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November 21, 2014

Search: URGENT Chemistry Question!

Number of results: 67,630

Plz urgent
Can anyone please answer my chemistry question i posted quick?
February 23, 2013 by Mia

urgent alg 1
add or subtract 2 2 (2t -8t)+ (8t + 9t) second question 3 2 3 (t +8t ) + (-3t ) please helpp its urgent i have the answer butt im not suree pleasee helpp
February 9, 2011 by kimberly

URGENT Chemistry Question!
This might be a silly question, but... Is 6-8 on the pH scale considered neutral? If so, 6.23 pH is neutral and 8.78 should be considered basic. Is this correct?
January 14, 2013 by Alisha

urgent urgent algebra
find the composite function fog f(X) = 1/X-5,g(x)-6/x question 2 find inverse, domain range and asymatotes of each function f(x)=3+e^4-x can some one help me please been stuck on these for 2 days need help solving thank you
March 19, 2013 by zachary

urgent urgent urgent
what is the chemical make up of actin and myocin
February 8, 2013 by zachary

Science Urgent
i know i post this question before but i really need help on this question which have a higher value, iron-containing minerals or feldspars? Why? please help this is my last question i need to answer
September 20, 2009 by Chris

Chemistry, Urgent!
How is this question solved?! When 21.6g of a metal X are burned in excess oxygen, 40.8g of X2O3 are formed. From this data, what is the metal X?
May 13, 2009 by Kearstyn

fractions URGENT!!!!!!!!!!!!!!!
Is 2/3 the smallest out of 1/3? Are you asking if 2/3 is smaller than 1/3? If that's your question, the answer is no. If that's not your question, please rephrase so teachers will understand. Thanks. =)
February 26, 2007 by bria

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?
January 15, 2013 by zachary

chemistry urgent urgent
... the hiv virus that causes aids destroys the immune system in the body. classify the hiv virus and explain the statement.
January 28, 2013 by zachary

math urgent urgent urgent
perpendicular to line -2x+y=7 contains the point (-4,-2) the equation of line is
November 30, 2012 by zach w

math urgent urgent urgent
x+2y=12 find intercept a circle equation x^2+y^2+4x-4y-1=0 and graph 2)find domain and range f(x)=x^2-4x-5 find vertex of f(x) =x^2+4x-21
December 1, 2012 by zach w

Quick Question #2 (URGENT)
How would show/ask 'What is your phone number?' in symbols and pictures. Would having a picture of a telephone and the number sign beside it, and write equal sign then question mark demsonstrate this question? Example: phone pic (#)=? If my idea doesn't demonstrate the ...
September 11, 2009 by John

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
February 6, 2013 by zachary

Chemistry(URGENT!)
determine whether the following salts will form acidic, neutral or basic solutions in water. Na2HPO4 CaNO2 NH4CH3COO Al2SO4 NaF Please, i need the answer to this question within 2 hours of when i post this!
July 28, 2010 by rick

chemistry urgent
hydrogen gas is collected in a bottle, and the pressure of the gas is 892 torr at 24 °C. what is the pressure of hydrogen gas when the temperature decreases to 20 °C? chemistry - DrBob222, Tuesday, November 30, 2010 at 1:25pm (P1/T1) = (P2/T2) Dear Dr Bob: is this a right ...
November 30, 2010 by Lynn

math-urgent
Sample space ={1,2,3,4,5} p(1)=0.1, p(2)=0.2 and p(3)=p(4)=0.05. Assume that A={1,3,5} and B={2,3,4}. Find p(5). Find p(A^c). I need help with this question. It is a probability question. please help.
April 7, 2014 by Temmick

URGENT CHEMISTRY
Which of the following pairs of compounds will give a precipitate in a diluted solution? Question 4 options: A) Cu(NO3)2 and Na2CO3 B) KNO3 and NaCl C) MgCl2 and Ba(NO3)2 D) NH4Cl and Al2(SO4)3 ALL OF THEM ARE SOLUBLE? WHAT DO I DO?
May 15, 2013 by scilover

chem
I have a really urgent question. I am wondering wheter or not esters are polar and what types of intermolular forces they have. can anybody answer this question nvm
December 19, 2006 by steff

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 chemical process that occurred in ...
February 7, 2013 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
November 30, 2012 by zach w

Quick Question (URGENT)
What does this symbol mean (#) thank you
September 11, 2009 by John

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, ...
October 12, 2010 by candy

English language
what could be an example of something that is urgent but is not important? and something that is important but not urgent? these questions refer to daily actions or well any actions, i have absolutely no idea how to answer that. Sure doesn't urgent and important meant almost ...
November 29, 2011 by Caroline

chemistry
URGENT!!! How many grams of sodium benzoate (NaC6H5CO2) must be added to 500 mL of 0.15 M benzoic acid (HC6H5CO2) to make a buffer solution with pH of 5.0? Assume no volume change upon sodium benzoate dissolution. Ka = 6.46 x 10-5 How would I go about this question?
March 26, 2014 by Rainbow

WAVE CALCULATION QUESTION URGENT!!!!!!!!
Convert 8.6 x 10^13 Hz to nanometers. Assuming this is a light wave, Frequency*wavelength= speed oflight jiko like question jiko know all. ;.)
February 21, 2007 by Will

Quick Question
Who is the founder of Quantum Physics? Please help. Urgent.
May 10, 2009 by James

Math urgent
explain how to compute the xy term of the product (3x-4y)^2? if possible with solution please.... its urgent
September 7, 2008 by Ayushma

Urgent math question for Reiny
Find the value of the expression below for r=4 and t=2.... t^3-r+20 divided by r 9*** 72 6 40 Ok, Reiny you said my answer9 was originally wrong, however when I looked at the work you did and you put in parenthesis()....my question is why, because the original expression didn'...
September 4, 2013 by Gabby

egypt
urgent!!!!urgent!!!!!! have to go to bruins game at 5:45whats the magical fiqures inbetween the rapping in a mummy?
January 29, 2009 by lilgeeny245

Venn Diagram (URGENT)
What are 6 similarities between Canada and Haiti? 1. French Influence 2. 3. 4. 5. 6. Please someone help, this is urgent. thank you.
April 30, 2009 by John

MATHS! URGENT!
describe how each sequence is generated and write down the next two terms: a) 40 41 43 46 50 55 b)90 89 87 84 80 75 c)1 3 7 13 21 31 d) 2 6 12 20 30 42 PLEASE HELP its urgent!
September 29, 2010 by Ami

math urgent help needed
the question is: -3x-2z-7 if x=3 and z= -1 i did the the question and got the answer - 14 ....but the answer key that i got say -20....can anyone help me... with this plz....
October 25, 2008 by Anonymous

URGENT Science question
Justin wants to be the captain of an aircraft carrier when he gets out of school. Which subjects should Justin study to help him prepare for this career? biomedical science and meteorology oceanography and paleontology chemistry and biology physics and computer science*** Am I...
September 3, 2013 by Gabby

science-urgent
What are differences between Continental Drifts and Plate Tectonics? I need at last 4 for each. Please help its urgent!!!!! Thanks a bunch! Ellie
November 24, 2008 by Ellie

Urgent math help!
What is 66 2/3% of 891? PLEASE show me the steps on how you got the answer to this question...
November 15, 2008 by Lisa

1 question, really urgent
if its 12:30pm in vancouver what time is it in Goose Bay labrador
March 19, 2013 by Polly

Chemistry(Please help, thank you)
I have to calculate the concentration of I2 produced (# of moles of I2 produced / L) based on the stoichiometric ratio in the following equation. 2S2O3^2- + I2 -> 2I^- + S4O6^2- Chemistry(Urgent, please help) - DrBob222, Sunday, February 26, 2012 at 9:47pm If you know the ...
February 27, 2012 by Hannah

PLEASE VIEW- URGENT!
I do not understand this question. Could you please explain? "Beneatha is particularly bitter, but Ruth defends Walter. What does Ruth say?" (Act III, SceneI) For Further Reading * A Raisin in the Sun - SraJMcGin, Monday, September 3, 2007 at 7:36pm I remember answering this ...
September 4, 2007 by Anonymous

chemistry urgent urgent
Analyze the properties of a sodium atom and a sodium ion. What are the differences in mass, stability, and reactivity that are caused due to the differences between the sodium atom and sodium ion?
December 10, 2012 by zachary

math question 3- very urgent !
Find x* on [0, 2] such that f(x*) equals the average value of f(x) = 5x + 9 over [0, 2].
December 19, 2010 by Carla

Math Urgent 1 tiny question
how would you write (11/20)^-6 as a single power... dont evaluate.
January 12, 2013 by Sarsh

Chemistry(Urgent, please help,thank you)
After performing a freezing point depression experiment I had to find the molecular weight of glycol. Now I have to answer the question what value did I assume "i" to equal and why did I make this assumption. My teacher told us the value of i to use for this was 1. I am not ...
February 21, 2012 by Hannah

chemistry
Urgent. The melting point of pure acetylsalicylic acid is 135 degrees celsius. Comment on the purity of your product based on its melting point range. My melting point range was 105-115. I do not even know where to start for this question. Could you please help?
March 23, 2010 by Lee

History reflections URGENT
HELP! Trying to find information on Michael Kaznelson author of Remembering the Soviet State: Kulak Children and Dekulakisation. This is urgent so thanks for all your help.
June 14, 2011 by Em

Urgent Chemistry question!
How do i combine 2 half ionic equations into an overall equation?? 4OHˉ → 2H2O + O2 + 4e 2H+ + 2e → H2 *The "H+" is the hydrogen ion The correct overall equation is 2H2O → 2H2 + O2 How do i get that???
October 19, 2009 by Marrion

Math - Urgent
I'm sorry I need 1 more question to be asked. Use the LCD to write equivalent fractions. 5/6 , 2/9
September 8, 2014 by Sally

urgent spanish one question
is this correct grammar - si, ponemos nuestra los vestidos en la habitacion del hotel?
February 6, 2008 by sam

spanish!!...urgent!...please help
how did the geography influence the migration and exploration of colombia? venezuela? i need websitres for this urgent...please help asap... :(
December 6, 2007 by maggie

ENGLISH URGENT !!!!!!!
What are good things to buy for a 17 year old boy that are not that expensive???? this is really urgent for a part of my english project..... pleeeeeeeeeeeeeeeeeeeese help!!!!!!!
December 20, 2012 by Jules

chemistry
I need help with this question. the question. ask to complete the following relationship between units. question a.___g= 1Gg how would answer a question like this.
January 31, 2011 by jessie

Organic Chem (URGENT)
What is the monomeric unit of a chain of molecules joined by peptide bonds? Answer:?? If anyone can help with this question. Thank you very much.
January 26, 2011 by John

GR.10 CIVICS!!!!!URGENT
CAN SOMOENE PLEASE GIVE ME A LINK TO A PICTURE THAT HAS TO DO WITH OR IS RELATED TO ABORIGINALS GAINING THE RIGHT TO VOTE IN CANADA(1960).PLEASE! ITS URGENT.THANKS
May 30, 2009 by LALA

chemistery lab..urgent
hi..can someone hwlp me out here on how we can calculate the moles of H2T(phthalic acid)?? its urgent for my lab this evening 1:00pm friday
September 18, 2014 by marcus

CHEMISTRY: URGENT DRBob222
Why was the reaction mixture titrated quickly? (question fom: A mixture of 0.50 mol of ethanoic acid and 1.00 mol of ethanol was shaken for a long time to reach equilibrium. The whole mixture was titrated quickly with 1.00 mol dm3 sodium hydroxide and 80cm3 of alkali were ...
March 14, 2013 by LC-Laila

Social Studies (URGENT)
10. Why did many Native people start adapting to Victorian society? Can someone please help me answer this question? Thank you very much.
February 15, 2010 by John

To ANY SCIENCE HELPER URGENT
1. Describe 2 methods of viral infection 2. How can a virus be helpful to its host? Please this is very urgent, I have finished everything else but these r my last 2 questions that I don't know! Please help! Thanks:)
September 28, 2014 by Nicki

English-urgent
1) This puts the integrity of the material into question. or 2) This puts the integrity of the material in question. Which is correct?
April 20, 2011 by annie

chemistry
please me,,,,,its urgent...what is the structural formula of the toxaphene?
May 17, 2011 by joy

chemistry
please me,,,,,its urgent...what is the structural formula of the toxaphene?
May 17, 2011 by joy

Criminal justice
Can someone please help. Who is responsible for the concept of crime prevention? Ive been stuck on this question for two days and i need help urgent. Thank you!
January 8, 2011 by josh

Math - Urgent!!!
Write the equation of the hyperbola for which the length of the transverse axis is 6 units long anf the foci are at (0,5) and (0,-5). Someone please help me with this question. Thanks in advance.
April 30, 2012 by Tabby

URGENT language arts question~!
Which of the following compound words is spelled incorrectly? (1 point) afternoon teamate masterpiece earring My Answer: 1)B Is this correct? .
April 12, 2013 by Gabby

Trig
URGENT, Please answer this question: give the value of: Tan(Arctan x+1/x-1+Arctan x-1/x)
June 11, 2011 by Mike

Chemistry
Please help me with this chemistry question? I am working on a lab report and I am stuck on this question: Use the concept of stoichiometry to explain why balanaced equations are necessary when performing calculations in chemistry. Propose a situation where precise amounts of ...
September 8, 2009 by Jessie

Earth science..... help urgent
hi can anyone help me? my problem is that i need to write a autobiography about the "LIFE CYCLE OF ROCKS". andf i have no idea how to start it.....plz help me....its urgent....give me some clues how to start !!!!
December 17, 2008 by veronica

English (Urgent)
How many Native Americans are here inn the world now? I did a google search, but I can't find my answer still, so can anyone please help me out wih this question? Thanks.
September 25, 2009 by Anonymous

GEOL12 (urgent)
i have one simple question i need answering. Is the internal structure of a Composite, Cinder Cone, and Shield volcano are the same? please help and thank you
April 25, 2011 by needhelp

geology (urgent)
i have one simple question i need answering. Is the internal structure of a Composite, Cinder Cone, and Shield volcano are the same? please help and thank you
April 25, 2011 by needhelp

chemistry
urgent help needed!!! what is .0966 rounded to 2 significant digits? and why?
September 22, 2010 by Ana

Chemistry URGENT!!
Which anions have the largest and smallest radii? Thank you!!
October 10, 2014 by Ellie

physics(URGENT!!!!!)
EDXers!!! Plz help with MITx 8.01x I don't know how to solve HW8 Problem 3 Question c) Can anybody help me???? Explain Plz
November 20, 2013 by Anonimus

Trigonometry Urgent!
I am writing a paper on the 8 trigonometric identites but can't find any information on them. Please does anyone know of any websites that would have things like their history, development, applications in ancient times, origins, etc. Please help. Urgent!!!!
March 8, 2007 by kate 316

URGENT Chemistry question
a chemist wanted to make 100 grams of SO2. She had only 12 grams of sulfur and 4 grams of oxygen. Unfortunately, the amounts of reactants were not enough to make the desired product. How much S and O2 would she need in order to obtain the desired grams of product with no ...
November 3, 2011 by jermain

URGENT chemistry
What pressure is exerted by 0.625 mol of a gas in a 45.4 L container at -24.0ºC
September 7, 2008 by jr

Chemistry 101-URGENT
How much heat is required to melt 43.5 g of ice at 0°C?
November 18, 2010 by Cherly Young

CHEMISTRY (URGENT!!!!)
What is the Keq of NaOBr dissolving in water if the Ka of HOBr dissociating is 6.4*10^-6
April 3, 2011 by Hannah

Chemistry URGENT
Help. what is the formula to figure out the total mass of a solution?
April 28, 2014 by jazz

Chemistry URGENT! I really need help!
Consider the following reaction occurring at 298K BaCO3(s)-> BaO(s) + CO2 (g) show that the reaction is not spontaneous under standard condition by calculating delta G rxn. I calculated delta G and got 219.7 kJ, now the question asks if BaCO3 is placed in an evacuated flask...
April 25, 2011 by Trista Nigh

AD Analysis (URGENT)
I have to do an ad analysis on alcohol and I've decided to use a GREY GOOSE vodka ad. Here's the question I'm having trouble with. Why do you think the person who created this ad has presented substance use in this way? I don't know how to answer it. All I can think of saying ...
October 18, 2009 by John

Literature
Can someone help me on this? its really urgent. what is Foil Character and Background Character? please don't give me the stage meaning just fiction. thanks. its really urgent.
January 8, 2009 by Akitsuke

chemistry help
our teacher said on our final chemistry lab test there will be a question asking us to convert nanometers to wave numbers, anyone know what the question might be phrased like? also, im not sure i know how to convert, anyone have an example question with the steps?
November 26, 2010 by jes

Math URGENT QUICK QUESTION
factor 9-6x-3x^2 The expression x^2-8x+k cannot be factored if k has the value A.)7 B.)0 C)-7 D)-9 Please show me how to do these questions step by step so that I can understand & learn
September 25, 2014 by Bella

Bob Pursley
Bob: Thank you for answering my Chemistry question. I apologize that it was on there twice. I accidentally posted again the same question instead of a different question. You answered the first question with precision. Thank you
October 9, 2011 by Mom

CHEMISTRY URGENT!
alpha emission by plutonium 242 write a nuclear equation
April 22, 2013 by jinie

***Latin Urgent***
As I'm studying these prepositions to be used in the ablative case, I had a question. How do you know when to use a (with a macron) verus ab? What about e (with a macron) versus ex? Thanks for your explantion!
April 30, 2009 by Angeline

Calculators- memory?
For the TI-84 plus edition calculators do the programs you created and notes you put on there get deleted once you change the batteries? this is a very urgent question. thank you.
October 9, 2009 by Gaby

Re:Social Studies Urgent
socialist government: who is eligible to vote i've been searching this forever well most of all the socialist question need help on. please help and thank you
December 7, 2010 by Need Help!

URGENT!! Chemistry HELP!!
Use standard enthalpies to calculate Triangle H for: 2C2H5OH (I) + O2 (g) -> 2CH3CHO (g) + 2H2O (I)
April 19, 2012 by Blair

Chemistry HELP URGENT PLEASE!!!
what current (in amperes) is required to plate out 2.85 g of Cr from a Cr^3+ solution in a period of 2.50 hr?
March 17, 2014 by Maho

Trigonometry Paper Urgent!!!
I am writing a paper on the 8 trigonometric identites but can't find any information on them. Please does anyone know of any websites that would have things like their history, development, applications in ancient times, origins, etc. Please help. Urgent!!!!
March 9, 2007 by kate 316

urgent urgent algebra / precalculas
1. Given a function,H(x)explain how to find the components f(X)AND g(x) such that f(g(x)) = H(x) 2. let H(x)=(2x+5)^4 find the function f and , so that f(g(X))=H(x)
March 24, 2013 by zachary

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.
January 19, 2011 by IVY

CHEMISTRY URGENT
Does anyone have a "Chemistry in Context 6th edition" by mcgraw and hill book? I don't have one and my homework is in there. Page 30, questions 5,6 & 7. If you could, type out the questions for me that would be a HUGE help.
October 25, 2013 by michelle

MATH URGENT
f(x)=12x^5+45x^4–80x^3+2 the question asks to find the inflection points but i dont seem to understand how to find this even by taking the second derivative.
May 29, 2008 by rudy

Math~Reiny Could you help with this question?
List three different ways to write 5^11 as the product of two powers. Explain why all three of your expressions are equal to 5^11. Plz help it's urgent.
May 14, 2013 by Gabby

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!!!??
January 18, 2014 by TTR+S<3

chemistry urgent!!!
2. When exactly 61.9 g of silver nitrate react with magnesium, how many grams of Ag are prepared? Balanced equation:
February 29, 2008 by anon

Chemistry - Urgent
Determine the mass of 3.16 ×1023 atoms Cl. Answer in units of g. How do you do this? Need to get it done really fast. Thanks for help.
October 11, 2009 by Jacob

chemistry urgent
Draw major product of substitution reaction of (2R,3S)2-bromo-3-methylpentane with CH3CH2O- nucleophile
March 7, 2011 by zoe

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