| Équations équilibrées la veille |
Zn + K2O = K2ZnO
H2 + NFl3 = N2 + HFl =>
3 H2 + 2 NFl3 = N2 + 6 HFl
EuSO4 + K2Cr2O7 + H2SO4 = Eu(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O =>
3 EuSO4 + 2 K2Cr2O7 + 14 H2SO4 = 3 Eu(SO4)3 + 2 K2SO4 + 2 Cr2(SO4)3 + 14 H2O
KMnO4 + SnBr2 + H2SO4 = MnSO4 + Sn(SO4)2 + Br2 + K2SO4 + H2O =>
4 KMnO4 + 5 SnBr2 + 16 H2SO4 = 4 MnSO4 + 5 Sn(SO4)2 + 5 Br2 + 2 K2SO4 + 16 H2O
N + H2 = NH3 =>
2 N + 3 H2 = 2 NH3
CaO + HNO3 = H2O + Ca(NO3)2 =>
CaO + 2 HNO3 = H2O + Ca(NO3)2
Na5P3O10 + H2O = PO4 + Na + H =>
Na5P3O10 + 2 H2O = 3 PO4 + 5 Na + 4 H
Fe2P(s) + S(s) = P4S10(s) + FeS(s) =>
4 Fe2P(s) + 18 S(s) = P4S10(s) + 8 FeS(s)
Bi2O3 + NaOH + Br2 = NaBiO3 + NaBr + H2O =>
Bi2O3 + 6 NaOH + 2 Br2 = 2 NaBiO3 + 4 NaBr + 3 H2O
FeCl2 + AgNO3 = Fe(NO3)2 + AgCl =>
FeCl2 + 2 AgNO3 = Fe(NO3)2 + 2 AgCl
Na3PO4 + Cd(CH3COO)2 = NaC2H3O2 + Cd3(PO4)2 =>
2 Na3PO4 + 3 Cd(CH3COO)2 = 6 NaC2H3O2 + Cd3(PO4)2
Bi2O3 + C(s) = Bi(s) + CO =>
Bi2O3 + 3 C(s) = 2 Bi(s) + 3 CO
Fe + Cl{-} + H3O{+} = FeCl2 + H2O + H2 =>
Fe + 2 Cl{-} + 2 H3O{+} = FeCl2 + 2 H2O + H2
CaCO3 + H2SO4(aq) = CaSO4 + H2O + CO2 =>
CaCO3 + H2SO4(aq) = CaSO4 + H2O + CO2
ZnCl2 + HNO2 = Zn(NO2)2 + HCl =>
ZnCl2 + 2 HNO2 = Zn(NO2)2 + 2 HCl
NaOH + CuSO4 + C6H12O6 = C6H12O7 + H2O + Cu2O + Na2SO4 =>
4 NaOH + 2 CuSO4 + C6H12O6 = C6H12O7 + 2 H2O + Cu2O + 2 Na2SO4
FeCl3 + Ca(OH)2 = Fe2O3 + CaCl2 + H2O =>
2 FeCl3 + 3 Ca(OH)2 = Fe2O3 + 3 CaCl2 + 3 H2O
Ca3(PO4)2 = CaO + P2O5 =>
Ca3(PO4)2 = 3 CaO + P2O5
Ca(ClO4)2 + Na2CO3 = CaCO3 + NaClO4 =>
Ca(ClO4)2 + Na2CO3 = CaCO3 + 2 NaClO4
H2 + NiO = Ni + H2O =>
H2 + NiO = Ni + H2O
NaCl(ac) + KBr(ac) = KCl + NaBr =>
NaCl(ac) + KBr(ac) = KCl + NaBr
Mg2(CO3)2 + H2SO4 = MgSO4 + H2O + CO2 =>
Mg2(CO3)2 + 2 H2SO4 = 2 MgSO4 + 2 H2O + 2 CO2
H2 + NFl3 = N2 + HFl =>
3 H2 + 2 NFl3 = N2 + 6 HFl
Zn + As2S3 + HCl = ZnCl2 + AsH3 + H2S =>
6 Zn + As2S3 + 12 HCl = 6 ZnCl2 + 2 AsH3 + 3 H2S
CO2 + H2O3 = HCO3 + O2 =>
4 CO2 + 2 H2O3 = 4 HCO3 + O2
NH4OH(i) = NH4(aq) + OH(aq) =>
NH4OH(i) = NH4(aq) + OH(aq)
Fe2(SO4)3 + CaF2 = FeF3 + CaSO4 =>
Fe2(SO4)3 + 3 CaF2 = 2 FeF3 + 3 CaSO4
HCl + LiOH = H2O + LiCl =>
HCl + LiOH = H2O + LiCl
Ca + BrFe = Fe + BrCa =>
Ca + BrFe = Fe + BrCa
Sr + Ag2O = Ag + SrO =>
Sr + Ag2O = 2 Ag + SrO
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
CuBr2 + Ba(OH)2 = Cu(OH)2 + BaBr2 =>
CuBr2 + Ba(OH)2 = Cu(OH)2 + BaBr2
CH3COOOH + NaOH = CH3COOONa + H2O =>
CH3COOOH + NaOH = CH3COOONa + H2O
K2Cr2O7 + KI + H2SO4 = K3SO4 + Cr2(SO4)3 + I2 + H2O =>
K2Cr2O7 + 10 KI + 7 H2SO4 = 4 K3SO4 + Cr2(SO4)3 + 5 I2 + 7 H2O
Na3PO4 + CaCl2 = Ca3(PO4)2 + NaCl =>
2 Na3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 NaCl
FeO + H2SO4 = FeSO4 + H2O =>
FeO + H2SO4 = FeSO4 + H2O
HCOOH + KOH = H2O + KCOOH =>
HCOOH + KOH = H2O + KCOOH
Ag + HCl = Ag(Cl)2 + H =>
Ag + 2 HCl = Ag(Cl)2 + 2 H
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
Ag + CI = AgCI =>
Ag + CI = AgCI
H2PO4 = PO3 + H2O =>
H2PO4 = PO3 + H2O
MnO2 + C2O4{2-} + H{+} = CO2 + H2O + Mn{2+} =>
MnO2 + C2O4{2-} + 4 H{+} = 2 CO2 + 2 H2O + Mn{2+}
CH3OH + C6H4NH2COOH = C6H4NH2CO2CH3 + H2O =>
CH3OH + C6H4NH2COOH = C6H4NH2CO2CH3 + H2O
Cu(SO4)2 + K2S = CuS + KSO4 =>
Cu(SO4)2 + K2S = CuS + 2 KSO4
BiI3 + NH3*H2O = Bi(OH)3 + NH4I =>
BiI3 + 3 NH3*H2O = Bi(OH)3 + 3 NH4I
CH2O + Ag2O = Ag + CO2 + H2O =>
CH2O + 2 Ag2O = 4 Ag + CO2 + H2O
Na2SO3 + CaCO3 + C = Na2O3 + CaS + CO2 =>
2 Na2SO3 + 2 CaCO3 + C = 2 Na2O3 + 2 CaS + 3 CO2
Pb(NO3)2 + Ca(CH3COO)2 = Pb(CH3COO)2 + Ca(NO3)2 =>
Pb(NO3)2 + Ca(CH3COO)2 = Pb(CH3COO)2 + Ca(NO3)2
H2O + CH3COOC6H4CO2 + NaOH = NaCH3COO + CO2 =>
7 H2O + 8 CH3COOC6H4CO2 + 35 NaOH = 35 NaCH3COO + 2 CO2
Rb + CH3COOH = C2H3O2Rb + H =>
Rb + CH3COOH = C2H3O2Rb + H
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