| Équations équilibrées la veille | Équations équilibrées le lendemain |
Li2O + BaCl2 = 2 LiCl + BaO
Li + HNO3 = Li(NO3) + H2 =>
2 Li + 2 HNO3 = 2 Li(NO3) + H2
CH3COOH + AgNO3 = CH3NO3 + AgCOOH =>
CH3COOH + AgNO3 = CH3NO3 + AgCOOH
Na2SiO3 + HCl = NaCl + H2SiO3 =>
Na2SiO3 + 2 HCl = 2 NaCl + H2SiO3
Ca(ClO)2 + SO2 + H2O = CaCl2 + H2SO4 =>
Ca(ClO)2 + 2 SO2 + 2 H2O = CaCl2 + 2 H2SO4
PPh3 + CH3I = [CH3PPh3]I =>
PPh3 + CH3I = [CH3PPh3]I
NH4{+} + Cl{-} = NH4Cl =>
NH4{+} + Cl{-} = NH4Cl
HClO3 + P2 + H2O = H3PO4 + HCl =>
5 HClO3 + 3 P2 + 9 H2O = 6 H3PO4 + 5 HCl
Zn + HNO2 = Zn(NO2)2 + H =>
Zn + 2 HNO2 = Zn(NO2)2 + 2 H
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
Li2O(s) + H2O(l) = Li(OH)(ac) =>
Li2O(s) + H2O(l) = 2 Li(OH)(ac)
Pb(HSO3)2 + H2SO4 = PbSO4 + H2O + SO2 =>
Pb(HSO3)2 + H2SO4 = PbSO4 + 2 H2O + 2 SO2
NH3 + PbSO4 + O2 = NH3SO4 + PbO =>
2 NH3 + 2 PbSO4 + O2 = 2 NH3SO4 + 2 PbO
Al(CO3)2(aq) + (NH3)2PO4(aq) = AlPO4(s) + NH3CO3(aq) =>
Al(CO3)2(aq) + (NH3)2PO4(aq) = AlPO4(s) + 2 NH3CO3(aq)
C4H6 + HCl = C4H6Cl2 + H =>
C4H6 + 2 HCl = C4H6Cl2 + 2 H
C2H4(COOH)2 + NaHCO3 + K2CO3 = NaKC2H4(COO)2 + H2O + CO2 =>
2 C2H4(COOH)2 + 2 NaHCO3 + K2CO3 = 2 NaKC2H4(COO)2 + 3 H2O + 3 CO2
C19H38O2 + O2 = CO2 + H2O =>
2 C19H38O2 + 55 O2 = 38 CO2 + 38 H2O
Na2SiO3 + HCl = NaCl + H2SiO3 =>
Na2SiO3 + 2 HCl = 2 NaCl + H2SiO3
CH4 + KMnO4 = CH2O + KOH + H2O + MnO2 =>
3 CH4 + 4 KMnO4 = 3 CH2O + 4 KOH + H2O + 4 MnO2
Zr(OH)4 + H2Se = H2O + ZrH2Se3 =>
Zr(OH)4 + 3 H2Se = 4 H2O + ZrH2Se3
Mn(HCO3)2 + AlBr3 = Al(HCO3)3 + MnBr2 =>
3 Mn(HCO3)2 + 2 AlBr3 = 2 Al(HCO3)3 + 3 MnBr2
K2Cr2O7(aq) + FeCl3 = Fe2(Cr2O7)3 + KCl =>
3 K2Cr2O7(aq) + 2 FeCl3 = Fe2(Cr2O7)3 + 6 KCl
XCaC2 + H2O = Ca(OH)2 + XC2H2 =>
XCaC2 + 2 H2O = Ca(OH)2 + XC2H2
H2SO4 + Sn(OH)2 = H2O + SnSO4 =>
H2SO4 + Sn(OH)2 = 2 H2O + SnSO4
CH3MgBr + CH3COOH = CH4 + CH3COOMgBr =>
CH3MgBr + CH3COOH = CH4 + CH3COOMgBr
H(l) + O(l) = H2O =>
2 H(l) + O(l) = H2O
Mg + Ca3(PO4)2 = Mg3(PO4)2 + Ca2 =>
6 Mg + 2 Ca3(PO4)2 = 2 Mg3(PO4)2 + 3 Ca2
Cl + Zn + H2O = Zn(OH)3Cl + H2 =>
2 Cl + 2 Zn + 6 H2O = 2 Zn(OH)3Cl + 3 H2
ZnO + HCl = ZnCl2 + H2O =>
ZnO + 2 HCl = ZnCl2 + H2O
U3O8 + NH4F = UF4 + H2O + N + NH3 =>
3 U3O8 + 36 NH4F = 9 UF4 + 24 H2O + 4 N + 32 NH3
NaOH + NiCl2 = NaCl2 + OHNi =>
NaOH + NiCl2 = NaCl2 + OHNi
Li + Cu(SO)4 = Li2(SO)4 + Cu =>
2 Li + Cu(SO)4 = Li2(SO)4 + Cu
Mg + NO3{-} + H{+} = Mg2{+} + N2 + H2O =>
20 Mg + 2 NO3{-} + 12 H{+} = 10 Mg2{+} + N2 + 6 H2O
HS + I2 = HI + S2 =>
2 HS + I2 = 2 HI + S2
ironoxide + nitricacid = Fe(NO3)3 + water =>
Fe2O3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
potassiumchloride + water = potassiumhydroxide + hydrogen + chlorine =>
2 KCl + 2 H2O = 2 KOH + H2 + Cl2
H2Cr2O7 + KOH = KHCr2O7 + H2O =>
H2Cr2O7 + KOH = KHCr2O7 + H2O
Li + HClO = H2 + LiClO =>
2 Li + 2 HClO = H2 + 2 LiClO
Ca(OH)2 + H2SO4 = (CaOH2)SO4 + H2O =>
Ca(OH)2 + H2SO4 = (CaOH2)SO4 + H2O
CaSO3 + MnO4{-} + H2SO4 = CaSO4 + SO4{2-} + Mn{2+} + H2O =>
5 CaSO3 + 2 MnO4{-} + 3 H2SO4 = 5 CaSO4 + 3 SO4{2-} + 2 Mn{2+} + 3 H2O
Sr(NO3)2 + Al(NO3)2 + (NH2)2CO = SrAl2O4 + H2O + CO2 + N2 =>
3 Sr(NO3)2 + 6 Al(NO3)2 + 14(NH2)2CO = 3 SrAl2O4 + 28 H2O + 14 CO2 + 23 N2
Mg(s) + P4(g) = MgP =>
4 Mg(s) + P4(g) = 4 MgP
As2O3 + KMnO4 = (AsO4) + Mn + K =>
4 As2O3 + 5 KMnO4 = 8(AsO4) + 5 Mn + 5 K
Na{+} + H2O = Na(OH) + H3O{+} =>
Na{+} + 2 H2O = Na(OH) + H3O{+}
Cl2H2O = HCl + HClO =>
Cl2H2O = HCl + HClO
C4H10 + Cl = C + HCl =>
C4H10 + 10 Cl = 4 C + 10 HCl
K2Cr2O7 + H2SO4 + FeO = Cr2O3 + Fe2O3 + H2O + K2SO4 =>
K2Cr2O7 + H2SO4 + 6 FeO = Cr2O3 + 3 Fe2O3 + H2O + K2SO4
Ga + H2 = GaH =>
2 Ga + H2 = 2 GaH
O2 + H4Si = SiO2 + H2O =>
2 O2 + H4Si = SiO2 + 2 H2O
HCl + Li2CO3 = H2O + CO2 + LiCl =>
2 HCl + Li2CO3 = H2O + CO2 + 2 LiCl
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