| Équations équilibrées la veille |
3 FeO + 2 Fe(OH)3 = 3 Fe(OH)2 + Fe2O3
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
Na2CO3 + H2SO4 + BaCl2 = NaCl + H2CO3 + BaSO4 =>
Na2CO3 + H2SO4 + BaCl2 = 2 NaCl + H2CO3 + BaSO4
AgCl + Na2CO3 = Ag2CO3 + NaCl =>
2 AgCl + Na2CO3 = Ag2CO3 + 2 NaCl
Na2S + HClO4 = HCl + Na2SO4 =>
Na2S + HClO4 = HCl + Na2SO4
NaCl + AgNO3{-} = NaNO3{-} + AgCl =>
NaCl + AgNO3{-} = NaNO3{-} + AgCl
NaCl + H2O + SiO2 = HCl + Na4SiO4 =>
4 NaCl + 2 H2O + SiO2 = 4 HCl + Na4SiO4
Ca3(PO4)2 + C + SiO2 = CaSiO4 + CO + P4 =>
2 Ca3(PO4)2 + 4 C + 6 SiO2 = 6 CaSiO4 + 4 CO + P4
Cu(OH)2CO2 = CuO2C(OH)2 =>
Cu(OH)2CO2 = CuO2C(OH)2
H3AsO4 + NaOH = HOH + Na3AsO4 =>
H3AsO4 + 3 NaOH = 3 HOH + Na3AsO4
AgCl + Na2CO3 = Ag2CO3 + NaCl =>
2 AgCl + Na2CO3 = Ag2CO3 + 2 NaCl
MnO2 + KCIO3 + KOH = K2MnO4 + KCI + H2O =>
3 MnO2 + KCIO3 + 6 KOH = 3 K2MnO4 + KCI + 3 H2O
C12H22O11(s) + H2SO4(l) = CO2(g) + SO2(s) + H2O(l) =>
C12H22O11(s) + 24 H2SO4(l) = 12 CO2(g) + 24 SO2(s) + 35 H2O(l)
H3PO4 + NaCl = HCl + Na3PO4 =>
H3PO4 + 3 NaCl = 3 HCl + Na3PO4
C6H5NH2 + HBr = C6H2NH2Br3 + H2 =>
C6H5NH2 + 3 HBr = C6H2NH2Br3 + 3 H2
K2CrO4 + NaOH = K2OH + NaCrO4 =>
K2CrO4 + NaOH = K2OH + NaCrO4
CuBr = Cu{+} + Br{-} =>
CuBr = Cu{+} + Br{-}
CH3CH2COOH + CH3OH = CH3CH2COOCH3 + H2O =>
CH3CH2COOH + CH3OH = CH3CH2COOCH3 + H2O
Al + S8 = Al2S3 =>
16 Al + 3 S8 = 8 Al2S3
Hg(NO3)2 + NaOH = NaNO3 + H2O + HgO =>
Hg(NO3)2 + 2 NaOH = 2 NaNO3 + H2O + HgO
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Rb + P = Rb3P =>
3 Rb + P = Rb3P
AlCl3 + NaOH = NaAlO2 + NaCl + H2O =>
AlCl3 + 4 NaOH = NaAlO2 + 3 NaCl + 2 H2O
C7H8O2 + O2 = CO2 + H2O =>
C7H8O2 + 8 O2 = 7 CO2 + 4 H2O
K2SPb(NO3)2 = K2(NO3)2PbS =>
K2SPb(NO3)2 = K2(NO3)2PbS
Cu2S + O2 = Cu2O + SO2 =>
2 Cu2S + 3 O2 = 2 Cu2O + 2 SO2
Cr2O7{-2} + S{-2} + H{+} = Cr{+3} + S + H2O =>
Cr2O7{-2} + 3 S{-2} + 14 H{+} = 2 Cr{+3} + 3 S + 7 H2O
N2O + NaOH = N2 + NaNO3 + H2O =>
5 N2O + 2 NaOH = 4 N2 + 2 NaNO3 + H2O
HNO3(aq) + CaCO3(s) = Ca(NO3)2(aq) + CO2(g) + H2O(l) =>
2 HNO3(aq) + CaCO3(s) = Ca(NO3)2(aq) + CO2(g) + H2O(l)
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
H2 + MnO2 + Cl2 = MnCl2 + H2O =>
2 H2 + MnO2 + Cl2 = MnCl2 + 2 H2O
HNO3 + Fe + HCl = FeCl3 + NO + H2O =>
HNO3 + Fe + 3 HCl = FeCl3 + NO + 2 H2O
Cu(OH)2 + NaCl = CuCl2 + Na(OH) =>
Cu(OH)2 + 2 NaCl = CuCl2 + 2 Na(OH)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Au2O3 + H2SO3 = Au2(SO3)3 + H2O =>
Au2O3 + 3 H2SO3 = Au2(SO3)3 + 3 H2O
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
AsO4 + H2O = H3AsO4 + OH =>
AsO4 + 3 H2O = H3AsO4 + 3 OH
NaI + HIO3 = Na2O + I2 + H2O =>
10 NaI + 2 HIO3 = 5 Na2O + 6 I2 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CaCl2 + KCl = CaK + Cl2 =>
2 CaCl2 + 2 KCl = 2 CaK + 3 Cl2
Pb(ii)NO4 + KI = PbI + KNO4 =>
Pb(ii)NO4 + KI = PbI + KNO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C9H20 + O2 = CO2 + H2O =>
C9H20 + 14 O2 = 9 CO2 + 10 H2O
P + OH = PO2 + H2O =>
P + 4 OH = PO2 + 2 H2O
Zn(NO3)2 + Ba(OH)2 = Zn(OH)2 + Ba(NO3)2 =>
Zn(NO3)2 + Ba(OH)2 = Zn(OH)2 + Ba(NO3)2
C2H6 + Cl2 = CCl4 + H =>
C2H6 + 4 Cl2 = 2 CCl4 + 6 H
C6H7NO3S + Na = NaC6H6NO3S + H2 =>
2 C6H7NO3S + 2 Na = 2 NaC6H6NO3S + H2
BaO + NaNO3 = Ba(NO3)2 + Na2O =>
BaO + 2 NaNO3 = Ba(NO3)2 + Na2O
Pb(s) + I2(g) = PbI2(s) =>
Pb(s) + I2(g) = PbI2(s)
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