Équations équilibrées la veille |
CaN2O6 + H2SO4 = CaSO4 + 2 HNO3
Be2CO3(OH)2 = BeO + CO2 + H2O =>
Be2CO3(OH)2 = 2 BeO + CO2 + H2O
NaBr + CoCl2 = NaCl + CoBr2 =>
2 NaBr + CoCl2 = 2 NaCl + CoBr2
NaOH + (NH4)2Cr2O7 = NH3 + Na2Cr2O7 + H2O =>
2 NaOH + (NH4)2Cr2O7 = 2 NH3 + Na2Cr2O7 + 2 H2O
Na2 + (CO3) + FeBr3 = Fe2(CO3)3 + NaBr =>
3 Na2 + 3(CO3) + 2 FeBr3 = Fe2(CO3)3 + 6 NaBr
HCl + Mn(OH)4 = MnCl4 + H2O =>
4 HCl + Mn(OH)4 = MnCl4 + 4 H2O
SF6 + Al2O3 = SO2F2 + AlF3 =>
3 SF6 + 2 Al2O3 = 3 SO2F2 + 4 AlF3
NaClK[Sb(OH)6] = Na[Sb(OH)6]KCl =>
NaClK[Sb(OH)6] = Na[Sb(OH)6]KCl
C6H6 + H3 = C6H12 =>
C6H6 + 2 H3 = C6H12
FeO + HNO3 = Fe(NO3)3 + NO + H2O =>
3 FeO + 10 HNO3 = 3 Fe(NO3)3 + NO + 5 H2O
BaCl2 + AgNO3 = Ba(NO3)2 + AgCl =>
BaCl2 + 2 AgNO3 = Ba(NO3)2 + 2 AgCl
HClO4 + NaCHO2 = HCHO2 + NaClO4 =>
HClO4 + NaCHO2 = HCHO2 + NaClO4
C2H6Cl + Na = C2H6Na + Cl =>
C2H6Cl + Na = C2H6Na + Cl
CrO + SnO2 + HPO3 = H2Cr2O7 + Sn(PO3)2 + H2O =>
2 CrO + 4 SnO2 + 8 HPO3 = H2Cr2O7 + 4 Sn(PO3)2 + 3 H2O
C7H7NO + NH2OH = C7H7NH2 + N2 + H2O =>
C7H7NO + 4 NH2OH = C7H7NH2 + 2 N2 + 5 H2O
Al(NO3)3 + K2CO3 + H2O = Al(OH)3 + CO2 + KNO3 =>
2 Al(NO3)3 + 3 K2CO3 + 3 H2O = 2 Al(OH)3 + 3 CO2 + 6 KNO3
OH = HO =>
OH = HO
P2O5 + H2SO4 = SO3 + H3PO4 =>
P2O5 + 3 H2SO4 = 3 SO3 + 2 H3PO4
CO3{2-} + SnS2 = SnS3{2-} + SnO3{2-} + CO2 =>
3 CO3{2-} + 3 SnS2 = 2 SnS3{2-} + SnO3{2-} + 3 CO2
C6H14 + CoF3 = C6F14 + HF + CoF2 =>
C6H14 + 28 CoF3 = C6F14 + 14 HF + 28 CoF2
C2H2 + Na = C2HNa + H2 =>
2 C2H2 + 2 Na = 2 C2HNa + H2
KMnO4 + C3H8O = CO2 + H2O + Mn + K =>
9 KMnO4 + 4 C3H8O = 12 CO2 + 16 H2O + 9 Mn + 9 K
KMnO4 + N2O3 + H2O = MnO2 + HNO3 + KNO3 =>
4 KMnO4 + 3 N2O3 + H2O = 4 MnO2 + 2 HNO3 + 4 KNO3
HgS + HNO3 + HCl = H2[HgCl4] + S + NO + H2O =>
3 HgS + 2 HNO3 + 12 HCl = 3 H2[HgCl4] + 3 S + 2 NO + 4 H2O
LiBrO3 + Al(NO3)3 = LiNO3 + Al(BrO3)3 =>
3 LiBrO3 + Al(NO3)3 = 3 LiNO3 + Al(BrO3)3
CuCl2 + AgNO3 = AgCl + Cu(NO3)2 =>
CuCl2 + 2 AgNO3 = 2 AgCl + Cu(NO3)2
Cu(OH)2 + H3AsO4 = (Cu(OH))3AsO4 + H2O =>
3 Cu(OH)2 + H3AsO4 = (Cu(OH))3AsO4 + 3 H2O
H{+} + CIO4{-} + I{-} = CI{-} + I2 + H2O =>
8 H{+} + CIO4{-} + 8 I{-} = CI{-} + 4 I2 + 4 H2O
NaHSO3 + NaHSO4 = SO2 + H2O + Na2SO4 =>
NaHSO3 + NaHSO4 = SO2 + H2O + Na2SO4
Fe(NH4)2(SO4)2(H2O)6 + H2C2O4 + K2C2O4 + H2O2 = K3Fe2(C2O4)8(H2O)6 + (NH4)2SO4 + H2SO4 + H2O =>
4 Fe(NH4)2(SO4)2(H2O)6 + 13 H2C2O4 + 3 K2C2O4 + 9 H2O2 = 2 K3Fe2(C2O4)8(H2O)6 + 4(NH4)2SO4 + 4 H2SO4 + 30 H2O
NaClO + BiClO4 = BiClO + NaClO4 =>
NaClO + BiClO4 = BiClO + NaClO4
S + Br2 + NaOH = Na2SO4 + NaBr + H2O =>
S + 3 Br2 + 8 NaOH = Na2SO4 + 6 NaBr + 4 H2O
Os + O2 = OsO2 =>
Os + O2 = OsO2
KMnO4 + H2SO4 + Zn = K2SO4 + MnSO4 + ZnSO4 + H2O =>
2 KMnO4 + 8 H2SO4 + 5 Zn = K2SO4 + 2 MnSO4 + 5 ZnSO4 + 8 H2O
Fe(NO3)2 = Fe3O4 + NO2 + O2 =>
3 Fe(NO3)2 = Fe3O4 + 6 NO2 + O2
ZnCI2 + CuSO4 = ZnSO4 + CuCI2 =>
ZnCI2 + CuSO4 = ZnSO4 + CuCI2
CaF2(S) + H2SO4 = CaSO4(S) + HF =>
CaF2(S) + H2SO4 = CaSO4(S) + 2 HF
Ca3 + (OH)2 + HCl2 = H3O + Ca3Cl2O2 =>
4 Ca3 + 7(OH)2 + 4 HCl2 = 6 H3O + 4 Ca3Cl2O2
H3AsO4 + H2Se = Se + AsO + H2O =>
2 H3AsO4 + 3 H2Se = 3 Se + 2 AsO + 6 H2O
Fe{3+} + NCS{-} + NH3 = NH3NCS(aq) + Fe =>
Fe{3+} + 3 NCS{-} + 3 NH3 = 3 NH3NCS(aq) + Fe
C2H2 + KMnO4 + H2O = CH4O2 + KOH + MnO2 =>
3 C2H2 + 2 KMnO4 + 10 H2O = 6 CH4O2 + 2 KOH + 2 MnO2
Cd(OH)2 = Cd + H2O + O2 =>
2 Cd(OH)2 = 2 Cd + 2 H2O + O2
Sr(NO3)2 + Al(NO3)39H2O + NaOH = Sr3Al2(OH)12 + NaNO3 + OH + H =>
3 Sr(NO3)2 + 2 Al(NO3)39H2O + 84 NaOH = Sr3Al2(OH)12 + 84 NaNO3 + 74 OH + 2 H
(CH3)2CHCH2CH2OH + CH3COOH = CH3COOCHCH2CH2(CH3)2 + H2O =>
(CH3)2CHCH2CH2OH + CH3COOH = CH3COOCHCH2CH2(CH3)2 + H2O
Cu2SO4 + KCO = Cu2CO + KSO4 =>
Cu2SO4 + KCO = Cu2CO + KSO4
K2MnO4 + H2C2O4 = K2C2O4 + MnC2O4 + CO2 + H2O =>
K2MnO4 + 4 H2C2O4 = K2C2O4 + MnC2O4 + 4 CO2 + 4 H2O
C2H4O2 + O2 = (C2H4O2)2O =>
4 C2H4O2 + O2 = 2(C2H4O2)2O
(Na2S2O3)2 + H2SO4 = Na2SO4 + H2SO3 + S =>
(Na2S2O3)2 + 2 H2SO4 = 2 Na2SO4 + 2 H2SO3 + 2 S
C2H2(oh)3 + O2 = CO2 + H2O =>
4 C2H2(oh)3 + 31 O2 = 8 CO2 + 46 H2O
NaHCO3 + CaCl2 = CaCO3 + NaCl + H2O + CO2 =>
2 NaHCO3 + CaCl2 = CaCO3 + 2 NaCl + H2O + CO2
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