Équations équilibrées la veille |
Br2 + 2 NaI = 2 NaBr + I2
Co + NH4OH = [Co(NH3)6] + H2O =>
Co + 6 NH4OH = [Co(NH3)6] + 6 H2O
NiO + C = Ni + CO =>
NiO + C = Ni + CO
NiSO3 + NaCl = NiCl + NaSO3 =>
NiSO3 + NaCl = NiCl + NaSO3
K2CrO4 + SO2 + HCl = Cr2(SO4)3 + KCl + H2O =>
2 K2CrO4 + 3 SO2 + 4 HCl = Cr2(SO4)3 + 4 KCl + 2 H2O
C5H10O2 + KOH = C5H9O2K + H2O =>
C5H10O2 + KOH = C5H9O2K + H2O
Zr + S = ZrS2 =>
Zr + 2 S = ZrS2
BaO + S = Ba + SO2 =>
2 BaO + S = 2 Ba + SO2
Sn + Cu2O = SnO + Cu =>
Sn + Cu2O = SnO + 2 Cu
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
SiO + C = Si + CO =>
SiO + C = Si + CO
Na2S2O3 + NaCN = Na2SO3 + NaSCN =>
Na2S2O3 + NaCN = Na2SO3 + NaSCN
NaHCO3(s) + HC2H3O2(l) = NaC2H3O2(s) + H2O(l) + CO2(g) =>
NaHCO3(s) + HC2H3O2(l) = NaC2H3O2(s) + H2O(l) + CO2(g)
Na + I2 = NaI =>
2 Na + I2 = 2 NaI
Zr + S = ZrS2 =>
Zr + 2 S = ZrS2
BCl3 + NH3 = NH4Cl + BN =>
BCl3 + 4 NH3 = 3 NH4Cl + BN
Na[Cr(OH)4] + HNO3 = Cr(OH)3 + NaNO3 + H2O =>
Na[Cr(OH)4] + HNO3 = Cr(OH)3 + NaNO3 + H2O
Co + NH4OH = Co(OH)2 + NH4 =>
Co + 2 NH4OH = Co(OH)2 + 2 NH4
Zr + S = ZrS2 =>
Zr + 2 S = ZrS2
NiO + C = Ni + CO =>
NiO + C = Ni + CO
(NH4)2SO4 + Ba(CH3COO)2 = NH4CH3COO + BaSO4 =>
(NH4)2SO4 + Ba(CH3COO)2 = 2 NH4CH3COO + BaSO4
BaO + S = SO + Ba =>
BaO + S = SO + Ba
FeSCN{2+} + NaPO4{2-} = FePO4 + NaSCN =>
FeSCN{2+} + NaPO4{2-} = FePO4 + NaSCN
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
Cu(NO3)2 + Na2CO3 + H2O = (CuOH)2CO3 + CO2 + NaNO3 =>
2 Cu(NO3)2 + 2 Na2CO3 + H2O = (CuOH)2CO3 + CO2 + 4 NaNO3
H2O2 + N2H4 = HNO3 + H2O =>
7 H2O2 + N2H4 = 2 HNO3 + 8 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
KBr + KBrO3 + H2SO4 = K2SO4 + Br20 + H2O =>
50 KBr + 10 KBrO3 + 30 H2SO4 = 30 K2SO4 + 3 Br20 + 30 H2O
ReO2 + H2O + Cl2 = HReO4 + HCl =>
2 ReO2 + 4 H2O + 3 Cl2 = 2 HReO4 + 6 HCl
NH4Cl + Ca(OH)2 = CaCl2 + NH3 + H2O =>
2 NH4Cl + Ca(OH)2 = CaCl2 + 2 NH3 + 2 H2O
SiO + C = SiC + CO =>
SiO + 2 C = SiC + CO
Ni(NO3)2 + Br2 + KOH = NiOOH + KBr + KNO3 + H2O =>
2 Ni(NO3)2 + Br2 + 6 KOH = 2 NiOOH + 2 KBr + 4 KNO3 + 2 H2O
KMnO4 + HCl + Zn = H2O + KCl + MnCl2 + ZnMnO4 =>
6 KMnO4 + 8 HCl + 5 Zn = 4 H2O + 6 KCl + MnCl2 + 5 ZnMnO4
HC2H3O2(l) + NaHCO3(s) = CO2(g) + H2O(l) + NaC2H3O2(aq) =>
HC2H3O2(l) + NaHCO3(s) = CO2(g) + H2O(l) + NaC2H3O2(aq)
HCO2K = HCO2 + K =>
HCO2K = HCO2 + K
P4O8 + NaOH = Na2HPO4 + Na2HPO3 + H2O =>
P4O8 + 8 NaOH = 2 Na2HPO4 + 2 Na2HPO3 + 2 H2O
Se6 + O2 = SeO3 =>
Se6 + 9 O2 = 6 SeO3
KMnO4 + NaOH + NaHSO3 = Na2MnO4 + H2O + K2SO4 =>
2 KMnO4 + 3 NaOH + NaHSO3 = 2 Na2MnO4 + 2 H2O + K2SO4
HCl + Mg = H2 + MgCl2 =>
2 HCl + Mg = H2 + MgCl2
Mo + HF + HNO3 = H2[MoF8] + NO + H2O =>
Mo + 8 HF + 2 HNO3 = H2[MoF8] + 2 NO + 4 H2O
SiO + C = SiC + CO2 =>
2 SiO + 3 C = 2 SiC + CO2
H3PO4 + (NaOH)3 = Na3PO4 + (H2O)3 =>
H3PO4 + (NaOH)3 = Na3PO4 + (H2O)3
Sr(OH)2 + NH4ClO3 = Sr(ClO3)2 + H2O + NH3 =>
Sr(OH)2 + 2 NH4ClO3 = Sr(ClO3)2 + 2 H2O + 2 NH3
Co + NH4OH = Co(OH)3 + NH4 =>
Co + 3 NH4OH = Co(OH)3 + 3 NH4
C6H5COOH = C6H6 + CO2 =>
C6H5COOH = C6H6 + CO2
NiO + C = Ni + CO =>
NiO + C = Ni + CO
S + BaO = BaS + O =>
S + BaO = BaS + O
CuNO3H2S = CuSNO3H2 =>
CuNO3H2S = CuSNO3H2
NaMnO4 + FeSO4 = Fe(MnO4)2 + Na2SO4 =>
2 NaMnO4 + FeSO4 = Fe(MnO4)2 + Na2SO4
NiO + C = Ni + CO =>
NiO + C = Ni + CO
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