| Équations équilibrées la veille |
ZnO + 2 NaOH = H2O + Na2ZnO2
Sn + NaNO3 + H2SO4 = SnO2 + NO2 + H2O + Na2SO4 =>
Sn + 4 NaNO3 + 2 H2SO4 = SnO2 + 4 NO2 + 2 H2O + 2 Na2SO4
FeS + O2 = Fe2O3 + S0 =>
4 FeS + 3 O2 = 2 Fe2O3 + 4 S0
OPCl{3} + NH{3} = OP(NH{2}){3} + NHCl{4} =>
OPCl{3} + 2 NH{3} = OP(NH{2}){3} + NHCl{4}
La(NO3)3 + Ba(NO3)2 + (CH3COO)Mn + NaOH + H2O = LaBaMnO3 + CH3COONa + HNO3 =>
La(NO3)3 + Ba(NO3)2 + (CH3COO)Mn + NaOH + 2 H2O = LaBaMnO3 + CH3COONa + 5 HNO3
NaClAgNo3 = AgClNaNo3 =>
NaClAgNo3 = AgClNaNo3
Na + EDTA = NaEDTA =>
Na + EDTA = NaEDTA
ZnS + O2 = ZnO + S =>
2 ZnS + O2 = 2 ZnO + 2 S
CaO + H2O = Ca(OH)2(ppt) =>
CaO + H2O = Ca(OH)2(ppt)
MgCl2 + H2CO3 = MgCO3 + Cl2 + H2 =>
MgCl2 + H2CO3 = MgCO3 + Cl2 + H2
ZnS + AlP = Zn3P2 + Al2S3 =>
3 ZnS + 2 AlP = Zn3P2 + Al2S3
C13H18O2 + O2 = CO2 + H2O =>
2 C13H18O2 + 33 O2 = 26 CO2 + 18 H2O
Ca(OH)2 + H3PO3 = H2O + Ca3(PO3)2 =>
3 Ca(OH)2 + 2 H3PO3 = 6 H2O + Ca3(PO3)2
V2O5 + Ca + Si + H + O = CaVSi4O15H8 =>
V2O5 + 2 Ca + 8 Si + 16 H + 25 O = 2 CaVSi4O15H8
HgS + HNO3 + HCl = H2(HgCl4) + H2SO4 + NO + H2O =>
3 HgS + 8 HNO3 + 12 HCl = 3 H2(HgCl4) + 3 H2SO4 + 8 NO + 4 H2O
KOH = OHK =>
KOH = OHK
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Cl2(g) + Zn2(s) = ZnCl =>
Cl2(g) + Zn2(s) = 2 ZnCl
Mg(HCO3)2 + H2SO4 = MgSO4 + H2O + CO2 =>
Mg(HCO3)2 + H2SO4 = MgSO4 + 2 H2O + 2 CO2
NaOH(aq) + (NH4)2SO4(aq) = Na2SO4(aq) + NH4OH(aq) =>
2 NaOH(aq) + (NH4)2SO4(aq) = Na2SO4(aq) + 2 NH4OH(aq)
ZnS + O = ZnO + SO2 =>
ZnS + 3 O = ZnO + SO2
CaCl2(aq) + Na3Po4(aq) = Ca3(Po4)2(l) + NaCl(g) =>
3 CaCl2(aq) + 2 Na3Po4(aq) = Ca3(Po4)2(l) + 6 NaCl(g)
NaBr(s) + Cl2(g) = Br2(aq) + NaCl(aq) =>
2 NaBr(s) + Cl2(g) = Br2(aq) + 2 NaCl(aq)
CH3CH2COOH + NaHCO3 = CO2 + H2O + CH3CH2CONa =>
8 CH3CH2COOH + 7 NaHCO3 = 10 CO2 + 10 H2O + 7 CH3CH2CONa
Ca + P = Ca3P2 = =>
3 Ca + 2 P = Ca3P2
HClO3 + SO2 = ClO2 + H2SO4 =>
2 HClO3 + SO2 = 2 ClO2 + H2SO4
ZnS + HCl = ZnCl2 + H2S =>
ZnS + 2 HCl = ZnCl2 + H2S
Br + Na = NaBr(g) =>
Br + Na = NaBr(g)
Ca(OH)2 + Ba(NO3)2 = Ba(OH)2 + Ca(NO3)2 =>
Ca(OH)2 + Ba(NO3)2 = Ba(OH)2 + Ca(NO3)2
KNO3 + Cr = Cr2O3 + KNO2 =>
3 KNO3 + 2 Cr = Cr2O3 + 3 KNO2
Zn(s) + CuSO4(aq) = Zn2SO4(aq) + Cu(s) =>
2 Zn(s) + CuSO4(aq) = Zn2SO4(aq) + Cu(s)
H(aq) + NaHCO3(aq) = Na(aq) + H2O(l) + CO2(g) =>
H(aq) + NaHCO3(aq) = Na(aq) + H2O(l) + CO2(g)
NH4ClO3 = NH4Cl + O2 =>
2 NH4ClO3 = 2 NH4Cl + 3 O2
BaCO3 + H2SO4 = BaSO4H2CO3 =>
BaCO3 + H2SO4 = BaSO4H2CO3
Na2SO4 + AgI = NaI + Ag2SO4 =>
Na2SO4 + 2 AgI = 2 NaI + Ag2SO4
Na2SO3 + H3PO4 = Na2HPO4 + SO2 + H2O =>
Na2SO3 + H3PO4 = Na2HPO4 + SO2 + H2O
Na2SO4 + AgI = NaI + Ag2SO4 =>
Na2SO4 + 2 AgI = 2 NaI + Ag2SO4
KOH + CrCl2 = KCl + Cr(OH)2 =>
2 KOH + CrCl2 = 2 KCl + Cr(OH)2
Ca(NO3)2 + H2SO4 = CaSO4 + HNO3 =>
Ca(NO3)2 + H2SO4 = CaSO4 + 2 HNO3
N2O5 + HCl = NOCl3 + H2O =>
N2O5 + 6 HCl = 2 NOCl3 + 3 H2O
SnCuSO4 = SnSO4 + Cu =>
SnCuSO4 = SnSO4 + Cu
MnO2 + O = MnO3 =>
MnO2 + O = MnO3
C18H21NO3 + NaOH = C18H21OH + NaNO3 =>
C18H21NO3 + NaOH = C18H21OH + NaNO3
D2 + Ni(ND3)6Br3 = NiBr2 + ND3 + ND4Br =>
D2 + 2 Ni(ND3)6Br3 = 2 NiBr2 + 10 ND3 + 2 ND4Br
Mn(OH)2 + NaOH = Na2Mn(OH)4 =>
Mn(OH)2 + 2 NaOH = Na2Mn(OH)4
Al + C = AlC =>
Al + C = AlC
Ag2CO3 + H2 = Ag + CO2 + H2O =>
Ag2CO3 + H2 = 2 Ag + CO2 + H2O
NaHTeO3 + H2SO4 = TeO2 + Na2SO4 + H2O =>
2 NaHTeO3 + H2SO4 = 2 TeO2 + Na2SO4 + 2 H2O
Mg(NO3)2 + KOH = Mg(OH)2 + K(NO3) =>
Mg(NO3)2 + 2 KOH = Mg(OH)2 + 2 K(NO3)
CH3CH2O2 + O2 = CO2 + H2O =>
4 CH3CH2O2 + 9 O2 = 8 CO2 + 10 H2O
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Équations équilibrées sur12/15/24
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