Équations équilibrées la veille |
2 KMnO4 + 12 H2O + 5 VCl3 = 5 H3VO4 + 2 KCl + 2 MnCl2 + 9 HCl
Cr + O2 + Au = AuCr2O7 =>
4 Cr + 7 O2 + 2 Au = 2 AuCr2O7
Cu(NO3)2 + Ag = CuAg + (NO3)2 =>
Cu(NO3)2 + Ag = CuAg + (NO3)2
KMnO4 = MnO2 + K2O + O =>
2 KMnO4 = 2 MnO2 + K2O + 3 O
Al(OH)3 + HNO2 = Al(NO2)3 + H2O =>
Al(OH)3 + 3 HNO2 = Al(NO2)3 + 3 H2O
Ga(OH)3 + H = Ga + H2O =>
Ga(OH)3 + 3 H = Ga + 3 H2O
I{-} + NO{+3}{-} = I{+2} + NO =>
I{-} + NO{+3}{-} = I{+2} + NO
H3PO4 + NaHCO3 = CO2 + H2O + Na2HPO4 =>
H3PO4 + 2 NaHCO3 = 2 CO2 + 2 H2O + Na2HPO4
CrBr + Na2Co3 = NaBr + Cr2 + (Co3)3 =>
6 CrBr + 3 Na2Co3 = 6 NaBr + 3 Cr2 + (Co3)3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Na + AlBr3 = NaBr + Al3 =>
9 Na + 3 AlBr3 = 9 NaBr + Al3
C2H5OH + O = CO2 + H2 =>
C2H5OH + 3 O = 2 CO2 + 3 H2
KOH + NaHCO3 = Na2CO3 + H2O + K2CO3 =>
2 KOH + 2 NaHCO3 = Na2CO3 + 2 H2O + K2CO3
Al + H2 = Al5H9 =>
10 Al + 9 H2 = 2 Al5H9
Zr(NO3)4 + K3PO4 = Zr3(PO4)4 + KNO3 =>
3 Zr(NO3)4 + 4 K3PO4 = Zr3(PO4)4 + 12 KNO3
C6H5Cl + SiCl4 + Na = (C6H5)4Si + NaCl =>
4 C6H5Cl + SiCl4 + 8 Na = (C6H5)4Si + 8 NaCl
Co + Cl2 + NaOH = Co(OH)2 + NaCl =>
Co + Cl2 + 2 NaOH = Co(OH)2 + 2 NaCl
COH10 + O2 = CO + H2O =>
2 COH10 + 5 O2 = 2 CO + 10 H2O
AgNO3(aq) + LiBr(aq) = AgBr(s) + LiNO3(aq) =>
AgNO3(aq) + LiBr(aq) = AgBr(s) + LiNO3(aq)
NaOH + HSO = NaSO + H2O =>
NaOH + HSO = NaSO + H2O
Na2O + CO2 = Na2CO3 =>
Na2O + CO2 = Na2CO3
C2H5OH + C3H7OH = C5H12OH2O =>
C2H5OH + C3H7OH = C5H12OH2O
Co + As + S = CoAsS =>
Co + As + S = CoAsS
N2 + H2O = NH3 + O2 =>
2 N2 + 6 H2O = 4 NH3 + 3 O2
SrI2 + (NH4)2SO4 = SrSO4 + NH4I =>
SrI2 + (NH4)2SO4 = SrSO4 + 2 NH4I
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
CaCN2 + H2O = CaCO3 + NH3 =>
CaCN2 + 3 H2O = CaCO3 + 2 NH3
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Zn2 + H2SO4 = ZnSO4 + H =>
Zn2 + 2 H2SO4 = 2 ZnSO4 + 4 H
Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(s) + KNO3(aq) =>
Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(s) + 2 KNO3(aq)
CS + N = CSN =>
CS + N = CSN
Rb + F2 = RbF =>
2 Rb + F2 = 2 RbF
I + NH4F = INH4 + F2 =>
2 I + 2 NH4F = 2 INH4 + F2
HCl + H2BaO2 = BaCl2 + H2O =>
2 HCl + H2BaO2 = BaCl2 + 2 H2O
At + He + I + Sm = AtHeISm =>
At + He + I + Sm = AtHeISm
BaCl2 + AgNO3 = AgCl + Ba(NO3)2 =>
BaCl2 + 2 AgNO3 = 2 AgCl + Ba(NO3)2
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
NI5 = N2 + I2 =>
2 NI5 = N2 + 5 I2
Zn + O2 + NaOH = Na2ZnO2 + H2O =>
2 Zn + O2 + 4 NaOH = 2 Na2ZnO2 + 2 H2O
SrCO3 + Nd2O3 + Y2O3 + TiO2 = Sr900Nd67Y33Ti1000O3000 + CO2 + O2 =>
1800 SrCO3 + 67 Nd2O3 + 33 Y2O3 + 2000 TiO2 = 2 Sr900Nd67Y33Ti1000O3000 + 1800 CO2 + 50 O2
C2H4 + Cl2 = C2H4Cl2 =>
C2H4 + Cl2 = C2H4Cl2
CH3COOH(l) + NaHCO3(s) = CH3COONa(ac) + CO2(g) + H2O(l) =>
CH3COOH(l) + NaHCO3(s) = CH3COONa(ac) + CO2(g) + H2O(l)
CO2 + Ba(OH)2 = H2O + BaCO3 =>
CO2 + Ba(OH)2 = H2O + BaCO3
Fe2SO43 + NaOH = NaSO43 + Fe2OH =>
Fe2SO43 + NaOH = NaSO43 + Fe2OH
CuSO4 = CuO + SO3 =>
CuSO4 = CuO + SO3
Na2SiO3 + ZnCl2 = NaCl + ZnSiO3 =>
Na2SiO3 + ZnCl2 = 2 NaCl + ZnSiO3
C3H8 + HCl = C3H5Cl + H =>
C3H8 + HCl = C3H5Cl + 4 H
CO + Fe3O4 = CO2 + Fe =>
4 CO + Fe3O4 = 4 CO2 + 3 Fe
C12H22O11(l) + O2 = CO2(g) + H2O =>
C12H22O11(l) + 12 O2 = 12 CO2(g) + 11 H2O
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