| Équations équilibrées la veille |
8 OH{-} + 7 Cr{3+} + Mn = MnO4{-} + 7 Cr{2+} + 4 H2O
NaHCO3(aq) + CaHPO4(aq) = NaCaPO4(aq) + CO2(g) + H2O(l) =>
NaHCO3(aq) + CaHPO4(aq) = NaCaPO4(aq) + CO2(g) + H2O(l)
H2S + KOH = K2S + H2O =>
H2S + 2 KOH = K2S + 2 H2O
CaCO3 + AlOH = AlCO3 + CaOH =>
CaCO3 + AlOH = AlCO3 + CaOH
C4H7OH + O2 = C02 + H2O =>
2 C4H7OH + 3 O2 = 4 C02 + 8 H2O
PtCl4 + I2 = PtI4 + Cl2 =>
PtCl4 + 2 I2 = PtI4 + 2 Cl2
AgNO3(s) + BaCl2(aq) = AgCl(s) + Ba(NO3)2(aq) =>
2 AgNO3(s) + BaCl2(aq) = 2 AgCl(s) + Ba(NO3)2(aq)
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
HNO2 + Br2 + H2O = HNO3 + HBr =>
HNO2 + Br2 + H2O = HNO3 + 2 HBr
MgCO3(s) + H2SO4(aq) = MgSO4 + H2CO3 =>
MgCO3(s) + H2SO4(aq) = MgSO4 + H2CO3
Ca(ClO2)2 + (NH4)3PO4 = NH4ClO2 + Ca3(PO4)2 =>
3 Ca(ClO2)2 + 2(NH4)3PO4 = 6 NH4ClO2 + Ca3(PO4)2
K(l) + H2O(l) = H2(g) + KOH(g) =>
2 K(l) + 2 H2O(l) = H2(g) + 2 KOH(g)
H3PO4 + K2CO3 = K2HPO4 + H2O + CO2 =>
H3PO4 + K2CO3 = K2HPO4 + H2O + CO2
MnO2 + N2 = O2 + Mn3N4 =>
3 MnO2 + 2 N2 = 3 O2 + Mn3N4
C2H6OHCl = C2H5ClH2O =>
C2H6OHCl = C2H5ClH2O
Br2 + AlI = Al + BrI =>
Br2 + 2 AlI = 2 Al + 2 BrI
Na(c) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(c) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
MgCl2 + (NH4)2S = MgS + (NH4)Cl =>
MgCl2 + (NH4)2S = MgS + 2(NH4)Cl
LiF + H2SO4 = Li2SO4 + HF =>
2 LiF + H2SO4 = Li2SO4 + 2 HF
Fe2(SO4)3 + K3Fe(CN)6 = Fe2(CN)6 + K2SO4 =>
Fe2(SO4)3 + 2 K3Fe(CN)6 = 2 Fe2(CN)6 + 3 K2SO4
H2SO4 + CaO = CaSO4 + H2O =>
H2SO4 + CaO = CaSO4 + H2O
Ca + FeS = CaS + Fe =>
Ca + FeS = CaS + Fe
Pb + PbO2 + H{+} + SO4{-} = PbSO4 + H2O =>
3 Pb + PbO2 + 4 H{+} + 4 SO4{-} = 4 PbSO4 + 2 H2O
BaCO3 + Fe2O3 + Co2O3 = Ba3Co2Fe24O41 + CO + O2 =>
3 BaCO3 + 12 Fe2O3 + Co2O3 = Ba3Co2Fe24O41 + 3 CO + 2 O2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Na2HPO3 + Ba(NO3)2 = NaNO3 + BaHPO3 =>
Na2HPO3 + Ba(NO3)2 = 2 NaNO3 + BaHPO3
PtCl4 + I2 = PtI4 + Cl2 =>
PtCl4 + 2 I2 = PtI4 + 2 Cl2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Zn + HgCl2 = ZnCl2 + Hg =>
Zn + HgCl2 = ZnCl2 + Hg
C + K2Cr2O7 + H2SO4 = CO2 + K2O + Cr2(SO4)3 + H2O =>
3 C + 2 K2Cr2O7 + 6 H2SO4 = 3 CO2 + 2 K2O + 2 Cr2(SO4)3 + 6 H2O
C2H5OH*C8H18 + O2 = CO2 + H2O =>
2 C2H5OH*C8H18 + 31 O2 = 20 CO2 + 24 H2O
NaHCO3(aq) + CaHPO4(aq) = NaCaPO4(aq) + CO2(g) + H2O(l) =>
NaHCO3(aq) + CaHPO4(aq) = NaCaPO4(aq) + CO2(g) + H2O(l)
CuO + NH4Cl = CuCl2 + H2O + N2 + Cu =>
4 CuO + 2 NH4Cl = CuCl2 + 4 H2O + N2 + 3 Cu
NaOH + HCl = NaCl + H2O = =>
NaOH + HCl = NaCl + H2O
Na2CrO4 + FeSO4 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + Na2SO4 + H2O =>
2 Na2CrO4 + 6 FeSO4 + 8 H2SO4 = Cr2(SO4)3 + 3 Fe2(SO4)3 + 2 Na2SO4 + 8 H2O
MgCl2 + I = MgI2 + Cl =>
MgCl2 + 2 I = MgI2 + 2 Cl
Sn2{+} + Cu = Cu2{+} + Sn =>
Sn2{+} + 2 Cu = Cu2{+} + 2 Sn
NaH + HCI = H2 + NaCI =>
NaH + HCI = H2 + NaCI
LiOH = Li + OH =>
LiOH = Li + OH
Cd(s) + H3PO4(aq) = CdPO4(aq) + H2(g) =>
2 Cd(s) + 2 H3PO4(aq) = 2 CdPO4(aq) + 3 H2(g)
S6 + N2 = SN4 =>
S6 + 12 N2 = 6 SN4
Fe2O3 + H2SO4 + NH3 = [Fe(NH4)(SO4)2] + H2O =>
Fe2O3 + 4 H2SO4 + 2 NH3 = 2[Fe(NH4)(SO4)2] + 3 H2O
CoCl3(aq) + Pb(NO3)2(aq) = Co(NO3)3(aq) + PbCl2(s) =>
2 CoCl3(aq) + 3 Pb(NO3)2(aq) = 2 Co(NO3)3(aq) + 3 PbCl2(s)
Al(OH) + CaCO = Ca(OH) + Al(CO) =>
Al(OH) + CaCO = Ca(OH) + Al(CO)
CaCO3 + AlOH = AlCO3 + CaOH =>
CaCO3 + AlOH = AlCO3 + CaOH
BaCO3 + Fe2O3 + Co2O3 = Ba3Co2Fe24O41 + CO + O2 =>
3 BaCO3 + 12 Fe2O3 + Co2O3 = Ba3Co2Fe24O41 + 3 CO + 2 O2
Ca(ClO2)2 + (NH4)3PO4 = NH4ClO2 + Ca3(PO4)2 =>
3 Ca(ClO2)2 + 2(NH4)3PO4 = 6 NH4ClO2 + Ca3(PO4)2
C6H5NO2 + Al + KOH = KAlO2 + C6H5NH2 =>
C6H5NO2 + 2 Al + 2 KOH = 2 KAlO2 + C6H5NH2
Ca + FeS = CaS + Fe =>
Ca + FeS = CaS + Fe
K3[Fe(CN)6] + FeCl3 = KCl + Fe[Fe(CN)6] =>
K3[Fe(CN)6] + FeCl3 = 3 KCl + Fe[Fe(CN)6]
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