| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 HCOOH + 2 Li = 2 HCOOLi + H2
C13H10O + NaBH4 = C13H12O + NaBH3 =>
C13H10O + 2 NaBH4 = C13H12O + 2 NaBH3
NH3 + NaBrO3 = N2 + NaBr + H2O =>
2 NH3 + NaBrO3 = N2 + NaBr + 3 H2O
(d)SO2(g) + O2(g) = SO3(g) =>
2(d)SO2(g) + O2(g) = 2 SO3(g)
MnO4{-} + Fe2 + H{+} = Mn2{+} + Fe3{+} + H2O =>
4 MnO4{-} + 39 Fe2 + 32 H{+} = 2 Mn2{+} + 26 Fe3{+} + 16 H2O
K2Cr2O7 + Zn + H2SO4 = ZnSO4 + CrSO4 + K2SO4 + H2O =>
K2Cr2O7 + 4 Zn + 7 H2SO4 = 4 ZnSO4 + 2 CrSO4 + K2SO4 + 7 H2O
CH5NHCl + NaOH*35CH4O = CH3NH2 + H2O + NaCl + CH4O =>
CH5NHCl + NaOH*35CH4O = CH3NH2 + H2O + NaCl + 35 CH4O
NC1 = N2 + C12 =>
12 NC1 = 6 N2 + C12
Mg(s) + AlCl3(aq) = MgCl3(aq) + Al =>
Mg(s) + AlCl3(aq) = MgCl3(aq) + Al
Pb(NO3)2 + K4[Fe(CN)6] = Pb2[Fe(CN)6] + KNO3 =>
2 Pb(NO3)2 + K4[Fe(CN)6] = Pb2[Fe(CN)6] + 4 KNO3
SO4 + H2O = HS + OH =>
SO4 + 5 H2O = HS + 9 OH
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
Na2CO3 + CaCl2*2H2O = CaCO3(s) + NaCl(aq) + H2O =>
Na2CO3 + CaCl2*2H2O = CaCO3(s) + 2 NaCl(aq) + 2 H2O
NaClO + CH3CH2OH = CH3CH2OCl + NaOH =>
NaClO + CH3CH2OH = CH3CH2OCl + NaOH
[Co(NH3)6]Cl2 + H2O2 + NH4Cl = [Co(NH3)6]Cl3 + NH4OH =>
2[Co(NH3)6]Cl2 + H2O2 + 2 NH4Cl = 2[Co(NH3)6]Cl3 + 2 NH4OH
C9H13NH2O = C9H14NOH =>
C9H13NH2O = C9H14NOH
C342H1082O300N11 = CH4 + CO2 + H2O + NH3 =>
8 C342H1082O300N11 = 1817 CH4 + 919 CO2 + 562 H2O + 88 NH3
C2H7 + Cl2 = C + HCl =>
2 C2H7 + 7 Cl2 = 4 C + 14 HCl
H2C2O4*2(H2O) + K2Cr2O7 = K[Cr(C2O4)2(H2O)2](H2O) + H2O + CO2 =>
7 H2C2O4*2(H2O) + K2Cr2O7 = 2 K[Cr(C2O4)2(H2O)2](H2O) + 15 H2O + 6 CO2
NH4Cl + KMnO4 + H2SO4 = K2SO4 + MnSO4 + (NH4)2SO4 + H2O + Cl2 =>
10 NH4Cl + 2 KMnO4 + 8 H2SO4 = K2SO4 + 2 MnSO4 + 5(NH4)2SO4 + 8 H2O + 5 Cl2
H2O = []H2O =>
H2O = []H2O
K2CrO4 + MgCl2 = K2Cl2 + MgCrO4 =>
K2CrO4 + MgCl2 = K2Cl2 + MgCrO4
CaCl2 + NaOH = Ca(OH)2 + NaCl =>
CaCl2 + 2 NaOH = Ca(OH)2 + 2 NaCl
CH3COOH + Zn(OH)2 = Zn(O2CCH3)2 + H2O =>
2 CH3COOH + Zn(OH)2 = Zn(O2CCH3)2 + 2 H2O
Zn + CH3COOH = Zn(C2H3O2) + H2 =>
2 Zn + 2 CH3COOH = 2 Zn(C2H3O2) + H2
C2H2 + KMnO4 + KOH = K2MnO4 + K2C2O4 + H2O =>
C2H2 + 8 KMnO4 + 10 KOH = 8 K2MnO4 + K2C2O4 + 6 H2O
NH4Cl + NaNO2 = NH4(NO2) + NaCl =>
NH4Cl + NaNO2 = NH4(NO2) + NaCl
CH3CH202 + O2 = CO2 + H2O =>
4 CH3CH202 + 213 O2 = 8 CO2 + 410 H2O
K2Co3 + H3PO4 = H3Co3 + K2PO4 =>
K2Co3 + H3PO4 = H3Co3 + K2PO4
Ca3(PO4)2 + SiO2 + C = CaSiO3(s) + CO + P =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3(s) + 5 CO + 2 P
HClO2 + Mg(OH)2 = MgCl2 + H2O + O2 =>
2 HClO2 + Mg(OH)2 = MgCl2 + 2 H2O + 2 O2
NH3 + H3SO4 = NSO4 + H6 =>
NH3 + H3SO4 = NSO4 + H6
NiCl2 + NH4OH = Ni(OH)2(s) + NH4Cl =>
NiCl2 + 2 NH4OH = Ni(OH)2(s) + 2 NH4Cl
NH3 + HClO = N2 + Cl + H2O =>
2 NH3 + 6 HClO = N2 + 6 Cl + 6 H2O
ZnO + Cu(OH)2 = CuZnO2 + H2O =>
ZnO + Cu(OH)2 = CuZnO2 + H2O
Cd + Au3 = Cd2Au =>
6 Cd + Au3 = 3 Cd2Au
CH3CH2OH + K2Cr2O7 + HCl = CH3COOH + CrCl3 + H2O + KCl =>
3 CH3CH2OH + 2 K2Cr2O7 + 16 HCl = 3 CH3COOH + 4 CrCl3 + 11 H2O + 4 KCl
Na + HBrO = H2 + NaBrO =>
2 Na + 2 HBrO = H2 + 2 NaBrO
K2S2O5 + H2O + HAuCl4 = K2SO4 + HCl + SO2 + Au =>
3 K2S2O5 + 3 H2O + 2 HAuCl4 = 3 K2SO4 + 8 HCl + 3 SO2 + 2 Au
CH3OK + CH3I = CH3OCH3 + KI =>
CH3OK + CH3I = CH3OCH3 + KI
H2C2O4*KHC2O4 + NaOH = KHC2O4 + NaHC2O4 + H2O =>
H2C2O4*KHC2O4 + NaOH = KHC2O4 + NaHC2O4 + H2O
H2SO4 + CuS2O3 = CuSO4 + SO2 + H2O =>
3 H2SO4 + CuS2O3 = CuSO4 + 4 SO2 + 3 H2O
Bi(OH)2NO3 + HOH = Bi(OH)3 + HNO3 =>
Bi(OH)2NO3 + HOH = Bi(OH)3 + HNO3
HBr + HNO2 = Br2 + NO + H2O =>
2 HBr + 2 HNO2 = Br2 + 2 NO + 2 H2O
MnO2 + K2CrO4 + H2SO4 = KMnO4 + Cr2(SO4)3 + K2SO4 + H2O =>
2 MnO2 + 2 K2CrO4 + 4 H2SO4 = 2 KMnO4 + Cr2(SO4)3 + K2SO4 + 4 H2O
CO2 + NaOH(H2O) = NaHCO3 + H2O =>
CO2 + NaOH(H2O) = NaHCO3 + H2O
H2 + BBr = HBr + B =>
H2 + 2 BBr = 2 HBr + 2 B
Zn + FeSO3 = ZnSO3 + Fe =>
Zn + FeSO3 = ZnSO3 + Fe
HCl(aq) + NiCO3(s) = CO2 + H2O + NiCl2 =>
2 HCl(aq) + NiCO3(s) = CO2 + H2O + NiCl2
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