Équations équilibrées la veille |
2 KBr + 2 H2SO4 = K2SO4 + Br2 + SO2 + 2 H2O
Ca(NO3)2 + KHSO4 = Ca(HSO4)2 + KNO3 =>
Ca(NO3)2 + 2 KHSO4 = Ca(HSO4)2 + 2 KNO3
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
(NH4)2SO3 + HNO3 = NO2 + H2S + H2O =>
(NH4)2SO3 + 8 HNO3 = 10 NO2 + H2S + 7 H2O
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
SiC + F2 = CF4 + SiF4 =>
SiC + 4 F2 = CF4 + SiF4
K2S(aq) + CaBr2(aq) = KBr + CaS =>
K2S(aq) + CaBr2(aq) = 2 KBr + CaS
Zn + HCl + As2O3 = AsH3 + ZnCl2 + H2O =>
6 Zn + 12 HCl + As2O3 = 2 AsH3 + 6 ZnCl2 + 3 H2O
*Cu + S = CuS =>
*Cu + S = CuS
BrO3{-} + Cl{-} + H{+} = Br2 + Cl2 + H2O =>
2 BrO3{-} + 10 Cl{-} + 12 H{+} = Br2 + 5 Cl2 + 6 H2O
Na{3}PO{4} + HCl = H{3}PO{4} + NaCl =>
Na{3}PO{4} + HCl = H{3}PO{4} + NaCl
MnO4 + HO2CCO2H = Mn + CO2 + H2O =>
MnO4 + 4 HO2CCO2H = Mn + 8 CO2 + 4 H2O
As2S2 + Cl2 + H2O = H3AsO4 + H2SO4 + HCl =>
As2S2 + 11 Cl2 + 16 H2O = 2 H3AsO4 + 2 H2SO4 + 22 HCl
SiO + O2 = SiO2 =>
2 SiO + O2 = 2 SiO2
PCl4OH + H2SO4 = PCl4{+} + HSO4{-} + H2O =>
PCl4OH + H2SO4 = PCl4{+} + HSO4{-} + H2O
Na + Cu2SO4 = Na2SO4 + Cu =>
2 Na + Cu2SO4 = Na2SO4 + 2 Cu
N + H + Cl = NH4Cl =>
N + 4 H + Cl = NH4Cl
Cr2O7{2-} + NO2{-} + H3O{+} = Cr{3+} + NO3{-} + H2O =>
Cr2O7{2-} + 3 NO2{-} + 8 H3O{+} = 2 Cr{3+} + 3 NO3{-} + 12 H2O
I2 + N2 = NI5 =>
5 I2 + N2 = 2 NI5
C2H4 + O2 = CH3COOH =>
C2H4 + O2 = CH3COOH
Ag + Fe{+} = Ag{+} + Fe =>
Ag + Fe{+} = Ag{+} + Fe
KBr(aq) + Pb(NO3)2(aq) = PbBr2(s) + KNO3(aq) =>
2 KBr(aq) + Pb(NO3)2(aq) = PbBr2(s) + 2 KNO3(aq)
CuO + H{+} = Cu{2+} + H2O =>
CuO + 2 H{+} = Cu{2+} + H2O
PbS + H2O = PbO + SO2 + H2 =>
PbS + 3 H2O = PbO + SO2 + 3 H2
FeCl2 + NaSO3 = FeSO3 + NaCl2 =>
FeCl2 + NaSO3 = FeSO3 + NaCl2
Zn(ClO3)2 = ZnCl2 + O2 =>
Zn(ClO3)2 = ZnCl2 + 3 O2
FeBr = Fe + Br2 =>
2 FeBr = 2 Fe + Br2
AgOH(s) + HCl(aq) = AgCl(s) + H2O(l) =>
AgOH(s) + HCl(aq) = AgCl(s) + H2O(l)
FeO + H2O = Fe2O3 + H2 =>
2 FeO + H2O = Fe2O3 + H2
CH3CH(OH)CH3 + KMnO4 = CH3COCH3 + MnO2 + KOH + H2O =>
3 CH3CH(OH)CH3 + 2 KMnO4 = 3 CH3COCH3 + 2 MnO2 + 2 KOH + 2 H2O
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
CuCl2 + H2S = Cu2S2 + HCl =>
2 CuCl2 + 2 H2S = Cu2S2 + 4 HCl
Na + S8 = Na2S =>
16 Na + S8 = 8 Na2S
Sr + HCl = SrCl2 + H2 =>
Sr + 2 HCl = SrCl2 + H2
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Na2CO3(s) + HNO3(aq) = NaNO3(aq) + H2O(aq) + CO2(g) =>
Na2CO3(s) + 2 HNO3(aq) = 2 NaNO3(aq) + H2O(aq) + CO2(g)
Pb + Zn2{+} = Pb2{+} + Zn =>
2 Pb + Zn2{+} = Pb2{+} + 2 Zn
NaOH + I2 = H2O + NaI + NaIO3 =>
6 NaOH + 3 I2 = 3 H2O + 5 NaI + NaIO3
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
HBr + Ca(HO)2 = CaBr2 + H2O =>
2 HBr + Ca(HO)2 = CaBr2 + 2 H2O
KOH + I = KI + OH =>
KOH + I = KI + OH
CuSO4 + NH4OH = (CuNH3)SO4 + H2O =>
CuSO4 + NH4OH = (CuNH3)SO4 + H2O
NaOH(aw) + CaCl2(aq) = Ca(OH)2(s) + NaCl(aq) =>
2 NaOH(aw) + CaCl2(aq) = Ca(OH)2(s) + 2 NaCl(aq)
ZnS + O2 = Zn0 + SO2 =>
ZnS + O2 = Zn0 + SO2
Ca3(PO4)2 + HCl = CaCl2 + H3(PO4) =>
Ca3(PO4)2 + 6 HCl = 3 CaCl2 + 2 H3(PO4)
AlF3 + HgCl2 = AlCl3 + HgF2 =>
2 AlF3 + 3 HgCl2 = 2 AlCl3 + 3 HgF2
K2Cr2O7 + NaCl + H2SO4 = CrCl3 + Na2SO4 + K2SO4 + Cl2 + H2O =>
K2Cr2O7 + 12 NaCl + 7 H2SO4 = 2 CrCl3 + 6 Na2SO4 + K2SO4 + 3 Cl2 + 7 H2O
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
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