| Équations équilibrées la veille |
3 C2H6O + 2 Na2Cr2O7 + 8 H2SO4 = 3 C2H4O2 + 2 Cr2(SO4)3 + 2 Na2SO4 + 11 H2O
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
HU + Ca(OH)2 = CaU2 + H2O =>
2 HU + Ca(OH)2 = CaU2 + 2 H2O
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
FeCl3 + Na2S = FeS + S + NaCl =>
2 FeCl3 + 3 Na2S = 2 FeS + S + 6 NaCl
KNO3 + H2SO4 = HNO3 + K2SO4 =>
2 KNO3 + H2SO4 = 2 HNO3 + K2SO4
Na2SO3 + H2SO4 = Na2S2O8 + H2O + S =>
3 Na2SO3 + 5 H2SO4 = 3 Na2S2O8 + 5 H2O + 2 S
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
SO3 + Ba(NO3)2 = BaSO4 + N2 + O2 =>
2 SO3 + 2 Ba(NO3)2 = 2 BaSO4 + 2 N2 + 5 O2
NH3(aq) + OCl(aq) = N2H4(g) + H2O(l) + Cl =>
2 NH3(aq) + OCl(aq) = N2H4(g) + H2O(l) + Cl
H2 + AgO = Ag + H2O =>
H2 + AgO = Ag + H2O
CuCl{2} + Zn = Cu{+2} + ZnCl2 =>
2 CuCl{2} + Zn = 2 Cu{+2} + ZnCl2
KAlO2*SiO2 + KAlO2 = KAlO2*SiO2*KAlO2 =>
KAlO2*SiO2 + KAlO2 = KAlO2*SiO2*KAlO2
Na2S2O3 + NH4OH = Na2S2NH5O4 =>
Na2S2O3 + NH4OH = Na2S2NH5O4
OCl{-} + HCl + I{-} = Cl{-} + H2O + I2 =>
OCl{-} + 2 HCl + 2 I{-} = 3 Cl{-} + H2O + I2
CuI + HNO3 = Cu(NO3)2 + I2 + NO + H2O =>
6 CuI + 16 HNO3 = 6 Cu(NO3)2 + 3 I2 + 4 NO + 8 H2O
Al{3+} + H2O + S{2-} = Al(OH)3 + H2S =>
2 Al{3+} + 6 H2O + 3 S{2-} = 2 Al(OH)3 + 3 H2S
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
CH3COOH + Na = Na(COOH) + CH3 =>
CH3COOH + Na = Na(COOH) + CH3
Re + Br2 = ReBr =>
2 Re + Br2 = 2 ReBr
HNO3 + NH3 = H2O + N2H4 =>
HNO3 + 7 NH3 = 3 H2O + 4 N2H4
SiO2 + C = Si4C + CO =>
4 SiO2 + 9 C = Si4C + 8 CO
Br + KOH = KBrO3 + KBr + H2O =>
6 Br + 6 KOH = KBrO3 + 5 KBr + 3 H2O
NaHCO3 + HCl = NaCl + H2O + CO2 =>
NaHCO3 + HCl = NaCl + H2O + CO2
H2SO4 + Fe2 + O2 = Fe2(SO4)3 + H2O =>
6 H2SO4 + 2 Fe2 + 3 O2 = 2 Fe2(SO4)3 + 6 H2O
NiNO3 + NH4OH = NiOH + NH4NO3 =>
NiNO3 + NH4OH = NiOH + NH4NO3
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
BaCl2 + KCl = BaCl + KCl2 =>
BaCl2 + KCl = BaCl + KCl2
Zn + Na2CO3 + H2O = Na2[Zn(OH)4] + H2 + CO2 =>
Zn + Na2CO3 + 3 H2O = Na2[Zn(OH)4] + H2 + CO2
C6H5NH2 + Cl2 = C6H5Cl2NH2 =>
C6H5NH2 + Cl2 = C6H5Cl2NH2
HBr + Ba(OH)2 = BaBr2 + H2O =>
2 HBr + Ba(OH)2 = BaBr2 + 2 H2O
SiO2 + Si = SiO =>
SiO2 + Si = 2 SiO
AuBr3 = Au + Br =>
AuBr3 = Au + 3 Br
BaCl2 + Na2S = BaS + NaCl =>
BaCl2 + Na2S = BaS + 2 NaCl
CuCl{2} + Zn = Cu{+2} + ZnCl2 =>
2 CuCl{2} + Zn = 2 Cu{+2} + ZnCl2
Pb5 + N8 = Pb2N24 =>
2 Pb5 + 15 N8 = 5 Pb2N24
C2H2O4 + C2H5OH = C6H10O4 + H2O =>
C2H2O4 + 2 C2H5OH = C6H10O4 + 2 H2O
CuCH3COO + NaCO3 = CuCO3 + NaCH3COO =>
CuCH3COO + NaCO3 = CuCO3 + NaCH3COO
H2SO4 + B(OH)3 = B2(SO4)3 + H2O =>
3 H2SO4 + 2 B(OH)3 = B2(SO4)3 + 6 H2O
Zn(OH)2 + H3Po3 = Zn3(Po3)2 + H2O =>
3 Zn(OH)2 + 2 H3Po3 = Zn3(Po3)2 + 6 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
KCl + KMnO4 + HClO4 = KClO4 + Mn + H =>
KCl + KMnO4 + HClO4 = 2 KClO4 + Mn + H
Zn + HNO3 + AgCl = ZnNO3 + HCl + Ag =>
Zn + HNO3 + AgCl = ZnNO3 + HCl + Ag
H2O2 + A4Cl3 = A4 + O2 + HCl =>
3 H2O2 + 2 A4Cl3 = 2 A4 + 3 O2 + 6 HCl
NaOH + NaHSO4 = H2O + Na2SO4 =>
NaOH + NaHSO4 = H2O + Na2SO4
Li2 + O2 = Li2O =>
2 Li2 + O2 = 2 Li2O
MH4NO3 + KOH = MH4OH + KNO3 =>
MH4NO3 + KOH = MH4OH + KNO3
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Ca3(PO4)2 + SiO2 + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + P4 + 10 CO
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