# AP Chemistry

Write the expression of for the base dissociation constant for hydrazine, N2H4, a weak base. Hydrazine reacts with water to form the N2H5+ ion.

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1. N2H4 + HOH ==>N2H5+ + OH^-

Kb = (N2H5^+)(OH^-)/(N2H4)

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2. Kb=[OH^-]^2/[N2H4]

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