In determining the bod of a water sample it was found that
In determining the BOD of a water sample it was found that the DO level was 9.3ppm before incubation and 6.7ppm after five days of incubation. Explain what is the BOD of this sample?
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state 560ml of a 120 m solution is diluted to a volume of 248ml a 124-ml portion of that solution is diluted using
compute the energy released when 289 gram piece of copper is cooled from its melting point of 1083 degree c the
explain what is the fraction of association alpha for the subsequent potassium propionate solutions ignore activities
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in determining the bod of a water sample it was found that the do level was 93ppm before incubation and 67ppm after
sni4 is soluble in acetone explain what does this tell you about the ionic nature of this compound is the charge on the
if 113 x 104j of heat is added to a water sample as well as the temperature rises from 880c to its boiling point what
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