Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Cr2O7{-}2 + 28 H{+} + 22 I{-} = 4 Cr{+} + 11 I2 + 14 H2O
Mg(NO3)2 + K2SO3 = KNO3 + MgSO3 =>
Mg(NO3)2 + K2SO3 = 2 KNO3 + MgSO3
K4[Fe(CN)6] + K2Cr2O7 + H2SO4 = K3[Fe(CN)6] + Cr2(SO4)3 + K2SO4 + H2O =>
6 K4[Fe(CN)6] + K2Cr2O7 + 7 H2SO4 = 6 K3[Fe(CN)6] + Cr2(SO4)3 + 4 K2SO4 + 7 H2O
Cl + CaBr2 = Ca + ClBr =>
2 Cl + CaBr2 = Ca + 2 ClBr
Mn(OH)2 + MnO4 = MnO2 + H2O =>
2 Mn(OH)2 + MnO4 = 3 MnO2 + 2 H2O
Cr2O3 + Na2CO3 + KNO3 = Na2CrO4 + CO2 + KNO2 =>
Cr2O3 + 2 Na2CO3 + 3 KNO3 = 2 Na2CrO4 + 2 CO2 + 3 KNO2
Al{3+} + CuCl{2+} = AlCl{3+} + Cu{2} =>
Al{3+} + CuCl{2+} = AlCl{3+} + Cu{2}
KCO5 + O2 = KCO7 =>
KCO5 + O2 = KCO7
Pb(CH3COO)2 + KI = PbI2 + CH3COO + K =>
Pb(CH3COO)2 + 2 KI = PbI2 + 2 CH3COO + 2 K
Fe(s) + H3PO4(aq) = Fe3(PO4)2(aq) + H2(g) =>
3 Fe(s) + 2 H3PO4(aq) = Fe3(PO4)2(aq) + 3 H2(g)
CH3CH2OCH3 + HCl = CH3CH2OH + CH3Cl =>
CH3CH2OCH3 + HCl = CH3CH2OH + CH3Cl
NaVO3 + H2 = NaOH + V2O4 =>
2 NaVO3 + H2 = 2 NaOH + V2O4
K2SO4(aq) + Ba(OH)2(aq) = KOH + BaSO4 =>
K2SO4(aq) + Ba(OH)2(aq) = 2 KOH + BaSO4
CaCl2 + K2CO3 = CaCO3 + KCl =>
CaCl2 + K2CO3 = CaCO3 + 2 KCl