| Équations équilibrées la veille |
6 CuS + 16 HNO3 = 6 Cu(NO3)2 + 3 S2 + 4 NO + 8 H2O
N + H = HN3 =>
3 N + H = HN3
Cl2(g) + I{-}(aq) = Cl{-}(aq) + I(l) =>
Cl2(g) + 2 I{-}(aq) = 2 Cl{-}(aq) + 2 I(l)
CsBr + KIO3 = CsIO3 + KBr =>
CsBr + KIO3 = CsIO3 + KBr
KClO3 + Zn + NaOH = NaZnO + KCl + H2O =>
KClO3 + 6 Zn + 6 NaOH = 6 NaZnO + KCl + 3 H2O
Cu + NaMnO4 = CuMnO4 + Na =>
Cu + NaMnO4 = CuMnO4 + Na
KBrO3 = KBr + KBrO4 =>
4 KBrO3 = KBr + 3 KBrO4
H2SO3 + KMnO4 = H2O + H2SO4 + K2SO4 + MnSO4 =>
5 H2SO3 + 2 KMnO4 = 3 H2O + 2 H2SO4 + K2SO4 + 2 MnSO4
Al2(SO4)3(aq) + SrBr2(aq) = AlBr3(aq) + SrSO4(s) =>
Al2(SO4)3(aq) + 3 SrBr2(aq) = 2 AlBr3(aq) + 3 SrSO4(s)
NH4VO3 + HCl + Zn = VO + (NH4)Cl + H2O + ZnCl2 =>
2 NH4VO3 + 8 HCl + 3 Zn = 2 VO + 2(NH4)Cl + 4 H2O + 3 ZnCl2
MgO + N2O5 = MgNO + O =>
2 MgO + N2O5 = 2 MgNO + 5 O
SbCl3 + H2S = Sb2S3 + ClH =>
2 SbCl3 + 3 H2S = Sb2S3 + 6 ClH
Cl2(g) + I{-}(aq) = Cl{-}(aq) + I2(l) =>
Cl2(g) + 2 I{-}(aq) = 2 Cl{-}(aq) + I2(l)
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
(C2H5OO)4Cu + C2H5OH = C2H5OOC2H5 + Cu(OH)4 =>
(C2H5OO)4Cu + 4 C2H5OH = 4 C2H5OOC2H5 + Cu(OH)4
C6H4(OH)2 + KBrO3 = C6H4O2 + KBr + H2O =>
3 C6H4(OH)2 + KBrO3 = 3 C6H4O2 + KBr + 3 H2O
EtOH + H2SO4 + NaBr = EtBr + H2O + NaHSO4 =>
EtOH + H2SO4 + NaBr = EtBr + H2O + NaHSO4
KOH + HClO4 = H2O + KClO4 =>
KOH + HClO4 = H2O + KClO4
K2Cr2O7 + Fe = FeCr2O7 + K =>
K2Cr2O7 + Fe = FeCr2O7 + 2 K
O2 + H2 + Li = LiOH =>
O2 + H2 + 2 Li = 2 LiOH
Ag(NO3)2(aq) + KCl(aq) = AgCl2(s) + KNO3(aq) =>
Ag(NO3)2(aq) + 2 KCl(aq) = AgCl2(s) + 2 KNO3(aq)
C16H34 + CaO = H2O + CO2 + Ca =>
C16H34 + 49 CaO = 17 H2O + 16 CO2 + 49 Ca
CrSO4 + Na2CO3 + KNO3 = Na2CrO3 + Na2SO4 + KNO2 + CO2 =>
CrSO4 + 2 Na2CO3 + KNO3 = Na2CrO3 + Na2SO4 + KNO2 + 2 CO2
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
FeS2 + O = Fe3 + SO2 =>
3 FeS2 + 12 O = Fe3 + 6 SO2
Cl2(g) + I{-}(aq) = I2(s) + Cl{-}(aq) =>
Cl2(g) + 2 I{-}(aq) = I2(s) + 2 Cl{-}(aq)
MnO + CO = Mn2O + CO2 =>
2 MnO + CO = Mn2O + CO2
I2 + CuBr2 = I2Br2 + Cu =>
I2 + CuBr2 = I2Br2 + Cu
KF(s) + H2SO4(aq) = KHSO4(aq) + HF(s) =>
KF(s) + H2SO4(aq) = KHSO4(aq) + HF(s)
Zn(s) + CO2(g) = ZnO + C(s) =>
2 Zn(s) + CO2(g) = 2 ZnO + C(s)
HBr(l) + O2(l) = Br(l) + H2O(l) =>
4 HBr(l) + O2(l) = 4 Br(l) + 2 H2O(l)
K2CrO4 + NiSO4 + H2SO4 = K2SO4 + Cr2(SO4)3 + Ni2(SO4)3 + H2O =>
2 K2CrO4 + 6 NiSO4 + 8 H2SO4 = 2 K2SO4 + Cr2(SO4)3 + 3 Ni2(SO4)3 + 8 H2O
KMnO4 + H4Si = MnO2 + K2SiO3 + KOH + H2O =>
8 KMnO4 + 3 H4Si = 8 MnO2 + 3 K2SiO3 + 2 KOH + 5 H2O
S4C2 = S2C =>
S4C2 = 2 S2C
HCl + BrO3 + KBr = KCl + Br + H2O =>
6 HCl + BrO3 + 6 KBr = 6 KCl + 7 Br + 3 H2O
NaOH + H3As04 = Na3As04 + H2O =>
3 NaOH + H3As04 = Na3As04 + 3 H2O
Ba(OH)2 + CuO = Cu(OH)2 + BaO =>
Ba(OH)2 + CuO = Cu(OH)2 + BaO
NaOH + KSO = NaSO + KOH =>
NaOH + KSO = NaSO + KOH
H2SiO3 + Mn = Mn2(SiO3)3 + H2 =>
3 H2SiO3 + 2 Mn = Mn2(SiO3)3 + 3 H2
FeCl3 + Na2SO3 + H2O = Na2SO4 + HCl + FeCl2 =>
2 FeCl3 + Na2SO3 + H2O = Na2SO4 + 2 HCl + 2 FeCl2
S + Cl = S2(Cl2)2 =>
2 S + 4 Cl = S2(Cl2)2
CuCl2 + CaOH = Cu(OH)2 + CaCl =>
CuCl2 + 2 CaOH = Cu(OH)2 + 2 CaCl
CaSiO3 + H2O = CaSiH2O4 =>
CaSiO3 + H2O = CaSiH2O4
CrBr3 + Na2S = Cr2S3 + NaBr =>
2 CrBr3 + 3 Na2S = Cr2S3 + 6 NaBr
KI + NaBrO3 + HCl = KCl + NaBr + H2O + I2 =>
6 KI + NaBrO3 + 6 HCl = 6 KCl + NaBr + 3 H2O + 3 I2
Cr2(SO4)3 + BaS + H2O = Cr2O3 + BaSO4 + H2S =>
Cr2(SO4)3 + 3 BaS + 3 H2O = Cr2O3 + 3 BaSO4 + 3 H2S
Na2S(aq) + AgNO3(aq) = Ag2S + NaNO3 =>
Na2S(aq) + 2 AgNO3(aq) = Ag2S + 2 NaNO3
PBr3(s) + H2O(l) = H3PO3(aq) + HBr(aq) =>
PBr3(s) + 3 H2O(l) = H3PO3(aq) + 3 HBr(aq)
Cr2S3 + Cl2 + KOH = K2CrO4 + K2SO4 + KCl + H2O =>
Cr2S3 + 15 Cl2 + 40 KOH = 2 K2CrO4 + 3 K2SO4 + 30 KCl + 20 H2O
AgI + H2O = HI + Ag2O =>
2 AgI + H2O = 2 HI + Ag2O
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