| Équations équilibrées la veille | Équations équilibrées le lendemain |
Pb + 4 H{+} = Pb{4+} + 4 H
C6H9OH + CuO = C6H8O + H2O + Cu =>
C6H9OH + CuO = C6H8O + H2O + Cu
Ca + N2O2 = CaO + Ca3N2 =>
5 Ca + N2O2 = 2 CaO + Ca3N2
C6H13O9P + C10H16N5O14P3 = C16H25N5O16P2 + P2H4O7 =>
C6H13O9P + C10H16N5O14P3 = C16H25N5O16P2 + P2H4O7
CaCO + ClOH = CaCl2 + CO2 + H2O =>
CaCO + 2 ClOH = CaCl2 + CO2 + H2O
Sr + K2CrO4 = SrCrO4 + K2 =>
Sr + K2CrO4 = SrCrO4 + K2
K2Cr2O7 + H2SO4 + Na2SO3 = Cr2(SO4)3 + NaSO4 + KSO4 + H2O =>
K2Cr2O7 + 6 H2SO4 + Na2SO3 = Cr2(SO4)3 + 2 NaSO4 + 2 KSO4 + 6 H2O
(NH4)Br + Ba(NO3)2 = NH4NO3 + BaBr2 =>
2(NH4)Br + Ba(NO3)2 = 2 NH4NO3 + BaBr2
sodiumbromide + calciumhydroxide = CaBr2 + sodiumhydroxide =>
2 NaBr + Ca(OH)2 = CaBr2 + 2 NaOH
Zn(NO3)2 + H2S = H2O + NO2 + O2 + ZnS =>
2 Zn(NO3)2 + 2 H2S = 2 H2O + 4 NO2 + O2 + 2 ZnS
CaOH2 = CaH2O =>
CaOH2 = CaH2O
CH2O + AgN2H7O = CO2 + H2O + Ag + NH3 =>
CH2O + 4 AgN2H7O = CO2 + 3 H2O + 4 Ag + 8 NH3
Pb(NO3)3 + K2CrO4 = Pb2(CrO4)3 + KNO3 =>
2 Pb(NO3)3 + 3 K2CrO4 = Pb2(CrO4)3 + 6 KNO3
Al + H2O = Al*H2O =>
Al + H2O = Al*H2O
MoO3(s) + H2(g) = Mo(s) + H2O(g) =>
MoO3(s) + 3 H2(g) = Mo(s) + 3 H2O(g)
Na + Cl = NaCl =>
Na + Cl = NaCl
Cl{+} + {-} = Cl =>
Cl{+} + e = Cl
P4 + KOH + H2O = KH2PO2 + PH =>
P4 + 2 KOH + 2 H2O = 2 KH2PO2 + 2 PH
Cr(NO3)2 + Na2SO4 = CrSO4 + NaNO3 =>
Cr(NO3)2 + Na2SO4 = CrSO4 + 2 NaNO3
Se + HNO3 = Se(NO3)3 + NH4NO3 + H2O =>
8 Se + 30 HNO3 = 8 Se(NO3)3 + 3 NH4NO3 + 9 H2O
X + H2SO4 = XSO4 + H2O + SO2 =>
X + 2 H2SO4 = XSO4 + 2 H2O + SO2
Mg(OH)2 + C2H5COOH = Mg(C2H5COO)2 + H2O =>
Mg(OH)2 + 2 C2H5COOH = Mg(C2H5COO)2 + 2 H2O
C6H10O + CH4O + NaBH4 = C6H12O + H3BO3 + Na =>
41 C6H10O + 36 CH4O + 10 NaBH4 = 47 C6H12O + 10 H3BO3 + 10 Na
AgCl + NaNO3 + HNO3 + NH3 = Ag(NH3)2 + NaCl + H(NO3)2 =>
AgCl + NaNO3 + HNO3 + 2 NH3 = Ag(NH3)2 + NaCl + H(NO3)2
CO + H2 = C4H9OH + H2O =>
4 CO + 8 H2 = C4H9OH + 3 H2O
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
I4O9 + H2O = HIO3 + HI =>
3 I4O9 + 6 H2O = 11 HIO3 + HI
CO3(aq) + Cu = Cu2CO3(s) =>
CO3(aq) + 2 Cu = Cu2CO3(s)
(C4H10)(l) + O(g) = CO2(g) + H2O(l) =>
(C4H10)(l) + 13 O(g) = 4 CO2(g) + 5 H2O(l)
Sn(ClO3)4 + NaCl = SnCl4 + Na(ClO3) =>
Sn(ClO3)4 + 4 NaCl = SnCl4 + 4 Na(ClO3)
CaO*Al2O3*2(SiO2) + H + H2O = Al(OH)3 + H2SiO3 + Ca =>
CaO*Al2O3*2(SiO2) + 2 H + 4 H2O = 2 Al(OH)3 + 2 H2SiO3 + Ca
Co2(SO4)3(aq) + KI(aq) = CoI2(aq) + K2SO4(aq) + I2(aq) =>
Co2(SO4)3(aq) + 6 KI(aq) = 2 CoI2(aq) + 3 K2SO4(aq) + I2(aq)
Ba(NO3)2 + Al2(SO3)3 = Al(NO3)3 + BaSO3 =>
3 Ba(NO3)2 + Al2(SO3)3 = 2 Al(NO3)3 + 3 BaSO3
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
CO2 + H2O + Ag = H2CO + Ag2O =>
CO2 + H2O + 4 Ag = H2CO + 2 Ag2O
MgOH + PO = MgPO + OH =>
MgOH + PO = MgPO + OH
Sm2O3 + HNO3 = Sm(NO3)3 + H2O =>
Sm2O3 + 6 HNO3 = 2 Sm(NO3)3 + 3 H2O
C6H10O + HNO3 = C2H2O4 + NO2 + H2O =>
C6H10O + 26 HNO3 = 3 C2H2O4 + 26 NO2 + 15 H2O
Fe2O6 + CO = Fe + CO2 =>
Fe2O6 + 6 CO = 2 Fe + 6 CO2
P2H4 + KMnO4 + H2SO4 = H3PO4 + MnSO4 + K2SO4 + H2O =>
5 P2H4 + 14 KMnO4 + 21 H2SO4 = 10 H3PO4 + 14 MnSO4 + 7 K2SO4 + 16 H2O
Cu(No3)2 + Na2Co3 = (No3)Na + CuCo3 =>
Cu(No3)2 + Na2Co3 = 2(No3)Na + CuCo3
H3PO4 + Pb(C2H3O2)2 = Pb3(PO4)2 + HC2H3O2 =>
2 H3PO4 + 3 Pb(C2H3O2)2 = Pb3(PO4)2 + 6 HC2H3O2
Mg + Al(NO3)2(aq) = Mg(NO3)2 + Al =>
Mg + Al(NO3)2(aq) = Mg(NO3)2 + Al
I2 + K2S03 + KOH = KI + K2SO4 + H2O =>
10 I2 + K2S03 + 24 KOH = 20 KI + 3 K2SO4 + 12 H2O
MnO4{-} + MnO2 + OH{-} = MnO4{-2} + H2O =>
2 MnO4{-} + MnO2 + 4 OH{-} = 3 MnO4{-2} + 2 H2O
HCl + C20H14O4 + NaOH = NaCl + H3O + HC20 =>
HCl + C20H14O4 + NaOH = NaCl + 5 H3O + HC20
Al(s) + FeCl2(aq) = AlCl + Fe =>
2 Al(s) + FeCl2(aq) = 2 AlCl + Fe
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
CH3CHCH2 + Br2(aq) = CH3CHBrCBrH2 =>
CH3CHCH2 + Br2(aq) = CH3CHBrCBrH2
C2H2 + AgNO3 = Ag2C2AgNO3 + HNO3 =>
C2H2 + 3 AgNO3 = Ag2C2AgNO3 + 2 HNO3
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