Wednesday
August 20, 2014

Search: Butadiene reacts with itself to form a dimer

Number of results: 13,474

science
what is the concentration of hydrogen ion in a 0.1M solution of sodium hydroxide(NaOH)? NaOH dissolves and completely dissociates in H2O to form the ions. NaOH ==> Na^+ + OH^- Therefore, starting with 0.1 M NaOH will give you 0.1 M in Na^+ and 0.1 M in OH^-. You know Kw=(H...
December 31, 2006 by michelle

legal ethics
A child does not have his parental feild trip form and wants to get on the bus for the outing. He insists his dada said he coudld go. It is time for the bus to leave, what do you do? What is your ethical responsibility? To the child, parent, school
October 22, 2007 by Stella

chem
Next step, multiply both sides by (.01-x) .012(.01-x)=.01x+x^2 gather terms, put in standard binomial form, use the quadratic equation, and solve for x. is the standard binomial x^2+.022x-1.2x10^-4
March 26, 2008 by lyne

Physics
The latent heat of vaporizaiton of H2O at body temperature (37.0C) is 2.42 106 J/kg. To cool the body of a 89 kg jogger (average specific heat capacity = 3500 J/(kgC)) by 1.4 C, how many kilograms of water in the form of sweat have to be evaporated?
April 4, 2008 by Pierce

american government/ economics
A constituion: is a unitary form of government., sets out the principles and structure of a government., is a part of federal system of government ., is devolped only for democratic governments. i think its b.if not correct please, thank you
September 20, 2008 by Anonymous,

math (please help me)
A polynomial of degree 4 that increases the y-axis at 6 and whose y-values get more and more negative as x -> +infinity and x -> -infinity -Represent a function that satisfies the given conditions by an equation. Leave in factored form.
August 30, 2011 by Jon

Chemistry
When combining Ca(OH)2 with Na2CO3 it entraps SO2 out of a gas stream from kiln emissions where ore is processed into nodules. When there is not enough Na2CO3 in this combination, will it not allow the solids to form out and settle?
November 3, 2009 by Cheryl

Math Business
Janet got 671.50 in cash as the proceeds form a loan of $680. The discount rate was 10% simple interest. Find the discount period. I got 118.5 months but am not sure if I did it correctly.
January 19, 2010 by Scott

chemistry
What volume (in Liters) of hydrogen must react to form 17.0L of ammonia according to the following balanced equation: N2(g) + 3H2(g) --> 2NH3(g) Ratio from equation is H : NH3 = 3 : 2 = 3/2 : 1 = 17x3/2 : 17 = 25.5 : 17 17 L of hydrogen can you check my work is this right?
October 17, 2010 by Melissa

PLEASE HELP ME MATH
I only have 1 hour to get this question answered. Thank you in advance. I need a quadratic equation in the variable x given the solutions: -7 sqrt 7, and 7 sqrt 7 This needs to be in the standard form of ax^2+bx+c=0. Can someone please help me with this???? I am so lost!!!!
November 12, 2010 by barb

Physics
Two balls, each with mass 0.5g and carrying charge Q, are hung on strings 35cm and suspended from one point. The balls repel and form a 40 degree angle between them. What is the charge? CAN YOU WALK ME THROUGH THIS QUESTION?
January 30, 2011 by Nick

Maths
Hi Please can you help? Really sorry for repeating the question but I wrote it incorrect before. Find the particular solution of the differential equation from dy/dx=2/27(x-3)(x^2-6x+23) / (y) (y>0. for which y = 2 when x = 1, and then give this particular solution in ...
April 4, 2011 by Claire

Math
From an 8 inch by 10 inch rectangular sheet of paper, squares of equal size will be cut from each corner. The flaps will then be folded up to form an open-topped box. Find the maximum possible volume of the box.
April 9, 2011 by tammy

Chemistry
How many atoms of iron will react with an excess of sulfur to form 3.098 grams of iron (II) product? Fe + S ---> FeS (2.12x10*25) I would appreciate if an explanation would be given... I need more than just the answer. Thank you!
July 5, 2011 by Alex

chemistry
Hydrochloric acid is usually purchased in concentrated form with a 37.0% HCL concentration by mass and a density of 1.20g/mL. How much of the concentrated stock solution in milliliters should you use to make 2.5L of 0.500M HCL
November 6, 2011 by Monique

kite runner
can someone help me answer in point form for these questions 1) describe Hassan physically? what is a cleft lip? 2) describe him by his relationship with amir? 3) what was his first word? why is that important? 4) how did he come into amir's life?
November 7, 2011 by lalala

Trigonometry One Quick Question! Please help!
Triangle ABC has side lengths 7, 24, and 25. Do the side lengths form a Pythagorean triple? Explain. Thank You so much! :) I'm having a hard time understanding this so it means alot!
February 20, 2012 by Amaya

chemistry
Which of the following pairs can be used to prepare a buffer? (select all that can apply) a. HCl/NaCl b. HF/KF c. NH3/NH4Cl d. HNO3/HNO2 e. NaNO2/HNO3 can you also please explain how they form a buffer? thank you
April 12, 2012 by kc

math
a building cast a shadow approximately 130 ft long on the street when the suns ray form an 82.9 degree angle with the earth. how tall is the building? 180-82.9-90= 7.1 degree tan 7.1 = x/130ft x= 16.19ft is this correct? thanks!
August 26, 2012 by greeny

Physics
The latent heat of vaporization of H2O at body temperature (37C) is 2.42 x 106 J/kg. To cool the body of a 77.6-kg jogger [average specific heat capacity = 3500 J/(kg C)] by 2.78 C, how many kilograms of water in the form of sweat have to be evaporated?
December 5, 2012 by StressedStudent

Chemistry
How much concentrated solution would you take to prepare 2.80L of 0.475M HCl by mixing with water? Hydrochloric acid is usually purchased in a concentrated form that is 37.0% HCl by mass and has a density of 1.20g/mL.
February 21, 2013 by M J

algebra 1 NEED NOW!!! PLEASE HELPPP
A rectangular picture measuring 3 in. by 7 in. is surrounded by a frame with uniform width x. Write a quadratic function in standard form to show the combined area of the picture and frame.
July 1, 2013 by lisa

Finance
__________ Management involves decisions regarding how much money to retain in a liquid form and how to allocate funds among short-term investment instruments. a. investment b. money c. credit d. liquidity
October 24, 2013 by Sheliah

Grade 12 Calculus
A rectangular piece of paper with perimeter 100 cm is to be rolled to form a cylindrical tube. Find the dimensions of the paper that will produce a tube with maximum volume. I have made it up to getting an equation for V(w).
March 25, 2014 by Q

geometry
"An equilateral triangle of side length 6 sqrt 3 is rotated about an altitude to form a cone. What is the volume of the cone?" Please don't solve the entire thing. A hint is all I really want so I can solve it by myself. Thanks!
August 4, 2014 by Sheenybeany

math 6th grade
Mr.Pilgrim has a turkey farm.He has one male turkey for every 17 female turkeys.If he has 289 females,how many does he have?Can this be expressed using exponents? Each turkey has 2.3X106 feathes.How many feathers is that in standard form?
November 16, 2009 by Annia

science
what happens immediately before a volcano erupts ? a) magma collects in the mantle b) lava hardens to form volcanic rock c) expanding gases pushes magma through the pipe d) the temperature in the magma chamber decreases
February 18, 2014 by victoria

Economics
6. An article in The Wall Street Journal reported that large hotel chains, such as Marriott, are tending to reduce the number of hotels that they franchise to outside owners and increase the number the chain owns and manages itself. Some chains are requiring private owners or ...
June 24, 2013 by AAAAA

ECONOMICS !!!!! Help me ***
An article in The Wall Street Journal reported that large hotel chains, such as Marriott, are tending to reduce the number of hotels that they franchise to outside owners and increase the number the chain owns and manages itself. Some chains are requiring private owners or ...
June 25, 2013 by BBBBBB

math
trying to reduce to simpilest form 1.t-a/t^2-a^2 i have 1/2(t+a) 2.3y^3+7y^2+4y/y^2+5y+4 i have cannot reduce thanks
December 9, 2007 by jeff

database
Prove that for any relation R(X,Y) Select Select(R (X=x0) (Y=y0))) = Select (R(X=x0) and Y=y0)) What is an equivalent form of (Select(R (X=x0) or (Y=y0)))?
April 21, 2009 by SUE

math
Show that any positive odd integer is of the form 6q+1, 6q+3 or 6q+5, where q is any positive integer
June 20, 2009 by priya

math
show that any positive odd integer is of the form 6q+1, 6q+3 or 6q+5, where q is any positive integer.
June 21, 2009 by priya

calculus
Write the complex number in exponential form. i i is the complex number.
May 30, 2010 by Miranda

math write in simplest form
1) y/z for y =-6 z = -20 i got: -6/-20 = 0.3 2) 2y/-z y= -5 z = -12 i got: 2(-5)/-12 = -10/-12 = 0.83 3) y + z/2z y= -4 z = 8 i got: -4 +8 / 2(8) = 4/16 = 1/4 4) -2y + 1/-10 y= 3 z = 10 i got: -2(3) + 1/-10 = -5/-10 = 0.5 are these correct?
December 8, 2011 by marko

Math
Divide write in simplest form 13. 3/4 divided by 7/12=1 3/28 14. 9/10 divided by 9= 8 1/0 15. 2/3 divided by 5/8=1 1/5 16. 4 divided by 7/9=9/28
May 8, 2013 by Jerald

math
how do I write 20,000,000+ 70,000+4,000+900 in standard form
September 23, 2013 by shannon

add maths
2+square root 3 & 2- square root 3 Form equation ..
January 27, 2014 by mandy

add maths
2+square root 3 & 2- square root 3 Form equation ..
January 27, 2014 by mandy

Math/spanish
how do you translate the number 501,289 into the spanish written form? (five hundred one thousand two hundred eighty nine)in spanish?
September 10, 2007 by Meredith

Advanced Math
Identify the polar form of the linear equation 4x+3y=10. x=rcos(theta),y=rsin(theta) 4x+3y=4rcos(theta)+3rsin(theta)=10 r=10/(4cos(theta)+3sin(theta) I got it wrong
August 6, 2009 by Jon

Teacher Aide
Where would you most likely find a token economy as a form of classroom management? A} RRP B} Contract approach C} Contingency management approach D} RIP approach
March 23, 2010 by liana

Algebra
A triangle has the side lengths of 5 inches 12 inches and 15 inches every demention is multiplyed by 1/5 to form a new triangle how is the ratio of the perimeters related to the ratios corresponding sides?
October 25, 2010 by Joelseph

Chemistry
Write a balanced equation for the incomplete combustion of gaseous pentane (C5H12) which combines gaseous oxygen to form carbon dioxide, gaseous water and carbon monoxide.
November 6, 2012 by Christine

chemistry
draw particle diagrams that account for the fact that 2 volumes of nitric oxide gas react with 1 volume of oxygen gas to form 2 volumes of product with no leftover gas
April 5, 2013 by Paula

Math
Pls check write this number in standard form Nine hundred two trillion six hundred seven 902,000,000,000,607
October 20, 2013 by Gio

Literaure Question-Desperate For Help!
It is not wise to rely on the ________ to determine whether a stereotype exists in a book. title, illustrations, book's format, or copy-right date I do not know how to answer this question. My text says do not rely on the date of publication to tell you if a stereotype exists...
February 5, 2007 by Karin

Chem
Hi! I need help with this question: Sulfur dioxide reacts with chlorine at 227 oC: SO2(g) +Cl2(g) ↔ SO2Cl2(g) Kp for this reaction is 5.1 x 10-2 atm-1. Initially, 1.00 g each of SO2 and Cl2 are placed in a 1.00 L reaction vessel. After 15 minutes, the concentration of ...
February 20, 2013 by Anonymous

Physics
Charged particles such as ions can separate the charges inside of overall electrically neutral atoms, thus making an electric dipole. A dipole is characterized with a dipole moment p=αEexternal, where α is the polarizability of an atom, and Eexternal is the external ...
July 1, 2013 by Mary

Chem (monomers)
Hi I'm having major problems with monomers in proteins. One what is a monomer Two what is it doing in a protien? Much thanks, Rosie A "monomer" is a single unit of a polymer and a polymer is just a bunch of monomers (single units) hooked together. Teflon is a polymer. It is ...
April 15, 2007 by Rosie

managerial economics
An article in The Wall Street Journal reported that large hotel chains, such as Marriott, are tending to reduce the number of hotels that they franchise to outside owners and increase the number the chain owns and manages itself. Some chains are requiring private owners or ...
June 21, 2013 by air

Pyiscal science
When nickel combines with flourine to form nickel [3] floride, the charge of the nickel ion is All of my references list NiF2 as the formula. Therefore, Ni would have a charge of +2.
December 13, 2006 by Cory

Science
Nitrogen in air is int he form of two nitrogen atoms fastened together, N2. Is Nitrogen an element or is it a compound?Explain. PLease help me! I need help really badly! please help !!! Fast!!
October 20, 2008 by Mary

Math
If a ray divides an angle into two acute angles, then it bisects the original angle Find the maximum area of a rectangle with the perimeter of 54 cm. Do ray CD and ray CE form line DE?
November 1, 2009 by Anonymous

Precalculus(URGENT)
write the parabola in y squared=4ax or x squared =4ax form where x equals the distance between the foci and the centerpoint y= -(x+3)squared +4 i have no idea how to do this can you tell me how you got the solution
April 19, 2010 by Arielt -Help now fast due tommorow

american government
there are five main principles that form the basis of rules that ensure our democratic government. discuss each and present an example that shows how our government is not obeying each principle
July 20, 2010 by emma

geometry
This one is confusing me. please help The diameter of a circle has endpoints P(10, 2) and Q(4, 6).Find the center of the circle.Find the radius. If your answer is not an integer, express it in radical form. Write an equation for the circle. Thanks
January 12, 2012 by ryan

Math 12A
Each side of a square is 20cm. Four points on the sides are joined as shown to form an inner square. What is the minimum area of the inner square? Can anyone help with this using quadratics? Please!
February 25, 2012 by Me & u

math
the museum charges $20 dollars for two people. and 28 for three people what is the equation that realtes the number of people in a group and the cost to enter a museum? write it in slope intercept form
March 12, 2012 by bogalusa high

physics
A 19.3- gmass of gold in the form of a cube is 1.00 cmlong on each side (somewhat smaller than a sugar cube).What would be the length of the sides of a cube having four times this mass of gold?
March 22, 2012 by jim

physics
A 19.3- gmass of gold in the form of a cube is 1.00 cmlong on each side (somewhat smaller than a sugar cube).What would be the length of the sides of a cube having four times this mass of gold?
March 24, 2012 by jim

english
Choose the correct form of the possessive for the bolded word in the following sentence: "A YEARS worth of hard work has finally paid off. year years years' *year's Thank You.
April 30, 2013 by Anonymous

Trignometry
Solve the equation. Express your answer in trigonometric form. x^5-11=0 I know the answer is: 11^1/5(cos α + i sin α) for α = 0, 72, 144, 216, 288. But I don't know where to even start working on this problem.
July 1, 2013 by hello

Surds
Solve in the exact form. (sqrt of 4x+1)+(sqrt of x+1)=2 Someone showed me to do this next: Square both sides..so.. 4x+1+2((sqrt of 4x+1)(sqrt of x+1))=4 I do not understand where the 2 come from ..and why do we need to multiply the sqrt of 4x+1 and sqrt of x+1 together to get...
July 11, 2014 by Gingie

science
I am having trouble with Restate the problem in terms of the following: Manipulated variable Constant (control) variables Principles of experimental design State in correct form the hypothesis you intend to demonstrate. I have conducted the experiment but I am not sure how to ...
December 16, 2008 by pookie

Biology
How is information stored and coded in DNA and genes? A. In sets of three nucleotides called codons B. In amino acids that are bonded together to form proteins C. as mRNA, tRNA, and rRNA D. By an RNA polymerase I am stuck between A and B, but am pretty confident on A as the ...
March 26, 2009 by Rachale

English
Slaughter House Five For whatever reason, Billy cannot tell his wife, Valencia, about his Dresden experiences but fluidly recounts minute derails to Montana Wild hack. Why is this? Is she form of earth mother? A fantasy for bored, middle-aged married men?
April 27, 2011 by Dhruv

computers
19. The major reason for the predominance of the PCI bus in the latest models of PCs is that End of exam A. it's exclusively manufactured in the USA. B. the size and form factor make it easy to package. C. the technology was released as open source. D. it uses ASSEMBLER ...
September 18, 2012 by g

foreign language (Spanish 2)
Fill in the blank with the correct form of the preterite verb given. 1.)Yo______el tenis. (practicar) 2.)Elena y yo_____amigos. (ser) 3.)Ayer, mi hermano____ ____. (ducharse) 4.)Yo____la pelicula Thor. (ver) 5.)Mis amigos____mucho dinero. (tener)
January 23, 2014 by Fiona Coye

English
Can you help me rephrase the poem Mirror by Sylvia Plath? 1) The mirror is silver, exact and four-cornered. It has no preconceptions. It is truthful, not cruel. It swallows whatever it sees, unmisted by love or dislike (How can I replace unmisted?) It has the eye of a little...
January 21, 2010 by Franco

science - chemistry pH problems
Here is the hint I received on how to solve those tough pH problems I posted earlier: Both of these can be solved using the H-H and doing the algebra. The math itself is hard to type out, but in Q1 the values of [NaA] and [HA] are 0.04805 and 0.15195. In Q2 you will have to ...
October 11, 2006 by ajones51

Chemistry
How can Nitrogen and oxygen form nitrogen dioxide if both nitrogen and oxygen have a negative charge?
February 13, 2008 by Kelsey

math
(w+9)^3+56=0 write were w i a real number write answer in simplified radical form write b^2/3 as a radical expression
March 13, 2013 by kj

Math
How would you put this in an equation in slope intercept form? what would it look like? Y-intercept -5, X-intercept 3
November 3, 2013 by Hannah

Math
How would you put this in an equation in slope intercept form? what would it look like? X-intercept -4, Y-intercept -2
November 3, 2013 by Hannah

Geometry
if the angle of rotation with respect to lines l and m measures 30 degrees, then l and m intersect to form an angle of how many degrees? is it 30 degrees?
May 14, 2014 by sara

Environmental Science
The phosphorus, carbon, and nitrogen cycles are termed biogeochemical cycles- bio meaning "living"; geo for the earth (soil); and chemical referring to matter changing form. Explain why this term is appropiate. (I need a short answer)
December 22, 2006 by Qiayamah

Health/ Basic Clinical Procedures
Please check my answer thanks The patient states he smokes a pack of cigarettes a day. On what form should you record this information. A medical history B. progress note C. physical exam D medication record I pick A
April 17, 2008 by Helana

Numerical Analysis
x 0 2 3 4 y 7 11 28 63 a)_Using these values, use the Lagrange interpolation process to obtain a polynomial of least degree. b)_rearrange the points in the table of a) and find the newton form of the interpolating polynomial. Show that they are the same even though their forms...
October 6, 2008 by Julie

Chemistry
1. Which element would react more actively when placed in water to form strong base? A. Potassium B. Magnesium C. Fluorine D. Oxygen Would it be A? 2. Which transition metal has inner third orbital partially filled? A. Iron B. Gold No ideas on this Thank you.
May 31, 2009 by Anonymous

6th gradeScience
Help!!!! I can't find these answers anywhere and I don't have a science text book. 1. A tough outer covering that lies right outside the cel membrane. 2. A twisted membrane with portions that break off to form vesicles that tranport materials.
December 8, 2009 by Eryn

English 12
In the short story defender of the faith by philip roth,Grossbart insists on caling da sergeant 'sir'.Why doz Marx object?Is dis form of adress merely an oversight,or doz Grosbart hav sum ulterior motive?
May 24, 2010 by Stella

chemistry
I know the answers for these questions, I just want to learn why 1- Use the table to determine which of the following species will convert Cd2+ to Cd. A. Fe3+ B. Pb2+ C. Zn D. Co2+ E. Sn 2- Which of the following salts will form an acidic aqueous solution? A. NaCl B. NaCN C. ...
June 19, 2010 by zidan

us history
I'm doing a mock trial defending Andrew Jackson being impeached. He is being indicted for violating states' rights in his dealings with South Carolina in the nullification crisis. I'm finding it extremely hard to find any info to form reasons to defend him.
November 6, 2010 by Michelle

ICT
which of the devices uses reflected light to determine the location of pencil marks on test answer sheets and similar form? 1)barcode reader(BCR) 2)magnetic ink character recognition(MICR) 3)optical mark reader 4)mouse
November 28, 2010 by sweetie

Maths
A Swiss Roll cake is 21cm long. When I cut it onto slices if I reduce the thickness of each slice by 1/4cm. Taking x as the number of thicker slices, write down an equation in x and solve. I just dont undertsand how to form the question.
January 10, 2011 by Remy

trig
an art student wants to make a string collage by connecting six equally spaced points on the circumference of a circle to its center with sting. What would be the radian measure of the angle between two adjacent pieces of string, in simplest form?
February 24, 2011 by ganash

intermediate algebraDivide
Essay: Show all work. A gardener wants to create a rectangular garden with length of 2x-3y ft. and width of x+4y ft. What is an algebraic expression for the area of the garden? Be sure to multiply this out, express in simplest correct mathematical form, and include units.
July 18, 2011 by sheba

grammer
the music is so cheerful that it ___1___ you to hum or whistle along. if you can't carry a tune, you will be ____2____ time to the music. in his teens he was ____3_____ orchestra. using the correct verb form, (force, direct, tap) i think it is 1) forces 2)directing 3)tapping
April 11, 2013 by Anonymous

physics
A hollow steel buoy in thee form of a sphere of radius 0.5m is fixed by a wire to the base of a river. If the mass of the buoy is 20kg, calculate the tension in the cable. (Take density of water=1000 kilograms per cubic meter).
August 15, 2013 by Hilder

Personal Dimensions of Education
Select the correct form of the verb provided to correctly complete the sentence. This weeks Steal of the Week claims that there _____ hotel specials available in Las Vegas for $18.00 a night at several of the five star casinos. is are
February 16, 2014 by ACE

English
I'm finding it difficult to check these sentences. Could you please help me? Thank you. 1)A ghost appears to Hamlet and asks him to take revenge and kill his murderer, Claudius. At the end of the play Hamlet manages to kill Claudius, but he also dies and his mother as well. 2)...
January 3, 2012 by Henry2

AP Calculus
Water flows at a rate of 2 cu. ft. per minute into a vessel in the form of an inverted right circular cone of altitude 2 ft. and the radius of base 1 ft. At what rate is the surface rising when the vessel is one-eighth filled?
October 26, 2006 by Sarah

logarithmic eq:
3logx = 6-2x Thanks This is a problem that is best solved by iteration, or graphing. I recommend graphing. There is no closed-form solution. You need to solve it by graphical or iteration (trial and error) methods. The answer is approximately 2.43, if the log base is 10.
February 23, 2007 by Jen

Math
-4 is less than 12+x (Idon'y know how to make the less than sign on the computr) I've subtracted 12 form each side and I get -8. What am I doing wrong? 2m-5=17 I added 5 to each side and get 22. Then divide by 2 get 11. Is that coeerct? -4 < 12 + x -16 < x You did not ...
February 27, 2007 by Elizabeth

algebra
how do I convert 9/16 into a percent? Is this done differently in a algebric form? Divide 16 into 9.000, using the normal procedures of long division. This should give you 0.5625; then multiply the decimal by 100. This isn't algebra, by the way.
April 27, 2007 by help me understand

Chemistry
Hydrogen sulfide, H2S is a foul smelling gas. It burns to form sulfur dioxide. 2H2S +3O2 ----> 2N2 +6H2O Delta H=-1036kJ Calculate the enthalpy change to burn 26.7 g of hydrogen sulfide.
October 29, 2007 by Lauren

Chemistry
I looked in my book and I can't find the answers to these questions! Can anyone help me? :) Question #1: Why do liquids in a graduated cylinder form a meniscus? Question #2: Give three examples of amorphous solids. I have glass, can anyone give me two more! Thanks :) !
February 13, 2008 by Miley

Music
What form is the first movement of Mozart Piano Concerto No 21 K. 467 in? Is it sonata allegro? Please someone help me out, I have to write a music paper and I have very little technical expertise in the subject!
March 29, 2008 by Seymour

Pre-cal (please help)
A polynomial of degree 4 that increases the y-axis at 6 and whose y-values get more and more negative as x -> +infinity and x -> -infinity -Represent a function that satisfies the given conditions by an equation. Leave in factored form.
August 30, 2011 by Neri

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