Équations équilibrées la veille |
2 HCl + ZnCO3 = ZnCl2 + H2OCO2
Al(NO3)3 + K2Cr2O7 = Al2(Cr2O7)3 + KNO3 =>
2 Al(NO3)3 + 3 K2Cr2O7 = Al2(Cr2O7)3 + 6 KNO3
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
Ba(HO)2 + Ca(SO4) = Ca(HO)2 + Ba(SO4) =>
Ba(HO)2 + Ca(SO4) = Ca(HO)2 + Ba(SO4)
Zn + CaCl = Ca + ZnCl =>
Zn + CaCl = Ca + ZnCl
C8H9Br + KOH = C8H9OH + KBr =>
C8H9Br + KOH = C8H9OH + KBr
N2 + H2O = N2H4 + N2O4 =>
3 N2 + 4 H2O = 2 N2H4 + N2O4
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
Ca(OH)2 + HBr = CaH + Br(OH)2 =>
Ca(OH)2 + HBr = CaH + Br(OH)2
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO
C2H5NH2 + H2O = H3OC2H5NH =>
C2H5NH2 + H2O = H3OC2H5NH
Br + O = Br2O5 =>
2 Br + 5 O = Br2O5
H2 + S + CuCl2 = CuS + HCl =>
H2 + S + CuCl2 = CuS + 2 HCl
S2O3{2-} + Cl2 + H2O = SO4{-} + Cl{-} + H{+} =>
S2O3{2-} + 5 Cl2 + 5 H2O = 2 SO4{-} + 10 Cl{-} + 10 H{+}
HI + Cu(OH) = CuI + H2O =>
HI + Cu(OH) = CuI + H2O
CH3COOH(aq) + K2SO3(aq) = CH3COOK(aq) + H2O(l) + SO2(g) =>
2 CH3COOH(aq) + K2SO3(aq) = 2 CH3COOK(aq) + H2O(l) + SO2(g)
CrCl + NaOH + H2O2 = NaCrO7 + NaCl + H2O =>
CrCl + 2 NaOH + 6 H2O2 = NaCrO7 + NaCl + 7 H2O
BaCl + AgNO = Ba(NO) + AgCl =>
BaCl + AgNO = Ba(NO) + AgCl
Ni(s) + S8(s) = NiS(s) =>
8 Ni(s) + S8(s) = 8 NiS(s)
H3PO4 + Ca(OH)2 = Ca2(HPO4)2 + H2O =>
2 H3PO4 + 2 Ca(OH)2 = Ca2(HPO4)2 + 4 H2O
CH3COOOH + O2 = CO2 + H2O =>
2 CH3COOOH + 3 O2 = 4 CO2 + 4 H2O
H2SO4 + NH3 = (NH4)2SO4 =>
H2SO4 + 2 NH3 = (NH4)2SO4
CuSO4(aq) + SrI2(aq) = CuI2(aq) + SrSO4(s) =>
CuSO4(aq) + SrI2(aq) = CuI2(aq) + SrSO4(s)
Pb(NO3)3 + LiCl = Pb + LiNO3 + Cl =>
Pb(NO3)3 + 3 LiCl = Pb + 3 LiNO3 + 3 Cl
CuOFe(NO3)2 = FeOCu(NO3)2 =>
CuOFe(NO3)2 = FeOCu(NO3)2
CaCl2 + NH3 = Ca + NH3Cl =>
CaCl2 + 2 NH3 = Ca + 2 NH3Cl
HSO4 + OH = SO4 + H2O =>
HSO4 + OH = SO4 + H2O
NaClO4 + Ca3(PO4)2 = Na(PO4)2 + Ca3ClO4 =>
NaClO4 + Ca3(PO4)2 = Na(PO4)2 + Ca3ClO4
KHCO3 + HCl = KCl + H2O + CO2 =>
KHCO3 + HCl = KCl + H2O + CO2
HCl + Fe(OH)3 = FeCl3 + H2O =>
3 HCl + Fe(OH)3 = FeCl3 + 3 H2O
Si2Cl6 + O2 = (SiO2) + ClO2 =>
Si2Cl6 + 8 O2 = 2(SiO2) + 6 ClO2
Na2CrO4 + AlBr3 = AlCrO4 + Na2Br3 =>
Na2CrO4 + AlBr3 = AlCrO4 + Na2Br3
Mg3N2(s) + H2O(l) = Mg(OH)2(s) + NH3(g) =>
Mg3N2(s) + 6 H2O(l) = 3 Mg(OH)2(s) + 2 NH3(g)
C3H8O3 + O2 = C3H8O3O2 =>
C3H8O3 + O2 = C3H8O3O2
C3H6O(g) + O2 = CO2(g) + H2O(g) =>
C3H6O(g) + 4 O2 = 3 CO2(g) + 3 H2O(g)
Ca(NO3)2(aq) + Na2CO3(aq) = CaCO3 + NaNO3 =>
Ca(NO3)2(aq) + Na2CO3(aq) = CaCO3 + 2 NaNO3
CuO + SnCl2 = CuCl2 + SnO =>
CuO + SnCl2 = CuCl2 + SnO
K2Cr2O7 + AgNO3 + H2O = Ag2CrO4 + KNO3 + H2CrO4 =>
K2Cr2O7 + 2 AgNO3 + H2O = Ag2CrO4 + 2 KNO3 + H2CrO4
Ag3 = Ag =>
Ag3 = 3 Ag
KO2 + H2O = O2 + KOH =>
4 KO2 + 2 H2O = 3 O2 + 4 KOH
Fe2 + H3PO4 = Fe3(PO4)2 + H2 =>
3 Fe2 + 4 H3PO4 = 2 Fe3(PO4)2 + 6 H2
NaNO2 + K2S2O5 + H2O = HON(SO3K)2 + NaOH =>
NaNO2 + K2S2O5 + H2O = HON(SO3K)2 + NaOH
Mg + H2S = H2 + MgS =>
Mg + H2S = H2 + MgS
C6 + N2 + H2 + O2 = C3H7NO2 =>
C6 + N2 + 7 H2 + 2 O2 = 2 C3H7NO2
C + H2 = CH4 =>
C + 2 H2 = CH4
Pb + H2O + O2 = Pb(OH)2 =>
2 Pb + 2 H2O + O2 = 2 Pb(OH)2
Na2CrO4 + MgCl2 = MgCrO4 + NaCl =>
Na2CrO4 + MgCl2 = MgCrO4 + 2 NaCl
H2O2 + H2SO4 + KBr = K2SO4 + H2O + Br2 =>
H2O2 + H2SO4 + 2 KBr = K2SO4 + 2 H2O + Br2
Na2S2O5 + Br2 + H2O = NaBr + NaHSO4 + SO2 =>
3 Na2S2O5 + 2 Br2 + H2O = 4 NaBr + 2 NaHSO4 + 4 SO2
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