| Équations équilibrées la veille |
Zn + 2 HBr = ZnBr2 + H2
CuSO4 + H2S = CuS + H2SO4 =>
CuSO4 + H2S = CuS + H2SO4
Ba + O2 = BaO =>
2 Ba + O2 = 2 BaO
Zn(s) + AgNo3(aq) = Ag(s) + Zn(No3)2(aq) =>
Zn(s) + 2 AgNo3(aq) = 2 Ag(s) + Zn(No3)2(aq)
Pb3N2 = Pb + N2 =>
Pb3N2 = 3 Pb + N2
Na + MgO = Mg + Na2O =>
2 Na + MgO = Mg + Na2O
Ba(OH)2(ac) + H2SO4(ac) = BaSO4(ac) + H2O(l) =>
Ba(OH)2(ac) + H2SO4(ac) = BaSO4(ac) + 2 H2O(l)
Zn(s) + AgNo3(aq) = Ag(s) + Zn(No3)2(aq) =>
Zn(s) + 2 AgNo3(aq) = 2 Ag(s) + Zn(No3)2(aq)
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
KMnO4 + H2SO4 + K2C2O4 = K2SO4 + MnSO4 + CO2 + H2O =>
2 KMnO4 + 8 H2SO4 + 5 K2C2O4 = 6 K2SO4 + 2 MnSO4 + 10 CO2 + 8 H2O
FeCl3 + NH3 + H2O = Fe(OH)3 + NH4 + Cl =>
FeCl3 + 3 NH3 + 3 H2O = Fe(OH)3 + 3 NH4 + 3 Cl
C3H5N3O9(l) = CO2(g) + O2(g) + N2(g) + H2O(g) =>
4 C3H5N3O9(l) = 12 CO2(g) + O2(g) + 6 N2(g) + 10 H2O(g)
S{2-} + Cr2O7{2-} + H{+} = S + Cr{3+} + H2O =>
3 S{2-} + Cr2O7{2-} + 14 H{+} = 3 S + 2 Cr{3+} + 7 H2O
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
Sn + HNO3 + H2O = H2SnO3 + NO(g) =>
3 Sn + 4 HNO3 + H2O = 3 H2SnO3 + 4 NO(g)
Ca(NO3)2 + Ag3PO4 = Ca3(PO4)2 + AgNO3 =>
3 Ca(NO3)2 + 2 Ag3PO4 = Ca3(PO4)2 + 6 AgNO3
KMnO4 + FeCl3 + H2SO4 = K2(SO4) + Mn(SO4) + Fe2(SO4)3 + H2O + Cl2 =>
6 KMnO4 + 10 FeCl3 + 24 H2SO4 = 3 K2(SO4) + 6 Mn(SO4) + 5 Fe2(SO4)3 + 24 H2O + 15 Cl2
Mg + CuCl2 = MgCl2 + Cu =>
Mg + CuCl2 = MgCl2 + Cu
CH3CH2CH2NH2 + NaNO2 + HCl = CH3CH2OH + N2 + NaCl + H2O =>
2 CH3CH2CH2NH2 + 2 NaNO2 + 2 HCl = 3 CH3CH2OH + 2 N2 + 2 NaCl + H2O
C6H5OK + H2O + CO2 = C6H5OH + KHCO3 =>
C6H5OK + H2O + CO2 = C6H5OH + KHCO3
AlCl3 + NH4OH = AlOH + NH4Cl3 =>
AlCl3 + NH4OH = AlOH + NH4Cl3
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
CO2 + NaOH = H2O + Na2CO3 =>
CO2 + 2 NaOH = H2O + Na2CO3
C6H12O6 + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
C6H12O6 + 4 K2Cr2O7 + 16 H2SO4 = 6 CO2 + 4 Cr2(SO4)3 + 4 K2SO4 + 22 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Ba(OH)2 + K = K(OH)2 + Ba =>
Ba(OH)2 + K = K(OH)2 + Ba
Ba(OH)2 + FeO = BaO + Fe(OH)2 =>
Ba(OH)2 + FeO = BaO + Fe(OH)2
Fe2(SO4)3 + Ba(OH)2 = Fe(OH)3 + BaSO4 =>
Fe2(SO4)3 + 3 Ba(OH)2 = 2 Fe(OH)3 + 3 BaSO4
Pb3O4(s) + H2(g) = Pb(s) + H2O(l) =>
Pb3O4(s) + 4 H2(g) = 3 Pb(s) + 4 H2O(l)
CH3COOH + Sr(OH)2 = H2O + Sr(CH3COO)2 =>
2 CH3COOH + Sr(OH)2 = 2 H2O + Sr(CH3COO)2
CdSO4 + H2S = CdS + H2SO4 =>
CdSO4 + H2S = CdS + H2SO4
Na3P + CaF2 = Ca3P2 + NaF =>
2 Na3P + 3 CaF2 = Ca3P2 + 6 NaF
NaCl + HNO3 = NaNO3 + HCl =>
NaCl + HNO3 = NaNO3 + HCl
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
NH3(g) + F2(g) = N2F4(g) + HF(g) =>
2 NH3(g) + 5 F2(g) = N2F4(g) + 6 HF(g)
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
MnO2 + KClO3 + NaOH = NaMnO4 + KCl + H2O =>
2 MnO2 + KClO3 + 2 NaOH = 2 NaMnO4 + KCl + H2O
Cl{-} + CrO4{-2} + H2O = ClO{-} + CrO2{-} + OH{-} =>
3 Cl{-} + 2 CrO4{-2} + H2O = 3 ClO{-} + 2 CrO2{-} + 2 OH{-}
H2CO3 = CO2 + H2O =>
H2CO3 = CO2 + H2O
Li2O + CO2 = Li2CO3 =>
Li2O + CO2 = Li2CO3
AlCl3 = Al + Cl2 =>
2 AlCl3 = 2 Al + 3 Cl2
Ca + HCI = CaCI + H2 =>
2 Ca + 2 HCI = 2 CaCI + H2
K2O + SO3 = K2SO4 =>
K2O + SO3 = K2SO4
Fe3Cl3 = Fe + Cl2 =>
2 Fe3Cl3 = 6 Fe + 3 Cl2
Hf + H2SO4 = Hf(SO4)2 + H2 =>
Hf + 2 H2SO4 = Hf(SO4)2 + 2 H2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
N2O5 + KOH = H2O + KNO3 =>
N2O5 + 2 KOH = H2O + 2 KNO3
Br2 + NaCl = Cl2 + NaBr =>
Br2 + 2 NaCl = Cl2 + 2 NaBr
Cs2S + HCl = H2S + ClCs =>
Cs2S + 2 HCl = H2S + 2 ClCs
NaCIO + H2O = NaOH + HCIO =>
NaCIO + H2O = NaOH + HCIO
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