| Équations équilibrées la veille |
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Zn + HBrO3 + H2SO4 = ZnSO4 + Br2 + H2O =>
5 Zn + 2 HBrO3 + 5 H2SO4 = 5 ZnSO4 + Br2 + 6 H2O
Fe3O3(s) = Fe(s) + O2(s) =>
2 Fe3O3(s) = 6 Fe(s) + 3 O2(s)
CuSO4 + H2Cl = CuCl2 + SO2 + H2O =>
CuSO4 + 2 H2Cl = CuCl2 + SO2 + 2 H2O
K3(PO4) + NaCl = Na3(PO4) + KCl =>
K3(PO4) + 3 NaCl = Na3(PO4) + 3 KCl
Co + H2 + P + O2 = Co(HPO4)3 =>
2 Co + 3 H2 + 6 P + 12 O2 = 2 Co(HPO4)3
C6H4(OH)COOH + CH3COCl = C6H4(CO2CH3)COOH + HCl =>
C6H4(OH)COOH + CH3COCl = C6H4(CO2CH3)COOH + HCl
Au3{+} + Cu = Au + Cu2{+} =>
Au3{+} + 2 Cu = 3 Au + Cu2{+}
Al(ClO3)3 + KBr = AlBr3 + KClO3 =>
Al(ClO3)3 + 3 KBr = AlBr3 + 3 KClO3
Ba(OH)2 + Na2SO4 = BaSO4 + Na(OH) =>
Ba(OH)2 + Na2SO4 = BaSO4 + 2 Na(OH)
C5H7 + O2 = C02 + H2O =>
4 C5H7 + 7 O2 = 10 C02 + 14 H2O
Zn3N2 + Cl2 = ZnCl2 + N2 =>
Zn3N2 + 3 Cl2 = 3 ZnCl2 + N2
FeSO4 + NH3 + H2O = (NH4)2SO4 + Fe(OH)2 =>
FeSO4 + 2 NH3 + 2 H2O = (NH4)2SO4 + Fe(OH)2
CH3CHO + Cu(OH)2 + OH{-} = CH3CCO{-} + Cu2O + H2O =>
3 CH3CHO + 2 Cu(OH)2 + 2 OH{-} = 2 CH3CCO{-} + Cu2O + 6 H2O
Na2[Sn(OH)4] + Br2 + NaOH = Na2[Sn(OH)6] + NaBr =>
Na2[Sn(OH)4] + Br2 + 2 NaOH = Na2[Sn(OH)6] + 2 NaBr
Zn + C2H4O2(s) = H2 + Zn(O2CCH3)2 =>
Zn + 2 C2H4O2(s) = H2 + Zn(O2CCH3)2
K2Cr2O7 + H2SO4 + Na2SO3 = Cr(SO4) + K2SO4 + Na2SO4 + H2O =>
K2Cr2O7 + 3 H2SO4 + 4 Na2SO3 = 2 Cr(SO4) + K2SO4 + 4 Na2SO4 + 3 H2O
H2CO3 = CO2(ac) + H2O =>
H2CO3 = CO2(ac) + H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Fe1O3 + C1O1 = Fe1 + C1O2 =>
Fe1O3 + 3 C1O1 = Fe1 + 3 C1O2
Sc + HCl = Sc{3} + Cl{-} + H =>
Sc + 3 HCl = Sc{3} + 3 Cl{-} + 3 H
Mn(NO3)2 + Na2S = MnS + NaNO3 =>
Mn(NO3)2 + Na2S = MnS + 2 NaNO3
Fe(OH)2 + SO4{2-} + H{+} + e = FeS2 + H2O =>
Fe(OH)2 + 2 SO4{2-} + 18 H{+} + 14e = FeS2 + 10 H2O
Na + HoH = NaHoH =>
Na + HoH = NaHoH
Li(s) + F2(g) = LiF(aq) =>
2 Li(s) + F2(g) = 2 LiF(aq)
C3H3(NO3)3 = CO2 + N2 + H2O + O2 =>
4 C3H3(NO3)3 = 12 CO2 + 6 N2 + 6 H2O + 3 O2
BaCO3 + HCl = BaCl2 + H2O + CO2 =>
BaCO3 + 2 HCl = BaCl2 + H2O + CO2
Zn + MnO4{-} + H2O = Zn2{+} + MnO2 + OH{-} =>
6 Zn + MnO4{-} + 2 H2O = 3 Zn2{+} + MnO2 + 4 OH{-}
HCl + Cu2CO3 = H2CO3 + CuCl =>
2 HCl + Cu2CO3 = H2CO3 + 2 CuCl
F2 + AgCl = Cl2 + AgF2 =>
2 F2 + 2 AgCl = Cl2 + 2 AgF2
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2SO4 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 118 KMnO4 + 281 H2SO4 = 158 KHSO4 + 5 Fe2SO4 + 118 MnSO4 + 60 HNO3 + 60 CO2 + 172 H2O
Fe{2+} + Co = Fe + Co{3+} =>
3 Fe{2+} + 2 Co = 3 Fe + 2 Co{3+}
CrCl2 + H2 = Cr + HCl =>
CrCl2 + H2 = Cr + 2 HCl
Cr2O3 + NaNO3 + KOH = KCrO4 + NaNO2 + H2O =>
Cr2O3 + 4 NaNO3 + 2 KOH = 2 KCrO4 + 4 NaNO2 + H2O
C6H4(OH)2 + H2O2 = C6H4O2 + H2O =>
C6H4(OH)2 + H2O2 = C6H4O2 + 2 H2O
Cr(OH)3 + H3PO4 = Cr(H2PO4)3 + H2O =>
Cr(OH)3 + 3 H3PO4 = Cr(H2PO4)3 + 3 H2O
Na4 + Si = Na4Si =>
Na4 + Si = Na4Si
HCl + CO2 = CO2(HCl)2 =>
2 HCl + CO2 = CO2(HCl)2
CaCl2 + (CuOH)2CO3 = (CuOH)2Cl2 + CaCO3 =>
CaCl2 + (CuOH)2CO3 = (CuOH)2Cl2 + CaCO3
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
N2O3 + NO2 = N3O5 =>
N2O3 + NO2 = N3O5
CrCl3() + H2S() = Cr2S3() + HCl() =>
2 CrCl3() + 3 H2S() = Cr2S3() + 6 HCl()
ZrCl4 + NaOH = Zr(OH)4 + NaCl =>
ZrCl4 + 4 NaOH = Zr(OH)4 + 4 NaCl
Al + FeBr3 = AlBr3 + Fe =>
Al + FeBr3 = AlBr3 + Fe
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
AgNO3 + Li3PO4 = AgPO4 + Li3NO3 =>
AgNO3 + Li3PO4 = AgPO4 + Li3NO3
CuSO4 + H2O = CuO + H2SO4 =>
CuSO4 + H2O = CuO + H2SO4
C17H14O7 + O2(g) = CO2(g) + H2O(g) =>
C17H14O7 + 17 O2(g) = 17 CO2(g) + 7 H2O(g)
CuSO4 + H2O = CuO + H2SO4 =>
CuSO4 + H2O = CuO + H2SO4
FeO3(s) + CO(g) = Fe(l) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(l) + 3 CO2(g)
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Équations équilibrées sur10/18/24
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