| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 CaO = 2 Ca + O2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
MgO2H2 + HCl = MgCl2 + H2O =>
MgO2H2 + 2 HCl = MgCl2 + 2 H2O
Ca3(PO4)2 + SiO2 + H2 = Ca2SiO4 + H2O + P2 =>
2 Ca3(PO4)2 + 3 SiO2 + 10 H2 = 3 Ca2SiO4 + 10 H2O + 2 P2
HCl + S = HClS =>
HCl + S = HClS
HNO3(l) + Cu(s) = Cu(NO3)2 + NO2 + H2O =>
4 HNO3(l) + Cu(s) = Cu(NO3)2 + 2 NO2 + 2 H2O
Ag + H3Po4 = Ag3Po4 + H2 =>
6 Ag + 2 H3Po4 = 2 Ag3Po4 + 3 H2
Ca(s) + AgNO3(aq) = Ca(NO3)2(aq) + Ag(s) =>
Ca(s) + 2 AgNO3(aq) = Ca(NO3)2(aq) + 2 Ag(s)
HNO3 + MgO2H2 = H2O + MgN2O6 =>
2 HNO3 + MgO2H2 = 2 H2O + MgN2O6
NaClO + H4S = NaCl + S + H2O =>
2 NaClO + H4S = 2 NaCl + S + 2 H2O
AuSe + Ga(H2O)4 = Au(H2O)4 + GaSe =>
AuSe + Ga(H2O)4 = Au(H2O)4 + GaSe
H2SiO3 + Au(OH)3 = Au2(SiO3)3 + H2O =>
3 H2SiO3 + 2 Au(OH)3 = Au2(SiO3)3 + 6 H2O
Al + KH(IO3)2 = Al2O3 + I + KOH =>
10 Al + 3 KH(IO3)2 = 5 Al2O3 + 6 I + 3 KOH
Al(NO2) + NH4Cl = AlCl + N + H2O =>
Al(NO2) + NH4Cl = AlCl + 2 N + 2 H2O
HCOCl + NH3 = HCONH2 + HCl =>
HCOCl + NH3 = HCONH2 + HCl
H2SO3 + CaCO3 = CO2 + CaSO3 + H2O =>
H2SO3 + CaCO3 = CO2 + CaSO3 + H2O
C2H4O2 + NaOH = Na4C2O2 + H2O =>
C2H4O2 + 4 NaOH = Na4C2O2 + 4 H2O
K3Cr2O7 + FeSO4 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
2 K3Cr2O7 + 10 FeSO4 + 14 H2SO4 = 5 Fe2(SO4)3 + 2 Cr2(SO4)3 + 3 K2SO4 + 14 H2O
AgI + Al2(CO3)3 = AlI3 + Ag2CO3 =>
6 AgI + Al2(CO3)3 = 2 AlI3 + 3 Ag2CO3
MnO2 + SO3 = MnSO4 + O2 =>
2 MnO2 + 2 SO3 = 2 MnSO4 + O2
Na3Po4*12H2O + BaCl2 = Ba3(Po4)2 + NaCl + H2O =>
2 Na3Po4*12H2O + 3 BaCl2 = Ba3(Po4)2 + 6 NaCl + 24 H2O
H2SIO3 = SIO2H2O =>
H2SIO3 = SIO2H2O
Fe + [Fe(CN)6] = Fe4[Fe(CN)6] =>
4 Fe + [Fe(CN)6] = Fe4[Fe(CN)6]
H3PO4 + MgO2H2 = Mg3P2O8 + H2O =>
2 H3PO4 + 3 MgO2H2 = Mg3P2O8 + 6 H2O
C2H4O + C4H8O = C8H14O2 + H2O =>
2 C2H4O + C4H8O = C8H14O2 + H2O
H3(PO4) + Pb = Pb(PO4) + H2 =>
2 H3(PO4) + 2 Pb = 2 Pb(PO4) + 3 H2
C3H3(s) + O2(l) = CO2(s) + H2O(s) =>
4 C3H3(s) + 15 O2(l) = 12 CO2(s) + 6 H2O(s)
HNO3 + K = KNO3 + NO + H2O =>
4 HNO3 + 3 K = 3 KNO3 + NO + 2 H2O
H3C2O2H + NaOH = H2O + H3C2O2Na =>
H3C2O2H + NaOH = H2O + H3C2O2Na
ZnC2H3O2 + NaPO4 = NaC2H3O2 + ZnPO4 =>
ZnC2H3O2 + NaPO4 = NaC2H3O2 + ZnPO4
LiOH = Li + H2O + O2 =>
4 LiOH = 4 Li + 2 H2O + O2
HB + BaOH = BaB + H2O =>
HB + BaOH = BaB + H2O
C4H9Cl + Mg = C4H9Mg + Cl2 =>
2 C4H9Cl + 2 Mg = 2 C4H9Mg + Cl2
K2S + HNO3 = KNO3 + S + NO2 + H2O =>
K2S + 4 HNO3 = 2 KNO3 + S + 2 NO2 + 2 H2O
C9H8O4 = C7H6O3 + C4H6O3 = CH3COOH =>
9 C9H8O4 = 11 C7H6O3 + C4H6O3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
S + KNO3 = SO2 + NO + K2O =>
3 S + 4 KNO3 = 3 SO2 + 4 NO + 2 K2O
AgNO3(ac) + NaBr(ac) = AgBr(s) + NaNO3(ac) =>
AgNO3(ac) + NaBr(ac) = AgBr(s) + NaNO3(ac)
(NH4)2SO4 + Al2(SO4)3*18H2O + H2O = NH4Al(SO4)2*12H2O =>
(NH4)2SO4 + Al2(SO4)3*18H2O + 6 H2O = 2 NH4Al(SO4)2*12H2O
Co2S3 = Co + S8 =>
8 Co2S3 = 16 Co + 3 S8
KAuO2 + Au = K[AuO] + AuO =>
KAuO2 + Au = K[AuO] + AuO
C4H8 + O2 = CO + H =>
C4H8 + 2 O2 = 4 CO + 8 H
Sr + H2O = H + SrO =>
Sr + H2O = 2 H + SrO
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
NaClAgNO3 = NaNO3 + AgCl =>
NaClAgNO3 = NaNO3 + AgCl
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
Pb(s) + Cl2(g) = Cl{-}(aq) + Pb{2+}(aq) =>
Pb(s) + Cl2(g) = 2 Cl{-}(aq) + Pb{2+}(aq)
C3H4 + O2 = CO2 + H2O =>
C3H4 + 4 O2 = 3 CO2 + 2 H2O
Cu(s) + ZnSO4(aq) = CuSO4(aq) + Zn(s) =>
Cu(s) + ZnSO4(aq) = CuSO4(aq) + Zn(s)
Al{3+} + HNO3 = Al(NO3)3 + H{+} =>
Al{3+} + 3 HNO3 = Al(NO3)3 + 3 H{+}
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