| Équations équilibrées la veille |
Na2S + 4 HNO3 = 2 H2O + S + Na2(NO3)2 + 2 NO2
NaPO3 + Cu(SO3)2 = NaSO3 + Cu(PO3)2 =>
2 NaPO3 + Cu(SO3)2 = 2 NaSO3 + Cu(PO3)2
CrBr3 + H2O2 + NaOH = Na2CrO4 + H2O + BrOH =>
2 CrBr3 + 9 H2O2 + 4 NaOH = 2 Na2CrO4 + 8 H2O + 6 BrOH
NaH + CuSO4 = CuH + NaSO4 =>
NaH + CuSO4 = CuH + NaSO4
H2SO4 + H2O2 + KFeCN = K2SO4 + Fe2(SO4)3 + NO + CO2 + H2O =>
4 H2SO4 + 10 H2O2 + 2 KFeCN = K2SO4 + Fe2(SO4)3 + 2 NO + 2 CO2 + 14 H2O
Ca + Br = BrCa2 =>
2 Ca + Br = BrCa2
Al(NO3)3 + NH4 + OH = Al(OH)3 + NH4NO3 =>
Al(NO3)3 + 3 NH4 + 3 OH = Al(OH)3 + 3 NH4NO3
C + Cr = Cr3C2 =>
2 C + 3 Cr = Cr3C2
Fe(OH)2 + Na2SO3 + Fe2(SO4)3 = H2O + Na2SO4 + FeSO4 =>
Fe(OH)2 + Na2SO3 + Fe2(SO4)3 = H2O + Na2SO4 + 3 FeSO4
Ca(HO)2 + H3PO4 = Ca3(PO4)2 + HOH =>
3 Ca(HO)2 + 2 H3PO4 = Ca3(PO4)2 + 6 HOH
SO2(g) + Cl2 = SO2Cl2 =>
SO2(g) + Cl2 = SO2Cl2
Se + HCl = SeCl3 + H2 =>
2 Se + 6 HCl = 2 SeCl3 + 3 H2
Na2MnO4 + SO2 + HNO3 = NaNO3 + Mn(NO3)2 + H2SO4 =>
Na2MnO4 + 2 SO2 + 4 HNO3 = 2 NaNO3 + Mn(NO3)2 + 2 H2SO4
AgNO2 + Al(ClO3)3 = AgClO3 + Al(NO2)3 =>
3 AgNO2 + Al(ClO3)3 = 3 AgClO3 + Al(NO2)3
AgC2O4 + NaOH = Ag2O + H2O + NaC2O4 =>
2 AgC2O4 + 2 NaOH = Ag2O + H2O + 2 NaC2O4
ZnOHCl + H2SO4 = Zn2SO4 + H2O + Cl2 =>
2 ZnOHCl + H2SO4 = Zn2SO4 + 2 H2O + Cl2
Na2 + SO3 = NaS + Na2SO4 =>
7 Na2 + 8 SO3 = 2 NaS + 6 Na2SO4
CuSO4(s) + NaOH(aq) = Cu(OH)2(aq) + Na2SO4(aq) =>
CuSO4(s) + 2 NaOH(aq) = Cu(OH)2(aq) + Na2SO4(aq)
Co(OH)2 + Cl2 + NaOH = Co(OH)3 + NaCl =>
2 Co(OH)2 + Cl2 + 2 NaOH = 2 Co(OH)3 + 2 NaCl
Cu2Cl2 + HNO3 = Cu(NO3)2 + CuCl2 + NO + H2O =>
3 Cu2Cl2 + 8 HNO3 = 3 Cu(NO3)2 + 3 CuCl2 + 2 NO + 4 H2O
KBrO3 + P4 = KBr + P2O5 =>
10 KBrO3 + 3 P4 = 10 KBr + 6 P2O5
CH3CH2COH2 + O2 = CO2 + H2O =>
4 CH3CH2COH2 + 17 O2 = 12 CO2 + 14 H2O
Mg(HCO3)2 + CH3COOH = CO2 + H2O + Mg(C2H3O2)2 =>
Mg(HCO3)2 + 2 CH3COOH = 2 CO2 + 2 H2O + Mg(C2H3O2)2
HMnO4 + KBr = HBr + KMnO4 =>
HMnO4 + KBr = HBr + KMnO4
Cu(OH)2 + CH3COO + H2O = Cu(CH3COO)2CuO(H2O)6 + O2 =>
4 Cu(OH)2 + 4 CH3COO + 8 H2O = 2 Cu(CH3COO)2CuO(H2O)6 + O2
CH2 + HCl = CH3CH2Cl =>
2 CH2 + HCl = CH3CH2Cl
Sn(s) + Cu(CH3COO)2(aq) = Sn(CH3COO)2(aq) + Cu(s) =>
Sn(s) + Cu(CH3COO)2(aq) = Sn(CH3COO)2(aq) + Cu(s)
(CH)6(l) + O2(g) = CO2(g) + H2O(g) =>
2(CH)6(l) + 15 O2(g) = 12 CO2(g) + 6 H2O(g)
Na2S2O3 + NH4Cl = (NH4)2S2O3 + NaCl =>
Na2S2O3 + 2 NH4Cl = (NH4)2S2O3 + 2 NaCl
As2S3 + HNO3 = H3AsO4 + S + NO2 + H2O =>
As2S3 + 10 HNO3 = 2 H3AsO4 + 3 S + 10 NO2 + 2 H2O
AgCl + NH{3} = Ag(NH{3}) + Cl =>
AgCl + NH{3} = Ag(NH{3}) + Cl
Ca(OH)2(aq) + HCl = CaCl2 + H2O(l) =>
Ca(OH)2(aq) + 2 HCl = CaCl2 + 2 H2O(l)
C3H3COOH + CH3OH = C3H7COOCH3 + H2O =>
C3H3COOH + 6 CH3OH = 2 C3H7COOCH3 + 4 H2O
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
Na2S2O3 + I2 = Na2S4O6I + Na =>
4 Na2S2O3 + I2 = 2 Na2S4O6I + 4 Na
FeCl2 + C4H6O4 = C4H4FeO4 + HCl =>
FeCl2 + C4H6O4 = C4H4FeO4 + 2 HCl
CSO4 + Na2O3H2 = Na2SO4 + CO2 + H2O =>
CSO4 + Na2O3H2 = Na2SO4 + CO2 + H2O
C20H14O4 = C20O4 + H14 =>
C20H14O4 = C20O4 + H14
K3(Fe(SCN)6) + Na2Cr2O7 + H2SO4 = Fe(NO3)3 + CrSO4 + CO2 + H2O + Na2SO4 + KNO3 =>
K3(Fe(SCN)6) + 12 Na2Cr2O7 + 30 H2SO4 = Fe(NO3)3 + 24 CrSO4 + 6 CO2 + 30 H2O + 12 Na2SO4 + 3 KNO3
PO4 + HClO = HPO4 + ClO =>
PO4 + HClO = HPO4 + ClO
ArOH + CaCO3 = Ca(OH)2 + Ar + CO3 =>
2 ArOH + CaCO3 = Ca(OH)2 + 2 Ar + CO3
Al + NaNO3 + H2O + NaOH = NaAlO2 + NH3 =>
8 Al + 3 NaNO3 + 2 H2O + 5 NaOH = 8 NaAlO2 + 3 NH3
Cu(OH)2 + S{2-} = CuS + OH{-} =>
Cu(OH)2 + S{2-} = CuS + 2 OH{-}
MgOH2 + HF = MgHF + H2O =>
MgOH2 + HF = MgHF + H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Ca3(PO4)2 + Fe(OH)3 = Fe3(PO4)3 + Ca(OH)2 =>
3 Ca3(PO4)2 + 6 Fe(OH)3 = 2 Fe3(PO4)3 + 9 Ca(OH)2
NaOH + As4O6 = Na3AsO3 + H2O =>
12 NaOH + As4O6 = 4 Na3AsO3 + 6 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CH4 + Cl = C + HCl =>
CH4 + 4 Cl = C + 4 HCl
KCN + Fe(CN)3 = K3[Fe(CN)6] =>
3 KCN + Fe(CN)3 = K3[Fe(CN)6]
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Équations équilibrées sur12/19/24
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