| Équations équilibrées la veille | Équations équilibrées le lendemain |
(SiO2)2 + 6 C = 2 SiC + 4 CO
Ca(NO3)2 + C2K2O4 = CNO3 + CaK2O4 =>
Ca(NO3)2 + C2K2O4 = 2 CNO3 + CaK2O4
K2SO3 + H2 = SO2 + K + H2O =>
K2SO3 + H2 = SO2 + 2 K + H2O
MgS + O2 = MgO + S02 =>
2 MgS + O2 = 2 MgO + S02
H2O + NaOH + CO2 = NaH3CO4 =>
H2O + NaOH + CO2 = NaH3CO4
Fe(Cl)2 + AgC2H3O2 = Fe(C2H3O2)2 + AgCl =>
Fe(Cl)2 + 2 AgC2H3O2 = Fe(C2H3O2)2 + 2 AgCl
ClO3{-} + H{+} = Cl2 + O2 + H2O =>
4 ClO3{-} + 4 H{+} = 2 Cl2 + 5 O2 + 2 H2O
H2S(s) + O2(g) = H2O + SO2 =>
2 H2S(s) + 3 O2(g) = 2 H2O + 2 SO2
Ca(OH)2(ac) + CO2(g) = CaCO3(s) + H2O(l) =>
Ca(OH)2(ac) + CO2(g) = CaCO3(s) + H2O(l)
H2SO4 + CaCO3 = CaSO3 + HO0 + CO2 =>
H2SO4 + CaCO3 = CaSO3 + 2 HO0 + CO2
BaCO3 + FeO + Re2O7 + Re = Ba2FeReO6 + CO2 =>
14 BaCO3 + 7 FeO + 3 Re2O7 + Re = 7 Ba2FeReO6 + 14 CO2
CH3CHCH3CH2OH + KMnO4 + H2SO4 = CH3CHCH3COOH + H2O + MnSO4 + K2SO4 =>
5 CH3CHCH3CH2OH + 4 KMnO4 + 6 H2SO4 = 5 CH3CHCH3COOH + 11 H2O + 4 MnSO4 + 2 K2SO4
CrBr3 + Cl2 + KOH = K2CrO4 + KBrO4 + KCl + H2O =>
2 CrBr3 + 27 Cl2 + 64 KOH = 2 K2CrO4 + 6 KBrO4 + 54 KCl + 32 H2O
Co(OH)2 + Cl2 + KOH = CoO2 + KCl + H2O =>
Co(OH)2 + Cl2 + 2 KOH = CoO2 + 2 KCl + 2 H2O
CaH4P2O8 + NaHCO3 = Ca3P2O8 + Na2HPO4 + H2O + CO2 =>
3 CaH4P2O8 + 8 NaHCO3 = Ca3P2O8 + 4 Na2HPO4 + 8 H2O + 8 CO2
Al + CuSO4 + HCl = Al2(SO4)3 + CuCl + H =>
2 Al + 3 CuSO4 + 3 HCl = Al2(SO4)3 + 3 CuCl + 3 H
FeCl3(aq) + SO2(g) + H2O(l) = FeCl2(aq) + HCl(aq) + H2SO4 =>
2 FeCl3(aq) + SO2(g) + 2 H2O(l) = 2 FeCl2(aq) + 2 HCl(aq) + H2SO4
CdSO3 + Al(OH)3 = Cd(OH)2 + Al2(SO3)3 =>
3 CdSO3 + 2 Al(OH)3 = 3 Cd(OH)2 + Al2(SO3)3
CH4 + O2 + KO2 = K2CO3 + H2O =>
2 CH4 + O2 + 4 KO2 = 2 K2CO3 + 4 H2O
C6H2(NO2)3OH(aq) + MOH(aq) = MC6H2(NO2)3O(aq) + H2O(aq) =>
C6H2(NO2)3OH(aq) + MOH(aq) = MC6H2(NO2)3O(aq) + H2O(aq)
I2 + Cl2 = I(Cl3) =>
I2 + 3 Cl2 = 2 I(Cl3)
C(s) + S(s) = CS =>
C(s) + S(s) = CS
C8H8C4H6C3H3N + N2O = H2O + CO2 + N2 =>
2 C8H8C4H6C3H3N + 77 N2O = 17 H2O + 30 CO2 + 78 N2
H2O + Na3BO3 = H3BO3 + NaOH =>
3 H2O + Na3BO3 = H3BO3 + 3 NaOH
K2S + Ag2S2O3 = K2S2O3 + Ag2S =>
K2S + Ag2S2O3 = K2S2O3 + Ag2S
SO2 + Br2 = S + BrO2 =>
2 SO2 + Br2 = 2 S + 2 BrO2
Pb(NO3)2 + Na2S2O3 = NaNO3 + PbS2O3 =>
Pb(NO3)2 + Na2S2O3 = 2 NaNO3 + PbS2O3
CH3CH2SH + O2 = CO2 + SO2 + H2O =>
2 CH3CH2SH + 9 O2 = 4 CO2 + 2 SO2 + 6 H2O
Mg + Al(NO3)2 = Mg(NO3)2 + Al =>
Mg + Al(NO3)2 = Mg(NO3)2 + Al
NH3 + H2PHO4 = H2PO4 + NH4 =>
NH3 + H2PHO4 = H2PO4 + NH4
Ca(OCl)2 + KI + H2SO4 = I2 + CaCl2 + H2O + K2SO4 =>
Ca(OCl)2 + 4 KI + 2 H2SO4 = 2 I2 + CaCl2 + 2 H2O + 2 K2SO4
HNO3 + I2 = H2O + NO2 + IO =>
4 HNO3 + I2 = 2 H2O + 4 NO2 + 2 IO
K(s) + H2O(l) = KOH(ac) + H2 =>
2 K(s) + 2 H2O(l) = 2 KOH(ac) + H2
C2H6N2O + H2O2 = CO2 + H2O + NO3 =>
C2H6N2O + 12 H2O2 = 2 CO2 + 15 H2O + 2 NO3
K2Cr2O7 + H2C2O4 + H2O = K[Cr(H2O)2(C2O4)2]*3H2O + CO2 =>
K2Cr2O7 + 7 H2C2O4 + 3 H2O = 2 K[Cr(H2O)2(C2O4)2]*3H2O + 6 CO2
SO3 + H2O = H2SO + O =>
SO3 + H2O = H2SO + 3 O
Ca3(PO4)2 = CaO + P2O5 =>
Ca3(PO4)2 = 3 CaO + P2O5
Al2(CrO4)3 + ammoniumsulfate = ammoniumchromate + aluminumsulfate =>
Al2(CrO4)3 + 3(NH4)2SO4 = 3(NH4)2CrO4 + Al2(SO4)3
H2CO3 + Ca(OH)2 = H2Ca + CO3(OH)2 =>
H2CO3 + Ca(OH)2 = H2Ca + CO3(OH)2
KBrO3 + BaCl2 = KCl + Ba(BrO3)2 =>
2 KBrO3 + BaCl2 = 2 KCl + Ba(BrO3)2
CH2OHCH2CH2CH2OH + KMnO4 + H2SO4 = COOHCH2CH2COOH + K2SO4 + MnSO4 + H2O =>
5 CH2OHCH2CH2CH2OH + 8 KMnO4 + 12 H2SO4 = 5 COOHCH2CH2COOH + 4 K2SO4 + 8 MnSO4 + 22 H2O
COO3COOH + Na2CO3 = COO3COOHNa2CO3 =>
COO3COOH + Na2CO3 = COO3COOHNa2CO3
K2Cr2O7 + HClO4 + HI = Cr(ClO4)3 + ClO4K + I2 + H2O =>
K2Cr2O7 + 8 HClO4 + 6 HI = 2 Cr(ClO4)3 + 2 ClO4K + 3 I2 + 7 H2O
K4Fe(CN)6 + CuSO4 = Cu2(Fe(CN)6) + K2SO4 =>
K4Fe(CN)6 + 2 CuSO4 = Cu2(Fe(CN)6) + 2 K2SO4
Cd(NO3)2 + Sr = Cd + Sr(NO3)2 =>
Cd(NO3)2 + Sr = Cd + Sr(NO3)2
MgCl2 + K2(CO3) = Mg(CO3) + KCl =>
MgCl2 + K2(CO3) = Mg(CO3) + 2 KCl
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Zn + CuSO4 + H2O = Cu(OH)2 + ZnSO4 + H2 =>
Zn + CuSO4 + 2 H2O = Cu(OH)2 + ZnSO4 + H2
Al2(CO3)3 + Rb2(CrO4) = Al2(CrO4)3 + Rb2(CO3) =>
Al2(CO3)3 + 3 Rb2(CrO4) = Al2(CrO4)3 + 3 Rb2(CO3)
CH3CBr2CH3 + NaOH = CH3CCH + NaBr + HOH =>
CH3CBr2CH3 + 2 NaOH = CH3CCH + 2 NaBr + 2 HOH
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