Ответ:
2H2O2=2H2O+O2p
2Na+S=Na2S
N2+3H2=2NH3
CO2+2Mg=2MgO+C
2Al+3H2SO4=Al2(SO4)3+3H2
MgO+2HNO3=Mg(NO3)2+H2O
3Ca(OH)2+2H3PO4=Ca3(PO4)2+6H2O
BaCl2+Na2CO3=2NaCl+BaCO3
Pb(NO3)2+2KOH=Pb(OH)2+2KNO3
H2S+Br2=2HBr+S
2NaNO3=2NaNO2+O2
3H20+P2O5=2H3PO4
SiCl4+2Zn=Si+2ZnCl2
2NO+O2=2NO2
1. 4) <span>Уменьшается
</span>2. 2) <span>Mg-Ca-Sr</span>
1) Al₄C₃ + 12HCl = 4AlCl₃ + 3CH₄
2) CH₄ + H₂O = CO + 3H₂
3) 2CO + O₂ = 2CO₂
4) CO₂ + BaO = BaCO₃<span>
5) </span>BaCO₃ + H₂O + CO₂ = Ba(HCO₃)₂
6) <span>Ba(HCO₃)₂ + H</span>₂SO₄<span> = BaSO</span>₄↓ + 2H₂O + 2CO₂
<span>Ba(OH)2 + 2 HNO3 = Ba(NO3)2 + 2 H2O</span>