Здравствуйте.
1. 2N₂ + 5O₂ = 2N₂O₅<span>
2. </span>N₂O₅ + H₂O = 2HNO₃
3. KOH + HNO₃ = KNO₃ + H₂O<span> </span>
CaO + H2O = Ca(OH)2
MgO + H2O = Mg(OH)2
Li2O + H2O = 2LiOH
BaO + H2O = Ba(OH)2
CaO + 2HCl = CaCl2 + H2O
MgO + 2HCl = MgCl2 + H2O
Li2O + 2HCl =2 LiCl + H2O
BaO + 2HCl = BaCl2 + H2O
CaO +2HNO3 = Ca(NO3)2 + H2O
MgO + 2HNO3 = Mg(NO3)2 + H2O
Li2O + 2HNO3 = 2LiNO3 + H2O
BaO +2 HNO3 = Ba(NO3)2 + H2O
С NaOH не взаимодействуют
3CaO + P2O5 = Ca3(PO4)2
3MgO + P2O5 = Mg3(PO4)2
3Li2O + P2O5 = 2Li3PO4
3BaO + P2O5 = Ba3(PO4)2
1) 2CH4=(t=свыше 1400) C2H2+3H2;
2) C2H2 +H2 =(t, Ni)C2H4;
3) Н2С=СН2+Н2=(t,kat)С2Н6;
4) C2H6 = C2H4 + H2;
5) C2H4 + H20 = C2H5OH;
6) C2H5OH+HBr---> С2Н5Br + Н2O.
2NaOH + H2SO4 = Na2SO4 + 2H2O
n(NaOH)=25,6/40=0,64моль
n(Na2SO4)=0,32моль
m(Na2SO4)=0,32*142=45,44г
1) Са(+)+2ОН(-)+2Na(+)+SO4(-)=Ca(+)+SO4(-)+2Na(+)+2OH(-)
Ca(+)+SO4 (-)=CaSO4
2)2HgO=2Hg+O2
n=2моль. n=1 моль
n(HgO)=21,7/217=0,1 моль
n(O2)=0,05 моль
V(O2)=0,05*22,4=1,12 л
Ответ:1,12 л