Équations équilibrées la veille |
Sn + CoCl2 = SnCl2Co
HgNO3 = Hg2O + O2 + NO2 =>
4 HgNO3 = 2 Hg2O + O2 + 4 NO2
CrO4{2-} + Cl{-} + H{+} = Cl2 + Cr{3+} + H2O =>
2 CrO4{2-} + 6 Cl{-} + 16 H{+} = 3 Cl2 + 2 Cr{3+} + 8 H2O
K2S + CdCl2 = KCl + CdS =>
K2S + CdCl2 = 2 KCl + CdS
Li(s) + CaCl2(aq) = LiCl(aq) + Ca(s) =>
2 Li(s) + CaCl2(aq) = 2 LiCl(aq) + Ca(s)
HgS = Hg + S =>
HgS = Hg + S
PbO2 = Pb + O =>
PbO2 = Pb + 2 O
CdCl2 + H2S = CdS + HCl =>
CdCl2 + H2S = CdS + 2 HCl
PbCl2 + K2SO4 = KCl + PbSO4 =>
PbCl2 + K2SO4 = 2 KCl + PbSO4
Al + Pb(NO3)2 = Al(NO3)3 + Pb =>
2 Al + 3 Pb(NO3)2 = 2 Al(NO3)3 + 3 Pb
HgS = Hg + S8 =>
8 HgS = 8 Hg + S8
CH3COONa + CaSO4 = (CH3COO)2Ca + Na2SO4 =>
2 CH3COONa + CaSO4 = (CH3COO)2Ca + Na2SO4
Cl2 + MgI2 = ClI + Mg =>
Cl2 + MgI2 = 2 ClI + Mg
PbO2 = Pb + O2 =>
PbO2 = Pb + O2
Rb + H2O = RbOH + H2 =>
2 Rb + 2 H2O = 2 RbOH + H2
Ni(OH)2 + HBr = NiBr + H(OH)2 =>
Ni(OH)2 + HBr = NiBr + H(OH)2
Br2 + NaI(aq) = NaBr(aq) + I2 =>
Br2 + 2 NaI(aq) = 2 NaBr(aq) + I2
CH3COOOC2H5 + O2 = CO2 + H2O =>
2 CH3COOOC2H5 + 9 O2 = 8 CO2 + 8 H2O
C5H10O3 + H2O = CO2 + CH4 =>
C5H10O3 + H2O = 2 CO2 + 3 CH4
CH3CSNH2 + H2O = CH3CO2 + NH4 + H2S =>
CH3CSNH2 + 2 H2O = CH3CO2 + NH4 + H2S
PbO2 = PbO + O =>
PbO2 = PbO + O
Ba(OH)2 + MgI2 = MgBa + I(OH) =>
Ba(OH)2 + MgI2 = MgBa + 2 I(OH)
SO4H2 + NaOH = SO4Na2 + H2O =>
SO4H2 + 2 NaOH = SO4Na2 + 2 H2O
C + O2 = CO2 =>
C + O2 = CO2
CdCl2 + NaOH = Cd(OH)2 + NaCl =>
CdCl2 + 2 NaOH = Cd(OH)2 + 2 NaCl
NaHCO3 + HCl = NaCl + H2O + CO2 =>
NaHCO3 + HCl = NaCl + H2O + CO2
KO2(s) + CO2 = K2CO3 + O2 =>
4 KO2(s) + 2 CO2 = 2 K2CO3 + 3 O2
FeCl3 + SO2 + H2O = FeCl2 + HCl + H2SO4 =>
2 FeCl3 + SO2 + 2 H2O = 2 FeCl2 + 2 HCl + H2SO4
PbO2 = Pb3O4 + O2 =>
3 PbO2 = Pb3O4 + O2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
As2S3 + O2 = As4O6 + SO2 =>
2 As2S3 + 9 O2 = As4O6 + 6 SO2
Mg(NO3)2 + K3PO4 = Mg3(PO4)2 + KNO3 =>
3 Mg(NO3)2 + 2 K3PO4 = Mg3(PO4)2 + 6 KNO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
PtF + Ni = NiF2 + Pt =>
2 PtF + Ni = NiF2 + 2 Pt
F2 + Al2O3 = AlF3 + O2 =>
6 F2 + 2 Al2O3 = 4 AlF3 + 3 O2
C2H4O2 + NaH2CO3 = NaC2H3O2 + H2O + CO2 =>
7 C2H4O2 + 8 NaH2CO3 = 8 NaC2H3O2 + 10 H2O + 6 CO2
Na2B4O7*10H2O + HCl = NaCl + NaHB4O7*10H2O =>
Na2B4O7*10H2O + HCl = NaCl + NaHB4O7*10H2O
HAt + Ni(OH) = At2 + H2O + Ni =>
2 HAt + 2 Ni(OH) = At2 + 2 H2O + 2 Ni
C + FeSO4 + KClO3 + H2O2 = KFeO4 + K2SO3 + HCCl2 + O2 =>
6 C + 4 FeSO4 + 12 KClO3 + 3 H2O2 = 4 KFeO4 + 4 K2SO3 + 6 HCCl2 + 15 O2
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Cu(s) + O2(g) = CuO2(aq) =>
Cu(s) + O2(g) = CuO2(aq)
HI + CaCO3 = CaI2 + H2CO3 =>
2 HI + CaCO3 = CaI2 + H2CO3
Co(s) + HI(aq) = CoI2 + H =>
Co(s) + 2 HI(aq) = CoI2 + 2 H
C3H4O2 + NaOH = (C3H3NaO2)1 + H2O =>
C3H4O2 + NaOH = (C3H3NaO2)1 + H2O
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
Na2SO4 + BaCl2 = Na2Cl2 + Ba(SO4) =>
Na2SO4 + BaCl2 = Na2Cl2 + Ba(SO4)
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Br2(ac) + MgI2(ac) = MgBr2(ac) + I2(ac) =>
Br2(ac) + MgI2(ac) = MgBr2(ac) + I2(ac)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
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