К+Н²О=К²О+Н²О=S+O²=SO³+H²O=CнО+Н²О=

Question

К+Н²О=
К²О+Н²О=
S+O²=
SO³+H²O=
CнО+Н²О=

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Answer 1

2K+2H2O=2КOH+H2
K2O+H2O=2KOH
S+O2=SO2
SO3+H2O=H2SO4
CuO+H2O=Cu(OH)2