Équations équilibrées la veille |
4 Pb + 2 NaOH + 2 H2O = Na2[PbOH]4 + H2
CH3COH + K2Cr2O7 = CH3COOK + Cr2O3 + CH3COOH + KOH =>
3 CH3COH + K2Cr2O7 = CH3COOK + Cr2O3 + 2 CH3COOH + KOH
K2Cr2O7 + HF = KF + CrF3 + H2O + F2 =>
K2Cr2O7 + 14 HF = 2 KF + 2 CrF3 + 7 H2O + 3 F2
LiCl + (NH4)2SO4 = Li2SO4 + NH4Cl =>
2 LiCl + (NH4)2SO4 = Li2SO4 + 2 NH4Cl
H2SO4(aq) + NaOH = Na2(SO4)(aq) + H2O =>
H2SO4(aq) + 2 NaOH = Na2(SO4)(aq) + 2 H2O
BeOSiO2 = BeSiO3 =>
BeOSiO2 = BeSiO3
K2Se + NaBiO3 + H2SO4 = Bi2(SO4)3 + Se + K2SO4 + Na2SO4 + H2O =>
2 K2Se + 2 NaBiO3 + 6 H2SO4 = Bi2(SO4)3 + 2 Se + 2 K2SO4 + Na2SO4 + 6 H2O
Zn(OH)2 + CrO3 = ZnCrO4 + H2O =>
Zn(OH)2 + CrO3 = ZnCrO4 + H2O
NO2 + H2O = HNO3 + N2O3 =>
4 NO2 + H2O = 2 HNO3 + N2O3
H3N + Cu = Cu3N2 + H2 =>
2 H3N + 3 Cu = Cu3N2 + 3 H2
CH3OH + CO3 = CO2 + H2O =>
CH3OH + 3 CO3 = 4 CO2 + 2 H2O
Na + C2 = Na4C =>
8 Na + C2 = 2 Na4C
KMnO4 + HCl = K2[MnCl6] + H3[MnCl6] + Cl2 + H2O =>
4 KMnO4 + 38 HCl = 2 K2[MnCl6] + 2 H3[MnCl6] + 7 Cl2 + 16 H2O
MgCO3 + HCl = MgCl2 + CO3 + H =>
MgCO3 + 2 HCl = MgCl2 + CO3 + 2 H
NH3 + O2 = HNO2 + H2O =>
2 NH3 + 3 O2 = 2 HNO2 + 2 H2O
N2 + CO2 + CH4 = H2O + CN =>
N2 + CO2 + CH4 = 2 H2O + 2 CN
C2H4 + HNO3 = CO + NO + H2O =>
3 C2H4 + 8 HNO3 = 6 CO + 8 NO + 10 H2O
NaClO + NaBr + H2SO4 = Br2 + NaCl + Na2SO4 + H2O =>
NaClO + 2 NaBr + H2SO4 = Br2 + NaCl + Na2SO4 + H2O
Na + Al2(SO4)3 = NaAl2 + (SO4)3 =>
Na + Al2(SO4)3 = NaAl2 + (SO4)3
Fe3(PO3)5 + Pd2(CO3)3 = Fe2(CO3)5 + PdPO3 =>
2 Fe3(PO3)5 + 5 Pd2(CO3)3 = 3 Fe2(CO3)5 + 10 PdPO3
MnCl2 + Al = Mn + AlCl3 = =>
3 MnCl2 + 2 Al = 3 Mn + 2 AlCl3
HNO2 = N2O3 + H2O =>
2 HNO2 = N2O3 + H2O
C16H32O2(aq) + O2 = CO2(g) + H2O(l) =>
C16H32O2(aq) + 23 O2 = 16 CO2(g) + 16 H2O(l)
[Co(NH3)5Cl]Cl2 + AgNO3 = [Co(NH3)5NO3]Cl2 + AgCl =>
[Co(NH3)5Cl]Cl2 + AgNO3 = [Co(NH3)5NO3]Cl2 + AgCl
Cu + H2SO4 = CuSO4 + H2 =>
Cu + H2SO4 = CuSO4 + H2
CO2 + Na2O = CO3 + Na2 =>
CO2 + Na2O = CO3 + Na2
NH4I + H2O = NH3 + H3O + I =>
NH4I + H2O = NH3 + H3O + I
CrCl3 + K2S + H2O = Cr2O3 + H2S + KCl =>
2 CrCl3 + 3 K2S + 3 H2O = Cr2O3 + 3 H2S + 6 KCl
CH3OH + CO3 = CO2 + H2O =>
CH3OH + 3 CO3 = 4 CO2 + 2 H2O
H2NCH2COOH + HCl = H2NCH2COOCl + H2 =>
H2NCH2COOH + HCl = H2NCH2COOCl + H2
BaCrO4 + Ba(OH)2 = Ba3(CrO4)2 + O2 + H2O =>
4 BaCrO4 + 2 Ba(OH)2 = 2 Ba3(CrO4)2 + O2 + 2 H2O
Na3PO4 + HOH = NaOH + H3PO4 =>
Na3PO4 + 3 HOH = 3 NaOH + H3PO4
CH3CO2K + AgNO3 = CH3CO2Ag + KNO3 =>
CH3CO2K + AgNO3 = CH3CO2Ag + KNO3
HCl + NaOH = HOH + NaCl(aq) =>
HCl + NaOH = HOH + NaCl(aq)
C3H8Cl2 = C3H7ClHCl =>
C3H8Cl2 = C3H7ClHCl
Pb + Fe(SO4) = Pb(SO4) + Fe =>
Pb + Fe(SO4) = Pb(SO4) + Fe
Mg + Fe(NO3)2 = Mg(NO3)2 + Fe =>
Mg + Fe(NO3)2 = Mg(NO3)2 + Fe
HCl(liq) + CaCO3(S) = CaCl2(S) + CO2(g) + H2O(liq) =>
2 HCl(liq) + CaCO3(S) = CaCl2(S) + CO2(g) + H2O(liq)
HF + K2Cr2O7 = CrO2F2 + KF + H2O =>
6 HF + K2Cr2O7 = 2 CrO2F2 + 2 KF + 3 H2O
NaClO(ac) + HCl(ac) = NaCl(ac) + H2O(l) + Cl2(ac) =>
NaClO(ac) + 2 HCl(ac) = NaCl(ac) + H2O(l) + Cl2(ac)
BaSO4 + Zn(OH)2 = ZnSO4 + Ba(OH)2 =>
BaSO4 + Zn(OH)2 = ZnSO4 + Ba(OH)2
Eu2O3 + HNO3 + H2O = Eu(NO3)3*6H2O =>
Eu2O3 + 6 HNO3 + 9 H2O = 2 Eu(NO3)3*6H2O
[Co(H2O)(NH3)5]Cl2 + HCl = [Co(Cl)(NH3)5]Cl2 + H2O + H2 =>
2[Co(H2O)(NH3)5]Cl2 + 2 HCl = 2[Co(Cl)(NH3)5]Cl2 + 2 H2O + H2
ZnOZn(OH)2CO2 = Zn(OH)2ZnCO3 =>
ZnOZn(OH)2CO2 = Zn(OH)2ZnCO3
AgNO3 + NaI = AgI + NaNO3 =>
AgNO3 + NaI = AgI + NaNO3
C4H10(g) + O2(g) = CO2(g) + H2O(g) =>
2 C4H10(g) + 13 O2(g) = 8 CO2(g) + 10 H2O(g)
Ca + (OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca + 3(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
HCeNaOH = H2ONaCe =>
HCeNaOH = H2ONaCe
Ni2Fe(CN)6 + NH4OH = [Ni(NH3)6]2[Fe(CN)6] + H2O =>
Ni2Fe(CN)6 + 12 NH4OH = [Ni(NH3)6]2[Fe(CN)6] + 12 H2O
Ni(HCO3)2 = NiCO3 + H2O + CO2 =>
Ni(HCO3)2 = NiCO3 + H2O + CO2
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