Équations équilibrées la veille |
Li(OH) + H2CO3 = LiHCO3 + H2O
K4Fe(SCN)6 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + CO2 + H2O + K2SO4 + KNO3 =>
6 K4Fe(SCN)6 + 97 K2Cr2O7 + 355 H2SO4 = 3 Fe2(SO4)3 + 97 Cr2(SO4)3 + 36 CO2 + 355 H2O + 91 K2SO4 + 36 KNO3
HgS + HCl + NNO3 = H2HgCl4 + NO + S + H2O =>
HgS + 4 HCl + NNO3 = H2HgCl4 + 2 NO + S + H2O
NiC4H6O4 + NaOH = Ni(OH)2 + NaC2H3O2 =>
NiC4H6O4 + 2 NaOH = Ni(OH)2 + 2 NaC2H3O2
NO2CH2COOH = CO2 + CH3NO2 =>
NO2CH2COOH = CO2 + CH3NO2
SrS + CuNO32 = SrNO32 + CuS =>
SrS + CuNO32 = SrNO32 + CuS
Fe2(s) + HCl(aq) = FeCl(aq) + H2(g) =>
Fe2(s) + 2 HCl(aq) = 2 FeCl(aq) + H2(g)
Ca(C2H3O2)2 + FeI3 = Fe(C2H3O2)2 + CaI3 =>
Ca(C2H3O2)2 + FeI3 = Fe(C2H3O2)2 + CaI3
HBr + NaHCO3 = NaBr + H2O + CO2(g) =>
HBr + NaHCO3 = NaBr + H2O + CO2(g)
Na2SO3 + Cl = NaCl + SO3 =>
Na2SO3 + 2 Cl = 2 NaCl + SO3
HBr + MgO = H2O + Br2Mg =>
2 HBr + MgO = H2O + Br2Mg
Ba(NO3)2 = Ba + N2 + O2 =>
Ba(NO3)2 = Ba + N2 + 3 O2
C2H4 + K2Cr2O7 + H2SO4 = CH3CO2H + Cr2(SO4)3 + K2SO4 + H2O =>
3 C2H4 + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3CO2H + 2 Cr2(SO4)3 + 2 K2SO4 + 8 H2O
Fe(NO3)2 + H2SO4 = Fe(NO3)3 + Fe2(SO4)3 + NO + H2O =>
9 Fe(NO3)2 + 6 H2SO4 = 5 Fe(NO3)3 + 2 Fe2(SO4)3 + 3 NO + 6 H2O
ZnCrO4 + FeCo3 = ZnCo3 + FeCrO4 =>
ZnCrO4 + FeCo3 = ZnCo3 + FeCrO4
NH3 + HNO2 = NNO2 + H2O =>
NH3 + 5 HNO2 = 3 NNO2 + 4 H2O
Ba(NO3)2*6H2O = BaO + H2O + NO2 + O2 =>
2 Ba(NO3)2*6H2O = 2 BaO + 12 H2O + 4 NO2 + O2
C4H10 + HI = C4H9I + H2 =>
C4H10 + HI = C4H9I + H2
H2O + FeS = H2S + FeO =>
H2O + FeS = H2S + FeO
Fe + HClO3 = H + Fe(ClO3)3 =>
Fe + 3 HClO3 = 3 H + Fe(ClO3)3
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Ca(OH)2 + CO2 = CaCO2 + H2O + O =>
Ca(OH)2 + CO2 = CaCO2 + H2O + O
CO2 + H2O = C19H38 + O2 =>
38 CO2 + 38 H2O = 2 C19H38 + 57 O2
Pb[NO3]2 + Al = Pb + Al[NO3]3 =>
3 Pb[NO3]2 + 2 Al = 3 Pb + 2 Al[NO3]3
Cr2O3 + KOH + O2 = KCr2O4 + H2O =>
4 Cr2O3 + 4 KOH + O2 = 4 KCr2O4 + 2 H2O
MgCl2 + KHCO3 = MgCO3 + KCl + HCl =>
MgCl2 + KHCO3 = MgCO3 + KCl + HCl
Fe2(SO4)3 + NH3 = Fe2(NH3) + SO4 =>
Fe2(SO4)3 + NH3 = Fe2(NH3) + 3 SO4
CrCl3 + NH3 = CrNH3 + Cl2 =>
2 CrCl3 + 2 NH3 = 2 CrNH3 + 3 Cl2
CaCl2 + Zn = Ca2Zn02 + Cl2 =>
2 CaCl2 + 2 Zn = Ca2Zn02 + 2 Cl2
NaOH + Ai2O3 = NaAiO2 + H2O =>
2 NaOH + Ai2O3 = 2 NaAiO2 + H2O
MgCO3 + Al2O3 = MgAl2O4 + CO2 =>
MgCO3 + Al2O3 = MgAl2O4 + CO2
Na2SO4 + AgNO3 = NaNO3 + Ag2(SO4) =>
Na2SO4 + 2 AgNO3 = 2 NaNO3 + Ag2(SO4)
Na2O + SO2 = Na2SO3 =>
Na2O + SO2 = Na2SO3
C6H12OH + K2Cr2O7 + H2SO4 = C6H10O4 + K2SO4 + Cr2(SO4)3 + H2O =>
2 C6H12OH + 3 K2Cr2O7 + 12 H2SO4 = 2 C6H10O4 + 3 K2SO4 + 3 Cr2(SO4)3 + 15 H2O
Zn(OH)2 + H2SO4 = Zn(OH)2SO4 + H2 =>
Zn(OH)2 + H2SO4 = Zn(OH)2SO4 + H2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
K2O + PbO = K2PbO2 =>
K2O + PbO = K2PbO2
NaHCO3 = Na2O1 + CO2 + H2O =>
2 NaHCO3 = Na2O1 + 2 CO2 + H2O
H3X + KOH = K2HX + H2O =>
H3X + 2 KOH = K2HX + 2 H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
Fe + CO = Fe(CO)3 =>
Fe + 3 CO = Fe(CO)3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
HNO3(aq) + H2S(g) = NO(g) + H2O(g) + S(s) =>
2 HNO3(aq) + 3 H2S(g) = 2 NO(g) + 4 H2O(g) + 3 S(s)
Zn3(PO4)2 + HCl = ZnCl2 + H3PO4 =>
Zn3(PO4)2 + 6 HCl = 3 ZnCl2 + 2 H3PO4
Mg + Cr2O3 = (MgO)(Cr2O3) + Cr =>
3 Mg + 4 Cr2O3 = 3(MgO)(Cr2O3) + 2 Cr
CuS + CH3COOH = Cu(CH3COO)2 + H2S =>
CuS + 2 CH3COOH = Cu(CH3COO)2 + H2S
NO3{-} + Ca + H{+} = NO2 + Ca2{+} + H2O =>
NO3{-} + 2 Ca + 2 H{+} = NO2 + Ca2{+} + H2O
CoBr2(s) = Co(s) + Br2(g) =>
CoBr2(s) = Co(s) + Br2(g)
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