Équations équilibrées la veille |
Na3[Ag(S2O3)2] + 4 KCN = Na[Ag(CN)2] + 2 K2S2O3 + 2 NaCN
Na + C4 = NaC =>
4 Na + C4 = 4 NaC
NaCl(i) = Na(i) + Cl2(g) =>
2 NaCl(i) = 2 Na(i) + Cl2(g)
HCl + Ca(HCO3)2 + Ca(HSO4)2 = CaCl + H2O + CO2 + SO4 =>
4 HCl + 3 Ca(HCO3)2 + Ca(HSO4)2 = 4 CaCl + 6 H2O + 6 CO2 + 2 SO4
Cr2(SO4)3 + HNO3 = Cr(NO3)3 + H2SO4 =>
Cr2(SO4)3 + 6 HNO3 = 2 Cr(NO3)3 + 3 H2SO4
K2O + HNO3 = KOH + N2O5 =>
K2O + 2 HNO3 = 2 KOH + N2O5
Ga2O + H2O = Ga(OH) =>
Ga2O + H2O = 2 Ga(OH)
NaHO + H3PO4 = Na2HPO4 + H2O =>
2 NaHO + H3PO4 = Na2HPO4 + 2 H2O
NaBr(aq) + LiCl(aq) = NaCl(aq) + LiBr(aq) =>
NaBr(aq) + LiCl(aq) = NaCl(aq) + LiBr(aq)
NH4Cl + Ba(C2H3O2)2 = NH4C2H3O2 + BaCl2 =>
2 NH4Cl + Ba(C2H3O2)2 = 2 NH4C2H3O2 + BaCl2
Sb2S3(s) + H2(g) = Sb(s) + H2S(g) =>
Sb2S3(s) + 3 H2(g) = 2 Sb(s) + 3 H2S(g)
CH3COOH + NaOH = NaCH3COO + H2O =>
CH3COOH + NaOH = NaCH3COO + H2O
Ba + LiNO3 = Ba(NO3)2 + Li =>
Ba + 2 LiNO3 = Ba(NO3)2 + 2 Li
Na2S2O8 + Al = Na2SO4 + Al2O3 + Al2S3 =>
3 Na2S2O8 + 10 Al = 3 Na2SO4 + 4 Al2O3 + Al2S3
LiOH + CH3CH2COOH = H2O + CH3CH2COOLi =>
LiOH + CH3CH2COOH = H2O + CH3CH2COOLi
H2SO4 + SiO3 = H2SiO3 + SO4 =>
H2SO4 + SiO3 = H2SiO3 + SO4
Se + Cl2 + H2O = H2SeO3 + HCl =>
Se + 2 Cl2 + 3 H2O = H2SeO3 + 4 HCl
C4H8O(l) + O2 = CO2 + H2O =>
2 C4H8O(l) + 11 O2 = 8 CO2 + 8 H2O
KI + Ag(NO3)3 = K(NO3) + AgI3 =>
3 KI + Ag(NO3)3 = 3 K(NO3) + AgI3
Cl2 + CoI3 = CoCl2 + I2 =>
2 Cl2 + 2 CoI3 = 2 CoCl2 + 3 I2
CH4S + CO = C3H6OS + H2S =>
2 CH4S + CO = C3H6OS + H2S
Fe(s) + H2SO4(ac) = FeSO4 + H2 =>
Fe(s) + H2SO4(ac) = FeSO4 + H2
Na2CrO4 + Pb(C2H3O2)2 = NaC2H3O2 + PbCrO4 =>
Na2CrO4 + Pb(C2H3O2)2 = 2 NaC2H3O2 + PbCrO4
CaCO3 + NaC2O4 = CaC2O4 + NaCO3 =>
CaCO3 + NaC2O4 = CaC2O4 + NaCO3
Cu + HNO3(ac) = Cu(NO3)2(ac) + NO2(g) + H2O =>
Cu + 4 HNO3(ac) = Cu(NO3)2(ac) + 2 NO2(g) + 2 H2O
Sn(OH)2 + H2O2 = Sn(OH)4 =>
Sn(OH)2 + H2O2 = Sn(OH)4
Sb2S5 + H2SO4 = Sb2(SO4)3 + S + H2S =>
Sb2S5 + 3 H2SO4 = Sb2(SO4)3 + 2 S + 3 H2S
C7H4N3O6 + O2 = CO2 + H2O + N2 =>
2 C7H4N3O6 + 10 O2 = 14 CO2 + 4 H2O + 3 N2
Ca3N2 + H2O = Ca(OH)2 + NH3 =>
Ca3N2 + 6 H2O = 3 Ca(OH)2 + 2 NH3
H2SO4 + C4H6O4Pb = PbSO4 + CH3COOH =>
H2SO4 + C4H6O4Pb = PbSO4 + 2 CH3COOH
Fe(NO3)2 = Fe2O3 + NO2 + O2 =>
4 Fe(NO3)2 = 2 Fe2O3 + 8 NO2 + O2
O3NO = O2 + NO2 =>
O3NO = O2 + NO2
Fe(OH)2 + CaCl2 = FeCl2 + Ca(OH)2 =>
Fe(OH)2 + CaCl2 = FeCl2 + Ca(OH)2
NaOH + Na2SO4 = NaSO4 + Na2OH =>
NaOH + Na2SO4 = NaSO4 + Na2OH
Li2SO4 + Ba(NO3)2 = LiNO3 + BaSO4 =>
Li2SO4 + Ba(NO3)2 = 2 LiNO3 + BaSO4
NaOH + CO2 + BaCl2 = BaCO3 + NaCl + H2O =>
2 NaOH + CO2 + BaCl2 = BaCO3 + 2 NaCl + H2O
Ba3(PO4)2 + KS = Ba3S6 + K6(PO4)2 =>
Ba3(PO4)2 + 6 KS = Ba3S6 + K6(PO4)2
Cs2O(aq) + H2O(l) = CsOH =>
Cs2O(aq) + H2O(l) = 2 CsOH
S8 + CI2 = SCI2 =>
S8 + 8 CI2 = 8 SCI2
H2SO4 + PCl5 = HSO3Cl + POCl3 + HCl =>
H2SO4 + PCl5 = HSO3Cl + POCl3 + HCl
MgS + KI = MgI2 + K2S =>
MgS + 2 KI = MgI2 + K2S
CaO + H{+} = Ca{2+} + H2O =>
CaO + 2 H{+} = Ca{2+} + H2O
NaCH3COO + HBr = NaBr + CH3COOH =>
NaCH3COO + HBr = NaBr + CH3COOH
Mg(NO3)2 = MgO + N2O + O2 =>
Mg(NO3)2 = MgO + N2O + 2 O2
CuSO4(aq) + Na2CO3(aq) + H2O = Cu(OH)2 + CO2 + Na2SO4 =>
CuSO4(aq) + Na2CO3(aq) + H2O = Cu(OH)2 + CO2 + Na2SO4
AgNO3 + F = NO3 + AgF =>
AgNO3 + F = NO3 + AgF
Ba(OH)2(aq) + NaCl(aq) = BaCl2(aq) + NaOH(aq) =>
Ba(OH)2(aq) + 2 NaCl(aq) = BaCl2(aq) + 2 NaOH(aq)
Ca(NO3)2 + NaNO2 = Ca(NO2)2 + NaNO3 =>
Ca(NO3)2 + 2 NaNO2 = Ca(NO2)2 + 2 NaNO3
C3H8O + KMnO4 + H2SO4 = C3O2H6 + Mn2(SO4)3 + K2SO4 + H2O =>
2 C3H8O + 2 KMnO4 + 4 H2SO4 = 2 C3O2H6 + Mn2(SO4)3 + K2SO4 + 6 H2O
KOH + HCl(aq) = H2O(l) + KCl(aq) =>
KOH + HCl(aq) = H2O(l) + KCl(aq)
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