Équations équilibrées la veille |
2 CuCl2 + 4 KI = 2 CuI + I2 + 4 KCl
Sb + H2O = Sb2O3 + H2 =>
2 Sb + 3 H2O = Sb2O3 + 3 H2
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
K2CrO4 + Na2S = Na2CrO4 + K2S =>
K2CrO4 + Na2S = Na2CrO4 + K2S
KNbO3 + BaTe2O6 = KBaNbTe2O9 =>
KNbO3 + BaTe2O6 = KBaNbTe2O9
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
COCl2(g) + H2O = CO2(g) + HCl(aq) =>
COCl2(g) + H2O = CO2(g) + 2 HCl(aq)
Ba(No3)2 + Na2Co3 = Ba(No3)2Na2Co3 =>
Ba(No3)2 + Na2Co3 = Ba(No3)2Na2Co3
Na2CO3 + HF = (NaF*HF) + H2O + CO2 =>
Na2CO3 + 4 HF = 2(NaF*HF) + H2O + CO2
AgNO3(aq) + Na2O(aq) = NaNO3(aq) + Ag2O(s) =>
2 AgNO3(aq) + Na2O(aq) = 2 NaNO3(aq) + Ag2O(s)
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
OH{-} + Mn(OH)2 + F2 = MnO2 + F{-}{} + H2O =>
2 OH{-} + Mn(OH)2 + F2 = MnO2 + 2 F{-}{} + 2 H2O
Na(HCO3) + H2SO4 = Na2SO4 + H2O + CO2 =>
2 Na(HCO3) + H2SO4 = Na2SO4 + 2 H2O + 2 CO2
LiCl2 + NaOH = Li(OH) + NaCl2 =>
LiCl2 + NaOH = Li(OH) + NaCl2
Ba(OH)2 = HOH + BaO =>
Ba(OH)2 = HOH + BaO
Sr + P4 = SrP =>
4 Sr + P4 = 4 SrP
KMnO4 + HCl + FeCl2 = FeCl3 + MnCl2 + KCl + H2O =>
KMnO4 + 8 HCl + 5 FeCl2 = 5 FeCl3 + MnCl2 + KCl + 4 H2O
Pt + S8 = PtS2 =>
4 Pt + S8 = 4 PtS2
K2O + Ni(NO3)2 = NiO + KNO3 =>
K2O + Ni(NO3)2 = NiO + 2 KNO3
AlBr3 + AgNO3 = Al(NO3)3 + Ag3Br3 =>
AlBr3 + 3 AgNO3 = Al(NO3)3 + Ag3Br3
Na3AsO3 + CuSO4 = Na3AsO4 + CuSO3 =>
Na3AsO3 + CuSO4 = Na3AsO4 + CuSO3
HNO3 + CrO3 = Cr(NO3)6 + H2O =>
6 HNO3 + CrO3 = Cr(NO3)6 + 3 H2O
Pb + KOH + H2O = K2[Pb(OH)4] + H2 =>
Pb + 2 KOH + 2 H2O = K2[Pb(OH)4] + H2
MgO + KMnO4 + H2SO4 = MgO2 + K2SO4 + MnSO4 + H2O =>
5 MgO + 2 KMnO4 + 3 H2SO4 = 5 MgO2 + K2SO4 + 2 MnSO4 + 3 H2O
LiNO3 + FeF3 = LiF + Fe(NO3)3 =>
3 LiNO3 + FeF3 = 3 LiF + Fe(NO3)3
CaCl2 + HNo3 = Ca(No3)2 + Cl2 + H2 =>
CaCl2 + 2 HNo3 = Ca(No3)2 + Cl2 + H2
HCl + MnS = MnCl2 + H2S(g) =>
2 HCl + MnS = MnCl2 + H2S(g)
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
Fe{3} + SCN{-} = Fe(SCN){2} =>
Fe{3} + SCN{-} = Fe(SCN){2}
Ca(NO3)2 + NaIO3 = Ca(IO3)2 + NaNO3 =>
Ca(NO3)2 + 2 NaIO3 = Ca(IO3)2 + 2 NaNO3
Mn2O3 + H2SO4 = MnSO4 + MnO2 + H2O =>
Mn2O3 + H2SO4 = MnSO4 + MnO2 + H2O
(Br)2 + KI = (I)2 + KBr =>
(Br)2 + 2 KI = (I)2 + 2 KBr
KCN + H2(SO4) = HCN + K2(SO4) =>
2 KCN + H2(SO4) = 2 HCN + K2(SO4)
CH3Cl + Fe(OH)3 = CH3OH + FeCl3 =>
3 CH3Cl + Fe(OH)3 = 3 CH3OH + FeCl3
Al + Br = AlBr3 =>
Al + 3 Br = AlBr3
H{+} + Au + CN{-} + O2 = (Au(CN)4){-} + H2O =>
12 H{+} + 4 Au + 16 CN{-} + 3 O2 = 4(Au(CN)4){-} + 6 H2O
Cu(s) + O2(g) = CuO(s) =>
2 Cu(s) + O2(g) = 2 CuO(s)
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
NaNO2(aq) + H2SO4(aq) = HNO2 + Na2SO4 =>
2 NaNO2(aq) + H2SO4(aq) = 2 HNO2 + Na2SO4
(NH4)2S + Al(NO3)3 + H2O = Al(OH)3 + NH4NO3 + H2S =>
3(NH4)2S + 2 Al(NO3)3 + 6 H2O = 2 Al(OH)3 + 6 NH4NO3 + 3 H2S
CaSO4 + SiO2 + C = CaSiO3 + CO + S =>
CaSO4 + SiO2 + 3 C = CaSiO3 + 3 CO + S
Al(s) + NiBr2(aq) = AlBr3(aq) + Ni(s) =>
2 Al(s) + 3 NiBr2(aq) = 2 AlBr3(aq) + 3 Ni(s)
CH3CH(OH)CH3 + O2 = CO2 + H2O =>
2 CH3CH(OH)CH3 + 9 O2 = 6 CO2 + 8 H2O
Sb + H2O = Sb2O3 + H2 =>
2 Sb + 3 H2O = Sb2O3 + 3 H2
C2H6 + Cl2 = C2H4C2 + HCl =>
2 C2H6 + 4 Cl2 = C2H4C2 + 8 HCl
Pb(No3)2 + K2S = PbS + KNo3 =>
Pb(No3)2 + K2S = PbS + 2 KNo3
Ba + HCl = BaCl2 + H2 =>
Ba + 2 HCl = BaCl2 + H2
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Ca + AlCl3 = CaCl2 + Al =>
3 Ca + 2 AlCl3 = 3 CaCl2 + 2 Al
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