1) N2+3H2----2NH3; 2) 3NH3+H3PO4----(NH4)3PO4; 3) (NH4)3PO4+3AgNO3------3NH4NO3+Ag3PO4; 4)5Fe2O3+2NH3-----10FeO+2NO+3H2O (15=15-кислород); 5) t (NH4)2SO3-----2NH3+H2SO3.
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1) N2+3H2----2NH3; 2) 3NH3+H3PO4----(NH4)3PO4; 3) (NH4)3PO4+3AgNO3------3NH4NO3+Ag3PO4; 4)5Fe2O3+2NH3-----10FeO+2NO+3H2O (15=15-кислород); 5) t (NH4)2SO3-----2NH3+H2SO3.
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