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s shew all your werk fer full sreslit Dates mperatures, nitrogen dioxide decomposes to nitrogen oxide and oxysen The reaction is second order in NO2 with a rate constant of 0.543 M-1-lat 300 C If the initial [NO2] is 0.44 M, a) what is the half-life for this reaction? b) how long will it take for the concentration to drop to 0.075 M? 2. A 25.0 mL sample of 0.100 M of a monoprotic acid is titrated with a 0.100 M NaOH solution. a) What is the pH at the half equivalence point? b) What is the pH at equivalence point? (Ka -4.50x 10-4)
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