Équations équilibrées la veille |
Na2O + 2 HNO3 = 2 NaNO3 + H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
S + N2O = N2 + S2O5 =>
2 S + 5 N2O = 5 N2 + S2O5
CuCl + H = CuH + HCl =>
CuCl + 2 H = CuH + HCl
Na3[Cr(OH)6] + HBr2 = Na2CrO4 + NaBr + H2O + HBr =>
Na3[Cr(OH)6] + 3 HBr2 = Na2CrO4 + NaBr + 2 H2O + 5 HBr
Na + S8 = Na2S =>
16 Na + S8 = 8 Na2S
C11H14ClNO2 + NaOH = C11H15NO2 + NaCl + O2 =>
2 C11H14ClNO2 + 2 NaOH = 2 C11H15NO2 + 2 NaCl + O2
NaClO3 + O2 = NaClO4 =>
2 NaClO3 + O2 = 2 NaClO4
Na2Cr2O7 + HCl + FeCl2 = FeCl3 + NaCl + CrCl3 + H2O =>
Na2Cr2O7 + 14 HCl + 6 FeCl2 = 6 FeCl3 + 2 NaCl + 2 CrCl3 + 7 H2O
HCl + NH4OH = H2Cl + NH2O =>
3 HCl + NH4OH = 3 H2Cl + NH2O
CO2 + Na2O = Na2CO3 =>
CO2 + Na2O = Na2CO3
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
K2Cr2O7 + HBr = BrCr3 + KBr + Br + H2O =>
3 K2Cr2O7 + 42 HBr = 2 BrCr3 + 6 KBr + 34 Br + 21 H2O
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + H2O =>
6 FeSO4 + K2Cr2O7 + 7 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + K2SO4 + 7 H2O
C3H8(g) + O2 = CO2(g) + H2O(l) =>
C3H8(g) + 5 O2 = 3 CO2(g) + 4 H2O(l)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
As2S3 + KClO4 + H2O = H2AsO4 + H2SO4 + KCl =>
4 As2S3 + 15 KClO4 + 20 H2O = 8 H2AsO4 + 12 H2SO4 + 15 KCl
IrCl3 + Ca(OH)2 = Ir2O3 + HCl + CaCl2 =>
4 IrCl3 + 3 Ca(OH)2 = 2 Ir2O3 + 6 HCl + 3 CaCl2
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
Si + S8 = Si2S4 =>
4 Si + S8 = 2 Si2S4
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CaCO3 + HCH3CO2 = Ca(CH3CO2)2 + H2O + CO2 =>
CaCO3 + 2 HCH3CO2 = Ca(CH3CO2)2 + H2O + CO2
Na3PO4 + Al2(SO3)3 = Na2SO3 + AlPO4 =>
2 Na3PO4 + Al2(SO3)3 = 3 Na2SO3 + 2 AlPO4
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C4H10 + Cl2 + O2 = CO2CCl4 + H2O =>
2 C4H10 + 8 Cl2 + 9 O2 = 4 CO2CCl4 + 10 H2O
S2 + H2O = SH + OH =>
S2 + 2 H2O = 2 SH + 2 OH
CO2 + Na2O = Na2CO3 =>
CO2 + Na2O = Na2CO3
Al2(SO3)3 + NaOH = Na2SO3 + Al(OH)3 =>
Al2(SO3)3 + 6 NaOH = 3 Na2SO3 + 2 Al(OH)3
Fe2O3 + Na2O + SiO2 = NaFe + Si2O8 =>
Fe2O3 + Na2O + 2 SiO2 = 2 NaFe + Si2O8
BaCl2 + Na2CO3 = BaCO3 + NaCl =>
BaCl2 + Na2CO3 = BaCO3 + 2 NaCl
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
H3PO4AgNO3 = H3NO3AgPO4 =>
H3PO4AgNO3 = H3NO3AgPO4
Cl2 + SO4 = Cl2O + SOCl2 =>
4 Cl2 + SO4 = 3 Cl2O + SOCl2
Ne + F2 = NeF6 =>
Ne + 3 F2 = NeF6
Fe2(SO4)3 + H2O2 = FeSO4 + O2 + H2SO4 =>
Fe2(SO4)3 + H2O2 = 2 FeSO4 + O2 + H2SO4
CaCCO3 + O2 = CaO + CO2 =>
CaCCO3 + O2 = CaO + 2 CO2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
NaOH + H2O = Na(OH)2 + H2 =>
2 NaOH + 2 H2O = 2 Na(OH)2 + H2
Al2O3(s) = Al(s) + O2(g) =>
2 Al2O3(s) = 4 Al(s) + 3 O2(g)
Li2O + CO = Li2CO2 =>
Li2O + CO = Li2CO2
Cu2SO4 + KOH = K2SO4 + CuOH =>
Cu2SO4 + 2 KOH = K2SO4 + 2 CuOH
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
SbCl3 + KBrO3 + HCl = SbCl5 + KBr + H2O =>
3 SbCl3 + KBrO3 + 6 HCl = 3 SbCl5 + KBr + 3 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
UO2 + HCl + HNO3 = UO2Cl2 + NO2 + H2O =>
UO2 + 2 HCl + 2 HNO3 = UO2Cl2 + 2 NO2 + 2 H2O
K2S + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + Na2SO4 + H2O =>
3 K2S + 4 Na2Cr2O7 + 16 H2SO4 = 4 Cr2(SO4)3 + 3 K2SO4 + 4 Na2SO4 + 16 H2O
Ag + H2S + O2(g) = AgS + H2O =>
2 Ag + 2 H2S + O2(g) = 2 AgS + 2 H2O
NaBr + NaBrO3 + H2SO = Br2 + Na2SO4 + H2 =>
NaBr + NaBrO3 + H2SO = Br2 + Na2SO4 + H2
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