| Équations équilibrées la veille |
Ca + Cl + 8 H2O = CaCl(H2O)8
HSO3{-} + ClO{-} = SO4{-2} + Cl{-} + H{+} =>
HSO3{-} + ClO{-} = SO4{-2} + Cl{-} + H{+}
Zn + CH3COOH = Zn(CH3COO)2 + H2 =>
Zn + 2 CH3COOH = Zn(CH3COO)2 + H2
SnCl2 + H2O2 + HCl = SnCl4 + H2O =>
SnCl2 + H2O2 + 2 HCl = SnCl4 + 2 H2O
C2H6(g) + O2(g) = CO + H2O =>
2 C2H6(g) + 5 O2(g) = 4 CO + 6 H2O
Ag2S + HCl = AgCl + H2S =>
Ag2S + 2 HCl = 2 AgCl + H2S
K2Cr2O7 + CH3CH2OH + H2SO4 = Cr2O3 + CH3COOH + K2SO4 + H2O =>
2 K2Cr2O7 + 3 CH3CH2OH + 2 H2SO4 = 2 Cr2O3 + 3 CH3COOH + 2 K2SO4 + 5 H2O
CCl3COOH + H2O = H3O{+} + CCl3COO{-} =>
CCl3COOH + H2O = H3O{+} + CCl3COO{-}
C6H4(COOH)COOKNaOH = H2OC6H4COONaCOOK =>
C6H4(COOH)COOKNaOH = H2OC6H4COONaCOOK
K2Cr2O7 + FeSO4 + HNO3 = Cr2(SO4)3 + Fe(SO4)3 + K2SO4 + Fe(NO3)3 + H2O =>
3 K2Cr2O7 + 15 FeSO4 + 42 HNO3 = 3 Cr2(SO4)3 + Fe(SO4)3 + 3 K2SO4 + 14 Fe(NO3)3 + 21 H2O
CH2 + NH2 = HCN + H2 =>
2 CH2 + 2 NH2 = 2 HCN + 3 H2
O2 + N2 = NO =>
O2 + N2 = 2 NO
BaCl2*2H2O(aq) + Na2SO4(aq) = BaSO4(s) + NaCl(aq) + H2O =>
BaCl2*2H2O(aq) + Na2SO4(aq) = BaSO4(s) + 2 NaCl(aq) + 2 H2O
K2Zn3[Fe(CN)6]2 + NaOH = Na2ZnO2 + KOH + Na4[Fe(CN)6] + H2O =>
K2Zn3[Fe(CN)6]2 + 14 NaOH = 3 Na2ZnO2 + 2 KOH + 2 Na4[Fe(CN)6] + 6 H2O
C4H10 + Br = HBr + C4H8 =>
C4H10 + 2 Br = 2 HBr + C4H8
CC6H1 + O2 = CO2 + H2O =>
4 CC6H1 + 29 O2 = 28 CO2 + 2 H2O
C6H4COOH + OH = C6H4COO + H2O =>
C6H4COOH + OH = C6H4COO + H2O
Ni(NO3)2(aq) + Na2S(aq) = NiS(s) + NaNO3(aq) =>
Ni(NO3)2(aq) + Na2S(aq) = NiS(s) + 2 NaNO3(aq)
NaClO3 + CH3OH + H2SO4 = ClO2 + Na2SO4 + CO2 + H2O =>
6 NaClO3 + CH3OH + 3 H2SO4 = 6 ClO2 + 3 Na2SO4 + CO2 + 5 H2O
Mg(s) + Ca(NO3)2(aq) = Mg(NO3)2(aq) + Ca(aq) =>
Mg(s) + Ca(NO3)2(aq) = Mg(NO3)2(aq) + Ca(aq)
WO3 + CH4N2O = W + CO2 + H2O + N2 =>
WO3 + CH4N2O = W + CO2 + 2 H2O + N2
WCl6 + C2H5OH = C2H4O + W + HCl =>
WCl6 + 3 C2H5OH = 3 C2H4O + W + 6 HCl
H2O + SO2 + Na2O = NaHSO3 =>
H2O + 2 SO2 + Na2O = 2 NaHSO3
Zn(NO3)2 + NH4Cl = ZnCl2 + NH4NO3 =>
Zn(NO3)2 + 2 NH4Cl = ZnCl2 + 2 NH4NO3
NH3 + AgNO3 + H2O = Ag(NH3) + HNO3 =>
9 NH3 + 8 AgNO3 + 3 H2O = 8 Ag(NH3) + 9 HNO3
NaHSO3 + OHCl + NaHCO3 = NaCl + NaSO4 + CO2 + H2O =>
2 NaHSO3 + 3 OHCl + 3 NaHCO3 = 3 NaCl + 2 NaSO4 + 3 CO2 + 4 H2O
Zn(s) + Cr2(SO4)3(aq) = Cr(s) + Zn(SO4)(aq) =>
3 Zn(s) + Cr2(SO4)3(aq) = 2 Cr(s) + 3 Zn(SO4)(aq)
Mg2O2 + HCl = MgCl2 + H2O =>
Mg2O2 + 4 HCl = 2 MgCl2 + 2 H2O
K2CrO4 + KI + H2SO4 = I2 + Cr2(SO4)3 + K2SO4 + H2O =>
2 K2CrO4 + 6 KI + 8 H2SO4 = 3 I2 + Cr2(SO4)3 + 5 K2SO4 + 8 H2O
NaBH4 = NaB + H2 =>
NaBH4 = NaB + 2 H2
H2SO3 + OH = H2O + SO3 =>
H2SO3 + 2 OH = 2 H2O + SO3
CsOH + CH3COOH = CsCH3COO + H2O =>
CsOH + CH3COOH = CsCH3COO + H2O
P2O5 + O2 = P2O7 =>
P2O5 + O2 = P2O7
Ba(OH)2 + NH4SCN = Ba(SCN)2 + H2O + NH3 =>
Ba(OH)2 + 2 NH4SCN = Ba(SCN)2 + 2 H2O + 2 NH3
ReCl5 + SbCl = ReCl4 + SbCl5 =>
4 ReCl5 + SbCl = 4 ReCl4 + SbCl5
CO2 + H2O = CH6H1206 + O2 =>
CO2 + 606 H2O = CH6H1206 + 304 O2
Br + C4H10 = BrC4H10 =>
Br + C4H10 = BrC4H10
Mg(OH)2 + NaOH = Mg(OH)3{-} + Na{+}¨ =>
Mg(OH)2 + NaOH = Mg(OH)3{-} + Na{+}¨
Zn(cr) + CrCl3(aq) = CrCl2(aq) + ZnCl2(aq) =>
Zn(cr) + 2 CrCl3(aq) = 2 CrCl2(aq) + ZnCl2(aq)
Rb5Cl8 + Mg9O6 + Al7H2 = Rb7O5 + Mg15Cl2 + Al3 + H3O =>
42 Rb5Cl8 + 280 Mg9O6 + 2295 Al7H2 = 30 Rb7O5 + 168 Mg15Cl2 + 5355 Al3 + 1530 H3O
CaC2(g) + H2O(l) = Ca(OH)2(s) + C2H2(g) =>
CaC2(g) + 2 H2O(l) = Ca(OH)2(s) + C2H2(g)
KOH + CuAl = Al2O3 + CuO + H2 + K2 =>
10 KOH + 4 CuAl = 2 Al2O3 + 4 CuO + 5 H2 + 5 K2
Cu(s) + HBr(aq) = H2 + CuBr2 =>
Cu(s) + 2 HBr(aq) = H2 + CuBr2
CH4(gr) + O2(gr) = CO2(gr) + H2O(l) =>
CH4(gr) + 2 O2(gr) = CO2(gr) + 2 H2O(l)
H3AsO4 + Al(OH)3 = Al(OH)2(H2AsO4) + H2O =>
H3AsO4 + Al(OH)3 = Al(OH)2(H2AsO4) + H2O
HBr(aq) + Ca(OH)2(aq) = CaBr2(aq) + H2O(l) =>
2 HBr(aq) + Ca(OH)2(aq) = CaBr2(aq) + 2 H2O(l)
C2H6O + KMnO4 + KOH = CH3COOK + H2O + K2MnO4 =>
C2H6O + 4 KMnO4 + 5 KOH = CH3COOK + 4 H2O + 4 K2MnO4
K[Al(OH)3] + Br2 = KBr + Al(OH)3 =>
2 K[Al(OH)3] + Br2 = 2 KBr + 2 Al(OH)3
KIO3 + Na2SO4 = K2SO4 + NaIO3 =>
2 KIO3 + Na2SO4 = K2SO4 + 2 NaIO3
N2O5 + H2O = NH4OH + O =>
N2O5 + 5 H2O = 2 NH4OH + 8 O
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