| Équations équilibrées la veille |
Zn + 2 HCl = ZnCl2 + H2
H2SiO3 + Ca(OH)2 = CaSiO3 + H2O =>
H2SiO3 + Ca(OH)2 = CaSiO3 + 2 H2O
CaO + SO3 = CaSO4 =>
CaO + SO3 = CaSO4
Me + HCl = MeCl3 + H2 =>
2 Me + 6 HCl = 2 MeCl3 + 3 H2
Ba(s) + O2(g) + C(s) = BaCO3(s) =>
2 Ba(s) + 3 O2(g) + 2 C(s) = 2 BaCO3(s)
Zn + S = ZnS =>
Zn + S = ZnS
Na2PbO2 + HNO3 = Pb(NO3)2 + NaOH =>
Na2PbO2 + 2 HNO3 = Pb(NO3)2 + 2 NaOH
Cr2O3 + H2O2 = H2Cr2O7 + H2O =>
Cr2O3 + 3 H2O2 = H2Cr2O7 + 2 H2O
Zn + S = ZnS =>
Zn + S = ZnS
CaCl2 + H2O = CaO + HCl =>
CaCl2 + H2O = CaO + 2 HCl
CaCO3 + HCH3CO2 = Ca(CH3CO2)2 + H2CO3 =>
CaCO3 + 2 HCH3CO2 = Ca(CH3CO2)2 + H2CO3
Na2S(aq) + Cu(NO3)2(aq) = NaNO3(aq) + CuS(s) =>
Na2S(aq) + Cu(NO3)2(aq) = 2 NaNO3(aq) + CuS(s)
Fe + Cu2(SO4)2 = FeSO4 + Cu =>
2 Fe + Cu2(SO4)2 = 2 FeSO4 + 2 Cu
AlCu + HCl = AlCl3 + Cu + H2 =>
2 AlCu + 6 HCl = 2 AlCl3 + 2 Cu + 3 H2
C2H5OH + CuO = C2H4O + Cu + H2O =>
C2H5OH + CuO = C2H4O + Cu + H2O
C4H9OH + Cr2O72{-} + H{+} = C3H7COOH + Cr3{+} + H2O =>
427 C4H9OH + 12 Cr2O72{-} + 20 H{+} = 427 C3H7COOH + 8 Cr3{+} + 437 H2O
TiO2 + HCl = TiCl4 + H2O =>
TiO2 + 4 HCl = TiCl4 + 2 H2O
Cu(NO3)2 + Na2(CO3) = Cu(CO3) + Na2(NO3)2 =>
Cu(NO3)2 + Na2(CO3) = Cu(CO3) + Na2(NO3)2
CH3CO2 + H2O = CH4CO2 + OH =>
CH3CO2 + H2O = CH4CO2 + OH
Ti(OH)3(s) = TiO2(s) + H2O + H2(g) =>
2 Ti(OH)3(s) = 2 TiO2(s) + 2 H2O + H2(g)
HCl + HNO3 = HOCl + NO + H2O =>
3 HCl + 2 HNO3 = 3 HOCl + 2 NO + H2O
CH3COOH + KOH = KCH3COO + H2O =>
CH3COOH + KOH = KCH3COO + H2O
MnO2 + H2O = MnO4 + H =>
MnO2 + 2 H2O = MnO4 + 4 H
Ag + S8 = Ag2S =>
16 Ag + S8 = 8 Ag2S
CoCl2 + KBr = CoBr + KCl2 =>
CoCl2 + KBr = CoBr + KCl2
H3PO2 + K2FeO4 + HBr = H3PO4 + KBr + FeBr3 + H2O =>
3 H3PO2 + 4 K2FeO4 + 20 HBr = 3 H3PO4 + 8 KBr + 4 FeBr3 + 10 H2O
Na2SO4 + Pb(C2H3O2)2 = PbSO4 + Na(C2H3O2) =>
Na2SO4 + Pb(C2H3O2)2 = PbSO4 + 2 Na(C2H3O2)
Ca + HCl + O2 = CaCl2 + H2O =>
2 Ca + 4 HCl + O2 = 2 CaCl2 + 2 H2O
CaC2 + H2O(l) = Ca(OH)2 + C2H2 =>
CaC2 + 2 H2O(l) = Ca(OH)2 + C2H2
Na2CO3 + HNO3 = CO2 + H2O + NaNO3 =>
Na2CO3 + 2 HNO3 = CO2 + H2O + 2 NaNO3
C2H4 + KMnO4 + KOH = K2CO3 + K2MnO4 + H2O =>
C2H4 + 12 KMnO4 + 16 KOH = 2 K2CO3 + 12 K2MnO4 + 10 H2O
C4H8Cl2 + Na = C4H8 + NaCl =>
C4H8Cl2 + 2 Na = C4H8 + 2 NaCl
SrCO3 + CH3COOH = Sr{2+} + CO2 + H2O + CH3COO{-} =>
SrCO3 + 2 CH3COOH = Sr{2+} + CO2 + H2O + 2 CH3COO{-}
CrCl3 + NaOH = Cr(OH)3 + NaCl =>
CrCl3 + 3 NaOH = Cr(OH)3 + 3 NaCl
Na2CO3 = Na2O + CO2 =>
Na2CO3 = Na2O + CO2
As + H2 = AsH5 =>
2 As + 5 H2 = 2 AsH5
Co(NO3)2 + NaOH = Co(OH)2 + Na(NO3) =>
Co(NO3)2 + 2 NaOH = Co(OH)2 + 2 Na(NO3)
Cu(NO3)2 + Na2(CO3) = Cu2(CO3)2 + Na(NO3) =>
2 Cu(NO3)2 + 2 Na2(CO3) = Cu2(CO3)2 + 4 Na(NO3)
KBr + CaO = K2O + CaBr2 =>
2 KBr + CaO = K2O + CaBr2
Be + H2O = Be(OH)2 + H2 =>
Be + 2 H2O = Be(OH)2 + H2
N2 + Cl = NCl2 =>
N2 + 4 Cl = 2 NCl2
Ni(CN)2 + KCN = K2Ni(CN)4 =>
Ni(CN)2 + 2 KCN = K2Ni(CN)4
FeC2O4*2H2O + H2O2 + K2C2O4 = [Fe(C2O4)3]{-3} + K{+} + OH{-} + H2O =>
2 FeC2O4*2H2O + H2O2 + 4 K2C2O4 = 2[Fe(C2O4)3]{-3} + 8 K{+} + 2 OH{-} + 4 H2O
NaO + CO2 = Na(CO3) =>
NaO + CO2 = Na(CO3)
Br2 + NaOH = NaBr + NaOBr + H2O =>
Br2 + 2 NaOH = NaBr + NaOBr + H2O
C15H26O + O2 = H2O + CO2 =>
C15H26O + 21 O2 = 13 H2O + 15 CO2
NaHCO3(aq) + HNO3(aq) = H2O(l) + CO2(g) + NaNO3(aq) =>
NaHCO3(aq) + HNO3(aq) = H2O(l) + CO2(g) + NaNO3(aq)
HCl + KOH = HOH + KCl =>
HCl + KOH = HOH + KCl
HNO3 + H2SO4 = NO3 + S + H2O =>
6 HNO3 + H2SO4 = 6 NO3 + S + 4 H2O
Fe + BaCl2 = FeCl2 + Ba =>
Fe + BaCl2 = FeCl2 + Ba
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