Questions Asked on
November 26, 2008

History
Who is the best president in your life time? I am going back to high school, so tell me what you think about my answer. Well I think the best President was George Washington for his leadership throughout the Revolutionary War. But since I was not alive
asked by Tessa 
Biochemistry
Is there a reaction between Na2SO4 with Ch2Cl2? We did a caffeine extraction from tea bags and we are asked why the Na2So4 was added (to remove water I learned) and if a reaction took place. Can someone help? Thanks!
asked by Scott 
Organic Chemistry
How would you expect the following series of compounds to compare in behavior for SN1 vs SN2? CH3CH=CHCH2Br CH3CH2CH2Br CH3C(Br)=CHCH3 on the last one, Br is a substituent of the C and that C is double bonded to CHCH3 Please help! Even if someone could
asked by Marissa 
chem
i am having trouble with the following question.... How would you expect the following series of compounds to compare in behavior in the two tests(Sn1 vs. Sn2): 1) CH3=CHCH2BR) 2) CH3C=CHCH3 ! Br 3) CH3CH2CH2Br
asked by tina 
calculus
Suppose the following about a certain object: I. The object's altitude is a function of time, represented by the function A(x) where here x is time. II. The temperature of the object is a function of its velocity, represented by the function T(x), where
asked by matt 
Chemistry
What is the importance of maintaining an isolated system in calorimetry experiments? I know the basic parts  calorimetry is the experimental process of measuring changes in a chemical system & an isolated system is one where neither matter nor energy can
asked by Lucy X 
History
what was the condition of egypt before imperialism, during imperialism, after imperialism, and today?
asked by Ann 
critical thinking
Consider the following: You have learned to think and write critically, assess argument credibility, recognize rhetorical devices, categorize fallacies, analyze arguments, and assess argument validity. In this critical thinking quiz, you have the
asked by sugar 
FRENCH
On a French site I saw the sentence: "elles nous ont écoutées" but I thought that when "avoir" is the auxiliary verb there is no adjustment for gender. Should it not have been: "elles nous ont écouté"?? Merci en avance!
asked by E.G. 
English
1. It has been raining since this this morning. 2. It has rained since this morning. (What is the difference between them?) 3. Tom has known the boy for two years. 4. Tom has been knowing the boy for two years. (Are both acceptable? What about #4?) 5. He
asked by John 
CELL biology
what would happen if the cell plasma membrane was hydrophilic? how would this affect molecular movement??
asked by kimora 
math need help please
50% of what number is 30
asked by LaNasha 
history
who are the most recent appointees of the supreme court, when and by whom? i think it's Samuel A. Alito2006 by president George W. Bush and Chief Justice John G.Roberts 2005 by President George W. Bush. Am I correct? Can somebody help me please? Thank
asked by jess 
chemistry
I was doing a spectroscopy problem, and on the NMR spectrum a peak at around 4.4 with 2 H says "exchanges with D2O". What does this suggest?
asked by lindsay 
Craig  baloon  calculus moved up
Posted by Craig on Tuesday, November 25, 2008 at 7:54pm. t: 0 2 5 7 11 12 r'(t): 5.7 4.0 2.0 1.2 0.6 0.5 The volume of a spherical hot air balloon expands as the air inside the balloon is heated. The radius of the balloon in feet is modeled by a
asked by Damon 
health
Do you think that any of the basic principles of disease occurrence are interrelated?
asked by april 
Physics
I am finding the value of the time constant in a circuit from the graph and by the CR equation. When using the graph I am getting t= 50s and when using the equation t=CR the answer is 2.09. Can someone help me please?
asked by Claire 
Economyst
Posted by economyst on Wednesday, November 26, 2008 at 8:46am in response to Economics. Do a little research, then take a shot. What do you think? My thinking is 40% CR, and smaller frims would thrive, due to less overhead. What is you take ? What is the
asked by Mike Green 
General ChemistryAcids/Bases
I'm stuck on a couple of similar problems involving pH and acids/bases 1) What is the final pH of a 1L solution that is initially .15 M HF and .2 M NaF after 10 mL of .02 M HCl has been added? Ka=7.2x10^4 Do i just calculate the total mols of H and divide
asked by Evelyn 
us history
Who warned the colonists of the British advance toward Concord?
asked by gary 
health
i am supposed to pretend that my dad is an alcohol addicted and i need to write him a letter saying how his drinking has an impact with our (my family's) life. it must be 250 words long. i have started to write but i don't know what more to write....please
asked by monica 
Math
Find the perimeter of each figure. (The curves are semicircles.) Round answers to one decimal place.10 in.
asked by A.W. 
Math
74. Four brands of soap are available in a local store. Compute the unit price and decide which brand is the best buy. Brand Ounces Total Price Unit Price Squeaky Clean 5.5 $0.36 Smell Fresh 7.5 0.41 Feel Nice 4.5 0.31 Look Bright 6.5 0.44
asked by A.W. 
grammar
CheckPoint: Comprehensive Grammar CheckPoint • Resources: Appendix F; A Pocket Style Manual; designated Exercise Central practice exercises on grammar, punctuation, mechanics, and writing; and the Comprehensive Grammar CheckPoint exercises • Due Date:
asked by Anonymous 
linear programming problem
P=30x+25y Subject to 2x+3y>=30 2x+y
asked by Anonymous 
Math
What is the Prime Factorization of the Denominator if it is 1/2?
asked by A.W. 
math
How is the circumference of a circle with radius 9cm related to the circumference of a circle with diameter 9cm? i don't understand this.Help?? Thanks:)
asked by jamie 
AED
I know I posted this but AI wanted to pose what i have so far and need more info. I have this so far: The handson learning in a science classroom when few resources are provided by the school can be the discovery bottles that the teacher can make, sensory
asked by troyer0269 
MAT 115
Evaluate 525
asked by eloise 
precalculus
Solve sin theta=1 for all real values of theta. Is it theta=3pi/2 +2pi n for n=0+ infinity?
asked by Mary 
math need help please
What percent of 140 is 21
asked by LaNasha 
speech
how character makes personality
asked by Nabeel 
French for Amanda
Knowing that you and Hélène love poetry (and I do too!) here are some sites you might like: 1. (you can hear poetry sung or read by poets!): http://www.poesie.net/index.php (upperrighthand look for "écouter." 2. (one of my favorite poems & poet; you
asked by SraJMcGin 
math
how would you determine the domain and range of y=2(x+1)^23 without graphing
asked by Jame 
college algebra
Describe two laws of exponents and provide an example illustrating each law. Explain how to simplify your expression. How do the laws work with rational exponents? Provide the class with a third expression to simplify that includes rational (fractional)
asked by kacie 
Math
State a general rule describing which fractions have decimal forms that terminate and which have decimal forms that repeat.
asked by A.W. 
math
what do you mean age problem?
asked by garnet 
college
one piece of the pie has the same shape as would be formed by the hands of a clock when is exactly three o'clock this piece would represent % of the whole pie?
asked by susie 
health
This is not homework but something I would liek to know for myslef will asthma become COPD and last the rest of your life?
asked by lois 
Math
Business and finance. In a bottling company, a machine can fill a 2liter (L) bottle in 0.5 second (s) and move the next bottle into place in 0.1 s. How many 2L bottles can be filled by the machine in 2 h?
asked by A.W. 
disease
Are there any measures for disease prevention which were used in early times that should be used today
asked by april 
10th grade
whats the formula for the area of a circle?
asked by mattb 
Spanish
For a presentation, I am trying to say "These works of art are no longer made." I'm having trouble figuring out what verb tense I should use, though. So far I have: "Estas obras ya no..." but I don't know how to finish the sentence. Son hecho? Fueron
asked by Kelly 
math
lula wants to round 76.24491 to the nearest hundreth. how do you do it?
asked by dave 
Math
34. Arrange in order from smallest to largest. 2.05,25/10 , 2.0513, 2.059,251/100 , 2.0515, 2.052, 2.051. I do not understand how to do this, please help me.
asked by A.W. 
Math
34. Arrange in order from smallest to largest. 2.05,25/10 , 2.0513, 2.059,251/100 , 2.0515, 2.052, 2.051. I do not understand how to do this, please help me.
asked by A.W. 
Niagara Falls
Well, I'm doing a project that I picked in science and one of the questions said "What are the physical features of Niagara Falls" and I don't know what that means, so please help me!!!
asked by Jane 
Math
30. Crafts. A circular coffee table has a diameter of 5 ft. What will it cost to have the top refinished if the company charges $3 per square foot for the refinishing?
asked by A.W. 
Math
38. Construction. An Aframe cabin has a triangular front with a base of 30 ft and a height of 20 ft. If the front is to be glass that costs $3 per square foot, what will the glass cost?
asked by A.W. 
Math
44. The distance from Philadelphia to Sea Isle City is 100 mi. A car was driven this distance using tires with a radius of 14 in. How many revolutions of each tire occurred on the trip?
asked by A.W. 
french
Bonjour Madame, I am back with more English Hi everyone, How are things back in BC? I am doing great in Quebec I saw the Cirque Du Soleil it was amazing, I was in Montreal on the day of the Cirque Du Soleil the town is quite historic some buildings are
asked by Daniel 
english
how could you translate/explain why oyu like the quote "I haven't failed, I have found 10,000 ways that don't work".
asked by martha 
Algebra
a student opens a book to two facing pages the product of the page numbers is 812, find the page numbers.
asked by Kendra 
12th grade Biology
Q. decribe how it is metabolized and how many ATP are produced from each: a)fructose b)sucrose c)palmitic acid d)glycerol e)alanine f)glutamic acid g)aspartic acid i know that fructose produce 48 atps, sucrode produce 76 atps, palmitic acid produce 96atps
asked by Ring 
Literature
Can anyone tell me where I can find information about the white knight from King Arthur? Thanks
asked by Anonymous