Sunday

March 29, 2015

March 29, 2015

Total # Posts: 39

**Chemistry (Aspirin Synthesis- Unreacted SA**

Thank you!
*March 23, 2015*

**Chemistry (Aspirin Synthesis- Unreacted SA**

To determine the yield of your ASA synthesis, you can quantify the amount of unreacted SA Weigh out 0.15 g of your crude ASA into a clean tared 7 mL vial. Record exact mass. 2) Add 5 mL ethanol. 3) Cap vial and mix well. 4) Transfer the above solution into a 50 mL volumetric ...
*March 23, 2015*

**Math**

0.8(4+-a)=5.6a how to check this so the answers both equal out?
*December 2, 2014*

**math help!**

Hi! How may you check 2+3w=12+2w to equal each other and check out equal
*December 2, 2014*

**math help!**

Hi! How may you check 2+3w=12+2w to equal each other and check out equal
*December 2, 2014*

**Algebra**

What is the probability of obtaining tails and a sis?
*November 30, 2014*

**Algebra**

In how many wYs can a chairperson and a vice chairperson be selected from a committee of 15 senators?
*November 23, 2014*

**Trig**

Verify and identify, I am so confused on how to do this? this is an extra credit but I am lost, please help. cot(Ý-ƒÎ/2)=-tan Ý
*October 22, 2014*

**Physics**

A Volkswagen runs straight off a cliff. The Volkswagen is traveling at a speed of 39.0 m/s when it leaves the road. If the cliff is 16.0 m high, how far horizontally does the car travel before it smashes into the ground below?
*October 1, 2014*

**teacher aide**

when are children first developmentally ready to begin learning science
*September 13, 2013*

**introduction to teacher aide**

which of the following might be a duty of a noninstructional aide
*September 11, 2013*

**Math**

input/output table: 4,1 8,2 32,8 128,? 512,?
*September 3, 2013*

**STATISTIC**

IT IS IMPOSSIBLE TO GET 7 KINGS WHEN SELECTIONG CARDS FROM A SHUFFLED DECK. EXPRESS THE INDICATED DEGREE OF LIKELIHOOD AS A PROBABILITY VALUE BETWEEN 0 AND 1 INCLUSIVE.
*June 1, 2013*

**Chemistry**

254 g of copper sulphate, CuSO4 is dissolved in water to produce 650 ml of solution. Determines the degree of concentration of the solution in mol / L.
*October 1, 2012*

**chem**

a student paid little attention to the size of his burner flame while heating a 0.979 gram sample of calcium oxalate monohydrate. The final mass of the cooled solid was 0.670 gram. Was the reaction product anhydrous calcium oxalate?
*September 19, 2012*

**human development**

what are the goals of psychometric testing are:
*July 9, 2012*

**English**

17. Which sentence contains a verb in the simple past tense? A. She has obeyed her father. B. She obeyed her father. C. She obeys her father. D. She had obeyed her father.
*March 7, 2012*

**Chemistry Problem - hard :<**

Man in the vat problem. Long ago, a workman at a dye factory fell into a vat containing a hot concentrated mixture of sulfuric and nitric acids. He dissolved completely! Because nobody witnessed the accident, it was necessary to prove that he fell in so that the man’s ...
*January 16, 2012*

**Coding and Billing in the medical field**

379.92, 202.81, 16.23
*December 14, 2011*

**Penn Foster**

please help me with #02603800 &02604000 i dont have a job.Thanks.
*June 22, 2011*

**n number 02603401**

dr stanely coopersmith sense of self
*June 20, 2011*

**eth125**

what are some changes the uniteds states has made to policies concerning the treatment of muslim and arabic membersof society?
*January 9, 2011*

**Math**

How do you write four hundred eighty five in base ten?
*March 14, 2010*

**7th grade**

what do geographers want to know about peoples movement?
*September 19, 2009*

**Math**

yes i meant (2x+1)/5 and therefore that is h ow i got -3/5, finding it hard to follow Marth's working now since it is a completely different set of working.
*July 1, 2009*

**math (reiny) got an ans but would like work it pl**

Given that g(x)= 2x+1/5 and f(x)=x+4 Calculate the value of g(-2) 2(-2)+1/5= -3/5 Is this right?? How do i write an expression for gf(x) in the simpliest form?? And how do i find inverse functions such as g`1(x)?
*July 1, 2009*

**math**

Given that g(x)= 2x+1/5 and f(x)=x+4 Calculate the value of g(-2) 2(-2)+1/5= -3/5 Is this right?? How do i write an expression for gf(x) in the simpliest form?? And how do i find inverse functions such as g`1(x)?
*June 30, 2009*

**pre cal**

Q1: Find the length and midpoint of segment PQ given P(3,2) and Q(-1,4) Q2: The midpoint of AB is M(1/2 , 6). Given A(3,7), find the coordinates of B.
*May 14, 2009*

**pre calculus**

Q1: Find the length and midpoint of segment PQ given P(3,2) and Q(-1,4) Q2: The midpoint of AB is M(1/2 , 6). Given A(3,7), find the coordinates of B.
*May 14, 2009*

**pre calculus**

Question 1: Explain why the equation of the line y=5 has a slope that is undefined. Explain in words or mathematically. Question 2: Given any circle, the coordinates of one endpoint of a diameter is (3,-2). If the coordinates of the center are (2,-4), find the coordinates for ...
*May 14, 2009*

**pre-calculus**

How do you write the standard form of the equation of the line passing through the points M(-4,-2) and N(4,7)? How do you find the slope-intercept form of the equation of the line passing through the points P(2,-9) and Q(3,-7)?
*May 13, 2009*

**pre-calculus**

How do you write the standard form of the equation of the line passing through the points M(-4,-2) and N(4,7)? How do you find the slope-intercept form of the equation of the line passing through the points P(2,-9) and Q(3,-7)?
*May 13, 2009*

**Geometry**

V = (x^2 + 5x + 6)(x + 5) = (x + 2)(x + 3)(x + 5)
*September 10, 2007*

**Resume Help**

I created my resume, however my profile paragraph seems a little too wordy any ideas or thoughts on how I can change/improve it? PROFILE: Seeking an intern or entry position in Project Management where I can develop and excel while giving my best to an employer. Although I ...
*September 10, 2007*

**chemistry**

Mud or muddy water, is where soil, clay, or silt particles are suspended in water. Flour suspended in water, as pictured to the right. Paint Chalk powder suspended in water. Dust particles suspended in air. Found on Wikipedia under Suspension (chemistry)
*September 10, 2007*

**Business Law**

Petition In March 1988, Daniel E. Beren, John M. Elliot, and Edward, F. Mannino formed Walnut Street Four, a general partnership, to purchase and renovate an office building in Harrisburg, Pennsylvania. They borrowed more than $200,000 from Hamilton Bank to purchase the ...
*August 17, 2007*

**Business Law**

Finders Weepers, Losers Keepers The News Journal, July 20, 2000. In 1943, During World War II, a Navy TBD-1 Devastator crashed eight miles of the coast of Florida. The entire crew survived and there is no indication that any efforts were made to locate the plane by the Navy. ...
*August 16, 2007*

**Project Management**

Are there any helpful techniques that I can use to write an effective project report? Website links could be helpful as well. These sites have complete information about writing project reports. (Broken Link Removed) http://users.iems.northwestern.edu/~hazen/Writing%20Project%...
*August 14, 2007*

**Business Law**

Uniform Law for Computer Info Transactions is Offered National Law Journal, August 30, 1999. After more than 10 years of proposals, revisions and re-revisions, the National Conference of Commissioners on Uniform State Laws (NCCUSL) at long last voted to adopt the Uniform ...
*August 10, 2007*

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