Équations équilibrées la veille |
2 Fe + 2 NaOH + 2 H2O = 2 NaFeO2 + 3 H2
AgNO3 + Na2S2O3 = Na3[Ag(S2O3)2] + NaNO3 =>
AgNO3 + 2 Na2S2O3 = Na3[Ag(S2O3)2] + NaNO3
H3PO4 = H2O + P2 + O2 =>
4 H3PO4 = 6 H2O + 2 P2 + 5 O2
Hg + H2O = Hg(OH)2 + H2 =>
Hg + 2 H2O = Hg(OH)2 + H2
KOH + HCH3CO2 = CH3CO2 + H2O + K =>
KOH + HCH3CO2 = CH3CO2 + H2O + K
B{3+} + Se{2-} = B2Se3 =>
2 B{3+} + 3 Se{2-} = B2Se3
Al + CH3OH = (CH3O)3Al + H2 =>
2 Al + 6 CH3OH = 2(CH3O)3Al + 3 H2
NO2Cl = NO2 + Cl2 =>
2 NO2Cl = 2 NO2 + Cl2
K2S = K(s) + S(s) =>
K2S = 2 K(s) + S(s)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NaOH + AgNo3 = NaNo3 + AgOH =>
NaOH + AgNo3 = NaNo3 + AgOH
Na2CO3 + MgCI2 = Na2CI2 + MgCO3 =>
Na2CO3 + MgCI2 = Na2CI2 + MgCO3
Iron3Nitrate + SodiumHydroxide = Iron3Hydroxide + SodiumNitrate =>
Iron3Nitrate + SodiumHydroxide = Iron3Hydroxide + SodiumNitrate
ClCH2COOH + Ag{+} + H2O = HOCH2COOH + H{+} + AgCl =>
ClCH2COOH + Ag{+} + H2O = HOCH2COOH + H{+} + AgCl
ZnO + NH4Cl = Zn + N2 + H2O + HCl =>
3 ZnO + 2 NH4Cl = 3 Zn + N2 + 3 H2O + 2 HCl
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
C7H12O + O2 = CO2 + H2O =>
2 C7H12O + 19 O2 = 14 CO2 + 12 H2O
KY + Cl2 = KCl + Y =>
2 KY + Cl2 = 2 KCl + 2 Y
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
FeS2 + HCl = FeCl2 + H2S2 =>
FeS2 + 2 HCl = FeCl2 + H2S2
Ag2CrO4 = Ag + CrO4 =>
Ag2CrO4 = 2 Ag + CrO4
NaHCO3 = NaO + CO2 + H2 =>
2 NaHCO3 = 2 NaO + 2 CO2 + H2
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
H2S + Fe(OH)3 = Fe2S3 + H2O =>
3 H2S + 2 Fe(OH)3 = Fe2S3 + 6 H2O
NaH3SiO4 + NaOH = Na2H2SiO4 + H2O =>
NaH3SiO4 + NaOH = Na2H2SiO4 + H2O
K2O(s) + H2O = KOH(aq) =>
K2O(s) + H2O = 2 KOH(aq)
CH3CO2H + NaHCO3 = C2H3NaO2 + H2O + CO2 =>
CH3CO2H + NaHCO3 = C2H3NaO2 + H2O + CO2
C10H12O3 + H2O = CO2 + CH4 =>
4 C10H12O3 + 22 H2O = 17 CO2 + 23 CH4
Na2CO3 + MgCI2 = Na2CI2 + MgCO3 =>
Na2CO3 + MgCI2 = Na2CI2 + MgCO3
C6H14 + I2 = C6H13I + HI =>
C6H14 + I2 = C6H13I + HI
K2CrO4 + H2SO4 = K2Cr2O7 + K2SO4 + H2O =>
2 K2CrO4 + H2SO4 = K2Cr2O7 + K2SO4 + H2O
Zn + H2O = ZnO + H2 =>
Zn + H2O = ZnO + H2
H2S*Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + S + NaHSO4 =>
3 H2S*Na2Cr2O7 + 13 H2SO4 = 3 Cr2(SO4)3 + 13 H2O + S + 6 NaHSO4
BaO + NaOH = BaO2 + NaH =>
BaO + NaOH = BaO2 + NaH
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
NaNO3 + SO3 = Na2SO3 + NO3 =>
2 NaNO3 + SO3 = Na2SO3 + 2 NO3
Mg + HBr = MgBr2 + H2 =>
Mg + 2 HBr = MgBr2 + H2
Fe(OH)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 HNO3 = Fe(NO3)3 + 3 H2O
H2S + Fe(OH)3 = Fe2S3 + H2O =>
3 H2S + 2 Fe(OH)3 = Fe2S3 + 6 H2O
Na2CO3 + MgCI2 = Na2CI2 + MgCO3 =>
Na2CO3 + MgCI2 = Na2CI2 + MgCO3
FeCl3 + K2C2O4 + H2O = K5Fe(C2O4)4(H2O)3 + KCl =>
FeCl3 + 4 K2C2O4 + 3 H2O = K5Fe(C2O4)4(H2O)3 + 3 KCl
Mg + H2O = MgO + H2 =>
Mg + H2O = MgO + H2
NaCrO2 + Br2 + NaOH = NaCrO4 + NaBr + H2 =>
NaCrO2 + Br2 + 2 NaOH = NaCrO4 + 2 NaBr + H2
AlCl + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O + Cl + Al2(SO4)3 =>
2 AlCl + K2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + K2SO4 + 7 H2O + 2 Cl + Al2(SO4)3
Pb + NO3 = Pb(NO2)4 + O2 =>
Pb + 4 NO3 = Pb(NO2)4 + 2 O2
Hg + Cl{-} + SeO4{-2} + H{+} = Hg2Cl2 + SeO3{-2} + H2O =>
2 Hg + 2 Cl{-} + SeO4{-2} + 2 H{+} = Hg2Cl2 + SeO3{-2} + H2O
C6H14O12P2 = C3H7O6P =>
C6H14O12P2 = 2 C3H7O6P
AlCl + NH4OH = NH4Cl + AlOH =>
AlCl + NH4OH = NH4Cl + AlOH
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
CO + Cl2 = COCl2 =>
CO + Cl2 = COCl2
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