| Équations équilibrées la veille | Équations équilibrées le lendemain |
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
CaCl2(aq) + CuSO4(aq) = CaSO4(s) + CuCl2(s) =>
CaCl2(aq) + CuSO4(aq) = CaSO4(s) + CuCl2(s)
P + S = P3S2 =>
3 P + 2 S = P3S2
HCl + Fe2O3 + H2O = FeCl3*6H2O =>
6 HCl + Fe2O3 + 9 H2O = 2 FeCl3*6H2O
AgO(s) = Ag(s) + O2(g) =>
2 AgO(s) = 2 Ag(s) + O2(g)
NH3(g) + Cl2(g) = N2H4(l) + NH4Cl(s) =>
4 NH3(g) + Cl2(g) = N2H4(l) + 2 NH4Cl(s)
P4O10(s) + PCl5(s) = POCl3(l) =>
P4O10(s) + 6 PCl5(s) = 10 POCl3(l)
C10H2C2 + O2 = CO + H2O =>
2 C10H2C2 + 13 O2 = 24 CO + 2 H2O
CaCO3 + HCl + (NH4)2C2O4 = CaC2O4H2O + CO2 + NH4Cl =>
CaCO3 + 2 HCl + (NH4)2C2O4 = CaC2O4H2O + CO2 + 2 NH4Cl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
AgNO3 + NaCN = NaNO3 + Na[Ag(CN)2] =>
AgNO3 + 2 NaCN = NaNO3 + Na[Ag(CN)2]
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
LiOH + KCO = KOH + LiCO =>
LiOH + KCO = KOH + LiCO
AgNO3 + CuCl2 = AgCl2 + Cu2(NO3)2 =>
2 AgNO3 + 2 CuCl2 = 2 AgCl2 + Cu2(NO3)2
CH3COOH + NaHCO3 = CH3COONa + CO3 + H2 =>
CH3COOH + NaHCO3 = CH3COONa + CO3 + H2
(NH4Cl) + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2(NH4Cl) + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
HNO{3} + KBr = HBr + KNO{3} =>
HNO{3} + KBr = HBr + KNO{3}
MgCO3 + N2 = Mg3N2 + CO2 + O2 =>
6 MgCO3 + 2 N2 = 2 Mg3N2 + 6 CO2 + 3 O2
CaCl2(aq) + CuSO4(aq) = CaSO4(s) + CuCl2(s) =>
CaCl2(aq) + CuSO4(aq) = CaSO4(s) + CuCl2(s)
Li2Cr2O7 + Sn2 = SnCr2O7 + Li =>
2 Li2Cr2O7 + Sn2 = 2 SnCr2O7 + 4 Li
H(NO3) + K(OH) = H2O + KNO3 =>
H(NO3) + K(OH) = H2O + KNO3
Zr + H2 = ZrH4 =>
Zr + 2 H2 = ZrH4
Mg + C6H5COOH = C14H10MgO4 + H2 =>
Mg + 2 C6H5COOH = C14H10MgO4 + H2
CaSiO3 + Fe2O3 + C = FeSi + CaO + CO =>
2 CaSiO3 + Fe2O3 + 7 C = 2 FeSi + 2 CaO + 7 CO
Na2S + H2 = Na + H2S =>
Na2S + H2 = 2 Na + H2S
HNO2 + NiOH = NiNO2 + H2O =>
HNO2 + NiOH = NiNO2 + H2O
FeCl2 + KMnO2 + HCl = FeCl3 + MnCl2 + H2O + KCl =>
FeCl2 + KMnO2 + 4 HCl = FeCl3 + MnCl2 + 2 H2O + KCl
Cu(s) + H2SO4(g) = CuSO4(aq) + SO2(g) + H2O =>
Cu(s) + 2 H2SO4(g) = CuSO4(aq) + SO2(g) + 2 H2O
Al(s) + CuCl(s) = AlCl3(s) + Cu(s) =>
Al(s) + 3 CuCl(s) = AlCl3(s) + 3 Cu(s)
N2O5 + H3PO4 = N3(PO4)5 + H2O =>
3 N2O5 + 10 H3PO4 = 2 N3(PO4)5 + 15 H2O
CrCl3*6H2O + CO(NH2)2 + C5H8O2 = Cr(C5H7O2)3 + H2O + CO2 + NH4Cl =>
2 CrCl3*6H2O + 3 CO(NH2)2 + 6 C5H8O2 = 2 Cr(C5H7O2)3 + 9 H2O + 3 CO2 + 6 NH4Cl
C2Cl4 + H = C2H4 + Cl =>
C2Cl4 + 4 H = C2H4 + 4 Cl
CaCl2(aq) + CuSO4(aq) = CaSO4(s) + CuCl2(s) =>
CaCl2(aq) + CuSO4(aq) = CaSO4(s) + CuCl2(s)
NaCH3COO + HCl = CH3COOH + NaCl =>
NaCH3COO + HCl = CH3COOH + NaCl
H2SO4 + NaOH + Cl2 = Na2SO4 + HCl + H2O2 =>
H2SO4 + 2 NaOH + Cl2 = Na2SO4 + 2 HCl + H2O2
PCl + H2O = H3 + PO4 + HCl =>
3 PCl + 12 H2O = 7 H3 + 3 PO4 + 3 HCl
CuSO{4} + NaOH = NaSO{4} + CuOH =>
CuSO{4} + NaOH = NaSO{4} + CuOH
Cu(s) + S(l) = CuS(s) =>
Cu(s) + S(l) = CuS(s)
FeCl3 + H2CO3 = Fe2(CO3)3 + HCl =>
2 FeCl3 + 3 H2CO3 = Fe2(CO3)3 + 6 HCl
CH3Br + NaOCH3 = CH3OCH3 + NaBr =>
CH3Br + NaOCH3 = CH3OCH3 + NaBr
CH2CH2 + KMnO4 + H2O = CH3COOH + MnO2 + KOH =>
3 CH2CH2 + 4 KMnO4 + 2 H2O = 3 CH3COOH + 4 MnO2 + 4 KOH
HCO + NaOH = NaCO + H2O =>
HCO + NaOH = NaCO + H2O
Ba{2+} + PO4{3-} = Ba3(PO4)2 =>
3 Ba{2+} + 2 PO4{3-} = Ba3(PO4)2
NaBrO3 + NaI + H2SO4 = NaBr + I2 + Na2SO4 + H2O =>
NaBrO3 + 6 NaI + 3 H2SO4 = NaBr + 3 I2 + 3 Na2SO4 + 3 H2O
Na2SiO3 + Fe(NO3)2 = Fe2(SiO3)2 + NaNO3 =>
2 Na2SiO3 + 2 Fe(NO3)2 = Fe2(SiO3)2 + 4 NaNO3
C2H5OH(aq) + O2(g) = CO2(g) + H2O(aq) =>
C2H5OH(aq) + 3 O2(g) = 2 CO2(g) + 3 H2O(aq)
KClO3 + MgS = K2S + Mg(ClO3)2 =>
2 KClO3 + MgS = K2S + Mg(ClO3)2
Hg(CN)2 = Hg + (CN)2 =>
Hg(CN)2 = Hg + (CN)2
CaCl2(aq) + CuSO4(aq) = CaSO4(s) + CuCl2(s) =>
CaCl2(aq) + CuSO4(aq) = CaSO4(s) + CuCl2(s)
H2NO5 + Na2SiO3 = Na2NO5 + H2SiO3 =>
H2NO5 + Na2SiO3 = Na2NO5 + H2SiO3
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