<span>2Cu + O2 = 2CuO</span>
<span>CuO + H2SO4 =(t) CuSO4 + H2O </span>
<span>CuSO4 + 2NaOH = Cu(OH)2↓ + Na2SO4</span>
<span>Cu(OH)2 = CuO + H2O </span>
<span>CuO + H2 = Cu + H2O</span>
<span>4P + 5O2 = 2P2O5</span>
<span>P2O5 + 3H2O = 2H3PO4</span>
<span>2H3PO4 + 3Ca(OH)2 = Ca3(PO4)2 + 3H2O</span>
<span>4Li + O2 =2Li2O</span>
<span>2LiO + H2O = 2LiOH</span>
<span>2LiOH + H2SO4 =Li2SO4 + 2H2O</span>
2H2S + 3O2 = 2SO2 + 2H2O
Реакция горения сероводорода
<span>ДДля какого народу было характерно вера в переселение душ</span>