| Équations équilibrées la veille |
Zn(NO3)2 + Li2S = ZnS + 2 Li(NO3)
C2 + KI = KC1 + I2 =>
C2 + 2 KI = 2 KC1 + I2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
KHSO3 + Ca(OH)2 = K2SO3 + CaSO3 + H2O =>
2 KHSO3 + Ca(OH)2 = K2SO3 + CaSO3 + 2 H2O
ZnS + O2 = ZnO + SO3 =>
ZnS + 2 O2 = ZnO + SO3
KOH + Zn + H2O + KNO3 = K2Zn(OH)4 + NH3 =>
7 KOH + 4 Zn + 6 H2O + KNO3 = 4 K2Zn(OH)4 + NH3
HBr + KHCO3 = H2O + KBr + CO2 =>
HBr + KHCO3 = H2O + KBr + CO2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
C11H13NO3 + Cl2 + NaOH = C10H13NO2 + NaCl + CO2 + H2O =>
C11H13NO3 + Cl2 + 2 NaOH = C10H13NO2 + 2 NaCl + CO2 + H2O
AgCH3COO + CaCl2 = Ca(CH3COO)2 + AgCl =>
2 AgCH3COO + CaCl2 = Ca(CH3COO)2 + 2 AgCl
Cu + H2O2 + HNO3 = Cu(NO3)2 + H2O =>
Cu + H2O2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Ba3(PO4)2 + K2CrO4 = BaCrO4 + K3PO4 =>
Ba3(PO4)2 + 3 K2CrO4 = 3 BaCrO4 + 2 K3PO4
Fe2O3 + HNO3 = Fe(NO3)3 + H2O =>
Fe2O3 + 6 HNO3 = 2 Fe(NO3)3 + 3 H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
Ca(HCO3)2 + NaF = CaF2 + NaHCO3 =>
Ca(HCO3)2 + 2 NaF = CaF2 + 2 NaHCO3
C1H8 + O2 = CO2 + H2O =>
C1H8 + 3 O2 = CO2 + 4 H2O
Al + O3 + H3 = Al(OH)3 =>
Al + O3 + H3 = Al(OH)3
Zn(NO3)2 + BaCl2 = Ba(NO3)2 + ZnCl2 =>
Zn(NO3)2 + BaCl2 = Ba(NO3)2 + ZnCl2
AgCl2 + NH4OH = Ag(NH3)2 + Cl + H2O =>
AgCl2 + 2 NH4OH = Ag(NH3)2 + 2 Cl + 2 H2O
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
BaCl2 + HF = BaF + HCl2 =>
BaCl2 + HF = BaF + HCl2
Sr(OH)2 + H2SO4 = SrH2(SO4)2 + H2O =>
Sr(OH)2 + 2 H2SO4 = SrH2(SO4)2 + 2 H2O
Ca(OH)2 + NO2 = [Ca(OH)]NO3 + [Ca(OH)]NO2 + H2O =>
2 Ca(OH)2 + 2 NO2 = [Ca(OH)]NO3 + [Ca(OH)]NO2 + H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
KMnO4 + HNO3 = HMnO4 + KNO3 =>
KMnO4 + HNO3 = HMnO4 + KNO3
Ba(NO3)2 + Fe = Fe(NO3)3 + Ba =>
3 Ba(NO3)2 + 2 Fe = 2 Fe(NO3)3 + 3 Ba
HCl + NH2CH2COOH = [NH3CH2COOH]Cl =>
HCl + NH2CH2COOH = [NH3CH2COOH]Cl
Zn + Au2O3 = ZnO + Au =>
3 Zn + Au2O3 = 3 ZnO + 2 Au
FeCl3(aq) + NaOH(aq) = FeOH + NaCl3 =>
FeCl3(aq) + NaOH(aq) = FeOH + NaCl3
AlI3 + HgCl2 = AlCl3 + HgI2 =>
2 AlI3 + 3 HgCl2 = 2 AlCl3 + 3 HgI2
Al + P = AlP =>
Al + P = AlP
UF6 + HBr = UF5 + HF + Br2 =>
2 UF6 + 2 HBr = 2 UF5 + 2 HF + Br2
CH3CHOHCOOH + NH3 = CH3CHOHCOONH4 =>
CH3CHOHCOOH + NH3 = CH3CHOHCOONH4
HCOONa = Na{+} + HCOO{-} =>
HCOONa = Na{+} + HCOO{-}
Br2 + ZnCl2 = Zn + BrCl =>
Br2 + ZnCl2 = Zn + 2 BrCl
AlCl3 + (NH4)3PO4 = AlPO4 + NH4Cl =>
AlCl3 + (NH4)3PO4 = AlPO4 + 3 NH4Cl
KNO2 + KMnO4 + H2O = MnO2 + KOH + KNO3 =>
3 KNO2 + 2 KMnO4 + H2O = 2 MnO2 + 2 KOH + 3 KNO3
FeSO4 + KClO3 + KOH = KCl + K2FeO4 + H2O + K2SO4 =>
3 FeSO4 + 2 KClO3 + 12 KOH = 2 KCl + 3 K2FeO4 + 6 H2O + 3 K2SO4
Li2SO4 + AgC2H3O2 = LiC2H3O2 + Ag2SO4 =>
Li2SO4 + 2 AgC2H3O2 = 2 LiC2H3O2 + Ag2SO4
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
ScCl3 + Na2S = Sc2S3 + NaCl =>
2 ScCl3 + 3 Na2S = Sc2S3 + 6 NaCl
S + HNO3(concentrated) = H2SO4 + NO2 + H2O =>
S + 6 HNO3(concentrated) = H2SO4 + 6 NO2 + 2 H2O
NaN3(s) = Na(s) + N2(g) =>
2 NaN3(s) = 2 Na(s) + 3 N2(g)
CuSO4 + KJ = CuJ + K2SO4 + J2 =>
2 CuSO4 + 4 KJ = 2 CuJ + 2 K2SO4 + J2
CH3CH2OH + Zn = CH3CH2OZn + H2 =>
2 CH3CH2OH + 2 Zn = 2 CH3CH2OZn + H2
Co + H3 = CoH3 =>
Co + H3 = CoH3
NH4H2PO4 + KOH = K2HPO4 + NH3 + H2O =>
NH4H2PO4 + 2 KOH = K2HPO4 + NH3 + 2 H2O
KHSO3 + Ca(OH)2 = K2SO3 + CaSO3 + H2O =>
2 KHSO3 + Ca(OH)2 = K2SO3 + CaSO3 + 2 H2O
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