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April 18, 2014

Search: Chemistry -pls help urgent

Number of results: 106,944

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
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-pls help urgent
this 17% ammonia is to dissolve my chloride ppt
Tuesday, October 12, 2010 at 5:52pm by candy

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

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

Maths
thanks
Thursday, January 19, 2012 at 9:32am by urgent help needed pls

Physics pls anyone can help me? its urgent
yes
Sunday, October 13, 2013 at 8:37pm by ss01

Physics pls anyone can help me? its urgent
what is k?
Friday, November 8, 2013 at 6:40pm by ss0

Physics urgent pls!
how did you get that 0.5g??
Friday, February 22, 2013 at 9:33am by archie

Physics pls anyone can help me? its urgent
U r awesome...
Sunday, October 13, 2013 at 8:37pm by Anonymous

Physics pls anyone can help me? its urgent
You are welcome, did you get number 6?
Sunday, October 13, 2013 at 8:37pm by Anonymous

Physics pls anyone can help me? its urgent
yup
Sunday, October 13, 2013 at 8:37pm by ss01

Physics pls anyone can help me? its urgent
The answer is "3"
Sunday, October 13, 2013 at 8:37pm by Anonymous

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

Physics pls anyone can help me? its urgent
just tell the answer
Sunday, October 13, 2013 at 8:37pm by ss01

Physics pls anyone can help me? its urgent
Hey are you in quantum also?
Sunday, October 13, 2013 at 8:37pm by Anonymous

Chemistry
Name the straight-chain alkane that is a constitutional isomer of 2,4-dimethylhexane. ????? pls can someone help me with this pls
Tuesday, November 19, 2013 at 9:03am by Menes

Physics pls anyone can help me? its urgent
q6 (5*R)/2 did anyone got vertical spring?
Sunday, October 13, 2013 at 8:37pm by ss01

CHEMISTRY
Help me pls
Thursday, March 21, 2013 at 5:44pm by Lance Pls explain to me this Problem

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

account (urgent!!pls help)
* the year now is 31 dec 2011
Sunday, July 8, 2012 at 9:25am by michelle

Physics pls anyone can help me? its urgent
thnx.. and what about spring block question?
Sunday, October 13, 2013 at 8:37pm by ss01

SCIENCE PLS URGENT 1 QUESTION ASAP!!!!!
the answer is dna
Saturday, January 18, 2014 at 4:18pm by Ms.Cavill

SCIENCE PLS URGENT 1 QUESTION ASAP!!!!!
I hope that was helpful.
Saturday, January 18, 2014 at 4:18pm by Ms.Cavill

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

physics (it's rather urgent help is appreciated
no, i think bobpursely was wrong, trying to get a second opinion
Saturday, October 5, 2013 at 5:01pm by kyle(PLS HELP )

physics(URGENT!!!!!)
guys where did you find those equations, lecture num or book chapt pls?
Sunday, December 8, 2013 at 7:17am by an0nym801

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

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

Physics pls anyone can help me? its urgent
Darn, I said 6, I meant 5 the half loop. Vertical spring is a) .4785 b) .72 c) 1.1785 d) 1.812
Sunday, October 13, 2013 at 8:37pm by Anonymous

help me pls :(
ms sue pls help me explain to me how you do it pls
Thursday, November 15, 2012 at 10:44pm by :(

Physics pls anyone can help me? its urgent
I got 3, don't ask me how I got it. I'm not sure.
Sunday, October 13, 2013 at 8:37pm by Anonymous

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

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

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

Physics
A child pulls a wagon along level ground. The handle with which she pulls the wagon makes an angle of 20.0 degrees with the ground as the child pulls with a force of 78.0 Newton. What are the components of the force. Pls pls pls pls help me answer this and may God bless u!
Wednesday, October 16, 2013 at 11:49am by Stephanie

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.

waste water treatment
i will be here another couples of hours if any one looking for other answer pls paste me here Urgent...
Wednesday, November 20, 2013 at 2:59am by ham

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

Physics pls anyone can help me? its urgent
I'm looking for my notes. The first one comes from the equation ma=-kx. then (ma/k)=-x = (4*9.81)/82=x=.4785
Sunday, October 13, 2013 at 8:37pm by Anonymous

chemistry urgent urgent
do compare the differentes
Monday, December 10, 2012 at 9:00pm by zachary

chemistry urgent urgent
Answered in another post.
Monday, January 28, 2013 at 10:51am by Devron

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

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
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
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

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

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

Physics pls anyone can help me? its urgent
question is asking electric field of three quarter, but that link is about one quarter and I did according to video, but I got wrong answer and I don't know the direction of components?
Sunday, October 20, 2013 at 12:07am by nisha

SCIENCE PLS URGENT 1 QUESTION ASAP!!!!!
8. Chromosome pairs contain different versions of genes, which are called __________________. (1 point) is it base? is it dna? is it alleles? help asap!!!??
Saturday, January 18, 2014 at 4:18pm by TTR+S<3

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

Physics pls anyone can help me? its urgent
The second one comes from f=(1/2pi)sqrt(k/m) =(1/2pi)*sqrt(82/4)=.72
Sunday, October 13, 2013 at 8:37pm by Anonymous

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

Urgent Art questions
That's why I put urgent, but I can take Urgent out of my next ones tomorrow ^.^
Tuesday, September 10, 2013 at 6:28pm by Gabby

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

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

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

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 LANGUAGE ARTS
PLEASE THIS IS URGENT VERY URGENT BUT I NEED HELP
Monday, December 17, 2012 at 9:00pm by Gabby

urgent urgent urgent
what is the chemical make up of actin and myocin
Friday, February 8, 2013 at 9:26pm by zachary

Physics pls anyone can help me? its urgent
something got mangled in the units kw-hr is energy kw is power Better check the units in the math above.
Friday, October 18, 2013 at 1:25am by Steve

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

Physics pls anyone can help me? its urgent
for me q6 is full loop and q5 is half loop i did not got that one i am on half way your answers are showing wrong for me. do you have the steps?
Sunday, October 13, 2013 at 8:37pm by ss01

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

chemistry urgent urgent
thank you
Tuesday, January 15, 2013 at 10:37am by zachary

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

Quantum Physics
Anyone??? Pls Q5... guys do soething pls
Tuesday, April 16, 2013 at 12:32am by INDEED Need

Trigonometry
Pls tell me how to find out sin70.Pls
Tuesday, March 22, 2011 at 10:03pm by Sunny

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

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 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

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

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

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

geography
I need this for xtra credit pls pls help
Tuesday, December 9, 2008 at 11:30pm by ciara

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

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

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

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

physics
Please can i get the answer pls and pls
Wednesday, October 12, 2011 at 11:59am by Segun

Pls check math
Can someone pls help me. ??
Monday, September 17, 2012 at 7:38pm by Marko

Ms. Sue or Steve Pls Help
Pls :|
Tuesday, January 14, 2014 at 3:20pm by Electro

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

SCIENCE 1 QUESTION PLS HELP ASAP
somebody help pls!! have no clue and i am on a deadline to get everything done in a short amount of time!!
Saturday, January 18, 2014 at 10:09pm by Anonymous

Physics pls anyone can help me? its urgent
It should be in watts. so 2/PI kw-hr should be 2*1000/(PI*3600)watts or ? please
Friday, October 18, 2013 at 1:25am by saru

Physics pls anyone can help me? its urgent
for the other two I think I got x(t)=.4cos(4.53t+pi) and then set v(t)=0 to get the time and then used that to get the velocity. And I used v(tm)=0 to get the time when it reaches the highest point and plugged that value back into x(t).
Sunday, October 13, 2013 at 8:37pm by Anonymous

(pls help) algebra
4x+y-32=1, 6x-y-4z=7, 10x+2y-6z=5 pls show me how to solve for x,y,z. Ans:xx=1.5,y=-2,z=1
Monday, July 8, 2013 at 6:07am by david

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