Équations équilibrées la veille |
4 K2 + 5 H2SO4 = 4 K2SO4 + 4 H2O + H2S
C2H5OH + O = C2H5O + H2O =>
2 C2H5OH + O = 2 C2H5O + H2O
CH2H3O2 + CaOH = CH2H3O2(OH) + Ca =>
CH2H3O2 + CaOH = CH2H3O2(OH) + Ca
KOH + NaMnO4 + Na2SO3 = Na2MnO4 + K2SO4 + H2O =>
2 KOH + 2 NaMnO4 + Na2SO3 = 2 Na2MnO4 + K2SO4 + H2O
KBr(aq) + Na2CO3(aq) = BrNa(s) + K2CO3(aq) =>
2 KBr(aq) + Na2CO3(aq) = 2 BrNa(s) + K2CO3(aq)
AsO2{-} + Al + OH{-} + H2O = AlO2{-} + AsH3 =>
AsO2{-} + 2 Al + OH{-} + H2O = 2 AlO2{-} + AsH3
NaOH + Ca = NaCa + Ca(OH)2 =>
2 NaOH + 3 Ca = 2 NaCa + Ca(OH)2
SrCrO4 + CH3COOH = CrCOOH + H2O + Sr(OH)2 + CO2 =>
8 SrCrO4 + 7 CH3COOH = 8 CrCOOH + 2 H2O + 8 Sr(OH)2 + 6 CO2
KCN + H2S2 = KSCN + H2S =>
KCN + H2S2 = KSCN + H2S
H2SiCl2 + NH3 = Si3N4 + HCl + H =>
3 H2SiCl2 + 4 NH3 = Si3N4 + 6 HCl + 12 H
Al4C3 + NaOH = CH4 + Al2O3 + Na2O =>
Al4C3 + 12 NaOH = 3 CH4 + 2 Al2O3 + 6 Na2O
Sn(OH)4 + HCl = H2[SnCl6] + H2O =>
Sn(OH)4 + 6 HCl = H2[SnCl6] + 4 H2O
Fe + CuCl2 = FeCl2 + Cu =>
Fe + CuCl2 = FeCl2 + Cu
Co(NO3)2 + NH4SCN = CoSCN + NH4(NO3)2 =>
Co(NO3)2 + NH4SCN = CoSCN + NH4(NO3)2
Fe(NO{3}){3} + NaOH = Fe(OH){3} + NaNO{3} =>
Fe(NO{3}){3} + NaOH = Fe(OH){3} + NaNO{3}
(C3H6)1 + O2 = CO2 + H2O =>
2(C3H6)1 + 9 O2 = 6 CO2 + 6 H2O
B2O3 + P = B + P4O10 =>
10 B2O3 + 12 P = 20 B + 3 P4O10
AgNO3 + K2CrO4 + H2O = AgCrO2 + K2N + OH =>
AgNO3 + K2CrO4 + 5 H2O = AgCrO2 + K2N + 10 OH
(C3H6O)2 + O2 = CO2 + H2O =>
(C3H6O)2 + 8 O2 = 6 CO2 + 6 H2O
Ag2SO4 + H = Ag + SO + H2O =>
Ag2SO4 + 6 H = 2 Ag + SO + 3 H2O
FeCl2 + K2S = FeS + Cl2K2 =>
FeCl2 + K2S = FeS + Cl2K2
(b)NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(g) =>
2(b)NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(g)
NaCl + K2C2O4 = KCl + Na2C2O4 =>
2 NaCl + K2C2O4 = 2 KCl + Na2C2O4
Fe + O = FeO9 =>
Fe + 9 O = FeO9
Al + S8 = Al2S3 =>
16 Al + 3 S8 = 8 Al2S3
CaPO4 + ZnSO4 = CaSO4 + ZnPO4 =>
CaPO4 + ZnSO4 = CaSO4 + ZnPO4
Li2NH = Li3N + NH3 =>
3 Li2NH = 2 Li3N + NH3
Al2O3Fe2O3 + Al = Fe + Al2O3 =>
Al2O3Fe2O3 + 2 Al = 2 Fe + 2 Al2O3
CuS + Cu2O = Cu + SO4 =>
CuS + 4 Cu2O = 9 Cu + SO4
NaI + NaIO + H2SO4 = Na2SO4 + I2 + H2O =>
NaI + NaIO + H2SO4 = Na2SO4 + I2 + H2O
Cu + H3PO4 = CuH3PO4 =>
Cu + H3PO4 = CuH3PO4
K2CO3 + HClO4 = KClO4 + H2O + CO2 =>
K2CO3 + 2 HClO4 = 2 KClO4 + H2O + CO2
ClO2 + KOH = KCl + KClO4 + H2O =>
8 ClO2 + 8 KOH = 3 KCl + 5 KClO4 + 4 H2O
CuSO4(aq) + (NH4)2S(aq) = CuS(s) + (NH4)2SO4(aq) =>
CuSO4(aq) + (NH4)2S(aq) = CuS(s) + (NH4)2SO4(aq)
Cr + CoCl3 = Co + CrCl3 =>
Cr + CoCl3 = Co + CrCl3
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
CH3COOCH3NaOH = CH3COONaCH3OH =>
CH3COOCH3NaOH = CH3COONaCH3OH
HCl + Mn(OH)6 = MnCl6 + H2O =>
6 HCl + Mn(OH)6 = MnCl6 + 6 H2O
Pb3S2 + O2 = PbO + SO2 =>
2 Pb3S2 + 7 O2 = 6 PbO + 4 SO2
Fe + CuCl2 = FeCl3 + Cu =>
2 Fe + 3 CuCl2 = 2 FeCl3 + 3 Cu
[NH4]N2 + Cu[SO4]2 = Cu(NH4) + N(SO4) =>
[NH4]N2 + Cu[SO4]2 = Cu(NH4) + 2 N(SO4)
Fe2O3 + SnCl2 + HCl = FeCl2 + SnO2 + H2O =>
Fe2O3 + SnCl2 + 2 HCl = 2 FeCl2 + SnO2 + H2O
CuSO4*5H2O + (NH4)2SO4 + H2O = CuSO4*(NH4)2SO4*6H2O =>
CuSO4*5H2O + (NH4)2SO4 + H2O = CuSO4*(NH4)2SO4*6H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Ca(OH)2 + NaHCO3 = NaOH + CaCO3 + H2O =>
Ca(OH)2 + NaHCO3 = NaOH + CaCO3 + H2O
NaHSO4 + (NH4)2CO3 = NaHCO3 + (NH4)2SO4 =>
NaHSO4 + (NH4)2CO3 = NaHCO3 + (NH4)2SO4
CH3H8 + O2 = CO2 + H2O =>
4 CH3H8 + 15 O2 = 4 CO2 + 22 H2O
CuONa2CO3 = CuCO3Na2O =>
CuONa2CO3 = CuCO3Na2O
FeCl2 + K2S = FeS + Cl2K2 =>
FeCl2 + K2S = FeS + Cl2K2
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
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