Équations équilibrées la veille |
CH4 + 2 O2 = CO2 + 2 H2O
Sr(OH)2 + HCl = HOH + SrCl2 =>
Sr(OH)2 + 2 HCl = 2 HOH + SrCl2
Ni(NO3)2 + Fe(NO3)2 = NiFe(NO3)4 =>
Ni(NO3)2 + Fe(NO3)2 = NiFe(NO3)4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
As2O3 + H2SO4 + KMnO4 + H2O = H3AsO4 + K2SO4 + MnSO4 =>
5 As2O3 + 6 H2SO4 + 4 KMnO4 + 9 H2O = 10 H3AsO4 + 2 K2SO4 + 4 MnSO4
Pb(NO3)2(aq) + K2Cr2O7(aq) = PbCr2O7(s) + KNO3(aq) =>
Pb(NO3)2(aq) + K2Cr2O7(aq) = PbCr2O7(s) + 2 KNO3(aq)
Al2Zn + H2SO4 = ZnSO4 + AlSO4 + H2 =>
Al2Zn + 3 H2SO4 = ZnSO4 + 2 AlSO4 + 3 H2
HBr + Li2SO3 = LiBr + SO2 + H2O =>
2 HBr + Li2SO3 = 2 LiBr + SO2 + H2O
BH4{-} + BF3O(C2H5)2 = B3H8{-} + H2 + O(C2H5)2 + BF4{-} =>
5 BH4{-} + 4 BF3O(C2H5)2 = 2 B3H8{-} + 2 H2 + 4 O(C2H5)2 + 3 BF4{-}
Cl2(g) + MgI2(aq) = MgCl2 + I2 =>
Cl2(g) + MgI2(aq) = MgCl2 + I2
KCN + H2SO4 = K2SO4 + HCN =>
2 KCN + H2SO4 = K2SO4 + 2 HCN
NaCl + Ag2NO3 = Ag2Cl + NaNO3 =>
NaCl + Ag2NO3 = Ag2Cl + NaNO3
C4H6 + O2 = C + H2O =>
2 C4H6 + 3 O2 = 8 C + 6 H2O
Mg(NO3)2 + NH3 + H2O = Mg(OH)2 + NH4NO3 =>
Mg(NO3)2 + 2 NH3 + 2 H2O = Mg(OH)2 + 2 NH4NO3
AgNO3 + PbI2 = AgI + Pb(NO3)2 =>
2 AgNO3 + PbI2 = 2 AgI + Pb(NO3)2
C2H5OH + CrO7 = C2H5O + Cr + H2O =>
14 C2H5OH + CrO7 = 14 C2H5O + Cr + 7 H2O
C2H5COOH + C2H5OH = C2H5C2H5COO + H2O =>
C2H5COOH + C2H5OH = C2H5C2H5COO + H2O
AI + N2 = AIN =>
2 AI + N2 = 2 AIN
SNO2 + C = SN + CO =>
SNO2 + 2 C = SN + 2 CO
K2O2 + H2O + CO2 = KHCO3 + O2 =>
2 K2O2 + 2 H2O + 4 CO2 = 4 KHCO3 + O2
H2O = H + O =>
H2O = 2 H + O
(NH2)2CO + HNO3 = (NH2)2CO*HNO3 =>
(NH2)2CO + HNO3 = (NH2)2CO*HNO3
Sc(OH)3 + FeCl3 = ScCl3 + Fe(OH)3 =>
Sc(OH)3 + FeCl3 = ScCl3 + Fe(OH)3
PbO2 + HCl = PbCl2 + Cl2 + H2O =>
PbO2 + 4 HCl = PbCl2 + Cl2 + 2 H2O
C4H11NO2 + O2 = HNO3 + CO2 + H2O =>
C4H11NO2 + 7 O2 = HNO3 + 4 CO2 + 5 H2O
Fe + CrCl2 = FeCl2 + Cr =>
Fe + CrCl2 = FeCl2 + Cr
NaOCl + NaCrO2 = NaCrO4 + NaCl =>
2 NaOCl + NaCrO2 = NaCrO4 + 2 NaCl
MnO4 + C6H10 = C6H10O4 + MnO2 =>
2 MnO4 + C6H10 = C6H10O4 + 2 MnO2
NaNO3 + PbCl2 = NaCl2 + PbNO3 =>
NaNO3 + PbCl2 = NaCl2 + PbNO3
C2H5COOH + C2H5OH = C2H5C2H5COO + H2O =>
C2H5COOH + C2H5OH = C2H5C2H5COO + H2O
KMnO4 + HBr = Br2 + MnO2 + KOH + H2O =>
2 KMnO4 + 6 HBr = 3 Br2 + 2 MnO2 + 2 KOH + 2 H2O
C5H15(OH)3 + O2 = C + H2O =>
C5H15(OH)3 + 3 O2 = 5 C + 9 H2O
H2S + K2Cr2O7 + H2SO4 = Cr2(SO4)2 + K2SO4 + H2O =>
H2S + K2Cr2O7 + 2 H2SO4 = Cr2(SO4)2 + K2SO4 + 3 H2O
C6H5COONaNaOH = C6H6Na2CO3 =>
C6H5COONaNaOH = C6H6Na2CO3
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
COCl2 + C4H8Cl2S = C5H8Cl4SO =>
COCl2 + C4H8Cl2S = C5H8Cl4SO
Fe + HNO3(conc) = Fe(NO3)3 + H2O + NO =>
Fe + 4 HNO3(conc) = Fe(NO3)3 + 2 H2O + NO
Cl2O5 + CO = Cl + CO2 =>
Cl2O5 + 5 CO = 2 Cl + 5 CO2
Au(NO3)3 + K2(SO4) = Au(SO4) + K2(NO3)3 =>
Au(NO3)3 + K2(SO4) = Au(SO4) + K2(NO3)3
NaNO2 + Br2 + NaOH = NaNO3 + HBr + NaBr =>
NaNO2 + Br2 + NaOH = NaNO3 + HBr + NaBr
CaSO4 + HCl = HSO4 + CaCl =>
CaSO4 + HCl = HSO4 + CaCl
Fe(OH)2 + BaO = Ba(OH)2 + FeO =>
Fe(OH)2 + BaO = Ba(OH)2 + FeO
Cu(NO3)2 + NaOH = (Cu(OH)2) + NaNO3 =>
Cu(NO3)2 + 2 NaOH = (Cu(OH)2) + 2 NaNO3
CaS5 + SO2 = CaS2O3 + S =>
2 CaS5 + 3 SO2 = 2 CaS2O3 + 9 S
S + Ca(OH)2 = CaS + H2O + SO3 =>
4 S + 3 Ca(OH)2 = 3 CaS + 3 H2O + SO3
C2H3O2 + H2O = CH4 + CO2 =>
8 C2H3O2 + 2 H2O = 7 CH4 + 9 CO2
CuCl + SO2 + HCl = H2O + CuCl2 + S =>
4 CuCl + SO2 + 4 HCl = 2 H2O + 4 CuCl2 + S
Cu2S + HNO3 = Cu(NO3)2 + S + NO + H2O =>
3 Cu2S + 16 HNO3 = 6 Cu(NO3)2 + 3 S + 4 NO + 8 H2O
MnSO4 + H2S = Mn + H2SO4 + S =>
MnSO4 + H2S = Mn + H2SO4 + S
KOH + NO = KNO2 + N2 + H2O =>
4 KOH + 6 NO = 4 KNO2 + N2 + 2 H2O
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