December 2021 1 7 Report

Уравнению экзотермической реакции соответствует запись

    1) 

CO2 + Na2O → Na2CO3 +Q

    2) 

Al(OН)3 → Al2O3 + H2O - Q

    3) 

2NH3 → N2 + 3H2 - Q

    4) 

Na2O + P2O5 → Na3PO4  + Q

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