| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 C2H4(OH)2 + K2Cr2O7 + 4 H2SO4 = C6H4O2 + Cr2(SO4)3 + K2SO4 + 11 H2O
S{+} + HCO3{-} = S{2-} + CO2 + H2O + SO4{2-} =>
8 S{+} + 24 HCO3{-} = 5 S{2-} + 24 CO2 + 12 H2O + 3 SO4{2-}
Cl2 + Na2SO3 + H2O = NaCl + H2SO4 =>
Cl2 + Na2SO3 + H2O = 2 NaCl + H2SO4
C12H22O11 + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)2 + K2SO4 + H2O =>
C12H22O11 + 6 K2Cr2O7 + 18 H2SO4 = 12 CO2 + 6 Cr2(SO4)2 + 6 K2SO4 + 29 H2O
C4H8 + KMnO4 + H2O = C3H6O + MnO2 + KOH =>
9 C4H8 + 8 KMnO4 + 4 H2O = 12 C3H6O + 8 MnO2 + 8 KOH
Sb + HNO3 = Sb2O5 + H2O + NO =>
6 Sb + 10 HNO3 = 3 Sb2O5 + 5 H2O + 10 NO
H3NO3S + NaNO3 + HCl = N2 + H2SO4 + NaCl + H2O2 =>
H3NO3S + NaNO3 + HCl = N2 + H2SO4 + NaCl + H2O2
H2O + SeCl2 = Se + H2SeO3 + HCl =>
3 H2O + 2 SeCl2 = Se + H2SeO3 + 4 HCl
Al(s) + HI(aq) = AlI(aq) + H =>
Al(s) + HI(aq) = AlI(aq) + H
MoO3 + ZnH2SO4 = ZnSO4 + H2O + Mo2O3 =>
2 MoO3 + 3 ZnH2SO4 = 3 ZnSO4 + 3 H2O + Mo2O3
PbCl2 + KI = PbI2 + ClK =>
PbCl2 + 2 KI = PbI2 + 2 ClK
Co2(No3)2 + NaOH = Co2(OH)2 + NaNo3 =>
Co2(No3)2 + 2 NaOH = Co2(OH)2 + 2 NaNo3
AgNO3(aq) + Fe(s) = Fe(NO3)2 + Ag =>
2 AgNO3(aq) + Fe(s) = Fe(NO3)2 + 2 Ag
C5H8O5 + C3H6O = C8H12O5 + H2O =>
C5H8O5 + C3H6O = C8H12O5 + H2O
CH{+4} + Br{+2} = CBr{+4} + H{2} =>
CH{+4} + Br{+2} = CBr{+4} + H{2}
Al(No3)3 + KCl = AlCl3 + KNo3 =>
Al(No3)3 + 3 KCl = AlCl3 + 3 KNo3
HC2H3O2 + K2CO3 = CO2 + H2O + K2C2H3O2 =>
9 HC2H3O2 + 8 K2CO3 = 10 CO2 + 6 H2O + 8 K2C2H3O2
Fe + KNO3 = FeO + KNO2 =>
Fe + KNO3 = FeO + KNO2
C6N6FeK3 + Cr2O3 + KOH = C6FeK4N6 + K2CrO4 + H2O =>
6 C6N6FeK3 + Cr2O3 + 10 KOH = 6 C6FeK4N6 + 2 K2CrO4 + 5 H2O
Cr2O3 + Na2CO3 + KNO3 = NaCrO4 + CO2 + KNO2 =>
Cr2O3 + Na2CO3 + 4 KNO3 = 2 NaCrO4 + CO2 + 4 KNO2
(H3C)3COH + HCl = C4H9Cl + H2O =>
(H3C)3COH + HCl = C4H9Cl + H2O
C2H6O = C2H4O + H2 =>
C2H6O = C2H4O + H2
Fe + HCl = FeCl3 + *H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3*H2
KMnO4 = K2O + MnO + O2 =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
CO(NH2)2 + HNO3 + H2O = NH3NO3 + CO2 =>
7 CO(NH2)2 + 18 HNO3 + H2O = 16 NH3NO3 + 7 CO2
PCl2 + H2O = H3PO4 + H2 + Cl2 =>
2 PCl2 + 8 H2O = 2 H3PO4 + 5 H2 + 2 Cl2
HOOCCOOH + NaOH = Na2OOCCOO + H2O =>
HOOCCOOH + 2 NaOH = Na2OOCCOO + 2 H2O
Au(NO3)3 + H2O = Au2O3 + HNO3 =>
2 Au(NO3)3 + 3 H2O = Au2O3 + 6 HNO3
Zn(s) + Pb(NO3)2(aq) = Zn(NO3)2(aq) + Pb(s) =>
Zn(s) + Pb(NO3)2(aq) = Zn(NO3)2(aq) + Pb(s)
W + HNO3 = WO3 + NO + H2O =>
W + 2 HNO3 = WO3 + 2 NO + H2O
C5H12O + CH3COOH + H2SO4 = H2O + CH4C7H6O3SO4 =>
2 C5H12O + 35 CH3COOH + 10 H2SO4 = 42 H2O + 10 CH4C7H6O3SO4
W + HNO3 = WO3 + NO + H2O =>
W + 2 HNO3 = WO3 + 2 NO + H2O
B2O3 + Li2CO3 + Bi2O3 + Sr1O1 = Li18B9Bi18SrCO3 + O2 + CO2 =>
18 B2O3 + 36 Li2CO3 + 36 Bi2O3 + 4 Sr1O1 = 4 Li18B9Bi18SrCO3 + 99 O2 + 32 CO2
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
CH2O2 + NaHCO3 = CO2 + HCOONa + H2O =>
CH2O2 + NaHCO3 = CO2 + HCOONa + H2O
Ca + O2 = CaO(s) =>
2 Ca + O2 = 2 CaO(s)
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
FeC2O4*2H2O + H2O2 + K2C2O4 = [Fe(C2O4)3]{-3} + K{+} + OH{-} + H2O =>
2 FeC2O4*2H2O + H2O2 + 4 K2C2O4 = 2[Fe(C2O4)3]{-3} + 8 K{+} + 2 OH{-} + 4 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Ba + H2S = BaS + H2 =>
Ba + H2S = BaS + H2
Na2PbO2 + HNO3 = Pb(NO3)2 + NaOH =>
Na2PbO2 + 2 HNO3 = Pb(NO3)2 + 2 NaOH
Ca + HCl(aq) = CaCl + H =>
Ca + HCl(aq) = CaCl + H
HNO2(aq) = H{+} + NO3{-} + NO(g) + H2O =>
3 HNO2(aq) = H{+} + NO3{-} + 2 NO(g) + H2O
NH3 + H2(SO4) = (NH4)2(SO4) =>
2 NH3 + H2(SO4) = (NH4)2(SO4)
CH193 + O2 = CO2 + H2O =>
4 CH193 + 197 O2 = 4 CO2 + 386 H2O
PH3 + Cl2 = PCl3 + HCl =>
PH3 + 3 Cl2 = PCl3 + 3 HCl
NaOHKSO4 = KOHNaSO4 =>
NaOHKSO4 = KOHNaSO4
P2O5 + Al = AlO + P =>
P2O5 + 5 Al = 5 AlO + 2 P
HNO3 + Hg = NO + H2O + Hg(NO3)2 =>
8 HNO3 + 3 Hg = 2 NO + 4 H2O + 3 Hg(NO3)2
C3H8O(l) + O2(g) = CO2(g) + H2O(l) =>
2 C3H8O(l) + 9 O2(g) = 6 CO2(g) + 8 H2O(l)
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Équations équilibrées sur12/23/24
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