| Équations équilibrées la veille | Équations équilibrées le lendemain |
C8H8 + 5 O2 = 4 H2O2 + C8O2
H2SO4 + NaOH = Na2SO4 + H4O2 =>
H2SO4 + 2 NaOH = Na2SO4 + H4O2
NaClO3 + KI + HCl = NaCl + KCl + I2 + H2O =>
NaClO3 + 6 KI + 6 HCl = NaCl + 6 KCl + 3 I2 + 3 H2O
NaCN + H2O = Na + OH + HCN =>
NaCN + H2O = Na + OH + HCN
CH3CH(OH)COOH + MnO4{-} + H{+} = CH3C(O)COOH + Mn{2+} + H2O =>
5 CH3CH(OH)COOH + 2 MnO4{-} + 6 H{+} = 5 CH3C(O)COOH + 2 Mn{2+} + 8 H2O
KNO2 + KMnO4 + H2SO4 = MnSO4 + HNO3 + K2SO4 + H2O =>
10 KNO2 + 4 KMnO4 + 11 H2SO4 = 4 MnSO4 + 10 HNO3 + 7 K2SO4 + 6 H2O
K2MnO4 + MnCl2 + H2O = MnO2 + KOH + Cl2 =>
2 K2MnO4 + MnCl2 + 2 H2O = 3 MnO2 + 4 KOH + Cl2
Sr(NO3)2 + Ca(NO3)2*4H2O + Y(NO3)3*6H2O + C6H8O7*H2O + (NH4)2HPO4 = Sr2CaY(PO4)3 + H2O + N2 + CO2 =>
4 Sr(NO3)2 + 2 Ca(NO3)2*4H2O + 2 Y(NO3)3*6H2O + 3 C6H8O7*H2O + 6(NH4)2HPO4 = 2 Sr2CaY(PO4)3 + 62 H2O + 15 N2 + 18 CO2
KOH(aq) + Mg(NO3)2(aq) = KNO3(aq) + Mg(OH)2 =>
2 KOH(aq) + Mg(NO3)2(aq) = 2 KNO3(aq) + Mg(OH)2
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
CH3CH2CH2MgCl + H2O = CH3CH2CH3 + Mg(OH)Cl =>
CH3CH2CH2MgCl + H2O = CH3CH2CH3 + Mg(OH)Cl
C8H6N2 + O2 = CO2 + H2O + NO2 =>
2 C8H6N2 + 23 O2 = 16 CO2 + 6 H2O + 4 NO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Cl2 + CaF2 = ClF + Ca =>
Cl2 + CaF2 = 2 ClF + Ca
Ag2O + Na2HPO3 + NaOH = Ag + Na3PO4H2O =>
Ag2O + Na2HPO3 + NaOH = 2 Ag + Na3PO4H2O
Zn + H2(SO4)2 = ZnSO4 + H2 =>
2 Zn + H2(SO4)2 = 2 ZnSO4 + H2
CH3CH2CHO + NaOH + I2 = NaI + H2O + HCOONa =>
CH3CH2CHO + 13 NaOH + 5 I2 = 10 NaI + 8 H2O + 3 HCOONa
Br2 + H2SO4 + NaNO2 = HBr + NaNO3 + HSO3 =>
Br2 + 2 H2SO4 + 2 NaNO2 = 2 HBr + 2 NaNO3 + 2 HSO3
NaNO3 + AgCI = NaCI + AgNO3 =>
NaNO3 + AgCI = NaCI + AgNO3
CO2 + H2O = O2 + C602H12 =>
602 CO2 + 6 H2O = 605 O2 + C602H12
KCN + C2H5Br = C3H5N + KBr =>
KCN + C2H5Br = C3H5N + KBr
C + S8 = CS8 =>
C + S8 = CS8
Zn + H2Br = ZnBr2 + H2 =>
Zn + 2 H2Br = ZnBr2 + 2 H2
C6H10O5 + I = C6H10O4I + OI =>
C6H10O5 + 2 I = C6H10O4I + OI
NaC + MgH = NaH + MgC =>
NaC + MgH = NaH + MgC
Cu(SCN)4 + SO2 + H2O = CuSCN + SCN{-} + SO4{2-} + H{+} =>
2 Cu(SCN)4 + 3 SO2 + 6 H2O = 2 CuSCN + 6 SCN{-} + 3 SO4{2-} + 12 H{+}
C6H10O + NH2OH2Cl = C6H10NOH + H2O + HCl =>
C6H10O + NH2OH2Cl = C6H10NOH + H2O + HCl
S8 + H2 = H2S =>
S8 + 8 H2 = 8 H2S
CuSO4 + FeCl3 = Fe2(SO4)3 + Cu3(Cl3)2 =>
3 CuSO4 + 2 FeCl3 = Fe2(SO4)3 + Cu3(Cl3)2
Fe(NO3)2 + K3[Fe(CN)6] = Fe4[Fe(CN)6]3 + K4[Fe(CN)6] + NO3 =>
4 Fe(NO3)2 + 12 K3[Fe(CN)6] = Fe4[Fe(CN)6]3 + 9 K4[Fe(CN)6] + 8 NO3
Na2S + CCl4 = Na2Cl4 + SC =>
Na2S + CCl4 = Na2Cl4 + SC
KClO3 + C = CO2 + KClO2 =>
2 KClO3 + C = CO2 + 2 KClO2
Ca2P3 + Na = NaP + Ca =>
Ca2P3 + 3 Na = 3 NaP + 2 Ca
HNO3(aq) + CuSO4(aq) = HSO4 + CuNO3 =>
HNO3(aq) + CuSO4(aq) = HSO4 + CuNO3
SbS2 + O2 = SbO4 + SO2 =>
SbS2 + 4 O2 = SbO4 + 2 SO2
CH3COOH + Al2(CO3)3 = Al(CH3COO) + H2O + CO2 =>
5 CH3COOH + 2 Al2(CO3)3 = 4 Al(CH3COO) + 4 H2O + 8 CO2
Li2CO3(s) + CO2(g) + H2O(l) = LiHCO3(s) =>
Li2CO3(s) + CO2(g) + H2O(l) = 2 LiHCO3(s)
C6OH6 + Br32 = C6H4OBr2 + HBr =>
8 C6OH6 + Br32 = 8 C6H4OBr2 + 16 HBr
Ca(CH3COO)2 + (NH4)3AsO4 = Ca3(AsO4)2 + NH4CH3COO =>
3 Ca(CH3COO)2 + 2(NH4)3AsO4 = Ca3(AsO4)2 + 6 NH4CH3COO
Mn + Pb3O4 = Mn3O4 + PbO =>
3 Mn + 4 Pb3O4 = Mn3O4 + 12 PbO
K2CO3(s) + HCl = KCl(s) + CO2(g) + H2O(g) =>
K2CO3(s) + 2 HCl = 2 KCl(s) + CO2(g) + H2O(g)
AluminumBromide + PotassiumNitrate = AluminumNitrate + PotassiumBromide =>
AluminumBromide + PotassiumNitrate = AluminumNitrate + PotassiumBromide
NaN3 + C3Cl3N3O3 = NaCl + C3N12O3 =>
3 NaN3 + C3Cl3N3O3 = 3 NaCl + C3N12O3
O2 + C3H8 = CO2 + H8 =>
3 O2 + C3H8 = 3 CO2 + H8
Ag2Se + NaNO3 + H2SO4 = Ag2SO4 + SeO2 + NO2 + Na2SO4 + H2O =>
Ag2Se + 6 NaNO3 + 4 H2SO4 = Ag2SO4 + SeO2 + 6 NO2 + 3 Na2SO4 + 4 H2O
Na2O + CH3COOH = CH3COONa + H2O =>
Na2O + 2 CH3COOH = 2 CH3COONa + H2O
C6H5OH + C8H17OH = C8H17OC6H5 + H2O =>
C6H5OH + C8H17OH = C8H17OC6H5 + H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
C3N4 + O3 = CO2 + N =>
C3N4 + 2 O3 = 3 CO2 + 4 N
Al + NaOH + H2O = H2 + NaAlO2 =>
2 Al + 2 NaOH + 2 H2O = 3 H2 + 2 NaAlO2
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