Question

ХЕЛПОНИТЕ ПЖЖЖЖЖЖЖЖЖЖЖЖЖЖЖЖЖЖЖІ

Answer 1

Ответ:

1) 2Ca+O2=2CaO

CaO+H2SO4=CaSO4+H2O

CaO+H2O=Ca(OH)2

Ca(OH)2+SO2=CaSO3+H2O

Ca(OH)2+2HCl=CaCl2+2H2O

2) S+O2=SO2

2SO2+O2=2SO3

SO3+H2O=H2SO4

H2SO4+2KOH=K2SO4+2H2O

4K+O2=2K2O

K2O+H2O=2KOH

2KOH+H2SO4=K2SO4+2H2O

Объяснение: