Équations équilibrées la veille |
CaH + HSO = CaS + H2O
LiNO3 + CaBr2 = Ca(NO3)2 + LiBr =>
2 LiNO3 + CaBr2 = Ca(NO3)2 + 2 LiBr
Pb + K4[Fe(CN)6] = Pb4[Fe(CN)6] + K =>
4 Pb + K4[Fe(CN)6] = Pb4[Fe(CN)6] + 4 K
CaCO3(s) + HCl(aq) = H2CO3(s) + CaCl2(s) =>
CaCO3(s) + 2 HCl(aq) = H2CO3(s) + CaCl2(s)
Y(NO3)3 + C4H6N2O = Y2O3 + CO2 + H2O + N2 =>
4 Y(NO3)3 + 3 C4H6N2O = 2 Y2O3 + 12 CO2 + 9 H2O + 9 N2
Ca(NO3)2 + Na(OH) = Ca(OH)2 + Na(NO3) =>
Ca(NO3)2 + 2 Na(OH) = Ca(OH)2 + 2 Na(NO3)
Na2PbO3 + HCl = PbCl2 + Cl2 + NaCl + H2O =>
Na2PbO3 + 6 HCl = PbCl2 + Cl2 + 2 NaCl + 3 H2O
MnO2 + KClO3 + K2CO3 = KMnO4 + KCl + CO2 =>
2 MnO2 + KClO3 + K2CO3 = 2 KMnO4 + KCl + CO2
CsOH + H2SO4 = Cs2 + SO4 + H2OH =>
2 CsOH + 2 H2SO4 = Cs2 + 2 SO4 + 2 H2OH
Ca3(PO4)2 + CO = CO2 + CaO + P4 =>
2 Ca3(PO4)2 + 10 CO = 10 CO2 + 6 CaO + P4
As + H2SO4 = HAsO2 + SO2 + H2 =>
2 As + 2 H2SO4 = 2 HAsO2 + 2 SO2 + H2
Al{3}O{2} + Fe = Fe{3}O{4} + Al =>
Al{3}O{2} + Fe = Fe{3}O{4} + Al
S2O3{-2} + ClO{-} + OH{-} = SO4{-2} + Cl{-} + H2O =>
S2O3{-2} + 4 ClO{-} + 2 OH{-} = 2 SO4{-2} + 4 Cl{-} + H2O
Al + Ca(OH)2 + H2O = Al(OH)4 + HCa =>
3 Al + 4 Ca(OH)2 + 4 H2O = 3 Al(OH)4 + 4 HCa
Se(g) + O2(g) = Se2O5(g) =>
4 Se(g) + 5 O2(g) = 2 Se2O5(g)
Ca(NO3)2 + Na(OH) = Ca(OH)2 + Na(NO3) =>
Ca(NO3)2 + 2 Na(OH) = Ca(OH)2 + 2 Na(NO3)
CH3CH2OH + KMnO4 + H2SO4 = CH3CO2H + MnSO4 + H2O + K2SO4 =>
5 CH3CH2OH + 4 KMnO4 + 6 H2SO4 = 5 CH3CO2H + 4 MnSO4 + 11 H2O + 2 K2SO4
KCN + CH3Cl = C2H3N + KCl =>
KCN + CH3Cl = C2H3N + KCl
NH42Cr2O7 + O2 = Cr2O3 + N2 + H2O =>
2 NH42Cr2O7 + 17 O2 = 2 Cr2O3 + N2 + 42 H2O
HBr + Sr(NO3)2 = HNO3 + SrBr2 =>
2 HBr + Sr(NO3)2 = 2 HNO3 + SrBr2
NH4HCO3 + H2O = NH4CO3 + H3O =>
NH4HCO3 + H2O = NH4CO3 + H3O
CH3CH2OH + NH3 = CH3CH2O + NH4 =>
CH3CH2OH + NH3 = CH3CH2O + NH4
K2SO3 + FeCl3 = Fe2(SO3)3 + KCl =>
3 K2SO3 + 2 FeCl3 = Fe2(SO3)3 + 6 KCl
C12H38O2 + O2 = CO2 + H2O =>
2 C12H38O2 + 41 O2 = 24 CO2 + 38 H2O
NiO + C = Ni + CO =>
NiO + C = Ni + CO
Ag(NO3) + (NH4)2S = AgS + NO3(NH4)2 =>
Ag(NO3) + (NH4)2S = AgS + NO3(NH4)2
CaS + Hg(NO3)2 = Ca(NO3)2 + SHg =>
CaS + Hg(NO3)2 = Ca(NO3)2 + SHg
Ni(NO3)2 + CaCl2 = Ca(NO3)2(s) + NiCl2(aq) =>
Ni(NO3)2 + CaCl2 = Ca(NO3)2(s) + NiCl2(aq)
MnOMn2O7 + Fe(HCO3)2 + H2O = MnO2 + Fe(OH)3 + CO2 =>
MnOMn2O7 + 4 Fe(HCO3)2 + 2 H2O = 3 MnO2 + 4 Fe(OH)3 + 8 CO2
Ca(OH)2 + NaHCO3 = CaCO3 + H2O + Na2CO3 =>
Ca(OH)2 + 2 NaHCO3 = CaCO3 + 2 H2O + Na2CO3
Na2N = Na + N =>
Na2N = 2 Na + N
K2S + CuCl2 = CuS + KCl =>
K2S + CuCl2 = CuS + 2 KCl
AgNO3(ac) + KI(ac) = AgI + KNO3 =>
AgNO3(ac) + KI(ac) = AgI + KNO3
Cr(CH3CO2)3 + Na2CO3 = NaCH3CO2 + Cr2(CO3)3 =>
2 Cr(CH3CO2)3 + 3 Na2CO3 = 6 NaCH3CO2 + Cr2(CO3)3
As2S3 + HNO3 + H2O = H2SO4 + H3As04 + NO =>
2 As2S3 + 11 HNO3 + 2 H2O = 6 H2SO4 + H3As04 + 11 NO
Cr2O3 + HNO3 = Cr(OH)3 + O2 + N2 =>
2 Cr2O3 + 12 HNO3 = 4 Cr(OH)3 + 15 O2 + 6 N2
(CH3)2SO2 + CH3CH2OH + NaOH = NaHSO4 + CH3CH2CH3O + H =>
(CH3)2SO2 + 5 CH3CH2OH + NaOH = NaHSO4 + 4 CH3CH2CH3O + 4 H
MnC2O4 + H2SO4 = SO2 + Mn(SO4)2 + CO2 + H2O =>
MnC2O4 + 4 H2SO4 = 2 SO2 + Mn(SO4)2 + 2 CO2 + 4 H2O
CO2 + H2O = C10H16O + O2 =>
20 CO2 + 16 H2O = 2 C10H16O + 27 O2
CH3OH + MnO4{-} + H{+} = CH2O + Mn{2+} + H2O =>
5 CH3OH + 2 MnO4{-} + 6 H{+} = 5 CH2O + 2 Mn{2+} + 8 H2O
CH3CH2CH2OH + O2 = CO2 + H2O =>
2 CH3CH2CH2OH + 9 O2 = 6 CO2 + 8 H2O
Ni2(CO3)3(s) = Ni + (CO3)3 =>
Ni2(CO3)3(s) = 2 Ni + (CO3)3
N3H + O = N2 + H2O =>
2 N3H + O = 3 N2 + H2O
C6H5NH2 + (CH3CO)2O = C8H9NO + aceticacid =>
C6H5NH2 + (CH3CO)2O = C8H9NO + C2H4O2
Li(s) + H2O = LiOH(s) + H2(g) =>
2 Li(s) + 2 H2O = 2 LiOH(s) + H2(g)
CuSO4*5H2O + NaClO3 + NaOH = NaCuO4 + NaCl + H2O + Na2SO4 =>
6 CuSO4*5H2O + 5 NaClO3 + 18 NaOH = 6 NaCuO4 + 5 NaCl + 39 H2O + 6 Na2SO4
H2S + HBrO3 = S + Br2 + H2O =>
5 H2S + 2 HBrO3 = 5 S + Br2 + 6 H2O
KIO3 + N2H5Cl + NaOH = KI + NaCl + N2 + H2O =>
2 KIO3 + 3 N2H5Cl + 3 NaOH = 2 KI + 3 NaCl + 3 N2 + 9 H2O
NaCl + Zn(OH)2 = ZnCl2 + NaOH =>
2 NaCl + Zn(OH)2 = ZnCl2 + 2 NaOH
Ba(HCO3)2 = Ba(CO3) + CO2 + H2O =>
Ba(HCO3)2 = Ba(CO3) + CO2 + H2O
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