Question

Срочно! 15 баллов! Подробно плиз:)))

Answer 1

a) S+H2 = H2S      2H2S + 3O2 = 2SO2 + 2H2O

б)2 H2O +2 Na = 2NaOH + H2        H2 + 2Na = 2NaH

в) 2HBr +2 Na = 2NaBr + H2           3H2 + N2 = 2NH3

г) 2H2O +2 Na = 2NaOH + H2          H2 + Cl2 = 2HCl