<span>H2O+SO2=>H2SO3</span><span>K2O+H2O=>2KOH</span><span>Ba+2H2o=>Ba(OH)2+H2</span><span>CaH2+2H2O=>Ca(OH)2+ 2H2</span>Al3C4 ???? - утточните
<span>H2O+SO2=>H2SO3</span><span>K2O+H2O=>2KOH</span><span>Ba+2H2О=> Ba(OH)2 + H2</span><span>CaH2+2H2O=> Ca(ОН)2 + Н2</span><span>Ai3C4+12H2O=> 4Al(OH)3 + 3CH4</span>
Ответ:
Объяснение:
1)0;2)+1;3)+5
2-52. H2, N2, S8, H2O2, CH3COOH
2-53. P2O5, H2SO4, CH3OH, HF, HNO3, Cl2O7, N2H4
2-54. NaNO3, CH3COONa, KOH, Na2O, Na2O2
2-55. KNO3, CH3COOK, Ba(OH)2, BaO, BaO2