Équations équilibrées la veille |
2 Cr(NO3)3 + 4 NaOH + 3 H2O2 = 2 Na2CrO4 + 6 HNO3 + 2 H2O
H2Ce = H2 + Ce =>
H2Ce = H2 + Ce
V2O5 + CaS = CaO + V2S5 =>
V2O5 + 5 CaS = 5 CaO + V2S5
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
SO2 + Li2Se = SSe2 + Li2O =>
SO2 + 2 Li2Se = SSe2 + 2 Li2O
SiO2 + CO = SiO + CO2 =>
SiO2 + CO = SiO + CO2
MnO2 + Cl2 + KOH = K2MnO4 + KCl + H2O =>
MnO2 + Cl2 + 4 KOH = K2MnO4 + 2 KCl + 2 H2O
(NH4)2SO4 + C2O4Sn = C2H8N2O4 + SnSO4 =>
(NH4)2SO4 + C2O4Sn = C2H8N2O4 + SnSO4
Cr2(SO4)3 + NaNO3 = Cr(NO3)3 + Na2(SO4) =>
Cr2(SO4)3 + 6 NaNO3 = 2 Cr(NO3)3 + 3 Na2(SO4)
NaOH + H3PO4 = Na2HPO4 + H2O =>
2 NaOH + H3PO4 = Na2HPO4 + 2 H2O
C4H10 + O2 = CO + H2O =>
2 C4H10 + 9 O2 = 8 CO + 10 H2O
FeS + O2 = Fe2O + SO2 =>
4 FeS + 5 O2 = 2 Fe2O + 4 SO2
NaCl + AgNO3 = Na(NO3) + AgCl =>
NaCl + AgNO3 = Na(NO3) + AgCl
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
HNO3 + HI = NO2 + HIO3 + H2O =>
6 HNO3 + HI = 6 NO2 + HIO3 + 3 H2O
NaOH + H3PO4 = Na2HPO4 + H2O =>
2 NaOH + H3PO4 = Na2HPO4 + 2 H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
AlCl3 + Cs = CsCl + Al =>
AlCl3 + 3 Cs = 3 CsCl + Al
H3PO4 + KOH = K3PO4 + H2O =>
H3PO4 + 3 KOH = K3PO4 + 3 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
CH3CH(H)OH = CH3COH + H2 =>
CH3CH(H)OH = CH3COH + H2
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Fe2S3 + HCN = Fe(CN)3 + H2S =>
Fe2S3 + 6 HCN = 2 Fe(CN)3 + 3 H2S
Al4C3 + H2O = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O = 4 Al(OH)3 + 3 CH4
Fe(NO3)3 + Zn(NO3)2 + C10H16N2O8 = ZnFe2O4 + CO2 + N2 + H2O =>
2 Fe(NO3)3 + Zn(NO3)2 + C10H16N2O8 = ZnFe2O4 + 10 CO2 + 5 N2 + 8 H2O
Al2(SO4)3 + Na2SO3 = Al2(SO3)3 + Na2SO4 =>
Al2(SO4)3 + 3 Na2SO3 = Al2(SO3)3 + 3 Na2SO4
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
KNO2 + KMnO4 + H2O = KNO3 + Mn02 + KOH =>
7 KNO2 + 2 KMnO4 + H2O = 7 KNO3 + Mn02 + 2 KOH
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
H2SO4 + K2Cr2O7 = K2SO4 + Cr2(SO4)3 + H2O + O3 =>
4 H2SO4 + K2Cr2O7 = K2SO4 + Cr2(SO4)3 + 4 H2O + O3
MnS + O2 + H2O = Mn(OH)2 + S =>
2 MnS + O2 + 2 H2O = 2 Mn(OH)2 + 2 S
Sodium + Water = Sodiumhydroxide + Hydrogen =>
2 Na + 2 H2O = 2 NaOH + H2
CH3COONa + HOH + FeCl3 = CH3COOH + Fe(OH)3 + NaCl =>
3 CH3COONa + 3 HOH + FeCl3 = 3 CH3COOH + Fe(OH)3 + 3 NaCl
Fe3O4 + H2 = Fe + H2O =>
Fe3O4 + 4 H2 = 3 Fe + 4 H2O
Sr + C2H3O2 = Sr(C2H3O2)2 =>
Sr + 2 C2H3O2 = Sr(C2H3O2)2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
K2OH3PO4 = K2PO4H2OH =>
K2OH3PO4 = K2PO4H2OH
Ca + AlBr3 = Al + CaBr2 =>
3 Ca + 2 AlBr3 = 2 Al + 3 CaBr2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
C2H5Br + H2 = C4H10 + HBr =>
2 C2H5Br + H2 = C4H10 + 2 HBr
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
KMnO4 + Na2SO3 + NaOH = H2O + K2MnO4 + Na2MnO4 + Na2SO4 =>
2 KMnO4 + Na2SO3 + 2 NaOH = H2O + K2MnO4 + Na2MnO4 + Na2SO4
P2O5 + H2O = HPO3 =>
P2O5 + H2O = 2 HPO3
CuFl2(aq) + MgCl2(aq) = CuCl2(aq) + MgFl2(g) =>
CuFl2(aq) + MgCl2(aq) = CuCl2(aq) + MgFl2(g)
Zn2Ca = Zn + Ca =>
Zn2Ca = 2 Zn + Ca
FeCl2 + Cl2 = FeCl3 =>
2 FeCl2 + Cl2 = 2 FeCl3
CH3COONa + HOH + FeCl3 = CH3COOH + Fe(OH)3 + NaCl =>
3 CH3COONa + 3 HOH + FeCl3 = 3 CH3COOH + Fe(OH)3 + 3 NaCl
Na2ZnO2 + HCl = NaCl + ZnOHCl + H2O =>
Na2ZnO2 + 3 HCl = 2 NaCl + ZnOHCl + H2O
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