Équations équilibrées la veille |
3 Fe + Br2 = Fe3Br2
Na2SO3 + Ba(OH)2 = Na(OH) + BaSO3 =>
Na2SO3 + Ba(OH)2 = 2 Na(OH) + BaSO3
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
Cu2CO3(OH)2 + NaCN = Na2Cu(CN)3 + Na2CO3 + NaCNO + H2O =>
Cu2CO3(OH)2 + 7 NaCN = 2 Na2Cu(CN)3 + Na2CO3 + NaCNO + H2O
Zn + HNO3 = Zn(NO3)2 + H2O + NH4NH =>
15 Zn + 34 HNO3 = 15 Zn(NO3)2 + 12 H2O + 2 NH4NH
KHC8H4O4 + KOH = K2C8H4O4 + H2O =>
KHC8H4O4 + KOH = K2C8H4O4 + H2O
Na2CO3(aq) + H2SO4(aq) = Na2SO4(aq) + H2O(l) + CO2(q) =>
Na2CO3(aq) + H2SO4(aq) = Na2SO4(aq) + H2O(l) + CO2(q)
Al + Na2O2 = Al2O3 + Na =>
4 Al + 3 Na2O2 = 2 Al2O3 + 6 Na
C13H8O + NaBH4 + CH3OH = C13H10O + C4H12BNaO4 =>
4 C13H8O + NaBH4 + 4 CH3OH = 4 C13H10O + C4H12BNaO4
Al2(SO4)3*16H2O + CH3COONa + C2H5OH = Al(C2H5OH)3 + CH3COO + Na2SO4 + H2O =>
Al2(SO4)3*16H2O + 6 CH3COONa + 6 C2H5OH = 2 Al(C2H5OH)3 + 6 CH3COO + 3 Na2SO4 + 16 H2O
PbCl2 + AgI = PbI2 + AgCl =>
PbCl2 + 2 AgI = PbI2 + 2 AgCl
(h)(NH4)2SO4 + NaOH = NH3 + H2O + Na2SO4 =>
(h)(NH4)2SO4 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO4
Pb(NO3)2 + Bi2O12S3 = Bi(NO3)3 + PbSO4 =>
3 Pb(NO3)2 + Bi2O12S3 = 2 Bi(NO3)3 + 3 PbSO4
NiCl2(aq) + F2(g) = NiF2(aq) + Cl2(g) =>
NiCl2(aq) + F2(g) = NiF2(aq) + Cl2(g)
ZnNO3 + KPO4 = KNO3 + ZnPO4 =>
ZnNO3 + KPO4 = KNO3 + ZnPO4
NaU = Na + U =>
NaU = Na + U
Cd(CNS)3 + W = W(CNS)4 + Cd =>
4 Cd(CNS)3 + 3 W = 3 W(CNS)4 + 4 Cd
HCl + Ce(OH)3 = HOH + CeCl3 =>
3 HCl + Ce(OH)3 = 3 HOH + CeCl3
C8H5N3O4 + Na2S2O4 + H2O = C8H7N3O2 + NaHSO3 =>
C8H5N3O4 + 3 Na2S2O4 + 4 H2O = C8H7N3O2 + 6 NaHSO3
NiCl2 + MnO2 + H2SO4 = NiHSO4 + MnSO4 + H2O + Cl2 =>
2 NiCl2 + MnO2 + 3 H2SO4 = 2 NiHSO4 + MnSO4 + 2 H2O + 2 Cl2
HBr + HBrO3 = Br2 + H2O3 =>
HBr + HBrO3 = Br2 + H2O3
HNO2 + K2O = KNO2 + H2O =>
2 HNO2 + K2O = 2 KNO2 + H2O
Na2SO4(aq) + Pb(NO3) = PbSO4 + Na2(NO3) =>
Na2SO4(aq) + Pb(NO3) = PbSO4 + Na2(NO3)
V + ZnBr2 = VBr3 + Zn =>
2 V + 3 ZnBr2 = 2 VBr3 + 3 Zn
[Ni(OH)4]{2-} + H{+} + H2O = [Ni(H2O)6]{2+} =>
[Ni(OH)4]{2-} + 4 H{+} + 2 H2O = [Ni(H2O)6]{2+}
FeO + HNO3 = FeO(NO3)3 + NO + H2O =>
FeO + 4 HNO3 = FeO(NO3)3 + NO + 2 H2O
K2MnO4 + KNO2 + H2SO4 = Mn(NO3)2 + K2SO4 + H2O =>
K2MnO4 + 2 KNO2 + 2 H2SO4 = Mn(NO3)2 + 2 K2SO4 + 2 H2O
Cu + O = CuO =>
Cu + O = CuO
TaS2 + Fe2O3 = Ta2O5 + FeTa3S6 + S2 =>
36 TaS2 + 5 Fe2O3 = 3 Ta2O5 + 10 FeTa3S6 + 6 S2
KHC8H4O4 + NaOH = KNaC8H4O4 + H2O =>
KHC8H4O4 + NaOH = KNaC8H4O4 + H2O
Na2S + KMnO4 + H2O = MnO0 + NaOH + S + KOH =>
5 Na2S + 2 KMnO4 + 6 H2O = 2 MnO0 + 10 NaOH + 5 S + 2 KOH
NaCl + NH3 + CO2 + H2O = NH4Cl + NaHCO3 =>
NaCl + NH3 + CO2 + H2O = NH4Cl + NaHCO3
FeCl2 + LiOH = Fe(OH)2 + LiCl =>
FeCl2 + 2 LiOH = Fe(OH)2 + 2 LiCl
Ca(oh)2 + HNO3 = Ca(NO3)2 + H2O + NO2 =>
Ca(oh)2 + 8 HNO3 = 2 Ca(NO3)2 + 4 H2O + 4 NO2
AgNO3(aq) + K2SO4(aq) = Ag2SO4(s) + KNO3(aq) =>
2 AgNO3(aq) + K2SO4(aq) = Ag2SO4(s) + 2 KNO3(aq)
MgCl + Na2O = Mg2O + NaCl =>
2 MgCl + Na2O = Mg2O + 2 NaCl
AlOH + CO3 = AlOHCO3 =>
AlOH + CO3 = AlOHCO3
KClO3 + S = KCl + SO2 =>
2 KClO3 + 3 S = 2 KCl + 3 SO2
NH4HCO3 + HOH = NH4OH + H2CO3 =>
NH4HCO3 + HOH = NH4OH + H2CO3
NaF + Ca(OH)2 = CaF2 + NaOH =>
2 NaF + Ca(OH)2 = CaF2 + 2 NaOH
Na(HCO3) + H(NO3) = Na(NO3) + H(HCO3) =>
Na(HCO3) + H(NO3) = Na(NO3) + H(HCO3)
I2 + KF = KI + F =>
I2 + 2 KF = 2 KI + 2 F
ZnCO3 + CH3COOH = Zn(CH3COOH)2 + CO2 + H2O =>
4 ZnCO3 + 9 CH3COOH = 4 Zn(CH3COOH)2 + 6 CO2 + 2 H2O
HI(aq) + CuCO3(s) = CuI(aq) + I2 + H2O(l) + CO2(g) =>
4 HI(aq) + 2 CuCO3(s) = 2 CuI(aq) + I2 + 2 H2O(l) + 2 CO2(g)
Al2O3 + CO = Al + CO2 =>
Al2O3 + 3 CO = 2 Al + 3 CO2
HCl(aq) + Na(OH)(aq) = H2O + NaCl =>
HCl(aq) + Na(OH)(aq) = H2O + NaCl
Cl2(g) + KBr(aq) = Br2(l) + KCl(aq) =>
Cl2(g) + 2 KBr(aq) = Br2(l) + 2 KCl(aq)
MoO2(s) + CH4(g) = Mo2C(s) + H2(g) + CO(g) =>
2 MoO2(s) + 5 CH4(g) = Mo2C(s) + 10 H2(g) + 4 CO(g)
Br + NaOH = NaBrO + NaBr + H2O =>
2 Br + 2 NaOH = NaBrO + NaBr + H2O
HCOOH + Ca(OH)2 = CaOHHCOO + H2O =>
HCOOH + Ca(OH)2 = CaOHHCOO + H2O
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