Tuesday
September 30, 2014

Posts by Tran


Total # Posts: 13

trig
Sin < 0-----> quadrant 3 and 4 Sec > 0 ---- quadrant 1 and 4 sec = 1/cos Answer is quadrant 4
June 12, 2013

math
the bridge was built, the wood contained 15 grams of carbon-14. How much carbon- 14 would it have contained when it was found by the archaeologists? Round to the nearest hundredth
January 28, 2013

Math
writing to explain if you star with an unbalanced scale and add the same amount to each side, what happens to scale ?
September 24, 2012

Economics
Which of the following is least likely to affect an economy's capacity to produce? A.Technology B. Capital C. Labor D. Education E. Government spending I know technology and capital both have a significant affect on the economy's economy so I can cross those off. But ...
April 25, 2010

chemistry
describe global warming
October 4, 2009

chelmistry
describe the global warming problem. what are the primary gases involved in the green house effect/global warming. how are the gases generated
October 4, 2009

chemistry
why does warer boil at a higher temp then nh3 when they are both dipole dipole?
September 21, 2009

chemistry
what is difference between h2o and h2s. the only thing i can say about this is that water is a polar bond becaue the bonds cant cancel out.
September 21, 2009

chemistry
what do you mean its not symmertrical in space>
September 21, 2009

chemistry
what is the difference between polar bonds and polar molecules. i know a polar bond is a bond between two dipoles? what are polar molecules? wouldnt it be the same?
September 21, 2009

Chemistry
Thanks for the fast reply!
July 16, 2008

Chemistry
Heres the question: "In determining the simplest formula of lead sulfide, 2.46 grams of lead are placed in a crucible with 2.00 grams of sulfur. When the reaction is complete, the product has a mass of 3.22 grams. What mass of sulfur should be used to in the simplest ...
July 16, 2008

electricity
which of the following frenquencies falls in the range of RF waves used by commercial radio broadcasting stations
January 31, 2008

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