| Équations équilibrées la veille |
PbCl2 + Fe = FePb + Cl2
K2TiF6 + O2 = K3TiOF5 + TiO2 + F2 =>
3 K2TiF6 + 2 O2 = 2 K3TiOF5 + TiO2 + 4 F2
Na2Cr2O7 + KI + HCl = CrCl3 + I2 + KCl + NaCl + H2O =>
Na2Cr2O7 + 6 KI + 14 HCl = 2 CrCl3 + 3 I2 + 6 KCl + 2 NaCl + 7 H2O
MnO2 + OH{-} + O2 = MnO42{-} + H2O =>
4 MnO2 + 4 OH{-} + 79 O2 = 4 MnO42{-} + 2 H2O
ZrH2 + Bi2O3 = ZrO2 + H2O + Bi =>
ZrH2 + Bi2O3 = ZrO2 + H2O + 2 Bi
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
NH4Cl(aq) + Ca(OH)2(aq) = CaCl2(s) + H2O(g) + NH3(aq) =>
2 NH4Cl(aq) + Ca(OH)2(aq) = CaCl2(s) + 2 H2O(g) + 2 NH3(aq)
C12H22O11 + H2O = C12H22O11H2O =>
C12H22O11 + H2O = C12H22O11H2O
Na(CO3)2 + HCH3COO = CO2 + H2O + NaCH3OO =>
8 Na(CO3)2 + 7 HCH3COO = 22 CO2 + 2 H2O + 8 NaCH3OO
CH4 + Br2 = CH2Br2 + HBr =>
CH4 + 2 Br2 = CH2Br2 + 2 HBr
Br2 + KClO3 + H2SO4 + HOH = HBrO3 + K2SO4 + HCl =>
6 Br2 + 10 KClO3 + 5 H2SO4 + 6 HOH = 12 HBrO3 + 5 K2SO4 + 10 HCl
CuCO3 + C3H8 + SO4 = CO2 + CuSO4 + H2O =>
10 CuCO3 + C3H8 + 10 SO4 = 13 CO2 + 10 CuSO4 + 4 H2O
S2O3{2-} + Cl2 + OH{-} = SO4{2-} + Cl{-} + H2O =>
S2O3{2-} + 4 Cl2 + 10 OH{-} = 2 SO4{2-} + 8 Cl{-} + 5 H2O
FeCl3 + KNCS = Fe(NCS)3 + KCl =>
FeCl3 + 3 KNCS = Fe(NCS)3 + 3 KCl
HCl + Mg = MgCl2 + H2 =>
2 HCl + Mg = MgCl2 + H2
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
XX2H2S = XS + HX =>
XX2H2S = XS + 2 HX
HO22 = O + H2O =>
2 HO22 = 43 O + H2O
CsCl(aq) + K3PO4(aq) = Cs3PO4 + KCl =>
3 CsCl(aq) + K3PO4(aq) = Cs3PO4 + 3 KCl
Na2SO4 + AuPO4 = Na3PO4 + Au2(SO4)3 =>
3 Na2SO4 + 2 AuPO4 = 2 Na3PO4 + Au2(SO4)3
I3{-} + MnO4{-} + H{+} = IO3{-} + Mn{2+} + H2O =>
5 I3{-} + 16 MnO4{-} + 38 H{+} = 15 IO3{-} + 16 Mn{2+} + 19 H2O
NO2(g) + H2O(i) = HNO3(aq) + NO(g) =>
3 NO2(g) + H2O(i) = 2 HNO3(aq) + NO(g)
MnO4{-} + SO3{2-} + H3O{+} = Mn{2+} + H2O + SO4{2-} =>
2 MnO4{-} + 5 SO3{2-} + 6 H3O{+} = 2 Mn{2+} + 9 H2O + 5 SO4{2-}
Ca(NO3)2 + K2S = Ca2S2 + KNO3 =>
2 Ca(NO3)2 + 2 K2S = Ca2S2 + 4 KNO3
H2O + D{+} = H2OD{+} =>
H2O + D{+} = H2OD{+}
C6H8O12 + O2 = CO2 + H2O =>
C6H8O12 + 2 O2 = 6 CO2 + 4 H2O
NHS2 + Fe(NO3)2 = NH(NO3)4 + SFe =>
NHS2 + 2 Fe(NO3)2 = NH(NO3)4 + 2 SFe
CaCO3 + S = Ca + C + SO3 =>
CaCO3 + S = Ca + C + SO3
KBiO3 + MnSO4 + H2SO4 = Bi2(SO4)3 + K2SO4 + HMnO4 + H2O =>
10 KBiO3 + 4 MnSO4 + 16 H2SO4 = 5 Bi2(SO4)3 + 5 K2SO4 + 4 HMnO4 + 14 H2O
HCO3{-} = CO2 + H2O + CO3{-2} =>
2 HCO3{-} = CO2 + H2O + CO3{-2}
C18H36 + CuO = H2O + CO2 + Cu =>
C18H36 + 54 CuO = 18 H2O + 18 CO2 + 54 Cu
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
AsO4{3-} + H{+} + Zn = AsH3 + H2O + Zn{2+} =>
AsO4{3-} + 11 H{+} + 4 Zn = AsH3 + 4 H2O + 4 Zn{2+}
K2[Ge(OH)4] = K2[Ge(OH)6] + Ge + KOH =>
2 K2[Ge(OH)4] = K2[Ge(OH)6] + Ge + 2 KOH
HCN = C + N + H2 =>
2 HCN = 2 C + 2 N + H2
Ca(OH)2(aq) + CO(g) = CaCO3(s) + H2(l) =>
Ca(OH)2(aq) + CO(g) = CaCO3(s) + H2(l)
NaCl + HNO3 + AgNO3 = AgCl + HNaNO3 + NO3 =>
NaCl + HNO3 + AgNO3 = AgCl + HNaNO3 + NO3
NH3 + HNO3 = NH4NO3 =>
NH3 + HNO3 = NH4NO3
XCH4 + O2 = XOH + CO2 + H2O =>
4 XCH4 + 9 O2 = 4 XOH + 4 CO2 + 6 H2O
CaC4H6O4 + H2SO4 = C2H4O2 + CaSO4 =>
CaC4H6O4 + H2SO4 = 2 C2H4O2 + CaSO4
C4H6O4 + NH3 = H2O + C4O2NH5 =>
C4H6O4 + NH3 = 2 H2O + C4O2NH5
KOH + N2H8SO4 = K2SO4 + H2O + NH3 =>
2 KOH + N2H8SO4 = K2SO4 + 2 H2O + 2 NH3
K2O + Cl2O7 = K2Cl2O8 =>
K2O + Cl2O7 = K2Cl2O8
HCl + Br2 = H2 + BrCl =>
2 HCl + Br2 = H2 + 2 BrCl
C6H4ClNO2 + NaOH = C6H4ONaNO2 + H2O + NaCl =>
C6H4ClNO2 + 2 NaOH = C6H4ONaNO2 + H2O + NaCl
HCOH + [Ag(NH3)2]OH = HCOONH4 + NH3 + Ag + H2O =>
HCOH + 2[Ag(NH3)2]OH = HCOONH4 + 3 NH3 + 2 Ag + H2O
SIH2 + O2 = SIO2 + H2O =>
2 SIH2 + 3 O2 = 2 SIO2 + 2 H2O
H2O + SiO = SiO2 + H2 =>
H2O + SiO = SiO2 + H2
Cu(NH3)4 + SO4 + HCl = CuSO4 + NH4 + Cl =>
Cu(NH3)4 + SO4 + 4 HCl = CuSO4 + 4 NH4 + 4 Cl
Na2SO3(aq) + KMnO4(aq) + H2O(l) = Na2SO4(aq) + MnO2(s) + KOH =>
3 Na2SO3(aq) + 2 KMnO4(aq) + H2O(l) = 3 Na2SO4(aq) + 2 MnO2(s) + 2 KOH
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