| Équations équilibrées la veille |
BaS + PtF2 = BaF2 + PtS
HNO3 + Cu = Cu(NO3)2 + H2O + N204 =>
1224 HNO3 + 510 Cu = 510 Cu(NO3)2 + 612 H2O + N204
XKMnO4 + H2SO4 + FeSO4 = XMnSO4 + H2O + Fe2(SO4)3 + K2SO4 =>
2 XKMnO4 + 8 H2SO4 + 10 FeSO4 = 2 XMnSO4 + 8 H2O + 5 Fe2(SO4)3 + K2SO4
Na2SO3 + H2SO3 = NaHSO3 =>
Na2SO3 + H2SO3 = 2 NaHSO3
B + O2 = B2O3 =>
4 B + 3 O2 = 2 B2O3
HBr + Ca(OH)2 = Br + H2O + Ca =>
2 HBr + Ca(OH)2 = 2 Br + 2 H2O + Ca
KY + CuSO4 = CuY + Y2 + K2SO4 =>
4 KY + 2 CuSO4 = 2 CuY + Y2 + 2 K2SO4
Pd + H2O = PdO + H2 =>
Pd + H2O = PdO + H2
O + CS2 = CO2 + SO2 =>
6 O + CS2 = CO2 + 2 SO2
HCl(ac) + CaCO3(s) = CO2(g) + H2O(l) + CaCl2(ac) =>
2 HCl(ac) + CaCO3(s) = CO2(g) + H2O(l) + CaCl2(ac)
BaCl2 + NaIO3 = BaIO3 + NaCl2 =>
BaCl2 + NaIO3 = BaIO3 + NaCl2
ZnCO3 + Fe(OH)3 = Zn(OH)2 + Fe2(CO3)3 =>
3 ZnCO3 + 2 Fe(OH)3 = 3 Zn(OH)2 + Fe2(CO3)3
KH2PO4 = K + H + P + O =>
KH2PO4 = K + 2 H + P + 4 O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
K2SO4 + NH3 = (NH3)2SO4 + K =>
K2SO4 + 2 NH3 = (NH3)2SO4 + 2 K
Na2V6O16 + NaOH = Na4V2O7 + HVO3 =>
3 Na2V6O16 + 10 NaOH = 4 Na4V2O7 + 10 HVO3
CaCO3 + HNO3 = Ca(NO3)2 + H2CO3 =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + H2CO3
S(s) + O2 = SO2(g) =>
S(s) + O2 = SO2(g)
SO2 + Li2Se = SSe2 + Li2O =>
SO2 + 2 Li2Se = SSe2 + 2 Li2O
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
F2 + HBr = H + FBr =>
F2 + 2 HBr = 2 H + 2 FBr
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
C + H2O = C6H6 + CO2 =>
15 C + 6 H2O = 2 C6H6 + 3 CO2
H2SO3 + NH3 = NH4 + SO3 =>
H2SO3 + 2 NH3 = 2 NH4 + SO3
HBrO4 + Pt(OH)4 = Pt(BrO4)4 + H2O =>
4 HBrO4 + Pt(OH)4 = Pt(BrO4)4 + 4 H2O
Al + H3(PO4) = H2 + Al3(PO4) =>
6 Al + 2 H3(PO4) = 3 H2 + 2 Al3(PO4)
NH4FeCl2 = FeCl2NH4 =>
NH4FeCl2 = FeCl2NH4
CaO(s) + H{2}O(l) = Ca(OH){2}(aq) =>
CaO(s) + H{2}O(l) = Ca(OH){2}(aq)
H2SO3 + NH3 = NH4 + SO3 =>
H2SO3 + 2 NH3 = 2 NH4 + SO3
NH3 + H2SO3 = (NH4)2SO3 =>
2 NH3 + H2SO3 = (NH4)2SO3
K2Cr2O7 + BaCl2 + CH3COONa + H2O = BaCrO4 + CH3COOH + KCl + Na2CrO4 =>
K2Cr2O7 + BaCl2 + 2 CH3COONa + H2O = BaCrO4 + 2 CH3COOH + 2 KCl + Na2CrO4
FeSO4 + HNO2 + H2SO4 = Fe2(SO4)3 + NO + H2O =>
2 FeSO4 + 2 HNO2 + H2SO4 = Fe2(SO4)3 + 2 NO + 2 H2O
CrCl3 + K2CO3 + H2O = Cr(OH)3 + H2CO3 + KCl =>
2 CrCl3 + 3 K2CO3 + 6 H2O = 2 Cr(OH)3 + 3 H2CO3 + 6 KCl
AgNO3 + KClO4 = KNO3 + AgClO4 =>
AgNO3 + KClO4 = KNO3 + AgClO4
Na2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + H2O + Na2SO4 + K2SO4 + I2 =>
Na2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 7 H2O + Na2SO4 + 3 K2SO4 + 3 I2
Hg2SO4 + NaOH = HgOH + Na2SO4 =>
Hg2SO4 + 2 NaOH = 2 HgOH + Na2SO4
BCl3 + NH3 = Cl3BNH3 =>
BCl3 + NH3 = Cl3BNH3
Ca(HCO3)2(aq) + HC2H3O3(aq) = Ca(C2H3O3)2(aq) + CO2(g) + H2O(l) =>
Ca(HCO3)2(aq) + 2 HC2H3O3(aq) = Ca(C2H3O3)2(aq) + 2 CO2(g) + 2 H2O(l)
Ca + AlCl = AlCaCl =>
Ca + AlCl = AlCaCl
MnCl4 = Mn + Cl2 =>
MnCl4 = Mn + 2 Cl2
Zn + Pb6(NO3) = Pb6 + Zn(NO3)2 =>
Zn + 2 Pb6(NO3) = 2 Pb6 + Zn(NO3)2
CH4O = C2H4 + H2O =>
2 CH4O = C2H4 + 2 H2O
Zn(OH)2 = Zn2 + H2O + O2 =>
2 Zn(OH)2 = Zn2 + 2 H2O + O2
BaHPO4 + NaOH = Na3PO4 + Ba(OH)2 + H2O =>
BaHPO4 + 3 NaOH = Na3PO4 + Ba(OH)2 + H2O
Al + N2O5 = Al2O3 + N2 =>
10 Al + 3 N2O5 = 5 Al2O3 + 3 N2
Pb + HCl = PbCl2 + H2 =>
Pb + 2 HCl = PbCl2 + H2
KI + Fe(C2H3O2)2 = K(C2H3O2) + FeI2 =>
2 KI + Fe(C2H3O2)2 = 2 K(C2H3O2) + FeI2
Cr + HNO3 = NO2 + Cr(NO3) + H2O =>
Cr + 2 HNO3 = NO2 + Cr(NO3) + H2O
Cr{3+} + S2O8{2-} + H2O = Cr2O7{2-} + SO4{2-} + H{+} =>
2 Cr{3+} + 3 S2O8{2-} + 7 H2O = Cr2O7{2-} + 6 SO4{2-} + 14 H{+}
C5H10 + H3PO4 = CO2 + PO2 + H2O =>
C5H10 + 30 H3PO4 = 5 CO2 + 30 PO2 + 50 H2O
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