Держи. не забудь только написать дано
2Na+2H2O=2NaOH+H2
NaOH+HCl=NaCl+H2O
NaCl+HNO3=NaNO3+HCl
1)Cu2+ + HOH = CuOH+ + H+
<span>CuCl2 + HOH = CuOHCl + HCl , среда кислая</span>
Zn + 2 H₂SO₄ ⇒ ZnSO₄ + SO₂ + 2 H₂O
Zn⁰ ⇒⁻²e⇒ Zn⁺²
S⁺⁶ ⇒⁺²e⇒S⁺⁴
1. CaCO3 + 4C = CaC2 + 3CO
CaC2 + 2H2O -> C2H2 + Ca(OH)2
2C2H2 + O2 -> 2CH3CH=O
2. CH3-CH2OH -> CH2=CH2 + H2O
CH2+CH2 + H2 -> CH3-CH3
CH3-CH3 + Cl2 -> CH3-CH2CL + HCl
CH3-CH2Cl + H2O -> CH3-CH2OH + HCl
2CH3-CH2OH + O2 = 2CH3CH=O + 2H2O