ammonia is a common constituent of many natural waters and wastewaters. when water containing ammonia is...

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Chemistry

ammonia is a common constituent of many natural waters andwastewaters. when water containing ammonia is treated at a watertreatment plant, the ammonia reacts with the disinfectanthypochlorous acid (HOCl) in solution to form monochloroamine(NH2Cl) as follows:
NH3 + HOCl > NH2Cl + H2O
The rate law for this reaction is:
d[NH3]/dt = -k[HOCl][NH3]
a) what is the reaction order with respect to NH3?
b) What order is this reactionoverall?
c) If the HOCl concentration isheld constant and equals10^-4 M, and the rate constant equals 5.1 x10^6 L/moles-s, calculate the time required to reduce theconcentration of NH3 to one half its original value.

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4.1 Ratings (530 Votes)

a The given rate law for the reaction is dNH3dt kHOClxNH3 The power of the concentration of NH3 NH3 in the above rate law expression is 1 Hence the reaction order with respect to NH3 is 1 b In the See Answer

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