| Équations équilibrées la veille |
K2MnO4 + 2 Mg + 4 H2SO4 = MnSO4 + 2 MgSO4 + K2SO4 + 4 H2O
Al2S3 + H2O + NaCl = Na2SO4 + Cl2 + H2 + Al2(SO4) =>
Al2S3 + 12 H2O + 4 NaCl = 2 Na2SO4 + 2 Cl2 + 12 H2 + Al2(SO4)
PbO + CaCO3 = PbCO3 + CaO =>
PbO + CaCO3 = PbCO3 + CaO
Ph(C2H5)2 + KMnO4 + H2SO4 = Ph(COOH)2 + MnSO4 + K2SO4 + HCOOH + H2O =>
Ph(C2H5)2 + 4 KMnO4 + 6 H2SO4 = Ph(COOH)2 + 4 MnSO4 + 2 K2SO4 + 2 HCOOH + 8 H2O
Ba + AlI3 = BaI2 + Al =>
3 Ba + 2 AlI3 = 3 BaI2 + 2 Al
Zn + Ag(NO3) = Zn(NO3)2 + Ag =>
Zn + 2 Ag(NO3) = Zn(NO3)2 + 2 Ag
BaCl2(ac) + K2CrO4(ac) = BaCrO4(s) + KCl(ac) =>
BaCl2(ac) + K2CrO4(ac) = BaCrO4(s) + 2 KCl(ac)
PtCl4(s) = Pt(s) + Cl2(g) =>
PtCl4(s) = Pt(s) + 2 Cl2(g)
Be + NO3 = Be(NO3)2 =>
Be + 2 NO3 = Be(NO3)2
H3BO3 + H2O = H3O + H2BO3 =>
H3BO3 + H2O = H3O + H2BO3
Ru + NaNO3 + NaOH = Na2RuO4 + NaNO2 + H2O =>
Ru + 3 NaNO3 + 2 NaOH = Na2RuO4 + 3 NaNO2 + H2O
BrH + H2SO4 = Br2 + SO2 + H2O =>
2 BrH + H2SO4 = Br2 + SO2 + 2 H2O
Na + K4[Fe(CN)6] = NaCN + KCN + Fe =>
2 Na + K4[Fe(CN)6] = 2 NaCN + 4 KCN + Fe
C6H8O6 + I2 = C6H6O6 + H{+} + I{-} =>
C6H8O6 + I2 = C6H6O6 + 2 H{+} + 2 I{-}
CH + OH = CH2O =>
CH + OH = CH2O
OH + H6C3O3 = H2O + H5C3O3 =>
OH + H6C3O3 = H2O + H5C3O3
MnSO4 + Na2O2 = Na2MnO4 + Na2SO4 =>
MnSO4 + 2 Na2O2 = Na2MnO4 + Na2SO4
LiOH + FH = LiF + H2O =>
LiOH + FH = LiF + H2O
KAg(CN)2 + Zn = Ag + Zn(CN)2 + K(CN) =>
2 KAg(CN)2 + Zn = 2 Ag + Zn(CN)2 + 2 K(CN)
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Cs + H2CrO4 = Cs2CrO4 + H2 =>
2 Cs + H2CrO4 = Cs2CrO4 + H2
KMnO4 + HBr + H2S = KBr + MnBr2 + H2O + S =>
2 KMnO4 + 6 HBr + 5 H2S = 2 KBr + 2 MnBr2 + 8 H2O + 5 S
K2CrO4 + Hg + H2SO4 = Cr2(SO4)3 + K2SO4 + HgSO4 + H2O =>
2 K2CrO4 + 3 Hg + 8 H2SO4 = Cr2(SO4)3 + 2 K2SO4 + 3 HgSO4 + 8 H2O
CuCl2 + HCHO + NaOH = Cu(OH) + NaCl + H2O + HCOONa =>
2 CuCl2 + HCHO + 5 NaOH = 2 Cu(OH) + 4 NaCl + 2 H2O + HCOONa
SCN{-} + Ba{2+} + H2O2 = BaSO4 + CN + H2O + H{+} =>
2 SCN{-} + 2 Ba{2+} + 7 H2O2 = 2 BaSO4 + 2 CN + 6 H2O + 2 H{+}
Cr2O3 + CO = Cr + CO2 =>
Cr2O3 + 3 CO = 2 Cr + 3 CO2
Sn + H2SO4 = Sn2(SO4)4 + SO2 + H2O =>
2 Sn + 8 H2SO4 = Sn2(SO4)4 + 4 SO2 + 8 H2O
CO + KMnO4 + HNO3 = CO2 + H2O + KNO3 + Mn(NO3)2 =>
5 CO + 2 KMnO4 + 6 HNO3 = 5 CO2 + 3 H2O + 2 KNO3 + 2 Mn(NO3)2
CrO7{+2} + NO2{-} + H{+} = Cr{3+} + NO3{-} + H2O =>
2 CrO7{+2} + 13 NO2{-} + 2 H{+} = 2 Cr{3+} + 13 NO3{-} + H2O
B(OH)3 + Na2CO3 = Na2B4O7 + H2O + CO2 =>
4 B(OH)3 + Na2CO3 = Na2B4O7 + 6 H2O + CO2
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
PbCl2(aq) + Na2SO4 = PbSO4(s) + NaCl(aq) =>
PbCl2(aq) + Na2SO4 = PbSO4(s) + 2 NaCl(aq)
ZnSO4CuCl2 = CuSO4ZnCl2 =>
ZnSO4CuCl2 = CuSO4ZnCl2
NaHCO3 + CO2 = HCO3 + NaCO2 =>
NaHCO3 + CO2 = HCO3 + NaCO2
Al2O3 + HCl + H2O = [Al(OH)6]Cl3 + H2 =>
Al2O3 + 6 HCl + 9 H2O = 2[Al(OH)6]Cl3 + 6 H2
CH3NH2(s) + O2(g) = CO2(g) + H2O(l) + N2(g) =>
4 CH3NH2(s) + 9 O2(g) = 4 CO2(g) + 10 H2O(l) + 2 N2(g)
Cu(s) + Na2S2O3(aq) = Na + CuS2O3 =>
Cu(s) + Na2S2O3(aq) = 2 Na + CuS2O3
CH3COH + CuSO4 + NaOH = Cu2O + CH3COONa + Na2SO4 + H2O =>
CH3COH + 2 CuSO4 + 5 NaOH = Cu2O + CH3COONa + 2 Na2SO4 + 3 H2O
(HCO3) + Na = NaHCO3 =>
(HCO3) + Na = NaHCO3
Cu(ClO4)2(aq) + K2CO3(aq) = CuCO3(s) + KClO4(aq) =>
Cu(ClO4)2(aq) + K2CO3(aq) = CuCO3(s) + 2 KClO4(aq)
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
NaOH + H2SO4 = H(OH) + Na2SO4 =>
2 NaOH + H2SO4 = 2 H(OH) + Na2SO4
FeCl3 + KSCN + NaCl = FeCl4KSCN + Na =>
FeCl3 + KSCN + NaCl = FeCl4KSCN + Na
CH3(CH2)2OH + O2 = CO2 + H2O =>
2 CH3(CH2)2OH + 9 O2 = 6 CO2 + 8 H2O
Cs + H2SO3 = Cs2SO3 + H2 =>
2 Cs + H2SO3 = Cs2SO3 + H2
HBr(aq) + (NH4)2CO3(aq) = CO2(g) + H2O(l) + NH4Br(aq) =>
2 HBr(aq) + (NH4)2CO3(aq) = CO2(g) + H2O(l) + 2 NH4Br(aq)
K + H2SO3 = K2SO3 + H2 =>
2 K + H2SO3 = K2SO3 + H2
Na4P2O7 + FeCl3 = Fe4(P2O7)3 + NaCl =>
3 Na4P2O7 + 4 FeCl3 = Fe4(P2O7)3 + 12 NaCl
NH4Cl + Ag = NH4 + AgCl =>
NH4Cl + Ag = NH4 + AgCl
Fe(C2O4)2{-2} + H2O2 = Fe{+3} + C2O4{-2} + OH{-} =>
2 Fe(C2O4)2{-2} + H2O2 = 2 Fe{+3} + 4 C2O4{-2} + 2 OH{-}
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