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Chemistry, 21.06.2019 22:00
Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.
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Chemistry, 22.06.2019 22:30
What is the work done by the electric force to move a 1 c charge from a to b?
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What is the percent by mass of magnesium sulfate in mgso4.7h2o
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Chemistry, 23.06.2019 11:50
It takes 155. kj/mol to break a fluorine-fluorine single bond. calculate the maximum wavelength of light for which a flouine-flouring single bond could be broken by absorbing a single photon
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Acompound that is composed of only carbon and hydrogen contains 80.0% c and 20.0% h by mass. what is...
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