Wednesday
December 7, 2016

Posts by bebe

Total # Posts: 45

Chemistry
Explain the role ch3co2na in the preparation of fe(c5h7o2)3
October 21, 2015

Chemistry
Explain the role of CH3CO2Na n the preparation of Fe(C5H7O2)3)3
October 21, 2015

Chemistry
Explain why you are instructed to wash the collected crystals with distilled water instead of a water-methanol mixture.
October 21, 2015

math
Julius has a garden that has dimensions of 12 ft by 20 ft. Julius needs more room to plant some peppers, and determines the garden will need a new area of 360 square feet. How much should he increase the length and width by, if
May 13, 2015

english
last summer
October 18, 2014

Algebra
(-9)-((3)-(-9)-7
May 30, 2014

Algebra
(-5)x(-8)-6x6
May 30, 2014

chemistry
How much energy is required to raise the temperature of 3 kg of lead from 15C to 20C? Use the table below and this equation: Q = mcT.
October 9, 2012

math
A model of a boat is 1 3/8 feet long. How long is the model of ship that is that is three times as long, if the models are made to the same scale? Make a drawing to help you solve the problem, and then calculate the answer.
September 10, 2012

math
Wendy found a rule for a table. The rule she made is y = x + 2.She says that means every y-value will be even.Is she correct?
April 11, 2012

math
Sal made a map of his neighborhood.According to his map,Sal's house is 6 units away from the grocery store. The grocery store is 5 units away from the coffee shop.The coffee shop is 1 unit from Sal's house.How is this possible?
April 5, 2012

math
on a map, John is standing at (11,11). His friend Lucy is standing at (1,11).John took 10 steps to the right. Is he standing with Lucy now?
April 4, 2012

math
Doug is standing at (2,1).Susan is standing (1,2).Who is farther to the right? How do you know?
April 2, 2012

math
describe the interval you would use for a bar graph if the data ranges from 12 to 39 units
March 13, 2012

math
william wants to known how many kilograms a 1000 gram cantaloupe weighs he converts the measurement and says the melon 1,000,000 kilograms what did he do wrong
March 1, 2012

math
Mary said that the best unit of measure to weigh her cat was ounces.Is she correct? Explain.
February 29, 2012

math
Nathan owes Michael \$5.00.Nate expressed how much he owes as an integer.Michael expressed how much Nate owes him as an integer.What do the two integers have in common?
February 22, 2012

math
Alexandra has 18 yo-yos.She spent \$9.00 to buy them all.She wrote the equation 18 divided by 9 = y to find how many yo-yos she got for each dollar she spent.Sven has 9 yo-yos.He spent \$18.00 to buy them all.He wrote the equation 18 divided by 9 = y.What does Sven's ...
February 16, 2012

math
explain how you can use a grid to subtract 1.65 - 0.98
February 7, 2012

math
draw a number line and label at least 5 points as fractions and decimals.explain your answer
February 2, 2012

math
glenda wrote 1/7 of her paper on Monday,1/14 of her paper on tuesday,and 2/28 of her paper on wednesday.she said she wrote more than half of her paper,is she correct?why or why not?
January 18, 2012

math
in what way is subtracting fractions with unlike denominators like adding fractions with unlike denominators?
January 17, 2012

math
In missy's sports-cards collection, 5/7 of the cards are baseball. In frank's collection, 12/36 are baseball.Frank says they have the same fraction of baseball cards.Is he correct?
December 20, 2011

math
explain why 1/2 of 12 horizontal squares of Region A is not larger tha n 1/2 of 12 vertical squares Region B.
December 14, 2011

Chemistry
Fluorine-18, which has 1/2 life of 110 minutes, is used in PET scans. If 100 mg of fluorine-18 is shipped @8AM, how many milligrams of the radioisotope are still active if the sample arrives at the lab at 1:30 pm?
January 19, 2011

physics
a 65kg student holding a 5 kg ball is at rest on ice. if the student throws the ball at 3m/s to the left, what is her velocity after throwing the ball
January 13, 2011

physics
a 65kg student holding a 5 kg ball is at rest on ice. if the student throws the ball at 3m/s to the left, what is her velocity after throwing the ball
January 13, 2011

math
Week 4: Exercises from E-Text 12. Individual Assignment: Exercises From the E-Text Due 7/12/10 • Resource: Applied Statistics in Business and Economics • Prepare answers to the following exercises from the Applied Statistics in Business and Economics e-text: o ...
July 12, 2010

math
A plumbing supplier’s mean monthly demand for vinyl washers is 24,212 with a standard deviation of 6,053. The mean monthly demand for steam boilers is 6.8 with a standard deviation of 1.7. Compare the dispersion of these distributions. Which demand pattern has more ...
July 12, 2010

science
What are the challenges of managing your chosen terrestrial resource issue? What human activities contribute to the problem?
August 10, 2009

need help
The nature of carbon dioxide in the atmosphere is different,though. Global warming is a Global problem and is not specific to one area. Does thgis make carbon offsets a better idea than mitigation?
August 2, 2009

science
heyyy. i need the answer for ths question tooo...
May 27, 2009

science
determine wheter each of the following reactions occur. 2Ni(s) + MgSO4(aq)---> if it doesnt occur explain why
April 16, 2009

bio
there it is in case anyone else needs it.. =]]
January 8, 2009

bio
Because the ions are charged, indicating high polarity, which lipids do not possess; they're hydrophobic, and therefore ions cannot pass through the lipid bilayer since lipids are highly unpolar, unless through an ion channel, which has a higher polarity
January 8, 2009

bio
haha got it
January 8, 2009

math
solve the equation (x-5)^2=10
January 1, 2009

math
what happens when the king of beasts runs in front of a train?
December 7, 2008

genetics/biology
Bacteria Y has a mutation within it’s genome, at gene R, that provides resistance to neomycin. Bacteria Z is sensitive to neomycin, however, when Bacteria Y is placed in a mixture with Bacteria Z, Bacteria Z also gains neomycin resistance. One cell of Bacterium Y ...
November 7, 2008

genetics/biology
Bacteria Y has a mutation within it’s genome, at gene R, that provides resistance to neomycin. Bacteria Z is sensitive to neomycin, however, when Bacteria Y is placed in a mixture with Bacteria Z, Bacteria Z also gains neomycin resistance. One cell of Bacterium Y ...
November 7, 2008

Ethnic Diversity
Thank you all your ur helpppp
September 2, 2008

social science
How does the government intervene to control environmental pollution? externalities or rivalry consumption
March 27, 2008

physics
A light, rigid rod 1.039m in length joins two particles with masses 3.65kg and 4.94kg at its ends. The combination rotates in the xy plane about a pivot through the centre of the rod. Determine the angular momentum of the system about the origin when the speed of each particle...
May 23, 2007

can you tell me the answer to this riddle
what happens when the king of beasts runs in front of a train?
December 24, 2006

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