Équations équilibrées la veille | Équations équilibrées le lendemain |
SO2(H2S)2 + 18 FeCl3 + 10 H2O = 18 FeCl2 + 3 H2SO4 + 18 HCl
MgS + Fe(No3)3 = Mg(No3)2 + Fe2S3 =>
3 MgS + 2 Fe(No3)3 = 3 Mg(No3)2 + Fe2S3
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
B + BaCrO4 = BO + Ba + Cr =>
4 B + BaCrO4 = 4 BO + Ba + Cr
Ag2SO4(aq) + NaNO3(aq) = AgNO3 + Na2SO4 =>
Ag2SO4(aq) + 2 NaNO3(aq) = 2 AgNO3 + Na2SO4
SO3 + NiO = NiSO4 =>
SO3 + NiO = NiSO4
H2SO4 + HCl = H2 + HClSO4 =>
H2SO4 + HCl = H2 + HClSO4
NaCO3 + AlSO4 = AlCO3 + NaSO4 =>
NaCO3 + AlSO4 = AlCO3 + NaSO4
B + C = B3C4 =>
3 B + 4 C = B3C4
NaNO3 + Al + NaOH + H2O = Na[Al(OH)4] + NH3 =>
3 NaNO3 + 8 Al + 5 NaOH + 18 H2O = 8 Na[Al(OH)4] + 3 NH3
Na2CO3 + HCH3COO = NaC2H3O2 + H2O + CO2 =>
Na2CO3 + 2 HCH3COO = 2 NaC2H3O2 + H2O + CO2
MnO2 + NaOH = Na3MnO4 + H2O + MnO(OH) =>
2 MnO2 + 3 NaOH = Na3MnO4 + H2O + MnO(OH)
ZrO2*8Y2O3 + NH4Cl + HCl = ZrOCl2*8H2O + YCl3 + NH4OH =>
ZrO2*8Y2O3 + 17 NH4Cl + 33 HCl = ZrOCl2*8H2O + 16 YCl3 + 17 NH4OH
B + C = B4C =>
4 B + C = B4C
NH3(aq) + H3PO4(aq) = (NH4)3PO4(aq) =>
3 NH3(aq) + H3PO4(aq) = (NH4)3PO4(aq)
KBrO3 + MnCl2 + KOH = K2MnO4 + KBr + KCl + H2O =>
2 KBrO3 + 3 MnCl2 + 12 KOH = 3 K2MnO4 + 2 KBr + 6 KCl + 6 H2O
NH4NO3 + Na2CO3 = NaNO3 + NH + H2O + CO2 =>
3 NH4NO3 + Na2CO3 = 2 NaNO3 + 4 NH + 4 H2O + CO2
Fe(H2PO3)2 + KMnO4 + H2SO4 = Fe2(SO4)3 + H3PO4 + MnSO4 + K2SO4 + H2O =>
2 Fe(H2PO3)2 + 2 KMnO4 + 6 H2SO4 = Fe2(SO4)3 + 4 H3PO4 + 2 MnSO4 + K2SO4 + 4 H2O
Mn + HNO3 + H2O = [Mn(H2O)6](NO3)2 + H2 =>
Mn + 2 HNO3 + 6 H2O = [Mn(H2O)6](NO3)2 + H2
Na2SnS3 + HCl = SnS2 + NaCl + H2S =>
Na2SnS3 + 2 HCl = SnS2 + 2 NaCl + H2S
Si + F = FSi =>
Si + F = FSi
Cr2O7{-2} + H{+} + I2 = Cr + H2O + IO =>
Cr2O7{-2} + 2 H{+} + 3 I2 = 2 Cr + H2O + 6 IO
KClMnO2 = ClO2KMn =>
KClMnO2 = ClO2KMn
B2H6 + KOH + H2O = K2B4O7 + H2 =>
2 B2H6 + 2 KOH + 5 H2O = K2B4O7 + 12 H2
K2Cr2O7 + SnI2 + H{+} = Cr{-3} + Sn{+4} + I2 + K{+} + H2O =>
2 K2Cr2O7 + 9 SnI2 + 28 H{+} = 4 Cr{-3} + 9 Sn{+4} + 9 I2 + 4 K{+} + 14 H2O
CrO3 + CH3OH + HCl = CrCl3 + H2O + CH2O =>
2 CrO3 + 3 CH3OH + 6 HCl = 2 CrCl3 + 6 H2O + 3 CH2O
Co + Fe + S + Se = Co015Fe19S01Se =>
15 Co + 19 Fe + S + Se = Co015Fe19S01Se
HS + CaOH = HOH + CaS =>
HS + CaOH = HOH + CaS
C3H6O3 = H2O + C =>
C3H6O3 = 3 H2O + 3 C
Ba(No3)2 + H2O = HNo3 + Ba(OH)2 =>
Ba(No3)2 + 2 H2O = 2 HNo3 + Ba(OH)2
NaC2H3O2 + H2O + CO2 = NaHCO3 + HC2H3O2 =>
NaC2H3O2 + H2O + CO2 = NaHCO3 + HC2H3O2
CuF2 + BaCO3 = CuCO3 + BaF2 =>
CuF2 + BaCO3 = CuCO3 + BaF2
Sn(OH)4 + H2SO4 = Sn(SO4)2 + H(OH) =>
Sn(OH)4 + 2 H2SO4 = Sn(SO4)2 + 4 H(OH)
SO2 + Cl2 = Cl2S + O2 =>
SO2 + Cl2 = Cl2S + O2
C7H6O3 + HNaCO3 = CO2 + H2O + C7H5O3Na =>
C7H6O3 + HNaCO3 = CO2 + H2O + C7H5O3Na
NH4I + NaOH = NaI + NH3 + H2O =>
NH4I + NaOH = NaI + NH3 + H2O
KMnO4 + H2SO4 + CH3OH = CH2O + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 3 H2SO4 + 5 CH3OH = 5 CH2O + 2 MnSO4 + K2SO4 + 8 H2O
Ba(NO3)2(aq) + HI(aq) = BaI2(s) + HNO3(aq) =>
Ba(NO3)2(aq) + 2 HI(aq) = BaI2(s) + 2 HNO3(aq)
Ba(NO3)2(aq) + NaOH(aq) = Ba(OH)2(s) + NaNO3(aq) =>
Ba(NO3)2(aq) + 2 NaOH(aq) = Ba(OH)2(s) + 2 NaNO3(aq)
Ba(NO3)2 + (NH4)2C2O4 = BaC2O4 + (NH4)NO3 =>
Ba(NO3)2 + (NH4)2C2O4 = BaC2O4 + 2(NH4)NO3
CH3CH2NH2 + HNO3 = N2 + H2O + CH3CH2OH =>
5 CH3CH2NH2 + 3 HNO3 = 4 N2 + 4 H2O + 5 CH3CH2OH
CdS + H2SO4 = CdSO4 + H2S =>
CdS + H2SO4 = CdSO4 + H2S
Ba(NO3)2 + KBr = BaBr2 + KNO3 =>
Ba(NO3)2 + 2 KBr = BaBr2 + 2 KNO3
KOH + CO2 = K2CO3 + H2O =>
2 KOH + CO2 = K2CO3 + H2O
(I)I2 + O2 = I2O7 =>
4(I)I2 + 21 O2 = 6 I2O7
As2S5 + H + O = H3AsO4 + H2SO4 =>
As2S5 + 16 H + 28 O = 2 H3AsO4 + 5 H2SO4
Ba(NO3)2 + KH2PO4 = Ba(H2PO4)2 + KNO3 =>
Ba(NO3)2 + 2 KH2PO4 = Ba(H2PO4)2 + 2 KNO3
LiHCO3 = CO2 + H2O + Li2O =>
2 LiHCO3 = 2 CO2 + H2O + Li2O
Ba(NO3)2 + Na2CO3 = BaCO3 + NaNO3 =>
Ba(NO3)2 + Na2CO3 = BaCO3 + 2 NaNO3
PbO2 + H2SO4 = Pb(SO4)2 + H2O =>
PbO2 + 2 H2SO4 = Pb(SO4)2 + 2 H2O
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