Équations équilibrées la veille |
K2S + H2SO4 = K2SO4 + H2S
K2Cr2O7 + H2S = Cr2O3 + KOH + SO2 =>
K2Cr2O7 + H2S = Cr2O3 + 2 KOH + SO2
FeCl2 + KNO3 + HCl = FeCl3 + NO + H2O + KCl =>
3 FeCl2 + KNO3 + 4 HCl = 3 FeCl3 + NO + 2 H2O + KCl
K2Cr2O7 + H2S = Cr2S3 + K2S + S + H2O =>
K2Cr2O7 + 7 H2S = Cr2S3 + K2S + 3 S + 7 H2O
Hg(NO3)2 + H2O = Hg(OH)NO3 + HNO3 =>
Hg(NO3)2 + H2O = Hg(OH)NO3 + HNO3
CH3COONa + FeCl3 + H2O = Fe(OH)2CH3COO + CH3COOH + NaCl =>
3 CH3COONa + FeCl3 + 2 H2O = Fe(OH)2CH3COO + 2 CH3COOH + 3 NaCl
I + O2 = IO =>
2 I + O2 = 2 IO
KCl + Pb(C2H3O2)2 = K(C2H3O2) + PbCl2 =>
2 KCl + Pb(C2H3O2)2 = 2 K(C2H3O2) + PbCl2
Be3N2 = Be + N =>
Be3N2 = 3 Be + 2 N
Be3N2 = Be2 + N3 =>
6 Be3N2 = 9 Be2 + 4 N3
(NH4)3[RhCl6] + NH3 = [Rh(NH3)5Cl]Cl2 + NH4Cl =>
(NH4)3[RhCl6] + 5 NH3 = [Rh(NH3)5Cl]Cl2 + 3 NH4Cl
K2Cr2O7 + H2S = H2Cr2O7 + K2S =>
K2Cr2O7 + H2S = H2Cr2O7 + K2S
Zn + SnI4 = ZnI2 + Sn =>
2 Zn + SnI4 = 2 ZnI2 + Sn
Na + HCl = NaCl + H =>
Na + HCl = NaCl + H
KH + O2 = K2O + H2O =>
2 KH + O2 = K2O + H2O
Hg(NO3)2 + H2O = HgO + HNO3 =>
Hg(NO3)2 + H2O = HgO + 2 HNO3
Na2CO3 + KCl = K2CO3 + NaCl =>
Na2CO3 + 2 KCl = K2CO3 + 2 NaCl
Pd + HNO3 + HCl = H2PdCl6 + NO2 + H2O =>
Pd + 4 HNO3 + 6 HCl = H2PdCl6 + 4 NO2 + 4 H2O
Al + HCl = (AlCl)3 + H2 =>
6 Al + 6 HCl = 2(AlCl)3 + 3 H2
Mg + NaOH = MgO + Na + H2 =>
2 Mg + 2 NaOH = 2 MgO + 2 Na + H2
O2 + I = IO7 =>
7 O2 + 2 I = 2 IO7
KClOHClO4 = KClO4HClO =>
KClOHClO4 = KClO4HClO
FeCl3 + CH3COONa + H2O = Fe(OH)3 + NaCl + CH3COOH =>
FeCl3 + 3 CH3COONa + 3 H2O = Fe(OH)3 + 3 NaCl + 3 CH3COOH
Be3N2 = Be2 + N3 =>
6 Be3N2 = 9 Be2 + 4 N3
Pb(NO)2 + Zn = Zn(NO)2 + Pb =>
Pb(NO)2 + Zn = Zn(NO)2 + Pb
K2Cr2O7 + H2S = K2CrO4 + Cr(OH)3 + S =>
2 K2Cr2O7 + 3 H2S = 2 K2CrO4 + 2 Cr(OH)3 + 3 S
Be3N2 = Be + N =>
Be3N2 = 3 Be + 2 N
CaCO3 + Zn(NO3)2 = Ca(NO3)2 + ZnCO3 =>
CaCO3 + Zn(NO3)2 = Ca(NO3)2 + ZnCO3
Pb(CH3COO)2 + SO2 = Pb(SO3)2 + (CH3COO)2S =>
Pb(CH3COO)2 + 3 SO2 = Pb(SO3)2 + (CH3COO)2S
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
KH + O2 = KOH =>
2 KH + O2 = 2 KOH
SiO2 + H2O2 = H2SiO4 =>
SiO2 + H2O2 = H2SiO4
BaCl2 + HCl = HBa + Cl =>
BaCl2 + HCl = HBa + 3 Cl
K2S + H2SO4 = K2SO4 + H2S =>
K2S + H2SO4 = K2SO4 + H2S
W + F2 = WF5 =>
2 W + 5 F2 = 2 WF5
CaSO4 + H2O = Ca(OH)2 + *H2SO4 =>
CaSO4 + 2 H2O = Ca(OH)2 + *H2SO4
C + HCl = ClCH =>
C + HCl = ClCH
CaSO4 + H2O = CaSO4*H2O =>
CaSO4 + H2O = CaSO4*H2O
CH2Cl2 + Cl2 = CHCl3 + H2 =>
2 CH2Cl2 + Cl2 = 2 CHCl3 + H2
SO2 + Cl2 + OH{-} = SO4{-2} + Cl{-} + H2O =>
SO2 + Cl2 + 4 OH{-} = SO4{-2} + 2 Cl{-} + 2 H2O
C2H7N + NaOH = CH3NHNa + CH3OH =>
C2H7N + NaOH = CH3NHNa + CH3OH
H2(SO4) + Ca3(PO4)2 = CaSO4 + H3PO4 =>
3 H2(SO4) + Ca3(PO4)2 = 3 CaSO4 + 2 H3PO4
Zn + AlCl3 + H2O = ZnCl2 + Al(OH)Cl2 + H2 =>
Zn + 2 AlCl3 + 2 H2O = ZnCl2 + 2 Al(OH)Cl2 + H2
CuNH3 + NaOH = Cu(OH)2 + Na + NH3 =>
CuNH3 + 2 NaOH = Cu(OH)2 + 2 Na + NH3
Al + CuS = AlS + Cu =>
Al + CuS = AlS + Cu
SI + Na = NaSI =>
SI + Na = NaSI
CuOH + Ca3P2 = Cu3P + Ca(OH)2 =>
6 CuOH + Ca3P2 = 2 Cu3P + 3 Ca(OH)2
K2Cr2O7 + H2S = Cr2O3 + S + K2S + H2O =>
K2Cr2O7 + 4 H2S = Cr2O3 + 3 S + K2S + 4 H2O
CuCl2 + HCl = Cu + HCl3 =>
CuCl2 + HCl = Cu + HCl3
NH4NO3 + KOH = NH4OH + KNO3 =>
NH4NO3 + KOH = NH4OH + KNO3
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