<span>a) H</span>₂<span>+F</span>₂<span> =2HF
б) 3H</span>₂<span>+N</span>₂ = 2NH₃
<span>в) H</span>₂<span>+S = H</span>₂S
<span>
г) Fe</span>₂<span>O</span>₃<span>+3H</span>₂= 2Fe + 3H₂O
<span>
д) O</span>₃ <span>+ H</span>₂<span> = H</span>₂<span>O + O</span>₂
<span>
e) 2H</span>₂<span> +B</span>₂ = 2<span>HBr
ж) 2H</span>₂O = 2<span>H</span>₂ <span>+ О</span>₂
<span>
з) H</span>₂<span> +Ca = CaH</span>₂
<span>
и) CuO +H</span>₂ <span>Cu+ H</span>₂O
<span>
к) H</span>₂<span>+I</span>₂ = 2<span>HI</span>
4Li + O2=2Li2O
Li2O+H2O=2LiOH
3LiOH+H3PO4=Li3PO4+3H2O
3Li(+)+3OH(-)+3H(+)+PO4(-3)=3Li(+)+PO4(3-)+3H2O
3H(+)+3OH(-)=3H2O
SbCl3 - средняя соль
Al2S3 - нерастворимая соль
FeH2PO3 - кислая соль
NaNO3 - растворимая соль<span />
4P+5O2-->2 P2O5
P2O5 +3 H2O -->2 H3PO4
2H3PO4 +3CaCl2 -->Ca3 (PO4 )2 +6 HCl
Si×O2-->SiO2
SiO2 +Na2O -->Na2SiO3
Na2SiO3 --> Na2O +SiO2
SiO2 +2H2 --> Si +2H2O
Ответ:
<h3>1)</h3><h3>K⁺¹OH⁻¹+H⁺¹Cl⁻¹=K⁺¹CL⁻¹+H₂⁺¹O⁻²</h3><h3>C⁺⁴O₂⁻²+Ca⁺²O⁻²=Ca⁺²CO₃⁻²</h3><h3>P₂⁺⁵O₅⁻²+H₂⁺¹O⁻²=2H⁺¹P⁺⁵O₃⁻²</h3><h3>3)</h3><h3>S⁰+H₂⁺¹O⁻₂⇒S⁺⁴O₂⁻²+H₂⁰</h3>
Объяснение: