Zadanie w załączniku...
a) 2Al + 3H2SO4 ----> Al2(SO4)3 + 3H2
4Al + 3O2 ---> 2Al2O3
Al2O3 + H2SO4 ---> Al2(SO4)3 + H2O
Al2O3 + 6HCl ---> 2AlCl3 + 3H2O
2Al + 6HCl ----> 2AlCl3 + 3H2
b) 2Ca + O2 ----> 2CaO
CaO + 2HCl ----> CaCl2 + H2O
Ca + 2H2O ----> Ca(OH)2 + H2
CaO + H2O ----> Ca(OH)2
Ca(OH)2 + 2NaCl ----> CaCl2 + 2NaOH
Ca(OH)2 + 2NaNO3 ----> Ca(NO3)2 + 2NaOH
a)
2Al + 3H₂SO₄ --> Al₂(SO₄)₃ + 3H₂
4Al + 3O₂ --> 2Al₂O₃
Al₂O₃ + 3SO₃ --> Al₂(SO₄)₃
Al + 3Cl --> AlCl₃
Al₂O₃ + 6HCl --> 2AlCl₃ + 3H₂O
b)
2Ca + O₂ --> 2CaO
CaO + 2HCl --> CaCl₂ + H₂O
Ca + 2H₂O --> Ca(OH)₂ + H₂
CaO + H₂O --> Ca(OH)₂
Ca(OH)₂ + 2HCl --> CaCl₂ + H₂O
Ca(OH)₂ + 2HNO₃ --> Ca(NO₃)₂ + H₂O
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a) 2Al + 3H2SO4 ----> Al2(SO4)3 + 3H2
4Al + 3O2 ---> 2Al2O3
Al2O3 + H2SO4 ---> Al2(SO4)3 + H2O
Al2O3 + 6HCl ---> 2AlCl3 + 3H2O
2Al + 6HCl ----> 2AlCl3 + 3H2
b) 2Ca + O2 ----> 2CaO
CaO + 2HCl ----> CaCl2 + H2O
Ca + 2H2O ----> Ca(OH)2 + H2
CaO + H2O ----> Ca(OH)2
Ca(OH)2 + 2NaCl ----> CaCl2 + 2NaOH
Ca(OH)2 + 2NaNO3 ----> Ca(NO3)2 + 2NaOH
a)
2Al + 3H₂SO₄ --> Al₂(SO₄)₃ + 3H₂
4Al + 3O₂ --> 2Al₂O₃
Al₂O₃ + 3SO₃ --> Al₂(SO₄)₃
Al + 3Cl --> AlCl₃
Al₂O₃ + 6HCl --> 2AlCl₃ + 3H₂O
b)
2Ca + O₂ --> 2CaO
CaO + 2HCl --> CaCl₂ + H₂O
Ca + 2H₂O --> Ca(OH)₂ + H₂
CaO + H₂O --> Ca(OH)₂
Ca(OH)₂ + 2HCl --> CaCl₂ + H₂O
Ca(OH)₂ + 2HNO₃ --> Ca(NO₃)₂ + H₂O