Équations équilibrées la veille |
2 SO2 + O2 = 2 SO3
CuI2 + Br = CuBr2 + I2 =>
CuI2 + 2 Br = CuBr2 + I2
Cr(NO3)3 + Na2CO3 = Cr2(CO3)3 + NaNO3 =>
2 Cr(NO3)3 + 3 Na2CO3 = Cr2(CO3)3 + 6 NaNO3
Zn3(PO4)2 + H3O = Zn + H3PO4 + H2O =>
Zn3(PO4)2 + 6 H3O = 3 Zn + 2 H3PO4 + 6 H2O
C2H5OH + K2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H5OH + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
CH2CH4 + Br2 = CH2CH4Br2 =>
CH2CH4 + Br2 = CH2CH4Br2
AgCl + NaCN = Na[Ag(CN)2] + NaCl =>
AgCl + 2 NaCN = Na[Ag(CN)2] + NaCl
As2S3 + NO3{-} + H{+} + H2O = H3AsO4 + NO + S =>
3 As2S3 + 10 NO3{-} + 10 H{+} + 4 H2O = 6 H3AsO4 + 10 NO + 9 S
C + S8 = CS2 =>
4 C + S8 = 4 CS2
H2S + Cr(OH)6 = Cr2S6 + H2O =>
6 H2S + 2 Cr(OH)6 = Cr2S6 + 12 H2O
Zn(SO4) + Li2CO3 = Zn(CO3) + Li2(SO4) =>
Zn(SO4) + Li2CO3 = Zn(CO3) + Li2(SO4)
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
C(k) + O2(d) = CO(d) =>
2 C(k) + O2(d) = 2 CO(d)
Cr(NO3)3 + Na2(SO4) = Cr2(SO4)3 + Na(NO3) =>
2 Cr(NO3)3 + 3 Na2(SO4) = Cr2(SO4)3 + 6 Na(NO3)
NH4Cl + BaBr2 = BaCl2 + NH4Br =>
2 NH4Cl + BaBr2 = BaCl2 + 2 NH4Br
Ca + N2 = Ca3N2 =>
3 Ca + N2 = Ca3N2
AlCl3 + H2O = Al(OH)3 + HCl =>
AlCl3 + 3 H2O = Al(OH)3 + 3 HCl
Co(Hg(SCN)4) + HNO3 = Co(NO3)2 + Hg(NO3)2 + NH4NO3 + H2SO4 + CO2 + NO =>
7 Co(Hg(SCN)4) + 136 HNO3 = 7 Co(NO3)2 + 7 Hg(NO3)2 + 20 NH4NO3 + 28 H2SO4 + 28 CO2 + 96 NO
Na3AsO4 + EuCl3 = NaCl + EuAsO4 =>
Na3AsO4 + EuCl3 = 3 NaCl + EuAsO4
MnO + KOH = Mn(OH)2 + K2O =>
MnO + 2 KOH = Mn(OH)2 + K2O
CrO4{2-} + Fe(OH)2 + H2O = Cr2O3 + Fe(OH)3 + OH{-} =>
2 CrO4{2-} + 6 Fe(OH)2 + 5 H2O = Cr2O3 + 6 Fe(OH)3 + 4 OH{-}
FeS2 + O2 = FeSO4 + SO2 =>
FeS2 + 3 O2 = FeSO4 + SO2
SF6 + H2 = SF2 + HF =>
SF6 + 2 H2 = SF2 + 4 HF
Na2(Zn(OH)4) + Cl = ZnO + NaOH + HCl + O2 =>
2 Na2(Zn(OH)4) + 4 Cl = 2 ZnO + 4 NaOH + 4 HCl + O2
Al + BiNO3 + KOH = Bi + NH + KAlO2 + HOH =>
7 Al + 3 BiNO3 + 7 KOH = 3 Bi + 3 NH + 7 KAlO2 + 2 HOH
C2H5NSCl + O2 = CO2 + H2O + NO2 + SO3 + HCl =>
2 C2H5NSCl + 11 O2 = 4 CO2 + 4 H2O + 2 NO2 + 2 SO3 + 2 HCl
Zn2 + Sn(NO3)4 = Zn(NO3)2 + Sn =>
Zn2 + Sn(NO3)4 = 2 Zn(NO3)2 + Sn
Mg + Uus = MgUus =>
Mg + Uus = MgUus
CH2CH2 + HCl = CH2ClCH3 =>
CH2CH2 + HCl = CH2ClCH3
CH3Cl + NaCN = CH3CN + NaCl =>
CH3Cl + NaCN = CH3CN + NaCl
CH3NH2 + HCl = CH3NH3 + Cl =>
CH3NH2 + HCl = CH3NH3 + Cl
C6H14N4O2 + O2 = H2O + CO2 + COH4N2 =>
2 C6H14N4O2 + 11 O2 = 6 H2O + 8 CO2 + 4 COH4N2
C4H10 + KMnO4 + H2SO4 = CH3COOH + K2SO4 + MnSO4 + H2O =>
C4H10 + 2 KMnO4 + 3 H2SO4 = 2 CH3COOH + K2SO4 + 2 MnSO4 + 4 H2O
CuSO4 + CH3CHO + NaOH = Cu2O + CH3COOH + Na2SO4 + H2O =>
2 CuSO4 + CH3CHO + 4 NaOH = Cu2O + CH3COOH + 2 Na2SO4 + 2 H2O
Be(OH)2 + NaOH = BeOH + Na(OH)2 =>
Be(OH)2 + NaOH = BeOH + Na(OH)2
Mg + HCl(ac) = MgCl2 + H2 =>
Mg + 2 HCl(ac) = MgCl2 + H2
H2SiO3 + K = K2SiO3 + H =>
H2SiO3 + 2 K = K2SiO3 + 2 H
Mg2SiO4 + H2O = H4SiO4 + Mg(OH)2 =>
Mg2SiO4 + 4 H2O = H4SiO4 + 2 Mg(OH)2
AsCl3 + NaBH4 = AsH3 + NaCl + BCl3 =>
4 AsCl3 + 3 NaBH4 = 4 AsH3 + 3 NaCl + 3 BCl3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Tl3AsO3 + KMnO4 + H2SO4 = TlAsO4 + Tl2(SO4)3 + MnSO4 + K2SO4 + H2O =>
5 Tl3AsO3 + 8 KMnO4 + 27 H2SO4 = 5 TlAsO4 + 5 Tl2(SO4)3 + 8 MnSO4 + 4 K2SO4 + 27 H2O
C6H12O6 + H2 = C9H10 + H2O =>
3 C6H12O6 + 10 H2 = 2 C9H10 + 18 H2O
Fe(III) + S8 = Fe(III)S8 =>
Fe(III) + S8 = Fe(III)S8
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Cr2(SO4)3 + NaOH + Cl2 = NaCrO4 + NaCl + Na2SO4 + H2O =>
Cr2(SO4)3 + 16 NaOH + 4 Cl2 = 2 NaCrO4 + 8 NaCl + 3 Na2SO4 + 8 H2O
(NH4)SO4 + NaOH = (NH4)OH + NaSO4 =>
(NH4)SO4 + NaOH = (NH4)OH + NaSO4
C17H35COOK + CaCl2 = (C17H35COO)2Ca + KCl =>
2 C17H35COOK + CaCl2 = (C17H35COO)2Ca + 2 KCl
CH3OH + C2H5COOH = C2H5COOCH3 + H2O =>
CH3OH + C2H5COOH = C2H5COOCH3 + H2O
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
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