| Équations équilibrées la veille |
9 N + H3 = 3 HN3
CH3CCH3 + KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + CH3COOCH3 =>
5 CH3CCH3 + 4 KMnO4 + 6 H2SO4 = 6 H2O + 2 K2SO4 + 4 MnSO4 + 5 CH3COOCH3
Ba(NO3)2 + Na2SO4 = BaSO4 + NaNO3 =>
Ba(NO3)2 + Na2SO4 = BaSO4 + 2 NaNO3
CO2 + SrO = SrCO3 =>
CO2 + SrO = SrCO3
KNO3 + Hg + H2SO4 = NO + Hg2SO4 + K2SO4 + H2O =>
2 KNO3 + 6 Hg + 4 H2SO4 = 2 NO + 3 Hg2SO4 + K2SO4 + 4 H2O
HLi + H2O = LiOH + H =>
HLi + H2O = LiOH + 2 H
SF3 = S + F2 =>
2 SF3 = 2 S + 3 F2
CuOH{2} = CuO + H{2}O =>
CuOH{2} = CuO + H{2}O
PbS2 + PbO2 = Pb + SO2 =>
PbS2 + 2 PbO2 = 3 Pb + 2 SO2
Zn(SO4) + NH3 = Zn(NH3)2 + SO4 =>
Zn(SO4) + 2 NH3 = Zn(NH3)2 + SO4
Cl2 + CaI2 = CaCl2 + I =>
Cl2 + CaI2 = CaCl2 + 2 I
Mg + KOH = KK + H2 + MgO =>
2 Mg + 2 KOH = KK + H2 + 2 MgO
PbHCO3 = PbH + CO3 =>
PbHCO3 = PbH + CO3
C7H13Cl + NaOH = H14ONaClC7 =>
C7H13Cl + NaOH = H14ONaClC7
Mg(NO3)2 + NaH2PO4 = Mg3(PO4)2 + NaNO3 + HNO3 =>
3 Mg(NO3)2 + 2 NaH2PO4 = Mg3(PO4)2 + 2 NaNO3 + 4 HNO3
Na2Cr2O7 + HI = NaI + Cr2O3 + H2O + I2 =>
Na2Cr2O7 + 8 HI = 2 NaI + Cr2O3 + 4 H2O + 3 I2
Zn(CH3COO)2*2H2O + MgSO4 + NaOH = ZnMgO + NaCH3COO + H2SO4 + H2O + O2 =>
2 Zn(CH3COO)2*2H2O + 2 MgSO4 + 4 NaOH = 2 ZnMgO + 4 NaCH3COO + 2 H2SO4 + 4 H2O + O2
PbSO4 + NaOCl + NaOH = PbO2 + Na2SO4 + NaCl + H2O =>
PbSO4 + NaOCl + 2 NaOH = PbO2 + Na2SO4 + NaCl + H2O
K2MnO4 + H2SO4 + KCl = K2SO4 + MnCl2 + Cl2 + H2O =>
K2MnO4 + 4 H2SO4 + 6 KCl = 4 K2SO4 + MnCl2 + 2 Cl2 + 4 H2O
BCl3 + K = KCl + B =>
BCl3 + 3 K = 3 KCl + B
Cr2O3 + KNO3 = CrO4 + KNO2 =>
Cr2O3 + 5 KNO3 = 2 CrO4 + 5 KNO2
K2CO3 = CO2 + K2O =>
K2CO3 = CO2 + K2O
CaCO3 + KNO3 = Ca(NO3) + KCO3 =>
CaCO3 + KNO3 = Ca(NO3) + KCO3
CH3COOH + CH3CH2OH = CH3COOCH3CH2 + H2O =>
CH3COOH + CH3CH2OH = CH3COOCH3CH2 + H2O
BiCl3 + H2O = Bi2O3 + HCl =>
2 BiCl3 + 3 H2O = Bi2O3 + 6 HCl
KNO3 + Na3Co(NO2)6 = K3Co(NO2)6 + NaNO3 =>
3 KNO3 + Na3Co(NO2)6 = K3Co(NO2)6 + 3 NaNO3
C55H104O6 + O2 = CO2 + H2O =>
C55H104O6 + 78 O2 = 55 CO2 + 52 H2O
BICl3 + H2O = BIOCl + HCl =>
BICl3 + H2O = BIOCl + 2 HCl
NH4(NO3) = H2O + N2O =>
NH4(NO3) = 2 H2O + N2O
AgNO3 + Na2SO4 = Ag2SO4 + NaNO3 =>
2 AgNO3 + Na2SO4 = Ag2SO4 + 2 NaNO3
BiCl3 + H2O = Bi(OH)3 + HCl =>
BiCl3 + 3 H2O = Bi(OH)3 + 3 HCl
Na(s) + H2O(l) = NaOH(aq) + H2(g) =>
2 Na(s) + 2 H2O(l) = 2 NaOH(aq) + H2(g)
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
C2H5OH(g) + O2 = CO2(g) + H2O(g) =>
C2H5OH(g) + 3 O2 = 2 CO2(g) + 3 H2O(g)
Re + S = ReS2 =>
Re + 2 S = ReS2
K2O2 + O2 = KO2 =>
K2O2 + O2 = 2 KO2
H2CO3 + Ca(OH)2 = CaCO3 + H2O =>
H2CO3 + Ca(OH)2 = CaCO3 + 2 H2O
Cu(s) + CuSO4(aq) = Cu2SO4 =>
Cu(s) + CuSO4(aq) = Cu2SO4
K3PO3 + Ba(NO3)2 = KNO3 + Ba3(PO3)2 =>
2 K3PO3 + 3 Ba(NO3)2 = 6 KNO3 + Ba3(PO3)2
Al(NO3)3(aq) + K2CO3(aq) = Al2(CO3)3(s) + KNO3(at) =>
2 Al(NO3)3(aq) + 3 K2CO3(aq) = Al2(CO3)3(s) + 6 KNO3(at)
CaBr2 + Ag(NO3) = Ca(NO3)2 + AgBr =>
CaBr2 + 2 Ag(NO3) = Ca(NO3)2 + 2 AgBr
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
AlBr3 + K2SO4 = Al2(SO4)3KBr + KBr =>
2 AlBr3 + 3 K2SO4 = Al2(SO4)3KBr + 5 KBr
CH3Br + C2H5Br + Na = C3H8 + NaBr =>
CH3Br + C2H5Br + 2 Na = C3H8 + 2 NaBr
Cl2 + KI + H2O = KIO3 + HCl =>
3 Cl2 + KI + 3 H2O = KIO3 + 6 HCl
Al + O2 = Al6O6 =>
6 Al + 3 O2 = Al6O6
Hg2Cl2 + NH3 = Hg + HgNH2Cl + NH4Cl =>
Hg2Cl2 + 2 NH3 = Hg + HgNH2Cl + NH4Cl
C6H5OH + H2O + Mn{+4} = CO2 + Mn{+2} + H{+11} =>
C6H5OH + 11 H2O + 154 Mn{+4} = 6 CO2 + 154 Mn{+2} + 28 H{+11}
Cr2O7{-}2 + C2O4{-}2 + H{+} = Cr3{+} + CO2 + H2O =>
3 Cr2O7{-}2 + 37 C2O4{-}2 + 42 H{+} = 2 Cr3{+} + 74 CO2 + 21 H2O
C5H10COOH + O2 = CO2 + H2O =>
4 C5H10COOH + 31 O2 = 24 CO2 + 22 H2O
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