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April 18, 2014

Search: CHM formula needed, pls?

Number of results: 27,592

CHM formula needed, pls?
How many milliliters of a 0.25 M sucrose solution contain 2.0 grams? The molar mass of sucrose (C12H22O11 ) is 342.3 g/mol.
Monday, November 19, 2012 at 6:49pm by V

CHM formula needed, pls?
How many milliliters of a 0.25 M sucrose solution contain 2.0 grams? The molar mass of sucrose (C12H22O11 ) is 342.3 g/mol.
Monday, November 19, 2012 at 7:13pm by Vc

CHM formula needed, pls?
mols = grams/molar mass Solve for mols. M = mols/L. Solve for L and convert to mL.
Monday, November 19, 2012 at 7:13pm by DrBob222

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

5 of 90 lotto equation formula
pls I need a formular ....am a Nigeria ... If you really wanna help me pls here is my email address..
Wednesday, March 30, 2011 at 5:24am by Adejuwon

CHM 152
At 20oC, a 2.32 M aqueous solution of Ammonium Chloride has a density of 1.0344g/ml. WHat is the molality of Ammonium Chloride in the solution? The formula weight of NH4Cl is 53.50 g/mol?? I am not sure how to incorporate the density into the problem to come up with how to ...
Thursday, June 10, 2010 at 9:47pm by Car

density of Magnesium!
Is your volume formula consistent with the hexagonal close packed crystal structure? That might be the cause of your disagreement. See http://www.chm.davidson.edu/ChemistryApplets/Crystals/UnitCells/hcp.html
Friday, February 6, 2009 at 7:34pm by drwls

org chm
how many grams of KOH are needed to make 590 ml of a solution with a pH of 11.35?
Wednesday, November 17, 2010 at 10:05am by carol

CHM
In the chemical formula of ammonium sulfate, (NH4)2SO4, how many hydrogen atoms are present? 4
Sunday, January 27, 2013 at 11:46pm by jakey

physics-pls help
The ball is thrown froma height of 10 meters with an initial upward velocity of 3.0m/s. How long does it take to land on the ground? What is its maximum height? i know the formula is d=v1t+1/2at^2 but i do not know what else to do. pls help
Monday, November 7, 2011 at 4:05pm by ted 2

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

algebra pls help
A numbmer is divided by 2, then 6 is submtacted from the result. what operations are needed to return to the original number? I am going to say: x/2 -6 the operations needed are multiplication and addition to get right answer?
Monday, November 14, 2011 at 12:28pm by marko

life science
Thank you for using the Jiskha Homework Help Forum. Please visit the next 2 sites: 1. http://www.elmhurst.edu/~chm/vchembook/601glycolysisrx.html 2. (part II of #1): http://www.elmhurst.edu/~chm/vchembook/601glycolysissum.html Sra
Sunday, November 23, 2008 at 10:18am by SraJMcGin

Chemistry
An organic compound that has the empirical formula CHO has a molecular mass of 145 amu. Its molecular formula is?
Thursday, March 14, 2013 at 3:53pm by Stefhanie help me 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 :'(
(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

math
Are you sure your formula is not just |A+B+C|/sqrt(A^2+B^2) ? It does not make sense to find the (2,-2) point and then go to the trouble of using your formula. I have never seen (or needed) this formula.
Wednesday, October 22, 2008 at 9:08pm by Damon

Chemistry
My questions keep getting cut off. What am I doing wrong? Here is my question again. Thanks for the help. What is the empirical formula for a compound whose molecular formula is C2Cl6? a) CCl3 b) CCl4 c) C2Cl6 d)CCl e) more info needed I think the answer is E more information ...
Sunday, October 25, 2009 at 6:14am by Mattt K

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

physics.pls help
Participants in a road race take water from a refreshment station and throw their empty cups away farther down the course. If a runner has a forward speed of 6.20m/s, how far in advance of a garbage pail should he realease his water cup if the vertical distance between the lid...
Tuesday, November 8, 2011 at 5:49pm by ted

physics.pls help
Participants in a road race take water from a refreshment station and throw their empty cups away farther down the course. If a runner has a forward speed of 6.20m/s, how far in advance of a garbage pail should he realease his water cup if the vertical distance between the lid...
Wednesday, November 9, 2011 at 4:56pm by ted

physics.pls help
The volume of a cylinder is defined by the formula V=pie R squared h. If initially have a cylinder with a volume of 10m cubed. Find the volume of the cylinder if the height doubles and if the height is cut in half. pls i really need help.
Thursday, November 3, 2011 at 9:04pm by ted

CHM
How many milliliters of a 0.25 M sucrose solution contain 2.0 grams? The molar mass of sucrose (C12H22O11 ) is 342.3 g/mol. Need the formula to understand how to continue with more problems.
Monday, November 19, 2012 at 6:49pm by V

chemistry
pls the formula :)
Thursday, December 19, 2013 at 7:37am by Menes

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

maths
yup, that's what i got, thanks for verifying
Thursday, January 19, 2012 at 11:00am by urgent help needed pls

physics
A man is driving his car ata velocity of 100km/h on a straight road. H e sees a traffic jam at a distance and slows down to 12.5m/s in 3.0s. What is the average acceleration of the car? pls help. I know that the formula for average acceleration is V2-V1 divided by T2-T1 but ...
Wednesday, October 12, 2011 at 9:41pm by ted

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

CAN SOMEBODY PLS GIVE ME THE FORMULA FOR THIS!!???
google is being a pain right now so i cant find a simple answer, its giving me all these complex examples instead I JUST NEED THE FORMULA FOR FINDING THE LATERAL AREA OF A SQUARE PYRAMID. THAT'S ALL. thank you.....
Wednesday, February 26, 2014 at 12:11pm by TTR+S<3

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

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

physics
Two children on racing bikes start from the same reference point. Child A travels 5.0m/s{right} and child B travels 4.5m/s{right}. How much farther from the point of origin is child A than child B after 5.os? pls I really really need help. I do not understand it and I do not ...
Tuesday, October 4, 2011 at 7:48pm by ted

physics
can you help me to re-arrange this formula. i dont get it. V2^2= V1^2+2ad^2 I want to solve for a pls help
Tuesday, October 18, 2011 at 6:29pm by ted

maths help needed now pls
sorry made a mistake in quantity of spoons amy bought is 12.
Sunday, October 23, 2011 at 7:48am by joi

Chemistry
the components/elements of a mixture can be physically separated http://www.elmhurst.edu/~chm/vchembook/106Amixture.html
Thursday, February 10, 2011 at 11:58pm by TutorCat

advanced biology
chemical properties describe how a _____ changes into a new substance. This site will give you a definition and examples. http://www.elmhurst.edu/~chm/vchembook/105Achemprop.html
Sunday, August 19, 2007 at 3:06pm by emily

physics
pls what is the formula for calculating period given gravity, mass and length of the material
Monday, April 5, 2010 at 8:43pm by fe

chemistry
Pleas does any one know how to calculate the number of isomers of an organic compound. Any formula pls
Friday, March 28, 2014 at 2:21pm by ogboyeb

science
You don't really need calculations to answer this. A discussion of the role of soap/detergents in dissolving (nonpolar) oil in (polar) water can be found at http://www.elmhurst.edu/~chm/vchembook/554soap.html
Friday, January 16, 2009 at 12:48pm by drwls

college chemistry
This should get you started since both A and B are hydrocarbons. C is an alcohol and will exhibit hydrogen bonding; therefore, it will boil higher than either A or C. http://www.elmhurst.edu/~chm/vchembook/501hcboilingpts.html
Thursday, November 11, 2010 at 10:54pm by DrBob222

chemistry
C4 H10 O or diethyl ether or with a formula of CH3CH2OCH2CH3 its stick structure is H H H H ! ! ! ! .. H-C-C-C-C- O-H ! ! ! ! .. H H H H I used the this ! sign as a sign for bond. pls help me to determine the geometry for each central atom in this structure. 1) C Trigonal 2) C...
Friday, October 5, 2012 at 11:24pm by chemdummy

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

Chem
Convert the path length to cm. Plug in Beer's law equation and solve for c. A = ε l c http://www.chm.davidson.edu/vce/spectrophotometry/beerslaw.html
Friday, November 9, 2012 at 11:17am by TutorCat

science
what is carbon cycling http://www.elmhurst.edu/~chm/vchembook/306carbon.html A thing made out of carbon. It is in a shape like a circle
Tuesday, June 14, 2005 at 7:40pm by Josh

science
Thank you for using the Jiskha Homework Help Forum. Look at the following: http://www.elmhurst.edu/~chm/vchembook/106Amixture.html White vinegar, for example, is homogeneous. Oil and vinegar would be heterogeneous . Sra
Wednesday, September 17, 2008 at 2:07pm by SraJMcGin

science
http://www.elmhurst.edu/~chm/vchembook/184ph.html
Monday, March 12, 2012 at 3:56pm by Ms. Sue

chemistry
http://www.elmhurst.edu/~chm/vchembook/184ph.html
Tuesday, May 29, 2012 at 10:11pm by Ms. Sue

math (if someone could show me the working pls)
calculate the difference of the square using the following formula a^2-b^2=(a+b) (a-b) 1)28^2-12^2
Thursday, August 20, 2009 at 12:11pm by keisha

CAN SOMEBODY PLS GIVE ME THE FORMULA FOR THIS!!???
thanx Ms. Sue!!!:) so here is my example: 22 x 32 = 704/2 = 352?
Wednesday, February 26, 2014 at 12:11pm by TTR+S<3

MATH gr10
were having an exam soon, can you list all the formulas needed..pls? i might've missed some, i just want to make shure.
Tuesday, June 14, 2011 at 2:25am by jakil

science
http://www.elmhurst.edu/~chm/vchembook/260acidbasebal.html
Thursday, May 8, 2008 at 11:21pm by DrBob222

chemistry
http://www.elmhurst.edu/~chm/vchembook/327aluminum.html
Wednesday, March 10, 2010 at 1:41pm by DrBob222

central
http://www.elmhurst.edu/~chm/vchembook/143Aioniccpds.html
Friday, June 10, 2011 at 1:54pm by TutorCat

algebra pls help
i dont understand what you did? X/2 - 6 = R + 6 +6 X/2 = R + 6 * 2 = * 2 x = 12 is the answer the operations needed multiplicaton and addition to get right answer?
Monday, November 14, 2011 at 12:28pm by marko

chemistry
Here is your answer. http://www.chm.davidson.edu/vce/kinetics/integratedratelaws.html
Wednesday, April 6, 2011 at 1:57pm by DrBob222

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

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

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

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

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

chemistry
why can I not use the formula m1v1=m2v2 for the following question: What volume of 1.20 M NaOH will be needed to neutralize 225 mL of 3.0 M sulfuric acid? I get 0.56 L but the answer should be 1.1 L. When am I able to use that formula and when can I not?
Sunday, October 18, 2009 at 11:41pm by drew

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

Chemistry Bonding
We generally call those compounds with an electronegativity difference of 1.8 or greater ionic. The difference here is about 1.22 which means a polar covalent bond. http://www.chm.davidson.edu/ronutt/che115/electroneg.htm
Wednesday, June 2, 2010 at 3:57am by DrBob222

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

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

chm
The specific heat of fat is 0.45 cal/(g) , and the density of fat is 0.94 g/cm^3 . How much energy (in calories) is needed to heat 22 cm^3 of fat from room temperature (25 ^\circ {\rm C}) to its melting point (35 ^\circ {\rm C})?
Thursday, September 12, 2013 at 12:36pm by Anonymous

chemistry
Bauxite is the ore. Aluminum oxide (alumina) is the intermediate. Here is a good diagram with labels. Better than I can draw. http://www.elmhurst.edu/~chm/onlcourse/chm110/outlines/aluminum.html
Thursday, September 29, 2011 at 2:44pm by DrBob222

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

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

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

statistics
Use a binomial probability formula or use a binomial probability table. Formula: P(x) = (nCx)(p^x)[q^(n-x)] For a): Find P(0) for none For b): Take 1 - P(0) for at least 1 For c): Find P(6) for all If you use the table, p = .04, n = 6 (sample size), x = the values needed for a...
Monday, March 17, 2014 at 5:41pm by MathGuru

chemistry
In hydrated copper sulfate, the chemical formula is CuSO4.5H2O, while that of hydrated cobalt(II) chloride is CoCl2.6H2O. I want to ask how to determine the number of moles of water is needed to hydrate any salt. Is there a pattern or formula?
Friday, November 8, 2013 at 9:55am by Hao

Chemistry
http://www.chm.davidson.edu/ChemistryApplets/Crystals/NetworkSolids.html
Saturday, December 13, 2008 at 3:53pm by DrBob222

Chemistry
http://www.chm.davidson.edu/vce/kinetics/IntegratedRateLaws.html
Saturday, November 14, 2009 at 8:04pm by DrBob222

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

Organic Chem
According to the problem, the rate constant, k, has units of M/s which is moles/L*s and that is for a zero order equation. The equation then is r = k and the concns don't enter into the equation at all. You can read more about it here. http://www.chm.davidson.edu/vce/kinetics/...
Wednesday, November 9, 2011 at 2:50am by DrBob222

(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

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

earth
http://www.elmhurst.edu/~chm/onlcourse/chm110/outlines/nitrogencycle.html
Sunday, November 11, 2012 at 7:20pm by Ms. Sue

English
1. 2 more commas needed; check spelling 2. 2 commas needed; delete "practice" 3. comma needed; use the phrasing in parentheses 4. comma needed; omit "the" 5. revise the first clause to match #3; comma needed. 6. comma and 2 semicolons needed
Tuesday, January 31, 2012 at 4:56pm by Writeacher

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

pls help not sure of answer
pls help
Tuesday, January 15, 2008 at 10:13pm by Anonymous

science pls help
i posted this earlier but got a confusing answer so pls help as best as u can asap! True or False 1. If a 40 kg person is accelerating at 10 m/s2, then the magnitude of the force acting on him or her is 400 N. (1 point) true false Multiple Choice 2. How much force is needed to...
Thursday, March 13, 2014 at 5:21pm by TTR+S<3

LA --- 1 question pls help!!!
hi, one question based on the short story called, "Cyber Chitchat" this one confuses me, pls help if u know the book! 8. The tone of "Cyber Chitchat" is (1 point) serious. humorous. depressing. angry. i think its humorous but im not so sure..... pls help asap!!!!! thanx in ...
Sunday, March 2, 2014 at 7:04pm by TTR+S<3

Chemistry
Have you omitted part of the problem? If you are referring to "this" compound as the new compound, I would think pentane. If you are referring to the original compound, you haven't provided enough information. http://www.elmhurst.edu/~chm/vchembook/501hcboilingpts.html I would...
Monday, March 14, 2011 at 10:20pm by DrBob222

Chem
Have you seen this. It is a site that essentially does what you have described for you. http://www.chm.davidson.edu/ronutt/che115/Zeff/Zeff.htm
Friday, November 7, 2008 at 12:27pm by DrBob222

biology
This site has a good explanation: http://www.chm.bris.ac.uk/webprojects2002/anderson/disappearing_egg_shell.htm
Saturday, October 24, 2009 at 12:50pm by GuruBlue

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

Chemistry
the formula H2O2 is an example of 1.molecular formula 2. an empirical formula 3.an ionic formula 4.an organic formula
Sunday, November 28, 2010 at 10:24pm by tia

CHM
moles acid needed= .025*.1 moles. grams acetic acid= molesacid*molmassAcid Now at this point, I am stupified on the density. The given density is the same as water. So how can it be acetic acid solution? Vinegar has a density of about 1.01g/ml, that is 5 percent acetic acid. I...
Tuesday, January 25, 2011 at 1:47pm by bobpursley

Math
Use the quadratic formula to solve the equation. x - x = -2 Type an exact answer, using radicals as needed. Express complex numbers in terms of i. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.)
Sunday, April 24, 2011 at 10:07am by Mary

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