| Équations équilibrées la veille |
21 C6H5COOH + 22 NaHCO3 = 22 C6H5COONa + 19 H2O + 15 CO3
NOCl3 = NO + Cl2 =>
2 NOCl3 = 2 NO + 3 Cl2
KH2PO4 + Zn + H2SO4 = PH3 + ZnSO4 + H2O + K2SO4 =>
2 KH2PO4 + 8 Zn + 9 H2SO4 = 2 PH3 + 8 ZnSO4 + 8 H2O + K2SO4
CO + (O2) = CO2 =>
2 CO + (O2) = 2 CO2
Na1 + H1 = NaH =>
Na1 + H1 = NaH
HCl + CoCl2 = CoCl4{2-} + H{+} =>
2 HCl + CoCl2 = CoCl4{2-} + 2 H{+}
Fe2O3 + HNo3 = Fe(No3)3 + H2O =>
Fe2O3 + 6 HNo3 = 2 Fe(No3)3 + 3 H2O
K2S + H2O = KOH + H2S =>
K2S + 2 H2O = 2 KOH + H2S
K2CrO4 + ZnNO2 = KNO2 + Zn2CrO4 =>
K2CrO4 + 2 ZnNO2 = 2 KNO2 + Zn2CrO4
AlCl3 + H2O = Al(OH)3(s) + HCl(aq) =>
AlCl3 + 3 H2O = Al(OH)3(s) + 3 HCl(aq)
CH3{-}CH2{-}OH = CH3{-}CHO =>
CH3{-}CH2{-}OH = CH3{-}CHO
Ca(NO3)2 + Na2SO4 = CaSO4 + NaNO3 =>
Ca(NO3)2 + Na2SO4 = CaSO4 + 2 NaNO3
H{+} + Mg = H + Mg{2+} =>
2 H{+} + Mg = 2 H + Mg{2+}
Ag3NO3 + Ni = Ni(NO3)2 + Ag =>
2 Ag3NO3 + Ni = Ni(NO3)2 + 6 Ag
FeCl2 + H2SO4 + KMnO4 = Fe2(SO4)3 + Cl2 + MnSO4 + K2SO4 + H2O =>
10 FeCl2 + 24 H2SO4 + 6 KMnO4 = 5 Fe2(SO4)3 + 10 Cl2 + 6 MnSO4 + 3 K2SO4 + 24 H2O
OBO + Mg = OMg + BO =>
OBO + Mg = OMg + BO
KCN + H2O = K{+} + HCN + HO{-} =>
KCN + H2O = K{+} + HCN + HO{-}
Al3 + C4 = Al4C3 =>
16 Al3 + 9 C4 = 12 Al4C3
Ag(No3) + NaBr = AgBr + Na(No3) =>
Ag(No3) + NaBr = AgBr + Na(No3)
S + Ca(OH)2 = CaSO4 + CaS + H2O =>
4 S + 4 Ca(OH)2 = CaSO4 + 3 CaS + 4 H2O
NH3 + O26 = N2 + H2O =>
52 NH3 + 3 O26 = 26 N2 + 78 H2O
CuO + C19H40 = CO2 + H2O + Cu =>
58 CuO + C19H40 = 19 CO2 + 20 H2O + 58 Cu
Na2SO4 + Pb(NO3)2 = Na4(NO3)2 + Pb(SO4)2 =>
2 Na2SO4 + Pb(NO3)2 = Na4(NO3)2 + Pb(SO4)2
H2SO4 + Ca(OH)2 = HOH + Ca2(SO4)2 =>
2 H2SO4 + 2 Ca(OH)2 = 4 HOH + Ca2(SO4)2
NH4SO42 + KOH = KSO42 + NH3 + H2O =>
NH4SO42 + KOH = KSO42 + NH3 + H2O
K2Cr2O7 + FeSO4 + H2SO4 = KHSO4 + Cr2(SO4)3 + Fe2(SO4)3 + H2O =>
K2Cr2O7 + 6 FeSO4 + 8 H2SO4 = 2 KHSO4 + Cr2(SO4)3 + 3 Fe2(SO4)3 + 7 H2O
SO2 + H2O = SO42 + H =>
SO2 + 40 H2O = SO42 + 80 H
Pb(OH)4 + H2CO3 = Pb(CO3)2 + H2O =>
Pb(OH)4 + 2 H2CO3 = Pb(CO3)2 + 4 H2O
H3PO3 + HBrO3 + Co(OH)3 = CoHPO3BrO3 + H2O =>
H3PO3 + HBrO3 + Co(OH)3 = CoHPO3BrO3 + 3 H2O
C3H6O2 + O2 = H2O + CO2 =>
2 C3H6O2 + 7 O2 = 6 H2O + 6 CO2
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
Na2CO3 + PbCl4 = Pb(CO3)2 + NaCl =>
2 Na2CO3 + PbCl4 = Pb(CO3)2 + 4 NaCl
P4O9 + NaOH = Na2HPO4 + Na2HPO3 + H2O =>
P4O9 + 8 NaOH = 3 Na2HPO4 + Na2HPO3 + 2 H2O
H4PO4 + O2 = P2O5 + H2O =>
4 H4PO4 + O2 = 2 P2O5 + 8 H2O
KNO3 + C6H12O6 = K2CO3 + CO2 + H2O + N2 =>
24 KNO3 + 5 C6H12O6 = 12 K2CO3 + 18 CO2 + 30 H2O + 12 N2
Nb2CF2 = Nb2C + NbF5 + C =>
5 Nb2CF2 = 4 Nb2C + 2 NbF5 + C
Ca(NO3)2(aq) + NaOH = Ca(OH)2(s) + NaNO3(aq) =>
Ca(NO3)2(aq) + 2 NaOH = Ca(OH)2(s) + 2 NaNO3(aq)
VO{2+} + H{+} + Zn = V2{+} + Zn{2+} + H2O =>
4 VO{2+} + 8 H{+} + 7 Zn = 2 V2{+} + 7 Zn{2+} + 4 H2O
FeCl3 + KSCN = Fe(SCN)3 + KCl =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 KCl
BaCl2(aq) + H3PO4(aq) = Ba3(PO4)2(s) + HCl(aq) =>
3 BaCl2(aq) + 2 H3PO4(aq) = Ba3(PO4)2(s) + 6 HCl(aq)
K2CrO7 + KI + H2SO4 = K2SO4 + Cr2(SO4)3 + I2 + H2O =>
2 K2CrO7 + 18 KI + 14 H2SO4 = 11 K2SO4 + Cr2(SO4)3 + 9 I2 + 14 H2O
CS2(aq) + O2(g) = CO2(g) + SO2(g) =>
CS2(aq) + 3 O2(g) = CO2(g) + 2 SO2(g)
Ag2CO3 + HCl = AgCl + H2CO3 =>
Ag2CO3 + 2 HCl = 2 AgCl + H2CO3
MgCl2 + K3Po4 = Mg3 + Po4 + KCl =>
3 MgCl2 + 2 K3Po4 = Mg3 + 2 Po4 + 6 KCl
NaSO3 + H2SO3 = NaSO4 + SO2 + H2 =>
NaSO3 + H2SO3 = NaSO4 + SO2 + H2
C3H7NH2(l) + O2(g) = CO2(g) + H2O(g) + N2(g) =>
4 C3H7NH2(l) + 21 O2(g) = 12 CO2(g) + 18 H2O(g) + 2 N2(g)
Na2TeO4 + Na2SO3 + H2SO4 = TeO2 + Na2SO4 + H2O =>
Na2TeO4 + Na2SO3 + H2SO4 = TeO2 + 2 Na2SO4 + H2O
Ca + Sn(Cl)4 = Ca(Cl)4 + Sn =>
Ca + Sn(Cl)4 = Ca(Cl)4 + Sn
KMnO4 + H2S + HCl = KCl + MnCl3 + S + H2O =>
KMnO4 + 2 H2S + 4 HCl = KCl + MnCl3 + 2 S + 4 H2O
HClO4 + KBr + H2SO4 = KCl + Br2 + K2SO4 + H2O =>
2 HClO4 + 16 KBr + 7 H2SO4 = 2 KCl + 8 Br2 + 7 K2SO4 + 8 H2O
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