Équations équilibrées la veille |
H3PO3 + KOH = KH2PO3 + H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cr2O3 + H2O2 + KOH = K2CrO4 + H2O =>
Cr2O3 + 3 H2O2 + 4 KOH = 2 K2CrO4 + 5 H2O
Br2 + NaIO = BrIO + Na =>
Br2 + 2 NaIO = 2 BrIO + 2 Na
C26H5 + O2 = CO2 + H2O =>
4 C26H5 + 109 O2 = 104 CO2 + 10 H2O
Co(NO3)2 + NaHCO3 = CoCO3 + NaNO3 + H2O + CO2 =>
Co(NO3)2 + 2 NaHCO3 = CoCO3 + 2 NaNO3 + H2O + CO2
Ba(OH)2 + P4O10 = Ba3(PO4)2 + H2O =>
6 Ba(OH)2 + P4O10 = 2 Ba3(PO4)2 + 6 H2O
C6H5CH2CH2CH2CH3 + K2Cr2O7 + H2SO4 = C6H5COOK + Cr2(SO4)3 + K2SO4 + H2O =>
7 C6H5CH2CH2CH2CH3 + 13 K2Cr2O7 + 47 H2SO4 = 10 C6H5COOK + 13 Cr2(SO4)3 + 8 K2SO4 + 71 H2O
C + H2 = CH4 =>
C + 2 H2 = CH4
MnO4{-} + H{+} + H2O2 = Mn{2+} + H2O + O2 =>
2 MnO4{-} + 6 H{+} + 5 H2O2 = 2 Mn{2+} + 8 H2O + 5 O2
BaOH + H = Ba + HOH =>
BaOH + H = Ba + HOH
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
C18H37OH + O2 = CO2 + H2O =>
C18H37OH + 27 O2 = 18 CO2 + 19 H2O
NH3 + HCl = NH4Cl = =>
NH3 + HCl = NH4Cl
HClO3 + NaOH = NaClO3 + HOH =>
HClO3 + NaOH = NaClO3 + HOH
Ca + Ba(OH)2 = Ca(OH)2 + Ba =>
Ca + Ba(OH)2 = Ca(OH)2 + Ba
VO3 + H2 = VO2 + H2O =>
VO3 + H2 = VO2 + H2O
CaBr2 + Na2S = CaS + NaBr =>
CaBr2 + Na2S = CaS + 2 NaBr
Cu + HgSO4 = CuSO4 + Hg =>
Cu + HgSO4 = CuSO4 + Hg
AlO3H3 + HBr = AlBr3 + H2O =>
AlO3H3 + 3 HBr = AlBr3 + 3 H2O
B + O2 = B2O3 =>
4 B + 3 O2 = 2 B2O3
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
KCl(aq) + Pb(CH3COO)2(aq) = CH3COOK(aq) + PbCl2(s) =>
2 KCl(aq) + Pb(CH3COO)2(aq) = 2 CH3COOK(aq) + PbCl2(s)
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C1H23 + O2 = CO2 + H2O =>
4 C1H23 + 27 O2 = 4 CO2 + 46 H2O
C3H7NO + O2 = CO2 + N2O3 + H2O =>
2 C3H7NO + 10 O2 = 6 CO2 + N2O3 + 7 H2O
Ag{+} + Cl{-} = AgCl =>
Ag{+} + Cl{-} = AgCl
KCrO2 + PbO2 + KOH + H2O = K2(Pb(OH)4) + K2CrO4 =>
2 KCrO2 + 3 PbO2 + 8 KOH + 2 H2O = 3 K2(Pb(OH)4) + 2 K2CrO4
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
Co + CuSO4 = Co2(SO4)2 + Cu =>
2 Co + 2 CuSO4 = Co2(SO4)2 + 2 Cu
K2CO3 + MnSO4 = K2SO4 + MnCO3 =>
K2CO3 + MnSO4 = K2SO4 + MnCO3
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu =>
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu
HgCO3 = Hg + CO + O2 =>
HgCO3 = Hg + CO + O2
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
Sn(OH)2 + OH = Sn(OH)6 =>
Sn(OH)2 + 4 OH = Sn(OH)6
Ca + (PO4) + H2SO4 = CaH4(PO4)2 + CaSO4 =>
3 Ca + 2(PO4) + 2 H2SO4 = CaH4(PO4)2 + 2 CaSO4
Na + O = Na2O =>
2 Na + O = Na2O
H6CN2 + N2O4 = CO2 + N2 + H2O =>
4 H6CN2 + 5 N2O4 = 4 CO2 + 9 N2 + 12 H2O
C7H7Br + C7H8O2 + NaOH = C14H14O2 + NaBr + H2O =>
C7H7Br + C7H8O2 + NaOH = C14H14O2 + NaBr + H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H{+} + FeS + HNO3 = SO{2-} + NO + Fe{3+} + H2O =>
H{+} + FeS + HNO3 = SO{2-} + NO + Fe{3+} + H2O
As2O3 + KMnO4 + HCl + H2O + KCl = MnCl2 + KH2AsO4 =>
5 As2O3 + 4 KMnO4 + 2 HCl + 9 H2O + 6 KCl = 4 MnCl2 + 10 KH2AsO4
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
S + HNO3 = H2SO4 + NO = H2O =>
S + 2 HNO3 = H2SO4 + 2 NO
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Br2 + P4 = PBr3 =>
6 Br2 + P4 = 4 PBr3
PBr2 + Cl2 = PCl3 + Br2 =>
2 PBr2 + 3 Cl2 = 2 PCl3 + 2 Br2
NH = NH*3 =>
NH = NH*3
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