Questions Asked on
November 30, 2008

Chemmmm =(
Which ion in each of the following pairs would you expect to be more strongly hydrated? (a) Na+ or Mg2+ Why? thanks!!
asked by Dina 
chemistry
A voltaic cell at 25oC consists of Mn/Mn2+ and Cd/Cd2+ halfcells with the initial concentrations [Mn2+] = 0.100 M and [Cd2+] = 0.0100 M. Use the Nernst equation to calculate E for this cell. Cd+2(aq) + 2e = Cd(s) . . . . . . Eo = 0.40 V Mn+2(aq) + 2e =
asked by nj 
Physics
A car is traveling along a straight road at a velocity of +31.0 m/s when its engine cuts out. For the next ten seconds, the car slows down further, and its average acceleration is a1. For the next five seconds, the car slows down further, and its average
asked by Sara 
socal studies
what are the magical figures placed in between layers of a mummys wrapping.
asked by Randi 
physical science
Before 1937, all naturally occurring elements had been discovered, but no one had found any trace of element 43. Chemists were still able to predict the chemical properties of this element (now called technetium), which is widely used today for diagnosing
asked by Jameisha 
Chem. Find specific heat capacity.
A piece of lead with a mass of 27.3 g was heated to 98.90oC and then dropped into 15,0 g of water at 22.50oC. The final temperature was 26.32oC. Calculate the specific heat capacity of lead from these data. THANK YOU FOR ANY HELP!
asked by Sarah 
biology
Biotechnology allows us to use living organisms or their processes for human needs or purposes. Currently, this topic includes such general examples as cloning, stem cells (adult, umbilical cord, and embryonic), DNA fingerprinting, biological warfare,
asked by Tammy 
Math (Word Problems)
I need to know how to set up this problem: A salesman drives from Ajax to Barrington, a distance of 120 miles, at a steady speed. He then increases his speed by 10 mph to drive the 150 miles from Barrington to Collins. If the second leg of his trip took 6
asked by Dani 
math
how do I classify polygons ?
asked by imani 
chemistry
What volume of ethylene glycol (C2H6O2), a nonelectrolyte, must be added to 20.0 L of water to produce an antifreeze solution with a freezing point of 28.0°C? (The density of ethylene glycol is 1.11 g/cm3, and the density of water is 1.00 g/cm3.) .....L
asked by Rita 
Math word problem
I know the answer, but is there a formula to show work? Amy had a piece of wire 96 inches long. She cut the wire into 3 pieces. The second piece was 6 inches longer than the first piece. The third piece is 9 inches longer than the second. What was the
asked by Lauren 
physics
A 190 kg object and a 490 kg object are separated by 0.400 m. At what position (other than an infinitely remote one) can the 35.0 kg object be placed so as to experience a net force of zero?  m from the 490 kg mass I do not understand how to
asked by tina 
Calculus
Carla Music Company estimates that the marginal cost of manufacturing its professional series guitar is C’ (x) = .002x + 100 dollars/month when the level of production is x guitars/month. The fixed costs by Carla are $4000 per month. A. Find the total
asked by Mel <3 
Math
Omar owns a car and a moped. He can afford 12 gal of gasoline to be split between the car and the moped. Omar's car gets 20 mpg and, with the fuel currently in the tank, can hold at most an additional 10 gal of gas. His moped gets 100 mpg and can hold at
asked by Kelly 
History
what is the approximate distance along trade routes between venice, italy, and guangzhou, china ? the answer has to be in miles and kilometers.
asked by Yvette 
to dr bob..chemistry
bottle of wine contains 13.1% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3. Calculate the concentration of ethanol in wine in terms of mass percent and molality. mass percent _______% molality ______mol/kg Thanks Responses AP CHEMMMM 
asked by Lawrence 
math
Mrs. Brighton invested $30,000 and received a total of $2,300 in interest. If she invested part of the money at 10% and the remainder at 5%, then how much did she invest at each rate?
asked by helpme 
chemistry
What pressure would have to be applied to steam at 325°C to condense the steam to liquid water (ÄH vap = 40.7 kJ/mol)? Responses Dr bob please! Chemistry  GK, Friday, November 28, 2008 at 11:47pm Use the ClausiusClapeyron Equation to calculate the
asked by Rachelle 
MGT
Supervisors are an essential component in improving the overall productivity and effectiveness of an organization—from planning and strategizing to cutting costs and controlling assets. Analyze and discuss the most important thing a supervisor can do to
asked by troyer0269 
physics  fluid mechanics
Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and radius for a neutron star might be 3.4 multiplied by 1028 kg and 2.0 multiplied by 103 m. (a) Find the density of such a star. (b) If a dime (V = 2.0 multiplied
asked by cindy 
Chem again sorry
A solution of sodium chloride in water has a vapor pressure of 18.3 torr at 25°C. What is the mole fraction of NaCl in this solution? __________ What would be the vapor pressure of this solution at 45°C? The vapor pressure of pure water is 23.8 torr at
asked by Dina 
Social studies
question about the Indus Valley Civilization. Why did these ancient people choose to settle in this region? What benefits did it offer? What invention allowed the people to ove into the valley? How might fuel for this invetnion have caused the
asked by Brandon 
history
What are the checks on the power of the judiciary? Are they potent and easily invoked or weak and difficult to invoke?
asked by kim 
Pigskin Geography
A game between two of the competing teams from bordering states might well be called the "Kudzu Klash". The game between which teams would deserve this title?
asked by Jacob 
physical science
Describe why chemists might sometimes store reactive chemicals in argon, Ar: To which family does argon belong?
asked by Jameisha 
Statistics
2. The time (in number of days) until maturity of a certain variety of hot pepper is normally distributed, with mean m and standard deviation s = 2.4. This variety is advertised as taking 70 days to mature. I wish to test the hypotheses H0: m = 70, Ha: m >
asked by Latoya 
English: College Essay
I need someone to please revise my college essay, I've had some teachers look over it and help me make it better. But well... I'm at home right now and I don't have anyone to help me at the moment. Anything will be do really. Prompt: Evaluate a significant
asked by Alex 
physics
The intensity of an earthquake wave is measured to be 6 x10 ^6 J ms at a distance of 50 km from its source. Calculate the intensity when it passed the point 4 km to source ? What is the rate energy passed through an area of 6 ms^2 at 4 kW?
asked by Sandhya 
organic chem.
What is a factional distillation and how would you figure out how many fractional distillation would C4H8CL2 isomers have.
asked by Jen 
fluid mechanics
A brick weighs 15.0 N and is resting on the ground. Its dimensions are 0.203 m multiplied by 0.0890 m multiplied by 0.0570 m. A number of the bricks are then stacked on top of this one. What is the smallest number of whole bricks (including the one on the
asked by cindy 
Algebra 1A
How is algebra a useful tool? what concepts investigated in algebra can be apply to personal and professional life? I need help answering this question. Please help?
asked by Julissa 
Chemistry
Given: H3PO4(aq) + 3 NaOH(aq) ¨ 3 H2O(l) + Na3PO4(aq) ƒ¢H = 166.5 kJ What is the value for q (heat) if 4.00 g of NaOH reacts with an excess of H3PO4? Please can you explain to me HOW to do this, not just give me an answer? Thanks!
asked by Jake 
Math 115
Need some help with two questions 1. 6.5% of what number is 325? I got 325 ÷ 0.065 = 5000 Is that corrrect? The minimum daily values (MDVs) for certain foods are given. They are based on a 2,000 calorie per day diet. Find decimal and fractional notation
asked by Debbie 
Math
Find all the numbers that give you 7.29 when squared. Show your work.
asked by Lauren 
Science (?)
What are all the ways humans use rivers? I am writing a report on the relationship between water and organisms and I am now talking about the ways we humans use river. So far I have as a source of transportation, recreation (for boating, fishing, and
asked by Kathryn 
9th grade SPANISH
venezuelan influences on AMERICA(like CULTURE,LANGUAGE,ECONOMICS,etc.)need b4 2morow
asked by ASAP!!!! 
conservation of momentum
If you have two pucks elastically collide on an air table, and then analyze the momentum vector diagram of the situation, you encounter an increase in momentum. What are possible reasons as to why there was a gain of momentum. Note: Both pucks were pushed
asked by Melanie 
lena
sinxcosx = 0 x=? please and thank you! i'd appreciate it!
asked by trig 
math
Solve the following system of equations. x+y=13 22x+36y=356
asked by helpme 
Math
A book called The Penguin Dictionary of Curious and Interesting Numbers by David Wells (1986) contains fascinating numbers and their properties. One of which is the only 3digit numbers that are prime and all rearrangements of their digit are also prime
asked by Kris 
Physics
Show mathematically that a diverging lens will alway produce an upright image. [i.e. prove that hi is positive if f is negative] I'm not even sure how to start this. Can someone please help me?
asked by Sara 
Algebra check
Convert to Logarithmic equations. 10. 4^3 =1/64 I have the answer as log4 1/64 =3 11. 144^1/2 =12 I have the answer as log 144^12 =1/2 Are these answers right?
asked by Shawn 
physical science
Predict which isotope of nitrogen is more commonly found, nitrogen14 or nitrogen15.(Hint: What is the average atomic mass listed for nitrogen in the periodic table?)
asked by Jameisha 
physics help
Some researchers believe that the dinosaur Barosaurus held its head erect on a long neck, much as a giraffe does. If so, fossil remains indicate that its heart would have been about 13 m below its brain. Assume that the blood has the denisty of water, and
asked by Emeline 
physicsl science
Describe why atoms of bromine, Br, are so reactive. To which family does bromine belong.
asked by Jameisha 
psychology
I posted this question before and you told me to go to answers to look up the terms. I did what you said and had no luck. Blank is when members of a particular minority group have a longstanding lineage of repression and oppression. Research suggests that
asked by Michele 
Calculus
Find the derivative of y=x^2 / e^2x using the Quotient Rule, and simplify. I really need help! please! :)
asked by Mel <3 
History
The Battle of Trenton shows the Contintal troops demonstrating trustworthiness. what did the do?
asked by Matt 
Long Division
I need examples on how to help my son do his homework. I'ts Long Division divide Multiply, Subtract then Pull down i have no idea how to do this can someone please help me??? examples on: 8divided by 96 and 6 divided by 84
asked by Rosy 
government
What problems did the Court have in the ear between the Civil war and the New Deal in trying to limit economic regulation? In attempting to limit regulation, was the Court reading its own political views into the Constitution or striving for a neutral
asked by may 
division
ok i have another question these problees are alittle different... it's division: but it says find the quotints and remainders? then it has a problem of: 5 divided by 68 or 68 divided by 5???
asked by Rosy 
math
Solve the following matrices (I don't know how to do brackets so I will just use commas to separate the numbers and put them in different lines) A= 0, 2, 3, 1 3, 1, 0, 4 0, 5, 2, 1 B= 1, 4 2, 1 3, 0 C= 1, 0, 2 0, 3, 4 0, 8, 1 E= 1 2 3 4 F= 2, 5 3,
asked by heidi 
organic chemistry
Write a complete mechanism. Explain each step. Explain the stereo chemical changes. Compare the HNMR peaks of the substrate and the organic product Indicate missing peaks and newly formed peaks in the product. CH3CH2CH2CH3 + Cl2/light CH3CHCLCH2CH3 =HCL
asked by Anonymous 
Grammar
The hearingimpaired child needs special accommodations for the field trip. OR The child needs special accomodations for the field trip.
asked by Dorothy 
math need help please
x + 10 = 10 x stand for what
asked by LaNasha 
AED
How do classroom management issues differ, depending on the subject matter? For instance, how can you manage an English lang. arts or social studies classroom differently than you can a mathematics or science classroom? Math and science you can do
asked by troyer0269 
11th grade
ABCA1B1C1 is a prism which has regular triangles in the bases. The side of the prism has the length "a". The side AA1 makes equal angles with the sides of the base AB and AC, these angles have the value "alfa". We know that AA1 has the length "b". I need
asked by Please help! I need this urgent, please. 
Algebra
Thanks to those who helped with my question: y+3=1/12(x1)^2. The only thing I am still unsure of is how to write the equation for the directrix. Do I just simply write 0=33, (the values plugged in for y=kp). Thanks again for your help!!
asked by Natalia 
Math
I am a prime number between 40 and 50. If you add one to me, the sum of the prime factors of that composite number is 11. What number am I?
asked by Kris 
Math
Solve 4.2x 3.24 = 2.525.4x
asked by Larry 
Grammar
I'm describing the properties of a molecule, and I'm wondering if it's correct to say this  Physical properties: Fine, white, crystalline, powder OR should I remove the commas and write  Physical properties: Fine white crystalline powder
asked by Lucy X 
Math
Im trying to help my daughter with a question. I cant remember how. Please help!!! How do you solve 7 times the square root of 3 divided by the square root of 5.
asked by Venus 
AED
List the equipment and materials to be included in the science kit. o Explain what safety precautions are needed. Wear goggles, wear apron, wear gloves, and I am stuck there. o Outline the stepbystep procedures for the experiment. o Determine methods you
asked by troyer0269 
To yvonne/GK
Yvonne. Did you type all of the question about osmosis? correctly? I have struggled with it and something about it doesn't seem right. GK. Doesn't the NaCl enter the equation? And shouldn't the mass MgCl2 be less than 0.5000 gram? The total NaCl + MgCl2
asked by DrBob222 
Math
How do you factor 3x^3+81
asked by Chelsi 
zoology
Imagine a line from the mandibular bone to the root canal of a tooth. Name the tissues, in order, through which the line would pass.
asked by sam 
math
the day before yesterday is Monday. what is today?
asked by arbee 
math
six days after the day before yesterday is Monday: what day is today? Sorry, last time I typed it wrong. Thank you.
asked by arbee 
Math 115
The United States emitted 19.5 million t of nitrogen oxides (NO) into the atmosphere in 1987. One metric ton (1 t) equals 1,000 kg. How many kilograms of NO were emitted to the atmosphere in the United States during 1987?
asked by Debbie 
math
(x^5y^8)/(x^3y^4)
asked by brian 
math
six days after the day before yesterday is Monday: what day is today? Sorry, last time I typed it wrong. Thank you.
asked by arbee 
chemistry
how do i calculate the wavelength of light emitted by a hydrogen atom?
asked by kota 
Computer Applications
An Excel workbook can contain more than one workshet. Give two examples of a spreadsheet application where it would be necessary to have more than one worksheet and explain your answer. Please help. I am lost when it comes to excel!!
asked by Angel 
grammar
usage of the colon in a sentence. 1a. I just bought CDs by Regina Spektor, John Legend, and Prince. 1b. I just bought: CDs by Regina Spektoe, John Legend, and Prince. I believe the second one is incorrect because the first one looks and sounds more
asked by Dorothy 
FRENCH
Could you please check these sentences and also let me know which one is correct for #2 1)Yesterday my father worked a lot. Hier, mon père a travaillé beaucoup. 2)Where did your fahter work? is it: où ton père a travaillé? or: où a ton père
asked by E.G. 
math
Solve the following system of equation: 3x4y=9 3x+4y=12
asked by eva 
math
Solve the following system of equation 3x+5y= 11 x2y=11 is x=3 and y= 4
asked by eva 
math need help please
x/2 = 9 The solution is x = what
asked by LaNasha 
grammar
Do you think there needs to be a comma in this sentence or is the 2nd one correct? 1a. Students, who study hard, should do well on the test. 2a. Students who study hard should do well on the test. Or the more I read it the more the first one sounds better!
asked by Dorothy 
College Algebra
Find a linear equation in the form P = mt + b (y = mx + b), which gives the population, p, t years from 2010. This scenerio is based on a population of 6,000 in the year 2010, and increases by 200ppl every year. Please show the work too
asked by Carmine 
CHEMISTRY
Observations Mass of Fe metal:100 MG Volume of water in Calorimeter: 100 ML Mass of water in Calorimeter (use 1g per ml): 100G Initial Temperature of metal: 20 Initial Temperature of water: 20 Final Temperature (both metal and water): 100 Determine the
asked by JASON 
fluid mechanics problems
With the distance: 0.610 m, nutrient solution (ρ = 1040 kg/m3) can just barely enter the blood in the vein. What is the gauge pressure of the venous blood? Express your answer in millimeters of mercury.
asked by Gunyuoung 
Criminal Justice 200
What would a person consider two main functions of criminal law. How can you identify one justification and excuse defense?
asked by D 
SAT Essay
Think carefully about the issue presented in the following excerpt and the assignment below. Independent people—those who rely on themselves rather than on others—get what they want through their own efforts. Interdependent people combine their efforts
asked by Sahil 
proportions
3/8 over 3 = x over 5/12
asked by elizabeth 
Algebra help
Find (fog)(x)and (gof)(x)if f(x)=xx^2 and g(x)= 2x+3. Okay so I did the following: For f(of)g(x), take (2x+3)  (2x+3)^2 (insert g(x) where the "x" is in f(x) ) For g(of)f(x), take 2[xx^2] +3 The first answer that I get for (2x+3)  (2x+3)^2 is
asked by Shawn 
Calculus
Find the derivative of f(x) = x^2 ln (x^2) using the Product Rule, and simplify.
asked by Mel <3 
zoology
Describe the mechanisms that prevents food from entering the nasal cavity and larynx during swallowing
asked by sam 
AP chemistry
A typical electric air conditioner rated at 1.00 * 10^4 Btu/h (1 Btu = amount of energy required to raise the temperature of 1 lb of water by 1F). How much water must be evaporated each hour to dissipate as much heat as a typical electric air conditioner?
asked by kuljit 
United States History
What were the NORTHERN WHIGS views regarding the following: slavery women's suffrage prohibition of alcohol guarantee of free public education aid/help for handicapped right to education for women and African Americans practice of religion Native
asked by Joanne 
science help needed.
each statement is false. rewrite each one as a true statement,showing as much scientific understand as possible. 1. light waves travel slower than sound waves. 2.a black object will reflect white light. 3.a translucent object lets no light through. 4.an
asked by ruby127 
Algebra check
Determine whether f(x)=x^2 is one to one. I have the answer as yes. Is this right
asked by Shawn 
Math 115
Mark uses 1 pt 9 fl oz and then 2 pt 10 fl oz from a container of film developer that holds 3 qt. How much of the developer remains?
asked by Debbie 
Biology (respiration)
1* fructose 1 6 biphoshate or diphoshate (which one is it exactly?) 2* what is the molecular formula for fructose 1 6 di/biphosphate? SOME SITES say C(6)H(10)O(6)P and some say C(6)H(14)O(6)P...WHICH IS IT? making me real confused 3* what is the formula
asked by Kimora 
Math 115
Round to the nearest hundredth A) 72 in.= cm 2.54 X 72=182.88cm Correct? B) 7 L =_qt 1.06 X 7 =7.42 qt Correct? C) Samantha’s speedometer reads in kilometers per hour. If the legal speed limit is 55 mi/h, how fast can she drive?
asked by Debbie 
Thank you !!!!
Great!! this web site is awesome i love it and i appreciate the answers they were very clear thanks again.
asked by Rosy 
macroeconomics
The pursuit of self interst: a) is highly detrimental to the market system b) means the same as "selfishness" c) is reflected in the behavior of firms, but not in the behavior of consumers d) gives direction to the market system
asked by Anonymous 
englishlearning styles
and where would it be good to be field dependent and where field independent?
asked by jilly 
math
Solve the following matrices.(sORRY I DON'T KNOW HOW TO DO THE BRACKETS) B= 1, 4 2, 1 3, 0 D= 0, 1 1, 0 G= 3, 1 4, 5 FIND: a) DG = b) GD = c) BG = d) DD = e) GG =
asked by heidi 
Chemistry
What is a definition for i) radial wavefunction ii) angular wavefunction What is the physical meaning of each?
asked by Alice 
chemistry
The following cell was observed to have an emf of 2.25 volts at 25.0oC : Zn(s)  Zn2+(aq, 0.143 M)  Cl2(g, 0.548 atm)  Cl(aq, ?M)  Pt(s) . Use tables of standard reduction potentials in Petrucci to calculate the concentration of chloride ion in the
asked by nj 
grammar
Runon sentences: 1a. Both Lisa and Alan enjoy photography; both have won prestigious awards. 1b. Both Lisa and Alan enjoy photography, both have won prestigious awards. Which one is correct and why?
asked by Dorothy 
English/grammar
Semicolon. 2a. The Bears lost the Super Bowl to Indianapolis; worse yet, I lost a bet with my brother about the outcome of the game. 2b. The Bears lost the Superbowl to Indianapolia; worse yet; I lost a bet with my brother about the outcome of the game.
asked by Dorothy 
calculus
Find the minimum cost of producing a can that contains 1000mm^3 if the cost of the metals is 2 cents per mm^2 and the cost to weld the seams is 1 cent per mm. Assume three welds;one around the top, one around the bottom, and one down the side.
asked by Mary 
pdhpe
Is there any direct links to get graphs and tables on CVD in Australia from 19882008 or around those times possibly? Ive tried ABS.
asked by maryd 
artist
WHICH ARTISTS HAVE BEEN IN THE ROMANTICISM MOVEMENT, AND PAINTED lANDSCAPES?
asked by C 
Geometry
ABCA1B1C1 is a prism which has regular triangles in the bases. The side of the prism has the length "a". The side AA1 makes equal angles with the sides of the base AB and AC, these angles have the value "alfa". We know that AA1 has the length "b". I need
asked by Frost Boost 
CULTURAL DIVERSITY
Consider racial imbalances in education, the economy, family life, housing, criminal justice, health care, and politics. Of these societal challenges facing modern African Americans, which do you think are most difficult to overcome, and why?
asked by coreen 
Microeconomics: Consumer Theory
If the MU per dollar spent on wings is greater than the MU per dollar spent on pizza, JP will spend that dollar on wings because it adds more to his TU than if he spent it on pizza, i.e., he’ll buy more wings and less pizza. Suppose that JP was consuming
asked by Anonymous 
science
Will following through in your kick help the ball be more accurate opposed to stopping the momentum at point of contact>
asked by Lucy Pirkle 
Algebra
(I posted this yesterday, if it looks familar, but no one was on who could help me). I am supposed to graph y+3=1/12(x1)^2. How do I find the equation of the directrix, and the coordinates of the vertex and the focus?
asked by Natalia 
Algebra
My standardform equation is (x+3)^2+(y+2)^2=4. Do I find the radius by doing the square root of four? I just wanted to check on this. Based on the example in my book, it seemed like this is the way to do this, but I wanted to make sure, because they
asked by Natalia 
Physics
white liht is produced by blue light and what other liht? I think it's yellow, but I'm not even sure behind my reasoning. I could really just use some help on this; I've been trying to find a good website to explain the whole color theory, but so far what
asked by Isobelle 
Geometry
Do the altitudes of an isosceles triangle go to the midpoints of the opposite sides? My triangle ABC is isosceles with points A (0,0), B (a,b), and C (2a,0). My diagram shows that the altitude from A will hit side BC at point N and the altitude from C will
asked by Amy 
Algebra inverse
Find the formula for the inverse of each funtion. 3.) f(x)= 2x5 for this one I have y= (x+5)/2 is this correct? 4.) g(x)= (x+5)^3 I am stuck on this one.
asked by Shawn 
Math
How do you convert pound to kilograms and how do you convert kilograms to pounds?
asked by Janisha 
Math
How do you convert grams to ounces and how do you convert ounces to grams?
asked by Janisha 
maths
multiply and simplify 2(b + 3) + 3(2b  1)
asked by stuart 
math
how do you convert kilograms to pounds
asked by Jameisha 
elastic collision
Also, is it important to apply force on the mass as little as possible because it will allow the system to gain momentum?
asked by Melanie 
math
how do you convert ounces to grams
asked by Jameisha 
math
how do you convert grams to ounces
asked by Jameisha 
physics pbs
A bodybuilder is holding a 20kg steel barbell above her head. How much force would she have to exert if the barbell were lifted underwater?
asked by myra ko 
another physics pbs
Oil is flowing with a speed of 1.24 m/s through a pipeline with a radius of 0.299 m. How many gallons of oil (1 gal = 3.79 multiplied by 103m3) flow in one day?
asked by myra ko 
algebra
What is 4x+12=20
asked by Ash 
accounting
Select a company you are familiar with. Explain each step of the accounting cycle. Describe at least one transaction that would occur at the company you selected in each of these steps
asked by Tammy 
6th grade algebra
3/8 + x __ __ 3 5/12
asked by elizabeth 
WM
Where are the opportunities for employment in this field? (location) I've searched,but can't seem to find anything. by the way, the job is "webmaster" Please help, thanks.
asked by Larry 
proportions
3/8 x __ = __ 3 5/12
asked by elizabeth 
spanish
srecmoro
asked by Anonymous 
Biochemistry
What are the structures of the products of a complete acid hydrolysis of glycerophospholipid where the alcohol is ethanolamine, HOCH2CH2NH2 and the fatty acid is stearic acid. Can anyone help on this one? Confused here...
asked by Scott 
Algebra check
Determine whether f(x)=x^2 is one to one. When I substitute values in for x even when I use negative values x^2 will be positive so is it one to one?
asked by Shawn 
math
trigonometric functions/ radians the angle Ə is in the first quadrant, and cos Ə = 2/√5 a) draw a diagram to show the angle in standard position and a point P on its terminal arm b) determine possible coordinates for P
asked by s 
proportions
x over 100/125 = 75/225 over 4/25 what is x and how do you get the answer please
asked by elizabeth 
Assembling an icosahedronURGENT!
I have to create an icosahedron and I need to know if the top of it needs to have the flaps IN? I put them OUT, and the glue is drying, so can anyone please tell me which way the flaps go? Does it even matter? pleeease help, thanks
asked by Anonymous 
math
I'm working on Linear Programming Models. How do I find the corner points when they fall between two numbers? Is there some formula to use?
asked by Carolyn 
economic
1. If C = 1000 + 7/8[GDP1000], I = 700 and G = 1000 and the economy is currently in equilibrium at 400 below full employment GDP, the correct fiscal policy would be to increase G by? (Points: 2) 2. If C = 500 + 3/4[GDP 100], I = 300, G = 400, Xn = 10
asked by Marieanne 
United States History
What were the views of the NORTHERN RADICALS concerning the following topics: slavery women's suffrage prohibition (temperance) free public education, help for handicapped right to education for women & african americans practice of religion Native
asked by joanne 
Chemistry
Q1. What will be formed when propanone reacted with sodium hydrogensulphite? There is white precipitate is the resulting solution . Is it sodium carbonate? Q2. What are the difference in the products bewteen the reaction of ethanal and propanone reacting
asked by david 
government
Why congress enabled to dominate the American government in the nineteenth century?
asked by may 
math
The length of a rectangular swimming pool is 15 feet longer than the width. If the perimeter is 82 feet, then what are the length and the width?
asked by heidi 
math
how many combinations can you get with 1 2 3 4 5?
asked by shirley 
Math 115
What units in the metric system would you use to measure each of the following quantities? (a) Distance from Los Angeles to New York (b) Your waist measurement (c) Width of a hair (d) Your height
asked by Debbie 
englishlearning styles
what is a danger of being field independent or field dependent and the reflection in classroom?positive and negative sides? thank you
asked by jilly