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Express the following number in scientific notation. 0.026890 =
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Calculate the ph at the equivalence point for the titration of a solution containing 150.0 mg of ethylamine (c2h5nh2) with 0.1000 m hcl solution. the volume of the solution at the equivalence point is 250.0 ml. kb forethylamine is 4.7 Γ 10β4 .
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What volume does 1.70 Γ10β3 mol of chlorine gas occupy if its temperature is 20.2 Β°c and its pressure is 795 mm hg?
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Define the term homeostasis...
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