| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Cu + SO2 = 2 CuO + S
OH + HCl = H2O + Cl2 =>
2 OH + 2 HCl = 2 H2O + Cl2
FeSO4(aq) + H2O2(aq) + H2SO4(aq) = Fe2(SO4)3(aq) + H2O =>
2 FeSO4(aq) + H2O2(aq) + H2SO4(aq) = Fe2(SO4)3(aq) + 2 H2O
Ca3(PO4)2 + C + SiO2 = P + CO + CaSiO3 =>
Ca3(PO4)2 + 5 C + 3 SiO2 = 2 P + 5 CO + 3 CaSiO3
P + SO2 = P2SO2 =>
2 P + SO2 = P2SO2
HClO4 + H2O = H3O + ClO4 =>
HClO4 + H2O = H3O + ClO4
KF + Na(CO3) = KCO3 + NaF =>
KF + Na(CO3) = KCO3 + NaF
NaCH3COO + NiBr2 = Ni(CH3COO)2 + NaBr =>
2 NaCH3COO + NiBr2 = Ni(CH3COO)2 + 2 NaBr
Rb + P = Rb3P =>
3 Rb + P = Rb3P
C12H26 + H = C6H14 =>
C12H26 + 2 H = 2 C6H14
PB(NO3)2(aq) + KCl(aq) = PBCl2(s) + KNO3(aq) =>
PB(NO3)2(aq) + 2 KCl(aq) = PBCl2(s) + 2 KNO3(aq)
Ag2S + Cl2 = AgCl + S =>
Ag2S + Cl2 = 2 AgCl + S
NaClNa2SO4 = NaOClNa2SO3 =>
NaClNa2SO4 = NaOClNa2SO3
Fe + O2 + H2O = Fe(OH)2 =>
2 Fe + O2 + 2 H2O = 2 Fe(OH)2
Cu(SO4) + Ag(NO3) = Cu(NO3)2 + Ag2SO4 =>
Cu(SO4) + 2 Ag(NO3) = Cu(NO3)2 + Ag2SO4
NH3 + I = (NI3) + H2 =>
2 NH3 + 6 I = 2(NI3) + 3 H2
HCl + Na2S = HS + Na2Cl =>
HCl + Na2S = HS + Na2Cl
BaCl2 + O2 = BaO + Cl2O =>
BaCl2 + O2 = BaO + Cl2O
Br2 + CaI2 = CaBr2 + I2 =>
Br2 + CaI2 = CaBr2 + I2
(NH4)3PO4 + Ca(NO3)2 = NH4NO3 + Ca3(PO4)2 =>
2(NH4)3PO4 + 3 Ca(NO3)2 = 6 NH4NO3 + Ca3(PO4)2
(NH4)2(NO3) + Na(OH) = Na2(NO3) + NH3 + H2O =>
(NH4)2(NO3) + 2 Na(OH) = Na2(NO3) + 2 NH3 + 2 H2O
Cr + HCl = CrCl3 + H2 =>
2 Cr + 6 HCl = 2 CrCl3 + 3 H2
TiO2 + Mg + C = TiC + MgO2 =>
TiO2 + Mg + C = TiC + MgO2
Fe{+2} + K2Cr2O7 + H{+} = Fe{+3} + Cr{+3} + H2O + K{+} =>
6 Fe{+2} + K2Cr2O7 + 14 H{+} = 6 Fe{+3} + 2 Cr{+3} + 7 H2O + 2 K{+}
CH3MgCl + H2O = CH4 + Mg(OH)2MgCl2 =>
2 CH3MgCl + 2 H2O = 2 CH4 + Mg(OH)2MgCl2
HCl(aq) + NaOH(aq) = NaCl(aq) + H2O(i) =>
HCl(aq) + NaOH(aq) = NaCl(aq) + H2O(i)
KIO3 + NaHSO3 = I2 + Na2SO4 + H2SO4 + K2SO4 + H2O =>
4 KIO3 + 10 NaHSO3 = 2 I2 + 5 Na2SO4 + 3 H2SO4 + 2 K2SO4 + 2 H2O
NOH + H3PO4 = N3PO4 + H2O =>
3 NOH + H3PO4 = N3PO4 + 3 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NOH + H3PO4 = N3PO4 + H2O =>
3 NOH + H3PO4 = N3PO4 + 3 H2O
NaPO3 = (NaPO3)6 =>
6 NaPO3 = (NaPO3)6
AgNO3(s) = Ag(s) + NO3(g) =>
AgNO3(s) = Ag(s) + NO3(g)
PHCH3 + KMnO4 + H2SO4 = PHCOOH + K2SO4 + MnSO4 + H2O =>
5 PHCH3 + 6 KMnO4 + 9 H2SO4 = 5 PHCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Cr2S3 + Mg(NO3)2 = MgS + Cr(NO3)3 =>
Cr2S3 + 3 Mg(NO3)2 = 3 MgS + 2 Cr(NO3)3
PbO + HNO3 = Pb(NO3)2 + H2O =>
PbO + 2 HNO3 = Pb(NO3)2 + H2O
Li3P1O4 + Na1Br1 = Na3P1O4 + LiBr =>
Li3P1O4 + 3 Na1Br1 = Na3P1O4 + 3 LiBr
K2Cr2O7 + CaCl2 + NaOH = CaCrO4 + KCl + NaCl + H2O =>
K2Cr2O7 + 2 CaCl2 + 2 NaOH = 2 CaCrO4 + 2 KCl + 2 NaCl + H2O
Zn + Fe(NO3)3 = Fe + Zn(NO3)2 =>
3 Zn + 2 Fe(NO3)3 = 2 Fe + 3 Zn(NO3)2
Zr + NaOH = ZrOH + Na =>
Zr + NaOH = ZrOH + Na
Ra + H2O = RaOH2 = H2 =>
Ra + H2O = RaOH2
ZnS + Cu = CuS + Zn =>
ZnS + Cu = CuS + Zn
BaC2O4 + SnCr2O7 = BaCr2O7 + SnC2O4 =>
BaC2O4 + SnCr2O7 = BaCr2O7 + SnC2O4
[Cu(NH3)4(H2O)2]{+2} + H2SO4 = CuSO4 + (NH4)2SO4 + H3O{+1) =>
[Cu(NH3)4(H2O)2]{+2} + 3 H2SO4 = CuSO4 + 2(NH4)2SO4 + 2 H3O{+1)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CH3(CO2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CO2)6CH3 + 7 O2 = 16 CO2 + 6 H2O
K2O + PbSO4 = K2SO4 + PbO =>
K2O + PbSO4 = K2SO4 + PbO
ZnSO4 + Br2 = S8 + Zn + Br2O =>
8 ZnSO4 + 32 Br2 = S8 + 8 Zn + 32 Br2O
KMnO4 + C6H5CHO = K + C6H5COOH + MnO2 =>
KMnO4 + 2 C6H5CHO = K + 2 C6H5COOH + MnO2
CaCl2(aq) + (NH4)2CO3 = CaCO3 + NH4Cl =>
CaCl2(aq) + (NH4)2CO3 = CaCO3 + 2 NH4Cl
PH3 + KMnO4 + H2SO4 = P2O5 + K2SO4 + MnO2 + H2O =>
6 PH3 + 16 KMnO4 + 8 H2SO4 = 3 P2O5 + 8 K2SO4 + 16 MnO2 + 17 H2O
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