuming that you start with 25.7 g of ammonia gas and 22.4 g of sodium metal and asuming that the reaction goes to completion what is the mass in grams of NaNH2
Friday, March 15, 2013 at 2:40am by shane URGENT pls help thank u
MANIPULATION OF DNA
can anyone describe to me what this is pls? also can anyone pls explain how dna manipulation works and what it does pls?
Wednesday, April 1, 2009 at 9:42am by GLORIA
ms. sue pls. help me urgent
Correction: The last line should be: to become a good speaker.
Thursday, August 18, 2011 at 9:51pm by Ms. Sue
values and ethics subject please hlp me urgent pls
miss sue can you help me and example.or anyone can help me to make a relection of this subject...thank you.. “People forget how fast you did a job – but they remember how well you did it.” howad newton
Friday, August 12, 2011 at 9:46pm by jessie
urgent maths pls
A goat is tied at point A with a rope of length(L). How long can L be so that the goat can feed on exactly half of the field if the field is a circle.
Monday, March 18, 2013 at 7:18am by me
urgent urgent urgent
nor do I understand the question. Chemical makeup: proteins, containing C, H, O, N, a few S, and some P.
Friday, February 8, 2013 at 9:26pm by bobpursley
urgent urgent urgent
what is the chemical make up of actin and myocin
Friday, February 8, 2013 at 9:26pm by zachary
URGENT LANGUAGE ARTS
PLEASE THIS IS URGENT VERY URGENT BUT I NEED HELP
Monday, December 17, 2012 at 9:00pm by Gabby
chemistry pls help
If 10.0 mL of 1.0M HCl is added to 90 mL water, what is he concentration of the new solution? What is the pH of this solution? If the solution is titrated by 0.500M Ca(OH)2, how much volume (ml) of NaOH necessary? Need help pls.
Saturday, December 8, 2012 at 12:37am by Emmy
ms.pls help me urgent and thanks a lot to you
I suggest you simplify your sentences. Language is important to communicate with other people. Writing is the representation of spoken language. It is the transcription of speech.
Thursday, August 18, 2011 at 10:21pm by Ms. Sue
Quantum Physics
Anyone??? Pls Q5... guys do soething pls
Tuesday, April 16, 2013 at 12:32am by INDEED Need
physics.pls help
How do you know what element is chemically active on the periodic table? PLS HELP
Wednesday, October 5, 2011 at 10:33pm by ted
physics.pls help
can you help me to isolate the ''t'' in this formula. d=V1t+1/2at^2 pls help
Saturday, November 5, 2011 at 2:16pm by ted
Trigonometry
Pls tell me how to find out sin70.Pls
Tuesday, March 22, 2011 at 10:03pm by Sunny
math help
1/4 divided by 3/8 pls help me im confuss i forgot the ste pls explain
Saturday, October 27, 2012 at 9:24pm by Anonymous
physics.pls help
Why is it important to asaume that a rope under tension is taut and does not stretch. pls help
Monday, November 14, 2011 at 6:27pm by ted
Physics ~ missed this lecture pls help
I was able to get distance but both my magnifications were incorrect. pls help
Thursday, April 28, 2011 at 9:20pm by cr
food science
pls give me an idea on the formulation of bavarian cream filling. pls. thank you
Friday, January 4, 2008 at 3:41am by vcq
geography
I need this for xtra credit pls pls help
Tuesday, December 9, 2008 at 11:30pm by ciara
physics.pls help
A 100g bird sits in its nest. what is the Fnet(net force) in this case? pls help
Thursday, November 10, 2011 at 5:40pm by ted
acids and alkalis
Pls help me. Pls tell me some bases (alkelis)other than any cleaning products.
Saturday, November 4, 2006 at 5:56am by Rani
Science(Help NOW, Pls)
wat elements make up water? pls help! i will be very happy if you do! :S
Wednesday, December 15, 2010 at 9:29pm by GirlSense
physics urgent
A 1.5 m tall man stands 2 m in front of a flat wall mirror. Please find: image distance and height of image I have the formulas but i dont know how to solve this without the focal point or a radius...pls help!!!!!!!
Saturday, December 10, 2011 at 2:48pm by sonia
Science(Help NOW, Pls)
organisms in which domain live in every environment? pls help, im stuck on this one. :S
Wednesday, December 15, 2010 at 9:24pm by GirlSense
chemistry urgent urgent
thank you
Tuesday, January 15, 2013 at 10:37am by zachary
Pls check math
Can someone pls help me. ??
Monday, September 17, 2012 at 7:38pm by Marko
physics
Please can i get the answer pls and pls
Wednesday, October 12, 2011 at 11:59am by Segun
e commerce or marketing, help pls
hi,good evening everyone can you help me on finding a clothing manufacturer resource system??? pls thank you
Tuesday, December 6, 2011 at 8:17am by need ASAP
pls help not sure of answer
pls help
Tuesday, January 15, 2008 at 10:13pm by Anonymous
chemistry
pls help i need the answer not jus part of it, pls im really stuck out here. A buffer was prepared by dissolving 0.100 mol of the weak acid HA (Ka = 1.00 × 10−5) plus 0.050 mol of its conjugate base Na+A− in 1.00 L. Find the pH.
Saturday, December 1, 2012 at 4:45pm by canas
Chemistry-II (Percent Composition)
1. Identify the percent composition of sodium carbonate. 2. Determine the percent composition of calcium in calcium carbonate. Pls. help me... my prob is that there is something in the solution that bothers me.. pls.kindly show me how to do.. i'll thank u later... :)
Wednesday, January 23, 2013 at 10:06am by jezzaD.
math urgent urgent urgent
perpendicular to line -2x+y=7 contains the point (-4,-2) the equation of line is
Friday, November 30, 2012 at 11:56pm by zach w
physics
pls explain to me how you add 65km{North 85 degreesWest], 3500m[South 10 West}, 6000m{East 70 degrees South], 54km[North 60 degrees East]. pls explain to me how i should add these vectors. I really need help. pls help
Wednesday, October 26, 2011 at 4:58pm by ted
oops--urgent urgent urgent
know, not now
Friday, February 8, 2013 at 9:26pm by DrBob222
chemistry
A puncture in the tubing of a refrigerator can cause severe frosbite as chloroethane C2H5Cl, vaporizes. Use this thermochemical equation to calculate the heat absprbed when 23.6g of chloroethane vaporizes at its boiling point (9.66kj) C2H5Cl + 26.4kj arrow C2H5Cl. pls i need ...
Monday, November 19, 2012 at 8:48pm by Ted
chemistry urgent urgent
... the hiv virus that causes aids destroys the immune system in the body. classify the hiv virus and explain the statement.
Monday, January 28, 2013 at 10:51am by zachary
chemistry urgent urgent
Discuss, in detail, the role played by DNA and RNA in genetic diseases. What are the breakthroughs, if any, in the treatment/management of genetic diseases?
Tuesday, January 15, 2013 at 10:37am by zachary
math
pls help. There are three times as many girls than boys in a school choir. If there are 27 girls how many children are there altogether. Thank you
Wednesday, August 24, 2011 at 6:20pm by ST pls ASAP
CHEMISTRY
Suppose a 24.7 mL sample of helium gas at 25.°C and 1.14 atm is heated to 50°C and compressed to a volume of 14.8 mL. What will be the pressure of the sample? My teacher got 2.06 atm. pls explain to me how he got this. THANK YOU
Thursday, March 21, 2013 at 5:44pm by Lance Pls explain to me this Problem
help me pls :(
can u help me with 1-3 explainto me pls i dont get it
Thursday, November 15, 2012 at 10:44pm by :(
Math
Pls help .[1] Solve the eguation 4*=28. [2] change 1/20 to decimal [3] change 60% to a common fraction . Pls i need the solving thank you
Thursday, February 23, 2012 at 1:36pm by Bright
Math..urgent.pls help!:(
let the rate of depreciation be r 8950 = 16615(1+r)^4 .5386699 = (1+r)^4 take 4th root .8567 = 1+r r = -.1432 so the annual rate of depreciation is 14.32% in 5 years value = 16615(1-.1432)^5 = 7667
Sunday, February 6, 2011 at 10:19pm by Reiny
maths pls help urgent
s = shampoo c = conditioner s = c to start 1/5(s-82) = c-178 s = c = 202 s-82 = 120 202-178 = 24 = 1/5 * (120)
Monday, October 10, 2011 at 10:52am by Steve
sociology-pls help
similarities between milgram's experiment and stanford experiment pls help
Friday, November 4, 2011 at 9:19pm by ted
science
pls could u give me a website with all the science warning signs on in pls?
Tuesday, October 13, 2009 at 1:07pm by holly
Chemistry-pls help
I refer to the following question. Is my explanation correct, that step two C6H14(g)--> 6CO2(g) + 7H2O(g) can be considered combustion reaction? Thank you! Posted by jan on Tuesday, March 31, 2009 at 10:28pm. C6H14(l)->C6H14(g) ->6CO2(g) + 7H2O(g) ->...
Wednesday, April 1, 2009 at 9:23am by jan
physics.pls help
How much time can you save travelling diagonally instead of running 450meters south and then 650meters west. if your running speed is 5.0m/s. pls help
Tuesday, November 1, 2011 at 6:25pm by ted
VALUES..PLS HELP ME..MS. SUE URGENT PLS.
Please check my answers if it is correct.thanks a lot.GOD BLESS U ALWAYS. •Being independent – not dependent Independent can stay and live alone without anybody’s help. Can be able to survive for whatever things occurred whether bad or good. •Being decisive...
Friday, August 26, 2011 at 10:40pm by JESSIE
chemistry
what does SPDF mean in chemistry on the periodic table? What is the PDO format in when writing a lab report? pls help
Thursday, October 13, 2011 at 10:45pm by ted
Chemistry
pls. c
Friday, January 11, 2013 at 1:54am by c
Science(Help NOW, Pls)
when rock layers are pulled from opposite directions, one block tilts up, while the other block does what? answer pls, need help.
Wednesday, December 15, 2010 at 10:03pm by GirlSense
math urgent urgent urgent
(12,0) and (0,6) center at (-2,2) radius 3 domain all reals, range all reals >= -9 (-2,-25)
Saturday, December 1, 2012 at 12:37am by Steve
values...pls. help me
can you help me please how to get an answers for this question below.. pls.give me an examples for this question. thanks God bless you.. 1.xplain a strategy wherein a liability may turn out to be an asset to ANYONE?
Thursday, August 25, 2011 at 9:28pm by Jessie
chemistry
pls. tell
Friday, December 14, 2012 at 8:13am by C
Chemistry
pls b) , c) and d) ???????????
Tuesday, December 11, 2012 at 3:41am by Anonymous
chemistry
help pls
Sunday, January 27, 2008 at 4:04pm by john
Maths
There are 40 pupils in a class. There are 10 more boys than girls. When some boys from another class join the class, the percentage of boys to girls becomes 70%. How many boys joined the class?
Monday, August 20, 2012 at 1:48am by urgent help needed pls
urgent urgent urgent
A freshman studying medicine at an Ivy League College is a part of his class crew team and exercises regularly. After a particularly strenuous exercise session, he experiences severe cramps in his thighs and pain in his biceps. explain the process the muscle go through
Wednesday, February 6, 2013 at 9:11pm by zachary
math urgent urgent urgent
1)let f(x) be a polynomial function explian how to use the factor theorem to check if (x-c) is a factor of F(x) 2) use synthetic division to factor X^2-2x^2-9x+18 completly
Friday, November 30, 2012 at 9:30pm by zach w
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