| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 C5H5N + 25 O = 10 CO2 + 5 H2O + N2
NaClAg = AgClNa =>
NaClAg = AgClNa
N2H4(aq) + OH(aq) = N2(g) + H2O(l) =>
N2H4(aq) + 4 OH(aq) = N2(g) + 4 H2O(l)
AlCl3 + K3[Al(OH)6] = Al(OH)3 + KCl =>
AlCl3 + K3[Al(OH)6] = 2 Al(OH)3 + 3 KCl
S3 = S =>
S3 = 3 S
NaHCO3 + CO2 = NaHC2O5 =>
NaHCO3 + CO2 = NaHC2O5
Si + H2O = Si(OH) + H =>
Si + H2O = Si(OH) + H
RhCl3 + CH3OH = Rh + HCHO + HCl =>
2 RhCl3 + 3 CH3OH = 2 Rh + 3 HCHO + 6 HCl
Al + KOH + H2C2O4 = K3[Al(C2O4)3] + H2O + H2 =>
2 Al + 6 KOH + 6 H2C2O4 = 2 K3[Al(C2O4)3] + 6 H2O + 3 H2
Zn + KNO3 + KOH = NH3 + K2ZnO2 + H2O =>
4 Zn + KNO3 + 7 KOH = NH3 + 4 K2ZnO2 + 2 H2O
PbS + HNO3 = PbNO32 + H2SO4 + NO2 + H2O =>
PbS + 66 HNO3 = PbNO32 + H2SO4 + 65 NO2 + 32 H2O
C6H5CH(CH3)2 + K2Cr2O7 + H2SO4 = C6H5COOH + Cr2(SO4)3 + K2SO4 + H2O =>
7 C6H5CH(CH3)2 + 11 K2Cr2O7 + 44 H2SO4 = 9 C6H5COOH + 11 Cr2(SO4)3 + 11 K2SO4 + 59 H2O
C7H6O2 + O2 = CCO2 + H2O =>
2 C7H6O2 + 8 O2 = 7 CCO2 + 6 H2O
K2Cr2O7 + H2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 3 H2S + 13 H2SO4 = 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
Br2(l) + BaI2(s) = BaBr2(s) + I2(g) =>
Br2(l) + BaI2(s) = BaBr2(s) + I2(g)
C5H12 + Cl = C + HCl =>
C5H12 + 12 Cl = 5 C + 12 HCl
HIZn = ZnIH =>
HIZn = ZnIH
H2O + Cu = CuO + H2 =>
H2O + Cu = CuO + H2
Co(NO3)2*6H2O + Na2S*9H2O = NaNO3 + CoS + H2O =>
Co(NO3)2*6H2O + Na2S*9H2O = 2 NaNO3 + CoS + 15 H2O
NaOH + C2H2KO4 = Na + C2KO4 + H2O =>
2 NaOH + C2H2KO4 = 2 Na + C2KO4 + 2 H2O
Li2CO3 + HClO3 = LiH + CO3(ClO3)2 =>
Li2CO3 + 2 HClO3 = 2 LiH + CO3(ClO3)2
SO42{-} + Zn + H{+} = S2{-} + Zn2{+} + H2O =>
2 SO42{-} + 334 Zn + 168 H{+} = S2{-} + 167 Zn2{+} + 84 H2O
Cr(s) + S8(s) = Cr2S3(s) = grams =>
16 Cr(s) + 3 S8(s) = 8 Cr2S3(s)
CH3COOCH2CH3NaOH = CH3COOHCH3CH2ONa =>
CH3COOCH2CH3NaOH = CH3COOHCH3CH2ONa
K2SO4 + NaOH = KOH + Na2SO4 =>
K2SO4 + 2 NaOH = 2 KOH + Na2SO4
NiI2 + KCO3 = NiCO3 + KI2 =>
NiI2 + KCO3 = NiCO3 + KI2
P8 + O2 = P2O5 =>
P8 + 10 O2 = 4 P2O5
Li + HCl = LiCl2 + H2 =>
Li + 2 HCl = LiCl2 + H2
CUSO4 + Fe = CU + FeSO4 =>
CUSO4 + Fe = CU + FeSO4
FeSO4*7H2O + H2SO4 + H2O2 = Fe2(SO4)3 + H2O =>
2 FeSO4*7H2O + H2SO4 + H2O2 = Fe2(SO4)3 + 16 H2O
Fe(NO3)3*9H2O + CH4N2O = FeO + CO2 + H2O + N2 =>
6 Fe(NO3)3*9H2O + 16 CH4N2O = 6 FeO + 16 CO2 + 86 H2O + 25 N2
FeSO4 + Ca(OH)2 = Fe(OH)2 + CaSO4 =>
FeSO4 + Ca(OH)2 = Fe(OH)2 + CaSO4
SO2 + Zn = ZnSO2 =>
SO2 + Zn = ZnSO2
Cr{2+} + H2MoO4 + H{+} = Cr{3+} + Mo + H2O =>
6 Cr{2+} + H2MoO4 + 6 H{+} = 6 Cr{3+} + Mo + 4 H2O
Na2CO3(s) + H2SO4(aq) = Na2SO4(aq) + H2O(g) + CO2(g) =>
Na2CO3(s) + H2SO4(aq) = Na2SO4(aq) + H2O(g) + CO2(g)
C6H6 + CH3CHCH2 = C6H5CHCH3CH3 =>
C6H6 + CH3CHCH2 = C6H5CHCH3CH3
IO3 + HSO3 = I + HSO4 =>
IO3 + 3 HSO3 = I + 3 HSO4
CuO8 + HCl + Al = Cu + AlCl3 + H2O =>
3 CuO8 + 48 HCl + 16 Al = 3 Cu + 16 AlCl3 + 24 H2O
KOH + Al(NO3)3 = Al(OH)3 + KNO3 =>
3 KOH + Al(NO3)3 = Al(OH)3 + 3 KNO3
AlOH3HNO3 = AlNO3H(OH3) =>
AlOH3HNO3 = AlNO3H(OH3)
MgO + Al = AlO + Mg =>
MgO + Al = AlO + Mg
F2 + (NH4)2S = S8 + NH4F =>
8 F2 + 8(NH4)2S = S8 + 16 NH4F
HI + Br2 = BrI + H2 =>
2 HI + Br2 = 2 BrI + H2
KNO3 + C12H22O11 = CO2 + H2O + K2CO3 + N2 =>
48 KNO3 + 5 C12H22O11 = 36 CO2 + 55 H2O + 24 K2CO3 + 24 N2
KF + Fe(NO3)2 = FeF2 + KNO3 =>
2 KF + Fe(NO3)2 = FeF2 + 2 KNO3
CrCl3 + K(OH) + KClO3 = KCl + K2CrO4 + H2O =>
2 CrCl3 + 10 K(OH) + KClO3 = 7 KCl + 2 K2CrO4 + 5 H2O
C7H8O + CrO3 + H2SO4 = C7H6O2 + Cr2(SO4)3 + H2O =>
3 C7H8O + 4 CrO3 + 6 H2SO4 = 3 C7H6O2 + 2 Cr2(SO4)3 + 9 H2O
HNO3Mg(OH)2 = MgNO3H(OH)2 =>
HNO3Mg(OH)2 = MgNO3H(OH)2
K + H2CO3 = K2CO3 + H2 =>
2 K + H2CO3 = K2CO3 + H2
K3PO4(ag)MgCl2(ag) = K3Cl2MgPO4 =>
K3PO4(ag)MgCl2(ag) = K3Cl2MgPO4
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