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solve the following equation for x remember to balance the equation xe 2f2 -gt x in the above question we see the
a flask containing a mixture of nh3g and ch4g is cooled at -333 degrees celcius a liquid begins to form in the flask
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a geological sample is found to have a pb-206u-238 mass ratio of 0337100 assuming there was no pb-206 present when the
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a certain molecule fluoresces at a wavelength of 400 nm with a half-life of 10 ns it phosphoresces at 500 nm if the
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gives what happens at neutral ph for aluminum hydroxide a al dissolves b alh2o63 dissolves c aloh3 precipitates d
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a result of the common-ion effect is a that some ions such as na aq do not participate in solubility equilibria b that
current annual energy consumption in the united states is 993 quads assume that all this energy is to be generated by
consider the standard cell at 25 degrees celsius based on the following half reactions pb2 2e- gt pb eofcell -013v
6nan3fe2o3-----gt3na2o2fe9n2 a what is the number of moles of iron produced if only 4 moles of nan3 are consumed
a 253g of solid naoh is dissolved in 100g of water in a coffee cup calorimeter all the reagents initially being at 20