| Équations équilibrées la veille |
SiC + 2 NaOH + 2 O2 = Na2SiO3 + H2O + CO2
H3PO3 + KOH = KH2PO3 + H2O =>
H3PO3 + KOH = KH2PO3 + H2O
KMnO4 + HCl + CH3OH = MnCl2 + HCHO2 + KCl + H2O =>
4 KMnO4 + 12 HCl + 5 CH3OH = 4 MnCl2 + 5 HCHO2 + 4 KCl + 11 H2O
C5H8 + HBr = C5H9Br =>
C5H8 + HBr = C5H9Br
Cr2(SO4)3 + Ba(OH)2 = Cr(OH)3 + Ba(SO4) =>
Cr2(SO4)3 + 3 Ba(OH)2 = 2 Cr(OH)3 + 3 Ba(SO4)
CH3CH2OH + CrO3 + H2SO4 = CH3CO2H + Cr2(SO4)3 + H2O =>
3 CH3CH2OH + 4 CrO3 + 6 H2SO4 = 3 CH3CO2H + 2 Cr2(SO4)3 + 9 H2O
Ba(C2H3O2)2 + FeI3 = Fe(C2H3O2)3 + BaI2 =>
3 Ba(C2H3O2)2 + 2 FeI3 = 2 Fe(C2H3O2)3 + 3 BaI2
Zn + Cu(SO3)2 = Zn(SO3)2 + Cu =>
Zn + Cu(SO3)2 = Zn(SO3)2 + Cu
Fe(s) + Zn(NO3)2(aq) = Fe(NO3)2(aq) + Zn(s) =>
Fe(s) + Zn(NO3)2(aq) = Fe(NO3)2(aq) + Zn(s)
C2H2 + KMnO4 + NaOH = Na2C2O4 + K2MnO4 + H2O + Na2MnO4 =>
C2H2 + 8 KMnO4 + 10 NaOH = Na2C2O4 + 4 K2MnO4 + 6 H2O + 4 Na2MnO4
KMnO4(aq) + H2SO4(aq) = K2SO4(aq) + MnSO4(aq) + H2O(l) + O2(g) =>
4 KMnO4(aq) + 6 H2SO4(aq) = 2 K2SO4(aq) + 4 MnSO4(aq) + 6 H2O(l) + 5 O2(g)
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Pb(OH)2 + Hg2S = PbS + Hg(OH) =>
Pb(OH)2 + Hg2S = PbS + 2 Hg(OH)
MnSO4H2O = Mn + SO4 + H2O =>
MnSO4H2O = Mn + SO4 + H2O
Cu5FeS4 + O2 = Cu2O + FeO + SO2 =>
4 Cu5FeS4 + 23 O2 = 10 Cu2O + 4 FeO + 16 SO2
C6H12O6(s) = CH4(g) + CO2(g) =>
C6H12O6(s) = 3 CH4(g) + 3 CO2(g)
C14H10O2 + NaBH4 = C14H12O2 + NaBH2 =>
C14H10O2 + NaBH4 = C14H12O2 + NaBH2
H2C2O4 + CsOH = Cs2C2O4 + HOH =>
H2C2O4 + 2 CsOH = Cs2C2O4 + 2 HOH
NH4NO3 + (NH4)2SO4 = H2O + N2 + SO2 =>
2 NH4NO3 + (NH4)2SO4 = 8 H2O + 3 N2 + SO2
H3AsO4 + Fe(OH)3 = Fe2(HAsO4)3 + H2O =>
3 H3AsO4 + 2 Fe(OH)3 = Fe2(HAsO4)3 + 6 H2O
CaCO3(s) + HCl(g) = CaCl2(s) + CO2(g) + H2O =>
CaCO3(s) + 2 HCl(g) = CaCl2(s) + CO2(g) + H2O
Si + O = SiO =>
Si + O = SiO
FeI3 + Na3PO4 = FePO4 + NaI =>
FeI3 + Na3PO4 = FePO4 + 3 NaI
HBr + Ba(OH)2 = BaBr2 + H2O =>
2 HBr + Ba(OH)2 = BaBr2 + 2 H2O
NiO + HI = NiI2 + H2O =>
NiO + 2 HI = NiI2 + H2O
Zn(OH)2 + (NH4)2CO3 = ZnCO3 + NH3 + H2O =>
Zn(OH)2 + (NH4)2CO3 = ZnCO3 + 2 NH3 + 2 H2O
K2CrO4 + KBr + H2O = KCrO2 + Br2 + KOH =>
2 K2CrO4 + 6 KBr + 4 H2O = 2 KCrO2 + 3 Br2 + 8 KOH
Br2 + I = IBr3 =>
3 Br2 + 2 I = 2 IBr3
V2O5 + H2SO4 = (VO2)2SO4 + H2O =>
V2O5 + H2SO4 = (VO2)2SO4 + H2O
SiO2 + C2H5OH = SiC8H20O4 + H2O =>
SiO2 + 4 C2H5OH = SiC8H20O4 + 2 H2O
C2H2 + KMnO4 + NaOH = Na2C2O4 + K2MnO4 + H2O + Na2MnO4 =>
C2H2 + 8 KMnO4 + 10 NaOH = Na2C2O4 + 4 K2MnO4 + 6 H2O + 4 Na2MnO4
HClO + AgNO3 = HNO3 + AgCl + AgClO3 =>
3 HClO + 3 AgNO3 = 3 HNO3 + 2 AgCl + AgClO3
Br + H2SO4 = HBr + SO4 =>
2 Br + H2SO4 = 2 HBr + SO4
C8H16 + Br2 = C8H16Br2 =>
C8H16 + Br2 = C8H16Br2
K2Cr2O7 + H2SO4 + HCl = K2SO4 + Cr2(SO4)3 + Cl2 + H2O =>
K2Cr2O7 + 4 H2SO4 + 6 HCl = K2SO4 + Cr2(SO4)3 + 3 Cl2 + 7 H2O
CO3{2-} + H2O = H2CO3 + OH{-} =>
CO3{2-} + 2 H2O = H2CO3 + 2 OH{-}
C2H5OH + H2O2 = CH3COOH + H2O =>
C2H5OH + 2 H2O2 = CH3COOH + 3 H2O
C4H10O4 + H2SO4 + NH4NO3 = C4H6N4O12 + (NH4)2SO4 + H2O =>
C4H10O4 + 2 H2SO4 + 4 NH4NO3 = C4H6N4O12 + 2(NH4)2SO4 + 4 H2O
Al(s) + (b)HCl(aq) = (c)AlCl3(aq) + (d)H2(g) =>
2 Al(s) + 6(b)HCl(aq) = 2(c)AlCl3(aq) + 3(d)H2(g)
LiC6 = C + Li =>
LiC6 = 6 C + Li
C2(g) + O2(g) = CO2(g) =>
C2(g) + 2 O2(g) = 2 CO2(g)
Fe + SnCl4 = FeCl3 + Sn =>
4 Fe + 3 SnCl4 = 4 FeCl3 + 3 Sn
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
CH3CH2OH + Cu(OH)2 = CH3CH2COH + Cu + H2O =>
3 CH3CH2OH + 2 Cu(OH)2 = 2 CH3CH2COH + 2 Cu + 5 H2O
AgCN + K = KCN + Ag =>
AgCN + K = KCN + Ag
FeSO4 + HBr = FeBr2 + H2SO4 =>
FeSO4 + 2 HBr = FeBr2 + H2SO4
HBr + Ba(OH)2 = BaBr2 + H2O =>
2 HBr + Ba(OH)2 = BaBr2 + 2 H2O
H5IO6 + I2 = IO3 + H3O =>
9 H5IO6 + 2 I2 = 13 IO3 + 15 H3O
Au + H2O2 + HCl = H[AuCl4] + H2O =>
2 Au + 3 H2O2 + 8 HCl = 2 H[AuCl4] + 6 H2O
Na2CrO4 + NaOH = NaCrO2 + Na2O2 + H2O =>
2 Na2CrO4 + 4 NaOH = 2 NaCrO2 + 3 Na2O2 + 2 H2O
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