Balance the equation:
(nh4)2cr2o7 -> cr2o3+h2o+n2
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(NH 4) 2Cr 2O 7 is a reducing agent, (NH 4) 2Cr 2O 7 is an oxidizing agent. This is a precipitation reaction: Cr 2O 3 is the formed precipitate.
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1(NH4)2Cr2O7 → H2O + N2 + Cr2O32O2 + Mg + (NH4)2Cr2O7 → H2O + N2 + MgO + Cr2O3
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