| Équations équilibrées la veille |
3 C5H11OH + K2Cr2O7 + 4 H2SO4 = 3 C4H9CHO + K2SO4 + Cr2(SO4)3 + 7 H2O
CuCl2 + H2O = Cu(OH)2 + HCl =>
CuCl2 + 2 H2O = Cu(OH)2 + 2 HCl
Cu(NO3)2 + Na2SO4 = CuSO4 + Na(NO3) =>
Cu(NO3)2 + Na2SO4 = CuSO4 + 2 Na(NO3)
Ag + Hg(NO3)2 = Ag(NO3)2 + Hg =>
Ag + Hg(NO3)2 = Ag(NO3)2 + Hg
CoS + H2O2 + H{+} = Co2{+} + S + H2O =>
4 CoS + H2O2 + 2 H{+} = 2 Co2{+} + 4 S + 2 H2O
HCO2Na + H2SO4 = HCO2H + Na2SO4 =>
2 HCO2Na + H2SO4 = 2 HCO2H + Na2SO4
Ca3P2 + Cl2 = CaCl2 + P =>
Ca3P2 + 3 Cl2 = 3 CaCl2 + 2 P
NH4 + MnO2 = Mn2O3 + H2O + NH3 =>
2 NH4 + 2 MnO2 = Mn2O3 + H2O + 2 NH3
Fe(s) + CuCl2 = FeCl2 + Cu(s) =>
Fe(s) + CuCl2 = FeCl2 + Cu(s)
C16H14 + O2 = CO2 + H2O =>
2 C16H14 + 39 O2 = 32 CO2 + 14 H2O
Sn(OH)4 + H3PO4 = Sn3(PO4)4 + H2O =>
3 Sn(OH)4 + 4 H3PO4 = Sn3(PO4)4 + 12 H2O
KClO3 + MnO2 = KCl + Mn2O7 =>
KClO3 + 2 MnO2 = KCl + Mn2O7
Br2 + Na2S2O3 + H2O = NaBr + HBr + H2SO4 =>
4 Br2 + Na2S2O3 + 5 H2O = 2 NaBr + 6 HBr + 2 H2SO4
Rb + S = RbS =>
Rb + S = RbS
Zn(NO3)2 + K4Fe(CN)6 = Zn2Fe(CN)6 + KNO3 =>
2 Zn(NO3)2 + K4Fe(CN)6 = Zn2Fe(CN)6 + 4 KNO3
C17H31COOH + Br2 = C18H32O2Br2 =>
C17H31COOH + Br2 = C18H32O2Br2
Fe(CN)2 = Fe + C2 + N2 =>
Fe(CN)2 = Fe + C2 + N2
POCl3 + H2O = H3PO4 + HCl =>
POCl3 + 3 H2O = H3PO4 + 3 HCl
K2Cr2O7 + H2SO4 + C3H8O = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
2 K2Cr2O7 + 8 H2SO4 + 2 C3H8O = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3COOH + 10 H2O
K4Fe(CN)6 + Ba(NO3)2 = K(NO3) + Ba2Fe(CN)6 =>
K4Fe(CN)6 + 2 Ba(NO3)2 = 4 K(NO3) + Ba2Fe(CN)6
Cr(OH)4{-} + H2O2 = CrO4{-} + H2O =>
Cr(OH)4{-} + 2 H2O2 = CrO4{-} + 4 H2O
CaCO3 + HCOOH = Ca(COOH)2 + CO2 + H2O =>
CaCO3 + 2 HCOOH = Ca(COOH)2 + CO2 + H2O
Cu(s) + HCl = CuCl2 + H2 =>
Cu(s) + 2 HCl = CuCl2 + H2
NH4OOCCH3 + H2O = NH4OOCCH3*H2O =>
NH4OOCCH3 + H2O = NH4OOCCH3*H2O
K2O + Cu = CuO + K =>
K2O + Cu = CuO + 2 K
Zn + KMnO4 + NaOH = Na2[Zn(OH)4] + KNaMnO4 =>
Zn + 2 KMnO4 + 4 NaOH = Na2[Zn(OH)4] + 2 KNaMnO4
CHON + O2 = CO2 + H2O + NO2 =>
4 CHON + 7 O2 = 4 CO2 + 2 H2O + 4 NO2
Pt + HBr = PtBr + H =>
Pt + HBr = PtBr + H
Ti + HNO3 + HCl = H2[TiCl6] + NO + H2O =>
3 Ti + 4 HNO3 + 18 HCl = 3 H2[TiCl6] + 4 NO + 8 H2O
H2O2 + ClO2 = ClO2{-} + O2 + H{+} =>
H2O2 + 2 ClO2 = 2 ClO2{-} + O2 + 2 H{+}
FeS2 + K2MnO4 + H2O = MnO2 + Fe(OH)3 + K2SO4 + KOH =>
2 FeS2 + 15 K2MnO4 + 14 H2O = 15 MnO2 + 2 Fe(OH)3 + 4 K2SO4 + 22 KOH
(Na)2CO3 + HCl = NaCl + H2CO3 =>
(Na)2CO3 + 2 HCl = 2 NaCl + H2CO3
Na3[Cr(OH)6] + PbO2 + NaOH = Na2[Pb(OH)3] + Na2CrO4 + H2O =>
Na3[Cr(OH)6] + PbO2 + NaOH = Na2[Pb(OH)3] + Na2CrO4 + 2 H2O
C2H19NO4 + O2 = CO2 + H2O + NH3 =>
C2H19NO4 + 4 O2 = 2 CO2 + 8 H2O + NH3
NaOH + CH3CH2CO2H = CH3CH2CO2Na + H2O =>
NaOH + CH3CH2CO2H = CH3CH2CO2Na + H2O
[Cr(N2H4CO)6]4[Cr(CN)6]3 + KMnO4 + H2SO4 = K2Cr2O7 + MnSO4 + CO2 + KNO3 + K2SO4 + HOH =>
10[Cr(N2H4CO)6]4[Cr(CN)6]3 + 1176 KMnO4 + 1399 H2SO4 = 35 K2Cr2O7 + 1176 MnSO4 + 420 CO2 + 660 KNO3 + 223 K2SO4 + 1879 HOH
K2Cr2O7 + H2C2O4*2H2O = K[Cr(H2O)2(C2O4)2]*3H2O + H2O + CO2 =>
K2Cr2O7 + 7 H2C2O4*2H2O = 2 K[Cr(H2O)2(C2O4)2]*3H2O + 11 H2O + 6 CO2
K2CrO4 + H2S + KOH = K3CrO3 + S + H2O =>
2 K2CrO4 + 3 H2S + 2 KOH = 2 K3CrO3 + 3 S + 4 H2O
S8 + H2O = H2S + SO2 =>
3 S8 + 16 H2O = 16 H2S + 8 SO2
Li + Ba(C2H3O2)2 = Ba + LiC2H3O2 =>
2 Li + Ba(C2H3O2)2 = Ba + 2 LiC2H3O2
Zn(NO3)2(aq) + K2S(aq) = ZnS(s) + KNO3(aq) =>
Zn(NO3)2(aq) + K2S(aq) = ZnS(s) + 2 KNO3(aq)
Al + Hg(C2H3O2)2 = Al(C2H3O2)3 + Hg =>
2 Al + 3 Hg(C2H3O2)2 = 2 Al(C2H3O2)3 + 3 Hg
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Ca + Mn(NO3)2 = Ca(NO3)2 + Mn =>
Ca + Mn(NO3)2 = Ca(NO3)2 + Mn
CuSO4(s) + H2O(l) = CuSO4*5H2O(s) =>
CuSO4(s) + 5 H2O(l) = CuSO4*5H2O(s)
I2(s) + HCl(aq) = ICl3 + H2 =>
I2(s) + 6 HCl(aq) = 2 ICl3 + 3 H2
NiCl2 + HCl = NiH + Cl =>
NiCl2 + HCl = NiH + 3 Cl
K2Cr2O7 + FeCl + HCl = FeCl3 + CrCl3 + KCl + H2O =>
K2Cr2O7 + 3 FeCl + 14 HCl = 3 FeCl3 + 2 CrCl3 + 2 KCl + 7 H2O
Fe(OH)3 + C = CO2 + Fe + H2O =>
4 Fe(OH)3 + 3 C = 3 CO2 + 4 Fe + 6 H2O
Ca(NO3)2(aq) + K2CO3(aq) = CaCO3(s) + KNO3(aq) =>
Ca(NO3)2(aq) + K2CO3(aq) = CaCO3(s) + 2 KNO3(aq)
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