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Cuo h c. Cu20 h2. N2+h2 ОВР. Химия nh3+o2 n2+h2o. Nh3 o2 горение.
Cu20 h2. N2+h2 ОВР. Химия nh3+o2 n2+h2o. Nh3 o2 горение.

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