Wednesday
December 7, 2016

# Posts by Serena

Total # Posts: 255

Biology
4.0 g of ferrous ammmonium sulphate, FeSO4(NH4)2SO4 6H2O, is used. Since the oxalate is in excess, calculate the theoretical yield of the iron complex. Please help with this question. Thank you.
November 16, 2010

English
Hi I am doing an article on why I think humans should not eat meat from the perspective of a parent with a child. I need three solid arguments for this; please help.
November 15, 2010

Media
Hi, I am doing an paper on editors and their roles in broadcast. I wanted to get some ideas about how editors choose their lead story and why they are led to choose that story. Any ideas? thanks
November 8, 2010

math
input ouput 2 8 7 3 5 5 0 0
October 14, 2010

Math
Convert from base 10 to the indicated base. 2500 to base 14 I got CA8 to the base of 14. Is that correct?
September 22, 2010

math
a pari of shoes is on sale for 10% off the original price. If the sale price is \$14.40, what was the original price of the item?
August 9, 2010

rosa wants to buy a computer desk that originally cost \$650. It has been marked down to a new price of \$520. What is the percent off?
August 9, 2010

science
a 1200W machine operates at 120V. what is the resistance of the machine?
May 27, 2010

stock market
If i invested 10,000 on 50 stocks that were 210.93 each, then the price of each went up to 217.00 each. How much did I earn?
May 12, 2010

plants
there are mechanisms that prevent pollination of one plant species by pollen from another. this would prevent a) the formation of hybrids between the pollen donor and the pollen receptor b) a waste of pollen c) pollen from attempting to develop on the stigma of an incorrect ...
April 24, 2010

science
what is the thing a candle holds?
April 9, 2010

chemistry
3.78kg Cu x (1000g/1kg) x (1 mol/63.546g) = 59.5 mol Cu 59.5 mol Cu x (13.05kJ/1mol) = 776 kJ evolved
February 15, 2010

English
Why does Gene not have an interest in Brinker in the book A Seperate Peace?
February 5, 2010

CMC220
I was asking for someone to do the homework. Only asking for some good resources to assist with additional references for the assignment. I have about 600 words out of 750-1050 complete.The text book does not provide enough to complete the assignment without be repetitive. ...
November 8, 2009

CMC220
how each new medium affected news content and delivery, including how people engaged with news and how the media that preceded it adapted their content and delivery. Be sure to discuss newspapers, magazines, radio, TV, and satellite and Internet services.
November 8, 2009

acc250
Has anyone done the Sahron Clark, accouting in Peachtree? Just wondering how to enter the supplies on hand, to the adjusted trial balance. confused about this.
September 23, 2009

algebra
8x^3+27=0 8x^3=-27 x^3=-(27/8) x=-3/2 proof 8(-3/2)^3=27=0 8(-27/8)+27=0 -27+27=0 0=0
September 19, 2009

biology
How did the primordial atmosphere, photosynthesis, oxygen, the ozone layer, and the endosymbiotic theory influence the origin of living organisms?
September 2, 2009

Mathematics
A map drawn to scale of 1:50 000 with the actual distance between two points is 4.5km.Calculate the number of centimetres that should be used to represent this distance on the map.
June 15, 2009

One tap can fill a barrel in 3 minutes and another can fill it in 6 minutes. Both taps are turned on together for 1 minute. What fravction of the barrel will be filled in 1 minute?
April 26, 2009

social studies
I come at the beginning of time, I come at the end of time, I come twice a week and once per year. What am I?
April 17, 2009

english
I need a 75-150 word response detailing what you have learned so far in the course.
December 13, 2008

Math
f(x) = 2x+4 and g(x)= x2-1 find (f * g)(4) find (g * f)(x) find f^(-1)(x)
November 23, 2008

that right there is the question
November 23, 2008

WAIT WHAT!!
October 2, 2008

Insert parentheses to make this sentence true. 3*8+6 squared -8/2=26. My teacher told me I think that the parentheses go around the 3 and last 8. Is that true. How did you do that?
October 2, 2008

math
What does this have to do with preschool and what is your question?
September 27, 2008

HR
Thanks. Do you have any specific examples of areas in the world that have this challenge?
September 17, 2008

HR
What human resource challenges might a Canadian company face when operating globally? Give examples of two areas in the world and respond. Any suggestions?
September 17, 2008

Calculus
Approximate the area under the curve on the given interval using n rectangles and the evaluation rules (a)left endpoint, (b) midpoint and (c) right endpoint. y=(x+2)^(1/2) on [1,4], n=16 How am I suppose to do this?
July 26, 2008

Is there any flowers that rhymes with journal??????
May 23, 2008

Thanks if anybody can help me!! I need some words that rhymes with journal. Thanks!!!!!!!!!!!1
May 23, 2008

May 8, 2008

LCD
Is 6/28 the lowest common denominator or 3/7
March 23, 2008

For the color codes evil represents red so what color represents happy?
March 16, 2008

Science
I am looking for ideas for 3rd grade recycleable inventions.
March 16, 2008

physics
Q=Area/Thickness*Heatconductivity*deltaTemp How you get this equation? and how you use the styrofoam=.03 J/s*m*C?
February 12, 2008

physics
At a picnic, a Styrofoam cup contains lemonade and ice at 0 degree C. The thickness of the cup is 2.0*10^-3m, and the area is 0.016m^2. The temperature at the outside surface of the cup is 35 degree C. The latent heat of fusion for ice is 3.35*10^5 J/kg. What mass of ice melts...
February 12, 2008

How to solve this problem. 3X-Y=12
January 24, 2008

Math
OK I need so much help: i can't figure out this problem, and if i don't get it right i get an f on the assignmrnt: ok here is the problem: 5/6n+4= 5 7/8 HELP
December 13, 2007

Social Studies
4. ______Blank is one of the world's oldest civilation and Busch Garden's newest area. Answer: Egypt
December 4, 2007

So do you mean to say....Ferris wheels use motors, therefore meaning that electrical energy is present. Electrical energy from the motor is then turned into kinetic energy. Electricity, generated from a switch and wires, travel through the motor which makes a magnetic field. ...
October 29, 2007

physics
Parabolic...a projectile makes parabolic motion.
October 29, 2007

Physics Stuff
Hi, everyone who is going to read this, thank you for trying to help me, this really means a lot to me, you are saving my behind! Ok, so here it goes: I was wondering if this information is correct; please tell me if it is not A Ferris wheel is a vertical wheel...it undergoes ...
October 28, 2007

biology
Will macromolecule work?
October 28, 2007

biology
Posted above
October 28, 2007

Physics and Dr. Bob
Thanks, could you possibly ask someone with more physics knowledge to take a look at my posts, that would be awesome! Thanks very much, I am scanning that site right now!! S.
October 28, 2007

Physics and Dr. Bob
Not be to a nag, I was just wondering (in addition the energy section from my previous post)...in the wheel the electrical energy is present due to the motor. THis is then turned into kinetic energy, from the magnetic field that is created due to the copper coils surrounding ...
October 28, 2007

Physics problems
October 28, 2007

Physics problems
Hi, everyone who is going to read this, thank you for trying to help me, this really means a lot to me, you are saving my behind! Ok, so here it goes: I was wondering if this information is correct; please tell me if it is not A Ferris wheel is a vertical wheel...it undergoes ...
October 28, 2007

What's another word for power-hungry?
Greedy, corrupted, conceited (spelling)
October 28, 2007

social studies
What are the mummy-shaped figures that worked in the afterlife's fields for the mummy
October 23, 2007

Math(Geometry)
number seven is the first letter of a number starting with one then continuing. number eight is the first letter of months starting with january then continuing.
August 22, 2007

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