H2+Cl2 = 2HCl
CaO + 2HCl = CaCl2 + H2O
CaCl2 + Na2CO3 = CaCO3 + 2NaCl
CaCO3 =t= CaO + CO2
CaO + H2O = Ca(OH)2
Ca(OH)2 + 2HNO3 = Ca(NO3)2 + 2H2O
Ca(OH)2 + Cu(NO3)2 = Ca(NO3)2 + Cu(OH)2
V(H2S) = 134,4 л
Vм = 22,4 л/моль
M(H2S) = 34 г/моль
n = m/M = V/Vм
m = M*V/Vм = 34*134,4/22,4 = 204 г
Fe(OH)₃+3HCI=FeCI₃ + 3H₂<span>O
</span>Fe(OH)₃+3H⁺ + 3CI⁻=Fe³⁺ +3CI⁻ + 3H₂<span>O</span>
Fe(OH)₃+3H⁺=Fe³⁺ + 3H₂<span>O
</span><span>
или:
</span>
2Fe(OH)₃ + 3H₂SO₄ = Fe₂(SO₄)₃ + 6H₂O <span>
</span>2Fe(OH)₃ + 6H⁺ + 3SO₄ = 2Fe³⁺ + 3SO₄²⁻ + 6H₂O
2Fe(OH)₃ + 6H⁺ <span> = 2Fe³⁺ </span> + 6H₂O
C5H10+H2-->C5H12
C5H10+H2O-->C5H9OH
C5H10-->(-H2)C5H8
C5H10+HCl-->C5H9Cl+HCl
C5H10+Br2-->C5H8Br2
C5H10-->(-C5H10-)n
C5H10+15O2-->5CO2+5H2O
C6H10+H2-->C6H12
C6H10+H2O-->C6H9OH
C6H10-->(-H2)C6H8
C6H10+HCl-->C6H9Cl+HCl
C6H10+I2-->C6H8I2
C6H10-->(-C6H10-)n
C6H10+17O2-->6CO2+5H2O