Tuesday
October 21, 2014

Search: chemistry! URGENT

Number of results: 47,552

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

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
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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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
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

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

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

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

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!! 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

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

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

CHEMISTRY URGENT!!!
Determine the pH (to two decimal places) of the solution that is produced by mixing 30.3 mL of 1.00×10-4 M HBr with 829 mL of 5.77×10-4 M Ca(OH)2.
March 23, 2011 by Colin

GEOGRAPHY (URGENT!!!)
I NEED HELP!!! this is urgent!!! Human-Environmental Interactions: how did the people in Khartoum modify the environment? how is the people in khartoum being influence by the physical landscape/environment? sorry my grammar sucks i have other questions but i really extremely ...
November 18, 2010 by NEED HELP URGENT!!!

chemistry urgent urgent
the managing director of a company on wall street thrives on a diet of fruit jam,bread,pasta,and coffee.she exercises intermittently.one day she desides to go to her primary healthcare provider for a check up the provider recommends that she takes the benedicts test assume ...
January 9, 2013 by zachary

CHEMISTRY URGENT
Give the full set of quantum numbers for the electron lost when a Cs atom ionizes. a. n = 6; l = 1; ml = –1; ms = +½ b. n = 5; l = 0; ml = +1; ms = –½ c. n = 5; l = 0; ml = 0; ms = –½ d. n = 6; l = 0; ml = 0; ms = +½ Is the answer A.
November 9, 2007 by Sam

Chemistry urgent
How is pushing down the accelerator pedal resulting in a faster consumption of fuel in the engine concentration?
October 23, 2011 by Natasha

Chemistry urgent
How is pushing down the accelerator pedal resulting in a faster consumption of fuel in the engine concentration?
October 23, 2011 by Natasha

Chemistry URGENT
Please show how N and O are combined to make NO^+2 in Lewis dot structure. I'm having a hard time. Thanks
February 19, 2014 by Lisa

Chemistry - urgent help needed
The following is part of a procedure for a limit test for sulphates in an NaOH sample:- Dissolve 3.0g of NaOH in 6ml of deionized water, adjust to pH 7 with 12M HCl (about 6.2ml) and dilute to 15ml with deionized water. When about 6ml of 12M HCl was added, a white ppt was ...
September 22, 2010 by candy

College Chemistry..Urgent!
THE EQUILIBRIUM CONSTANT FOR A REACTION IS 2.48 AT 25 DEGREES CELSIUS. WHAT IS THE VALUE OF ΔG°(KJ)AT THIS TEMPERATURE? (R=8.314 J/K mol)
December 8, 2010 by shanice

English (urgent)
can you give me 4 examples of informative texts..or websites where can I look for informative texts--4 paragraph informative texts...(i need it now)really urgent...please...
February 10, 2013 by daphnie

Chemistry-Urgent Help Please
What are the differences between -ate, -ide, -ite, and the other suffixes? What are some ways of remembering? Thank you for clarifying this.
March 5, 2009 by Josh

chemistry (urgent)
Commercial breathalyzers contain .75 mg of K2Cr2O7, 1.5 mL of H20 and 1.5 mL of H2SO4. What is the concentraion of the dichromate in the solution?(hint:the acid is a solvent)
February 27, 2011 by Anonymous

Chemistry (URGENT)
Hello! Does anyone know where to find the solubility of Ca(OH)2 in water as temperature changes? I need this information to answer the discussion in a lab report.
October 25, 2013 by June

physical chemistry
salam.... plz give me some sources of error of determining concentration quotient of FeSCN? plzz urgent
September 5, 2014 by hamza

Chemistry Urgent Help Please!
Give two means other than crystallization from a solvent that may be used to purify an organic solid. Explain Pleaseeeee!!!!!!!!!!!!!
September 16, 2014 by Josh

chemistry urgent
if 100 g of iron were reacted with 100 g of oxygen according to the reaction below, the maximum yield in grams of Fe2O3 would be: chemistry urgent - bobpursley, Tuesday, November 30, 2010 at 4:20pm Balance the equation. Note the coefficents on Fe and O2, that is the mole ...
November 30, 2010 by lynn

Ancient History URGENT Akhenaten
HI Are there any good journal articles on Akhenatens personal aims? What he hoped to achieve. So far all I have is one sentance in a book saying he wanted to do away with the power of the priests of Amun. This is really urgent. My state library is offline and not responding so...
May 25, 2011 by HELP plz

urgent urgent algebra / precalculas
rewrite each in exponential expression as a logarithmic expression log, x=4 log 5=2 log b=x
March 22, 2013 by zachary

Chemistry-urgent!
What volume of 2.5% (w/v) KOH can be prepared from 125 mL of a 5.0% KOH solution?
November 30, 2010 by Madison

chemistry (urgent)
Hi, can you tell me what is needed to ionise the O^6+ ion further in order to turn it into an O^7+ ion ? Thanks.
May 2, 2009 by mathew -b

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

CHEMISTRY--PLEASE HELP, URGENT
What concentration of silver chromate (Ksp = 9.0 x 10-12) will dissolve in 500. mL of 0.01 M aqueous silver nitrate?
April 12, 2010 by Maggie

Chemistry *URGENT*
URGENT help! 3. A rock sample was dated using potassium-40, Neasyrenebt ubducated tgat 1/8 of the original parent isotope is left in the rock sample. How old is the rock? 5. When a sample of lava solidfied, it contained 28g of uranium-238. It that lava sample was later found ...
March 5, 2010 by Anon

Chemistry(URGENT, PLEASE HELP!)
the volume of alcohol present in 620 mL of a 40% (v/v) solution of alcohol is ______? A. 372 mL B. 40 mL C. 248 mL D. 580 mL
May 4, 2010 by Kathie

Chemistry- Urgent Help
I want to know how can I solve for x if I am given 2.26= 1.000+x/ 1.000-x Thank You
March 19, 2008 by Rosa

urgent urgent algebra
rewrite each in exponential expression as a logarithmic expression a)log,x=4 b)log 5=2 c)log ,8=x
March 21, 2013 by zachary

chemistry
Which of the following species exhibits resonance if all the formal charges are minimized? a. OF2 b. N2 c. PCl5 d. ClO3- e. BrF3 plz help me out here. its really urgent!!!
September 22, 2011 by icecream

Chemistry(Urgent, please check!!!)
The equation A + 2 B = C + D describes an elementary reaction, which takes place in a single step. Thus, the rate law must be? My answer is k(A)(B)^2 Is this correct?
February 29, 2012 by Hannah

History (URGENT)
What is the History of Haiti? I need brief and main points stating the history of Haiti. Because I have to talk about it briefly in my Travel Tourism commercial for an assignment. I'm having trouble getting the main points. Please help, this is urgent. THANK YOU.
May 3, 2009 by John

Chemistry, Urgent!
I can't solve this! I keep trying but I can't get it. Suppose 25mL of 1.00M HCl is added to 50mL of 1.00M HF. What is the pH of the HF in this solution? The pH is supposed to be 0.48 Thanks. -K.
February 26, 2009 by Kearstyn

chemistry (urgent)
List six pieces of evidence for the existence of water on Mars, with a full reference to the source for each piece of evidence
May 22, 2009 by amy-s

chemistry final-urgent
electron configuration of Cr3+? I think is Cr: [Ar] 4s1,3d5 but how about Cr+, Cr2+, Cr3+? Please explain?
December 14, 2010 by lianne

chemistry( urgent)
what do we assume about volume of the actual molecules themselves in a sample of gas, compared to the bulk volume overall?why?
March 10, 2011 by alex

calculus...plz ans urgent
Find the dimensions of the right circular cylinder of greatest volume which can be inscribe in a right circular cone with radius of 5 inches and a hieght of 12 inches(hint:use similar triangle property).also draw a label diagram....plz answer its too urgent
November 7, 2010 by daan

English-URGENT-HELP NEEDED!
Can ANYONE please help me by going to either the very bottom of this page or the top of the next and click on "English-URGENT-HELP NEEDED!"? I really need some help on that one and I'm afraid no one will find it and I'll have to keep posting it over and over. THANK-YOU ...
August 26, 2007 by Anonymous

URGENT CHEMISTRY
A solution of hydrogen peroxide is 24.26% by mass and has a density of 1.11g/cm^3. the molarity of the solution? 7.54M .273M 8.03M 8.37M none of these
March 9, 2011 by Cotton McKnight

Chemistry URGENT/DR BOB
Hello Dr.Bob, the saturate at 60 degrees Celsius is 85.5g i hope this helps with the problem I posted at 12:49am thanking you in advance
April 28, 2014 by jazz

Venus (URGENT)
Okay, i'm doing this Planetary tourism brochure assignment. I have to make a brochure about the planet. What are some special natural features and attractions on Venus. (special moutains, craters, canyons, surface spots.) Be creative in your descriptions, don't list facts. How...
April 29, 2009 by John

CHEMISTRY URGENT PLZ HELP
Write a balanced equation for the following reduction-oxidation reaction. SO3(2-) + MnO4(-) --- SO4(2–) + Mn(2+) can someone help me step by step??
January 18, 2009 by kevin

chemistry urgent
given the reaction: 2 Al + 3 H2SO4 -> Al2(SO4)3 + 3 H2 what volume of H2 gas measured at STP will be produced from 5.4 grams of AL reacting with an excess of H2SO4?
November 30, 2010 by lianne

Chemistry Urgent Help Please!
If caffeine is soluble in hot benzene but insoluble in hot petroleum ether, how could you use this information to design a crystallization procedure?
September 14, 2014 by Anonymous

Chemistry URGENT
I need help balancing a equation for the combustion of cellulose in oxygen to produce carbon dioxide and water vapor. C6H10O5 = 6CO +5H2O I know this is not correct but I don't know what else to do to get this to balance. Thanking you in advance.
March 27, 2014 by linda

chemistry urgent
if 100 g of iron were reacted with 100 g of oxygen according to the reaction below, the maximum yield in grams of Fe2O3 would be: Dr. Bob. Please help.
November 30, 2010 by Lynn

Chemistry Urgent please help! Test tomorrow
if you have a mixture of sodium chloride and sodium bromide, could you use its conductance to determine the concentration of each solution? explain
January 9, 2013 by Anonymous

chemistry urgent!
what is the net ionic for these following balanced equations: 2(NH4)3PO4(aq) + 3Ba(OH)2(aq) -> Ba(PO4)2(s) + 6H2O(l) + 6NH3(g) 2HNO3(aq) + K2CO3(aq) -> H2O(l) + CO2(g) +2KNO3 NaF(aq) + HCl(aq) -> NaCl(aq) + HF(aq)
April 25, 2014 by Anonymous

CHEMISTRY URGENT!
a sample of oxygen that occupies 1.00 x 10^6mL at 575mmHg is subjected to a pressure of 1025atm. what will the final volume of the sample be if the temperature is held constant? how do uu set up the equation
February 3, 2013 by kacie

CHEMISTRY(URGENT PLEASe)
CONVERT : 1.67KG =___MG 2.70MM=___KM 3.55 DAYS=___MINS 4.37 FAHRENHEIT=___KELVIN BETTER IF WITH SOLUTIONS PLEASE AND HOW TO DO PLEASE
June 25, 2013 by Dishea

Socials Studies *URGENT*
Research Territory, Food, Shelter, Transportation and Effect of European contact for Ojibwa, Assiniboin, Cree, Chipewyan, Inuit. Please help this is URGENT. I can't seem to find "Effects of European contact" for any of the groups. Although I don't quite understand what it ...
March 25, 2010 by John

URGENT LANGUAGE ARTS URGENT~!
Which answer explains why there isn’t a hyphen between well and behaved in the following sentence? The students were so well behaved that Ms. Irvin dismissed them early. (1 point) The words well and behaved don’t end in -ly. The words well and behaved are on the same line. The...
April 12, 2013 by Gabby

chemistry first yera
A 0.4 g sample of monobasic acid requires 16cm3 of 0.1 mol per dm3 of NaOH for complete neutralization . what is the relative mass of the acid?? Plz ans me urgent
April 19, 2014 by gulzara

Chemistry! Urgent!!
0.080 m FeCl3 find the boiling point it. so i did ( 0.080)(.51)(4)+100 and i got 100.16 whyy is that wrong?
December 1, 2008 by Howie

chemistry. urgent!
where woudl i put the propyl in 2-propyl benzoate? i thought the propyl had to be attactched to the O and wouldnt that just be 1-propyl not 2?
September 26, 2012 by rebekah

chemistry! URGENT!!!
A gaseous mixture of O2 and N2 contains 30.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 365 mmHg?
December 6, 2010 by chelsey

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