October 2021 0 13 Report
Определите, какие из нижеперечисленных термохимических уравнений относятся к экзотермическим реакциям:  HCl + NaOH = NaCl + H2O  N2+ 3H2= 2NH3+Q 2H2O= 2H2 + O2 - Q  CaCo3 = CaO + CO2- Q    Please!
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