Question

1) Na + H2SO4 = Na2SO4 + ?
2) ? + ? = AlCl
3) Cu(OH)2 = ? + CuO
Помогите срочно!!!

Answer 1

1)2Na+H2O=2NaOH+H2
2)2NaOH+Cu(NO3)2=Cu(OH)2+2NaNO3
3)Cu(OH)2=CuO+H2O
4)CuO+C(кокс)=Сu+CO
ну или
4) СuO+H2=Cu+H2O

Answer 2

2Na+3H2SO4=2Na2SO4+ 2H2O+SO2
2Al+3CL2=2AlCl
Cu(OH)2=CuO+H2O