Équations équilibrées la veille |
SnCl2 + H = Sn + HCl2
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
NiS + K2SO4 = K2S + NiSO4 =>
NiS + K2SO4 = K2S + NiSO4
C22H18 + O2 = CO2 + H2O =>
2 C22H18 + 53 O2 = 44 CO2 + 18 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Al2S3 + K2S = Al2S + KS3 =>
5 Al2S3 + 2 K2S = 5 Al2S + 4 KS3
Pb(SCN)2 + KI = PbI2 + KSCN =>
Pb(SCN)2 + 2 KI = PbI2 + 2 KSCN
Ag + H2SO4 = Ag2SO4 + SO2 + H2O =>
2 Ag + 2 H2SO4 = Ag2SO4 + SO2 + 2 H2O
SO3{-2} + Co(OH)2 = Co + SO4{-2} + H2O =>
SO3{-2} + Co(OH)2 = Co + SO4{-2} + H2O
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
CH(subscript)4 + O(subscript)2 = CO(subscript)2 + H(superscript)2O =>
CH(subscript)4 + 2 O(subscript)2 = CO(subscript)2 + 2 H(superscript)2O
Al2S3 + LiOH = Li2S + Al(OH)3 =>
Al2S3 + 6 LiOH = 3 Li2S + 2 Al(OH)3
Mg(s) + Cr(No3)2(aq) = Mg(No3)2(aq) + Cr(s) =>
Mg(s) + Cr(No3)2(aq) = Mg(No3)2(aq) + Cr(s)
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
NaCl + AgF3 = AgCl3 + NaF =>
3 NaCl + AgF3 = AgCl3 + 3 NaF
LiF + PH3 = Li3P + HF =>
3 LiF + PH3 = Li3P + 3 HF
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
Al + AgNO2 = Ag + Al(NO2)3 =>
Al + 3 AgNO2 = 3 Ag + Al(NO2)3
B + NiO = B2O3 + Ni =>
2 B + 3 NiO = B2O3 + 3 Ni
Zn + HNO3(maidil) = Zn(NO3)2 + N2 + H2O =>
5 Zn + 12 HNO3(maidil) = 5 Zn(NO3)2 + N2 + 6 H2O
KNO2 + NH3 = N2 + H2O + K =>
6 KNO2 + 8 NH3 = 7 N2 + 12 H2O + 6 K
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
Co(H2O)6Cl2 + HCl = H2CoCl4 + H2O =>
Co(H2O)6Cl2 + 2 HCl = H2CoCl4 + 6 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Hg + KBr = HgBr2 + K =>
Hg + 2 KBr = HgBr2 + 2 K
MnO4{-} + C3H8O2 = MnO2 + OH{-} + H2O + C3H2O4{2-} =>
8 MnO4{-} + 3 C3H8O2 = 8 MnO2 + 2 OH{-} + 8 H2O + 3 C3H2O4{2-}
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
NaHSO4 + H2O + AlCl3 = Al(OH)3 + H2SO4 + NaCl =>
3 NaHSO4 + 3 H2O + AlCl3 = Al(OH)3 + 3 H2SO4 + 3 NaCl
CuO + KOH = Cu(OH)2 + K2O =>
CuO + 2 KOH = Cu(OH)2 + K2O
Pb(NO3)2 = Pb + NO2 + O2 =>
Pb(NO3)2 = Pb + 2 NO2 + O2
Cu + HNO3(aq) = Cu(NO3)2 + NO2(g) + H2O =>
Cu + 4 HNO3(aq) = Cu(NO3)2 + 2 NO2(g) + 2 H2O
Na2CO3 + AgNO3 = NaNO3 + Ag2CO3 =>
Na2CO3 + 2 AgNO3 = 2 NaNO3 + Ag2CO3
HgS + PbO = Pb + Hg + SO2 =>
HgS + 2 PbO = 2 Pb + Hg + SO2
NaOCN + H2O = NaHCO3 + NH3 =>
NaOCN + 2 H2O = NaHCO3 + NH3
Cu(s) + Pb(CH3COOH)(aq) = Cu(CH3COOH)(aq) + Pb(s) =>
Cu(s) + Pb(CH3COOH)(aq) = Cu(CH3COOH)(aq) + Pb(s)
Cl{-} + NO3{-} = ClO3{-} + NO2{-} =>
Cl{-} + 3 NO3{-} = ClO3{-} + 3 NO2{-}
CaCl2 = Ca + Cl2 =>
CaCl2 = Ca + Cl2
CuSO4 + K2S = CuS + K2SO4 =>
CuSO4 + K2S = CuS + K2SO4
CaC2 + Cu + H2O = Ca(OH)2 + Cu(OH)2 + C2H5OH =>
CaC2 + Cu + 5 H2O = Ca(OH)2 + Cu(OH)2 + C2H5OH
Mg(s) + O2(g) = MgO(g) =>
2 Mg(s) + O2(g) = 2 MgO(g)
C3H7Br + NH3 = C3H7NH2 + HBr =>
C3H7Br + NH3 = C3H7NH2 + HBr
Br2 + K2S = BrK + S =>
Br2 + K2S = 2 BrK + S
Ba(OH)2 + CaO = BaO + Ca(OH)2 =>
Ba(OH)2 + CaO = BaO + Ca(OH)2
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
La100(N100O300)3*6H200O100 + Sr100(N100O300)2 + Zn100(N100O300)2*6H200O100 + Mn100(N100O300)2*2H200O100 + C400H600O600 = La70Sr30Zn75Mn25O300 + N100O200 + H200O100 + C100O200 =>
70 La100(N100O300)3*6H200O100 + 30 Sr100(N100O300)2 + 75 Zn100(N100O300)2*6H200O100 + 25 Mn100(N100O300)2*2H200O100 + 34 C400H600O600 = 100 La70Sr30Zn75Mn25O300 + 470 N100O200 + 1022 H200O100 + 136 C100O200
HCl + LiCl = Cl2 + LiH =>
HCl + LiCl = Cl2 + LiH
C5H22 + O2 = CO2 + H2O =>
2 C5H22 + 21 O2 = 10 CO2 + 22 H2O
MgBr2 + Hg2(NO3)2 = Mg(NO3)2 + Hg2Br2 =>
MgBr2 + Hg2(NO3)2 = Mg(NO3)2 + Hg2Br2
C6H5CH2CH3 + Br2 = C6H5CHBrCH3 + HBr =>
C6H5CH2CH3 + Br2 = C6H5CHBrCH3 + HBr
K2CrO4 + K2SO3 + H2O = KCrO2 + K2SO4 + KOH =>
2 K2CrO4 + 3 K2SO3 + H2O = 2 KCrO2 + 3 K2SO4 + 2 KOH
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