| Équations équilibrées la veille | Équations équilibrées le lendemain |
6 NaI + 2 CrO3 + 6 H2SO4 = 3 Na2SO4 + Cr2(SO4)3 + 3 I2 + 6 H2O
CsOH + H2O = CsO + H3O =>
CsOH + H2O = CsO + H3O
HBr(aq) + Ba(OH)2(aq) = H2O(l) + BaBr2(aq) =>
2 HBr(aq) + Ba(OH)2(aq) = 2 H2O(l) + BaBr2(aq)
CO2 + Ca(OH)2 = C(OH)2 + CaO2 =>
CO2 + Ca(OH)2 = C(OH)2 + CaO2
NH4OH + NaOCl = NaOH + NH2Cl + H2O =>
NH4OH + NaOCl = NaOH + NH2Cl + H2O
Si + S8 = Si2S4 =>
4 Si + S8 = 2 Si2S4
CH3ONa + O2 = CO2 + Na2CO3 + H2O =>
2 CH3ONa + 3 O2 = CO2 + Na2CO3 + 3 H2O
C3H8(g) + O2(g) = CO2(g) + H2O(g) =>
C3H8(g) + 5 O2(g) = 3 CO2(g) + 4 H2O(g)
Zn + HAsO2 + H2SO4 = ZnSO4 + AsH3 + H2O =>
3 Zn + HAsO2 + 3 H2SO4 = 3 ZnSO4 + AsH3 + 2 H2O
K2Cr2O7 + H2O2 + H2SO4 = HCrO4 + K2SO4 + H2O =>
K2Cr2O7 + H2O2 + H2SO4 = 2 HCrO4 + K2SO4 + H2O
NaOH + H2SO3 = NaH2SO3 + OH =>
NaOH + H2SO3 = NaH2SO3 + OH
Br2 + Sn = Br{-} + Sn2{+} =>
Br2 + 4 Sn = 2 Br{-} + 2 Sn2{+}
H2O + NaAsO2 + Br2 = NaAsO3 + HBr =>
H2O + NaAsO2 + Br2 = NaAsO3 + 2 HBr
Mg3(PO3)2 + W(C2H3O2)3 = Mg(C2H3O2)2 + WPO3 =>
Mg3(PO3)2 + 2 W(C2H3O2)3 = 3 Mg(C2H3O2)2 + 2 WPO3
C3H5(NO3)3 = CO2 + N2 + H2O + O2 =>
4 C3H5(NO3)3 = 12 CO2 + 6 N2 + 10 H2O + O2
H2SO4(aq) + KOH(aq) = K2SO4(aq) + H2O(l) =>
H2SO4(aq) + 2 KOH(aq) = K2SO4(aq) + 2 H2O(l)
Na2SiO3 + AgNO3 = Ag2SiO3 + NaNO3 =>
Na2SiO3 + 2 AgNO3 = Ag2SiO3 + 2 NaNO3
CaCO3 = CO2 + CaO =>
CaCO3 = CO2 + CaO
Fe(OH)3 + HClO3 = Fe(OH)(ClO3)2 + H2O =>
Fe(OH)3 + 2 HClO3 = Fe(OH)(ClO3)2 + 2 H2O
KMnO4 + Fe2(SO4)3 = Fe(MnO4)3 + K2SO4 =>
6 KMnO4 + Fe2(SO4)3 = 2 Fe(MnO4)3 + 3 K2SO4
Tl(OH)3 = Tl{3+} + OH{-} =>
Tl(OH)3 = Tl{3+} + 3 OH{-}
Na3Po4 + BaCl2 = NaCl + Ba3(Po4)2 =>
2 Na3Po4 + 3 BaCl2 = 6 NaCl + Ba3(Po4)2
C6H14 + O2 = C6O2 + H2 =>
C6H14 + O2 = C6O2 + 7 H2
Mg(OH)2 + H3BO3 = Mg3(BO3)2 + H2O =>
3 Mg(OH)2 + 2 H3BO3 = Mg3(BO3)2 + 6 H2O
Au2S3(s) + H2(g) = Au(s) + H2S(g) =>
Au2S3(s) + 3 H2(g) = 2 Au(s) + 3 H2S(g)
H2SO3 + Sn{+2} + H{+} = S{-2} + Sn{+4} + H2O =>
H2SO3 + 3 Sn{+2} + 4 H{+} = S{-2} + 3 Sn{+4} + 3 H2O
NaI + Na2Cr2O7 + H2SO4 = Na2SO4 + Cr2(SO4)3 + I2 + H2O =>
6 NaI + Na2Cr2O7 + 7 H2SO4 = 4 Na2SO4 + Cr2(SO4)3 + 3 I2 + 7 H2O
LiOH + H3PO4 = LiH3 + OH(PO4) =>
LiOH + H3PO4 = LiH3 + OH(PO4)
C5H10(decano) + O2 = CO2 + H2O =>
2 C5H10(decano) + 15 O2 = 10 CO2 + 10 H2O
Na2S2O4 + H2SO4 = H2O + SO2 + Na2SO4 =>
Na2S2O4 + 2 H2SO4 = 2 H2O + 3 SO2 + Na2SO4
H6C2O + O2 = H2O + O2C =>
H6C2O + 3 O2 = 3 H2O + 2 O2C
KNO3 + CaCO3 = K2CO3 + Ca(NO3)2 =>
2 KNO3 + CaCO3 = K2CO3 + Ca(NO3)2
K + S = K2S =>
2 K + S = K2S
S + OH{-} = S2{2-} + (S2O3){2-} + H2O =>
6 S + 6 OH{-} = 2 S2{2-} + (S2O3){2-} + 3 H2O
C3H6O2 + CH3OH = CH2C3H6O2 + H2O =>
C3H6O2 + CH3OH = CH2C3H6O2 + H2O
CaS(s) + HCl(aq) = H2S(g) + CaCl2(aq) =>
CaS(s) + 2 HCl(aq) = H2S(g) + CaCl2(aq)
Na2SiO3 + AgNO3 = Ag2SiO3 + NaNO3 =>
Na2SiO3 + 2 AgNO3 = Ag2SiO3 + 2 NaNO3
H3PO4 + Mg(OH)2 = (Mg)3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = (Mg)3(PO4)2 + 6 H2O
CH3(CH2)5CH3 + O2 = CH3CHO + H2O =>
4 CH3(CH2)5CH3 + 9 O2 = 14 CH3CHO + 4 H2O
C8H9NO + Br2 = C8H8BrNO + HBr =>
C8H9NO + Br2 = C8H8BrNO + HBr
Zr(s) + N2(g) = Zr3N4(m) =>
3 Zr(s) + 2 N2(g) = Zr3N4(m)
Ni + CN = Ni(CN)2 =>
Ni + 2 CN = Ni(CN)2
Na + Al2O3 = Al + NaO3 =>
Na + Al2O3 = 2 Al + NaO3
Pt + O = Pt2O4 =>
2 Pt + 4 O = Pt2O4
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
FeCl2 + O2 + HCl = FeCl3 + H2O =>
4 FeCl2 + O2 + 4 HCl = 4 FeCl3 + 2 H2O
Mg(NH4)PO4 = Mg2P2O7 + NH3 + H2O =>
2 Mg(NH4)PO4 = Mg2P2O7 + 2 NH3 + H2O
methane + oxygengas = carbondioxide + water =>
CH4 + 2 O2 = CO2 + 2 H2O
PCl + Ag(NO3) = P(NO3) + AgCl =>
PCl + Ag(NO3) = P(NO3) + AgCl
H2S(s) + O2(g) = S(s) + H2O(g) =>
2 H2S(s) + O2(g) = 2 S(s) + 2 H2O(g)
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