Posts by QUESTION

Total # Posts: 111

math
5--4 x B can have no carryover to 4 x 2 so B must be 1 as A is already 2. why can't B be 0 at step 5? At this point, B can be 0,1,2, and you can eliminate 2 per your reason, but you can't eliminate 0 yet--which makes the rest of your steps invalid.

question
what is garbologist. What they do. A garbologist is a scientist who studies garbage to learn about societies and cultures. Check this site for more information. http://environmentalchemistry.com/yogi/environmental/wastehistory.html

science
what is a reproductive cell? http://www.google.com/search?as_q=reproductive+cell&hl=en&num=10&btnG=Google+Search&as_epq=&as_oq=&as_eq=&lr=&as_ft=i&as_filetype=&as_qdr=all&as_nlo=&as_nhi=&as_occt=title&as_dt=i&as_sitesearch=&as_rights=&safe=active

Chemistry
What is the molarity of a phosphoric acid solution if 32.3 mL of the phosphoric acid solution is titrated to the final equivalence point with 20.6 mL of 0.581 M sodium hydroxide acid solution? H3PO4 + 3NaOH ==> Na3PO4 + 3H2O mols NaOH = 0.0206L*0.581 M= ?? mols H3PO4 = 1/3...

Biology
What structures make up the fibers of the mitotic spindle? Since this is not my area of expertise, I searched Google under the key words "mitotic spindle fiber structure" to get these possible sources: http://www.springerlink.com/content/n1545188147w90l7/ http://...

Social Studies
Discuss the validity of the following quotation: "The British imperial economic system, including mercantilism, exploited the American colonists and offered them few benefits. As such it represented a valid reason for revolution." http://www.google.com/search?q=...

Chemistry
During reaction mechanism... A. catalyst does not change the reaction mechanism. B. catalyst changes the reaction mechanism. C. catalyst always makes a reaction mechanim more complicated. Catalysts lower the activation energy and provide alternative pathways to increase the ...

Chemistry
During rate of reverse step... A. A catalyst decreases the reverse rate of reaction. B. A catalyst does not change the reverse rate of reaction. C. A catalyst increases the reverse rate of reaction. A catalyst hastens the time for equilibrium to be attained. A A

Chemistry
During activation energy... A. A catalyst lowers the activation energy by changing the reaction mechanism. B. A catalyst does not change the activation energy. C. A catalyst lowers the activation energy by changing the rate. D. A catalyst raises the activation energy by ...

Biology
why does proline stain yellow in ninhydrin?

Biology
How many types of amino acids are there in milk? I believe there are either 8 or 9, all of which are essential to humans because humans cannot create these proteins.

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