| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 CUS + 8 HNO3 = 3 CU(NO3)2 + 3 S + 2 NO + 4 H2O
C7H6O2 + NaOH = C6H5COONa + H2O =>
C7H6O2 + NaOH = C6H5COONa + H2O
SiO2 + H2O2 = H2SiO3 + O2 =>
2 SiO2 + 2 H2O2 = 2 H2SiO3 + O2
Na2SO4 + S = Na2S2O4 =>
Na2SO4 + S = Na2S2O4
Mg(NO3)2 + NaOH = Mg(OH)2 + NaNO3 =>
Mg(NO3)2 + 2 NaOH = Mg(OH)2 + 2 NaNO3
Ga + Br2 = GaBr3 =>
2 Ga + 3 Br2 = 2 GaBr3
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Na2S + Cu(CH3COO)2 = CH3COONa + CuS =>
Na2S + Cu(CH3COO)2 = 2 CH3COONa + CuS
Cl + F2 = FCl3 =>
6 Cl + F2 = 2 FCl3
KHSO3 = K2S2O5 + H2O =>
2 KHSO3 = K2S2O5 + H2O
CH3CH2CHCl2 + KOH = CH3CH2CH(OH)2 + KCl =>
CH3CH2CHCl2 + 2 KOH = CH3CH2CH(OH)2 + 2 KCl
FeCl2 + Cl2 = FeCl3 =>
2 FeCl2 + Cl2 = 2 FeCl3
Pt(s) + F2(g) = PtF4(i) =>
Pt(s) + 2 F2(g) = PtF4(i)
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
CF4 + Br = CBr4 + F2 =>
CF4 + 4 Br = CBr4 + 2 F2
CC5H12O2(l) + O2(g) = CO2(g) + H2O(l) =>
CC5H12O2(l) + 8 O2(g) = 6 CO2(g) + 6 H2O(l)
KI(aq) + BaS(aq) = BaI + SK =>
KI(aq) + BaS(aq) = BaI + SK
CuCl + Zn = ZnCl2 + Cu =>
2 CuCl + Zn = ZnCl2 + 2 Cu
Mo + H2SO4 = MoO3 + SO2 + H2O =>
Mo + 3 H2SO4 = MoO3 + 3 SO2 + 3 H2O
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
Na3PO4(aq) + CuSO4(aq) = Na2SO4(aq) + Cu3(PO4)2 =>
2 Na3PO4(aq) + 3 CuSO4(aq) = 3 Na2SO4(aq) + Cu3(PO4)2
Ca(HCO3)2 + Ca(OH)2 = Ca(CO3) + H2O =>
Ca(HCO3)2 + Ca(OH)2 = 2 Ca(CO3) + 2 H2O
Ag + H2SO4(aq) = Ag2SO4 + SO2 + H2O =>
2 Ag + 2 H2SO4(aq) = Ag2SO4 + SO2 + 2 H2O
HCOOH(aq) = H2O(l) + CO(g) =>
HCOOH(aq) = H2O(l) + CO(g)
K3MnO4 + H2O = K2MnO4 + MnO(OH)2 + KOH =>
2 K3MnO4 + 3 H2O = K2MnO4 + MnO(OH)2 + 4 KOH
NaCO3 + HNO3 = Na + CO3(HNO3)2 =>
NaCO3 + 2 HNO3 = Na + CO3(HNO3)2
NH4(CrO4)2 = NH3 + H2O + Cr3O2 + O2 =>
12 NH4(CrO4)2 = 12 NH3 + 6 H2O + 8 Cr3O2 + 37 O2
Ca + K2PO3 = CaPO3 + K =>
Ca + K2PO3 = CaPO3 + 2 K
Hg(NO3)2 + KCl = HgCl + K(NO3)2 =>
Hg(NO3)2 + KCl = HgCl + K(NO3)2
BaCl2 + Na2CO3 = BaCO3 + NaCl =>
BaCl2 + Na2CO3 = BaCO3 + 2 NaCl
V + O2 = VO =>
2 V + O2 = 2 VO
Cu(s) + H2O(l) = CuOH + H2 =>
2 Cu(s) + 2 H2O(l) = 2 CuOH + H2
CH3CH2CH2OH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2COH + H2O =>
3 CH3CH2CH2OH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3CH2COH + 7 H2O
(NH4)2S + K2Cr2O7 + H2O = S + Cr(OH)3 + KOH + NH3 =>
3(NH4)2S + K2Cr2O7 + H2O = 3 S + 2 Cr(OH)3 + 2 KOH + 6 NH3
MgO(aq) + HCl(aq) = MgCl2 + H2O =>
MgO(aq) + 2 HCl(aq) = MgCl2 + H2O
Ca(OH) + HCo3 = CaCo3 + H2O =>
Ca(OH) + HCo3 = CaCo3 + H2O
C57H104O6 + H2O = C3H5(OH)3 + C17H33COOH =>
C57H104O6 + 3 H2O = C3H5(OH)3 + 3 C17H33COOH
H2SO4 + CH4 = CO2 + H2O + S =>
4 H2SO4 + 3 CH4 = 3 CO2 + 10 H2O + 4 S
H(OH) = H2 + O2 =>
2 H(OH) = 2 H2 + O2
Fe(OH)2 + Br2 + KOH = Fe2O3 + KBr + H2O =>
2 Fe(OH)2 + Br2 + 2 KOH = Fe2O3 + 2 KBr + 3 H2O
Fe(NO3)3 + Ag2S = Fe2S3 + AgNO3 =>
2 Fe(NO3)3 + 3 Ag2S = Fe2S3 + 6 AgNO3
CoCl2 + KCN + H2O = K3[Co(CN)6] + KCl + KOH + H2 =>
2 CoCl2 + 12 KCN + 2 H2O = 2 K3[Co(CN)6] + 4 KCl + 2 KOH + H2
Na2SO4 + H2O = Na2O + H2SO4 =>
Na2SO4 + H2O = Na2O + H2SO4
Au + MgSO4 = Au2(SO4)3 + Mg =>
2 Au + 3 MgSO4 = Au2(SO4)3 + 3 Mg
Cr(IO4)3 + KOH + Cl2 = K2CrO4 + KIO4 + KCl + H2O =>
2 Cr(IO4)3 + 16 KOH + 3 Cl2 = 2 K2CrO4 + 6 KIO4 + 6 KCl + 8 H2O
Fe2O3 + C4 = Fe + C2O4 =>
8 Fe2O3 + 3 C4 = 16 Fe + 6 C2O4
C20H30O + O2 = CO2 + H2O =>
C20H30O + 27 O2 = 20 CO2 + 15 H2O
K3[Fe(SCN)6] + KF = K3[FeF6] + KSCN =>
K3[Fe(SCN)6] + 6 KF = K3[FeF6] + 6 KSCN
As2O3 = As2 + O3 =>
As2O3 = As2 + O3
KNO3 + C6H12O6 = CO2 + H2O + KNO2 =>
12 KNO3 + C6H12O6 = 6 CO2 + 6 H2O + 12 KNO2
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