Équations équilibrées la veille |
2 Cu2O + C = 4 Cu + CO2
Br2 + NaI = NaBr + I2 =>
Br2 + 2 NaI = 2 NaBr + I2
I4O9 = I2 + O2 =>
2 I4O9 = 4 I2 + 9 O2
NH4Cl + HCN = NH3 + CNCl + H2 =>
NH4Cl + HCN = NH3 + CNCl + H2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
Ca(ClO4)2 + H2SO4 = CaSO4 + HClO4 =>
Ca(ClO4)2 + H2SO4 = CaSO4 + 2 HClO4
NaOH + KI = NaI + KOH =>
NaOH + KI = NaI + KOH
NaNO3 + H2SO4 = Na2SO4 + H2(NO3)2 =>
2 NaNO3 + H2SO4 = Na2SO4 + H2(NO3)2
CH3COOH + C2H5OH = CH3COOCH3CH + H2O =>
5 CH3COOH + 3 C2H5OH = 4 CH3COOCH3CH + 5 H2O
Br + NaOH = BrNa + NaBrO3 + H2O =>
6 Br + 6 NaOH = 5 BrNa + NaBrO3 + 3 H2O
Cu(NO2)2 + O2 = Cu(NO3)2 =>
Cu(NO2)2 + O2 = Cu(NO3)2
Na + ClCl = NaCl =>
2 Na + ClCl = 2 NaCl
Ag + K3[Fe(CN)6] = Ag3[Fe(CN)6] + K =>
3 Ag + K3[Fe(CN)6] = Ag3[Fe(CN)6] + 3 K
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
H2CO3 + Sr(OH)2 = H2O + SrCO3 =>
H2CO3 + Sr(OH)2 = 2 H2O + SrCO3
C6H5NO + O2 = CO2 + H2O + NO2 =>
4 C6H5NO + 31 O2 = 24 CO2 + 10 H2O + 4 NO2
Na2S2O3 + HCl = NaCl + SO2 + S + H2O =>
Na2S2O3 + 2 HCl = 2 NaCl + SO2 + S + H2O
Fe + Pb(NO3)2 = Fe(NO3)3 + Pb =>
2 Fe + 3 Pb(NO3)2 = 2 Fe(NO3)3 + 3 Pb
K2Cr2O7 + H2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 3 H2S + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
K2Cr2O7 + H2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 3 H2S + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
CH3CO2{-} + NH4{+} = CH3CONH2 + H2O =>
CH3CO2{-} + NH4{+} = CH3CONH2 + H2O
TlOH + CO2 = Tl + HCO3 =>
TlOH + CO2 = Tl + HCO3
C + H2 = CH4 =>
C + 2 H2 = CH4
Cu(OH)2 + N2O5 = Cu(NO3)2 + H2O =>
Cu(OH)2 + N2O5 = Cu(NO3)2 + H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Li3PO4 + NaBr = Na3PO4 + LiBr =>
Li3PO4 + 3 NaBr = Na3PO4 + 3 LiBr
Na3Po4 + NaOH = NaPo4 + Na3OH =>
Na3Po4 + NaOH = NaPo4 + Na3OH
Pb2{+} + Zn = Pb + Zn2{+} =>
Pb2{+} + 2 Zn = 2 Pb + Zn2{+}
Na2SO4 + H2O = H20Na2O14S =>
Na2SO4 + 10 H2O = H20Na2O14S
Pb + Fe{+2} = Pb{+2} + Fe =>
Pb + Fe{+2} = Pb{+2} + Fe
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Br + NaOH = BrNa + NaBrO3 + H2O =>
6 Br + 6 NaOH = 5 BrNa + NaBrO3 + 3 H2O
Ca(OH) + HSO4 = CaSO4 + H2O =>
Ca(OH) + HSO4 = CaSO4 + H2O
NaOH + KI = NaI + KOH =>
NaOH + KI = NaI + KOH
Na2S2O3 + KIO3 = K2S2O3 + NaIO3 =>
Na2S2O3 + 2 KIO3 = K2S2O3 + 2 NaIO3
H2SO4 + Ca(OH)2 = CaSO4 + H2O =>
H2SO4 + Ca(OH)2 = CaSO4 + 2 H2O
Ba(OH)2 + Na3PO4 = Ba3(PO4)2 + NaOH =>
3 Ba(OH)2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaOH
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Mg + H2SO4 = Mg(H2SO4)2 =>
Mg + 2 H2SO4 = Mg(H2SO4)2
K3PO4 + BaCl2 = K3PO4BaCl2 =>
K3PO4 + BaCl2 = K3PO4BaCl2
Sn(OH)4 + OH{-} = SnO3{2-} + H2O =>
Sn(OH)4 + 2 OH{-} = SnO3{2-} + 3 H2O
Mg + TiCl4 = MgCl + Ti =>
4 Mg + TiCl4 = 4 MgCl + Ti
Na2CO3 + HNO3 = CO2 + H2O + NaNO3 =>
Na2CO3 + 2 HNO3 = CO2 + H2O + 2 NaNO3
CaF2 + NaF = CaF + NaF2 =>
CaF2 + NaF = CaF + NaF2
Fe + ZnSO4 = Fe(SO4)2 + Zn =>
Fe + 2 ZnSO4 = Fe(SO4)2 + 2 Zn
Fe2(C2O4)3 = FeC2O4 + CO2 =>
Fe2(C2O4)3 = 2 FeC2O4 + 2 CO2
CH3CH2OH + H2SO4 + K2Cr2O7 = CH3COOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 CH3CH2OH + 8 H2SO4 + 2 K2Cr2O7 = 3 CH3COOH + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
C2H5O2N + O2 = CO2 + NH4 + H2O =>
4 C2H5O2N + 5 O2 = 8 CO2 + 4 NH4 + 2 H2O
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