Équations équilibrées la veille |
H3COOH + 2 CaCO3 = 3 CO2 + 2 H2O + 2 Ca
CO2H2O = H2CO3 =>
CO2H2O = H2CO3
SO4{2-} + MnO4{-} + H{+} = H2O + Mn{2+} + S2O8{2-} =>
10 SO4{2-} + 2 MnO4{-} + 16 H{+} = 8 H2O + 2 Mn{2+} + 5 S2O8{2-}
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
Fe + AgC2H3O2 = Fe(C2H3O2)2 + Ag =>
Fe + 2 AgC2H3O2 = Fe(C2H3O2)2 + 2 Ag
Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(s) + KNO3(aq) =>
Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(s) + 2 KNO3(aq)
Cr2O3 + H2O = Cr(OH)3 =>
Cr2O3 + 3 H2O = 2 Cr(OH)3
Mg + I2 = MgI2 =>
Mg + I2 = MgI2
C5H5N + O2 = CO2 + H2O + NO2 =>
4 C5H5N + 29 O2 = 20 CO2 + 10 H2O + 4 NO2
Tl2O3 + HCl = TlCl + Cl2 + H2O =>
Tl2O3 + 6 HCl = 2 TlCl + 2 Cl2 + 3 H2O
FeCl3 + NaSO = Fe(SO)3 + NaCl =>
FeCl3 + 3 NaSO = Fe(SO)3 + 3 NaCl
Pb + H2Cr2O7 = PbCr2O7 + H2 =>
Pb + H2Cr2O7 = PbCr2O7 + H2
Sr3P2 = Sr3 + P2 =>
Sr3P2 = Sr3 + P2
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
C2H6O + C9H8O4 = C7H6O3 + C2H4O =>
C2H6O + C9H8O4 = C7H6O3 + 2 C2H4O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Mg3(PO4)2 + SiO2 + C = MgSiO3 + P4 + CO =>
2 Mg3(PO4)2 + 6 SiO2 + 10 C = 6 MgSiO3 + P4 + 10 CO
Cl2 + NaI = NaCl + I2 =>
Cl2 + 2 NaI = 2 NaCl + I2
Ca + Ca(NO3)2 = CaO + N2 =>
5 Ca + Ca(NO3)2 = 6 CaO + N2
Fe2(SO4)3 + Ba(NO3)2 = Fe(NO3)3 + BaSO4 =>
Fe2(SO4)3 + 3 Ba(NO3)2 = 2 Fe(NO3)3 + 3 BaSO4
As(OH)3 = As2O3 + H2O =>
2 As(OH)3 = As2O3 + 3 H2O
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
H2SO4 + Na2CO3 = Na2SO4 + H2CO3 =>
H2SO4 + Na2CO3 = Na2SO4 + H2CO3
Cr(HCO3)3 + HCl = CrCl3 + CO2 + H2O =>
Cr(HCO3)3 + 3 HCl = CrCl3 + 3 CO2 + 3 H2O
HClO + Fe(OH)2 = Fe(ClO)2 + H2O =>
2 HClO + Fe(OH)2 = Fe(ClO)2 + 2 H2O
Mg(s) + Cu{2+}(aq) = Cu(s) + Mg{2+}(aq) =>
Mg(s) + Cu{2+}(aq) = Cu(s) + Mg{2+}(aq)
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
CrCl3 + H2S = CrCl2 + HCl + S =>
2 CrCl3 + H2S = 2 CrCl2 + 2 HCl + S
FeO3(s) + CO(g) = Fe(l) + CO2(g) =>
FeO3(s) + 3 CO(g) = Fe(l) + 3 CO2(g)
AlCl3 + CH3COONa + H2O = Al(OH)3 + CH3COOH + NaCl =>
AlCl3 + 3 CH3COONa + 3 H2O = Al(OH)3 + 3 CH3COOH + 3 NaCl
Pb(NO3)2 + H2O2 = PbO2 + HNO3 =>
Pb(NO3)2 + H2O2 = PbO2 + 2 HNO3
NaNO3 + CO2 = NO2 + NaCO3 =>
NaNO3 + CO2 = NO2 + NaCO3
Ba + H2O = Ba(OH) + H2 =>
2 Ba + 2 H2O = 2 Ba(OH) + H2
BrF3 = Br + F2 =>
2 BrF3 = 2 Br + 3 F2
Cu2NO3 + KI = Cu2I + KNO3 =>
Cu2NO3 + KI = Cu2I + KNO3
BrF3 = Br + F =>
BrF3 = Br + 3 F
Na3PO4 + CaCrO4 = Na2CrO4 + Ca3(PO4)2 =>
2 Na3PO4 + 3 CaCrO4 = 3 Na2CrO4 + Ca3(PO4)2
Fe + SnO = Sn + Fe2O3 =>
2 Fe + 3 SnO = 3 Sn + Fe2O3
Br2O3 + KOH = KBrO3 + H2O + KBr =>
3 Br2O3 + 6 KOH = 4 KBrO3 + 3 H2O + 2 KBr
Mg(NO3)2 + Na3PO4 = Mg3(PO4)2 + NaNO3 =>
3 Mg(NO3)2 + 2 Na3PO4 = Mg3(PO4)2 + 6 NaNO3
ZnBr2(aq) + Na3PO4(aq) = NaBr + Zn3(PO4)2 =>
3 ZnBr2(aq) + 2 Na3PO4(aq) = 6 NaBr + Zn3(PO4)2
NH3 + O2 + CH4 = HCN + H2O =>
2 NH3 + 3 O2 + 2 CH4 = 2 HCN + 6 H2O
K(k) + S(k) = K2S9(k) =>
2 K(k) + 9 S(k) = K2S9(k)
Co(OH)2 + NH3 = Co(NH3)6{2+} + OH{-} =>
Co(OH)2 + 6 NH3 = Co(NH3)6{2+} + 2 OH{-}
Si4 + NaOH = Na4SiO4 + H2 =>
Si4 + 16 NaOH = 4 Na4SiO4 + 8 H2
CuCl + Pb(NO3)2 = CuNO3 + PbCl2 =>
2 CuCl + Pb(NO3)2 = 2 CuNO3 + PbCl2
Cr(OH)3 + MnO4 = CrO4 + MnO2 + H =>
2 Cr(OH)3 + MnO4 = 2 CrO4 + MnO2 + 6 H
H2O + NaOH + H2O2 + Cu2O = Na2[Cu(OH)4] =>
H2O + 4 NaOH + H2O2 + Cu2O = 2 Na2[Cu(OH)4]
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