| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 H3PO4 + 3 CaO = Ca3(PO4)2 + 3 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
NaS + Pb(NO3)2 = NaNO3 + PbS2 =>
2 NaS + Pb(NO3)2 = 2 NaNO3 + PbS2
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
KMnO4 + NaNO2 + KOH = K2MnO4 + NaNO3 + H2O =>
2 KMnO4 + NaNO2 + 2 KOH = 2 K2MnO4 + NaNO3 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
(Cr2O7){2-} + H{+} + H2SO3 = Cr{3+} + H2SO4 + HOH =>
(Cr2O7){2-} + 8 H{+} + 3 H2SO3 = 2 Cr{3+} + 3 H2SO4 + 4 HOH
KOH + H3(PO4) = K3(PO4) + H2O =>
3 KOH + H3(PO4) = K3(PO4) + 3 H2O
Cr2O3 + Br2 + NaOH = NaBr + Na2CrO4 + H2O =>
Cr2O3 + 3 Br2 + 10 NaOH = 6 NaBr + 2 Na2CrO4 + 5 H2O
AlCl3(aq) + AgNO3 = AlNO3 + AgCl3 =>
AlCl3(aq) + AgNO3 = AlNO3 + AgCl3
Na3PO4 + K1O1H1 = Na1O1H1 + K3P1O4 =>
Na3PO4 + 3 K1O1H1 = 3 Na1O1H1 + K3P1O4
KSO4(aq) + NaI(aq) = I2(aq) + Na2SO4(aq) + KI(aq) =>
2 KSO4(aq) + 4 NaI(aq) = I2(aq) + 2 Na2SO4(aq) + 2 KI(aq)
AlCl3 + Na2S2O3 + H2O = Al(OH)3 + NaCl + S + SO2 =>
2 AlCl3 + 3 Na2S2O3 + 3 H2O = 2 Al(OH)3 + 6 NaCl + 3 S + 3 SO2
Na + Ag(NO3)2 = Ag + NaNO3 =>
2 Na + Ag(NO3)2 = Ag + 2 NaNO3
Hg(l) + Cl2(s) = HgCl2 =>
Hg(l) + Cl2(s) = HgCl2
H2O + CCl4 = H2CO3 + HCl =>
3 H2O + CCl4 = H2CO3 + 4 HCl
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Mg + SO3 = Mg(SO3)2 =>
Mg + 2 SO3 = Mg(SO3)2
Sr(OH)2 + HC = H2O + SrC2 =>
Sr(OH)2 + 2 HC = 2 H2O + SrC2
Al2O3 + Rb = RbO2 + Al =>
2 Al2O3 + 3 Rb = 3 RbO2 + 4 Al
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
C2H5COOH + C2H55OH = C2H5COOC2H5 + H2O =>
129 C2H5COOH + 4 C2H55OH = 79 C2H5COOC2H5 + 104 H2O
H4SIO4 + KOH = KH3SIO4 + H2O =>
H4SIO4 + KOH = KH3SIO4 + H2O
Fe2O3 + KNO3 + KOH = K2FeO4 + KNO2 + H2O =>
Fe2O3 + 3 KNO3 + 4 KOH = 2 K2FeO4 + 3 KNO2 + 2 H2O
C4H8O2 + H2 = C2H8O =>
C4H8O2 + 4 H2 = 2 C2H8O
(NO3)2 = (NO3)3 =>
3(NO3)2 = 2(NO3)3
AgBr + Ca = Ag + CaBr2 =>
2 AgBr + Ca = 2 Ag + CaBr2
C6H5OH + K = C6H5OK + H2 =>
2 C6H5OH + 2 K = 2 C6H5OK + H2
Hg + HSO4 = HgSO4 + H2O + SO =>
5 Hg + 6 HSO4 = 5 HgSO4 + 3 H2O + SO
CaH2(g) + H2O(l) = Ca(OH)2(s) + H2(g) =>
CaH2(g) + 2 H2O(l) = Ca(OH)2(s) + 2 H2(g)
HNO3 + HF = NO + F2 + H2O =>
2 HNO3 + 6 HF = 2 NO + 3 F2 + 4 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Na3PO4 + K1O1H1 = Na1O1H1 + K3P1O4 =>
Na3PO4 + 3 K1O1H1 = 3 Na1O1H1 + K3P1O4
CO + Na = Na2O + C =>
CO + 2 Na = Na2O + C
C4H10O3 + O2 = CO + H2O =>
C4H10O3 + 3 O2 = 4 CO + 5 H2O
Fe2(SO4)3 + Li2CO3 = Fe2(CO3)3 + Li2(SO4) =>
Fe2(SO4)3 + 3 Li2CO3 = Fe2(CO3)3 + 3 Li2(SO4)
CrCl3 + K(OH) + KClO3 = KCl + K2CrO4 + H2O =>
2 CrCl3 + 10 K(OH) + KClO3 = 7 KCl + 2 K2CrO4 + 5 H2O
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
Mg + Zn{2+} = Mg{2+} + Zn =>
Mg + Zn{2+} = Mg{2+} + Zn
N2(s) + O2(g) = N2O5(s) =>
2 N2(s) + 5 O2(g) = 2 N2O5(s)
MnSO4 + NaOH = Mn(OH)2 + Na2SO4 =>
MnSO4 + 2 NaOH = Mn(OH)2 + Na2SO4
MgS + CaO = MgO + CaS =>
MgS + CaO = MgO + CaS
Ag + H3Po4 = Ag3Po4 + H2 =>
6 Ag + 2 H3Po4 = 2 Ag3Po4 + 3 H2
MnO2 + CO = Mn2O3 + CO2 =>
2 MnO2 + CO = Mn2O3 + CO2
KOHNaCl = NaKOHCl =>
KOHNaCl = NaKOHCl
Fe + H2O = Fe2O43 + H2 =>
2 Fe + 43 H2O = Fe2O43 + 43 H2
Fe + H2O = Fe2O4 + H2 =>
2 Fe + 4 H2O = Fe2O4 + 4 H2
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