| Équations équilibrées la veille |
Na2(s) + Br2(s) = 2 NaBr(s)
Na2S + HBr = H2S + NaBr =>
Na2S + 2 HBr = H2S + 2 NaBr
NO4 + H2O = NH3 + O2 =>
4 NO4 + 6 H2O = 4 NH3 + 11 O2
KNO2 + KMnO5 + H2SO4 = KNO3 + MnSO4 + K2SO4 + H2O =>
7 KNO2 + 2 KMnO5 + 3 H2SO4 = 7 KNO3 + 2 MnSO4 + K2SO4 + 3 H2O
KMnO4 + CHCl3 + H2SO4 = Cl2 + MnSO4 + K2SO4 + CO2 + H2O =>
2 KMnO4 + 2 CHCl3 + 3 H2SO4 = 3 Cl2 + 2 MnSO4 + K2SO4 + 2 CO2 + 4 H2O
AgNO3 + H2O = Ag2O + HNO3 =>
2 AgNO3 + H2O = Ag2O + 2 HNO3
COOHCOOH + Ca(OH)2 = (COO)2Ca + H2O =>
COOHCOOH + Ca(OH)2 = (COO)2Ca + 2 H2O
Ca(s) + Al(NO3)3(aq) = Al(s) + Ca(NO3)2(aq) =>
3 Ca(s) + 2 Al(NO3)3(aq) = 2 Al(s) + 3 Ca(NO3)2(aq)
Li + Co3(AsO3)2 = Li(AsO3)2 + Co =>
Li + Co3(AsO3)2 = Li(AsO3)2 + 3 Co
ZnSO4 + Mg = MgSO4 + Zn =>
ZnSO4 + Mg = MgSO4 + Zn
Na2MnO4 + Cl2 = NaMnO4 + NaCl =>
2 Na2MnO4 + Cl2 = 2 NaMnO4 + 2 NaCl
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
B2O3 + SOCl2 = SO2 + BCl3 =>
B2O3 + 3 SOCl2 = 3 SO2 + 2 BCl3
AgNO3 + H2S = Ag2S + HNO3 =>
2 AgNO3 + H2S = Ag2S + 2 HNO3
BaO + H2O = BaOOH2 =>
BaO + H2O = BaOOH2
Ca(NO3)2 + H3PO4 = Ca3(PO4)2 + HNO3 =>
3 Ca(NO3)2 + 2 H3PO4 = Ca3(PO4)2 + 6 HNO3
AgNO3 + H2SO4 = Ag2SO4 + HNO3 =>
2 AgNO3 + H2SO4 = Ag2SO4 + 2 HNO3
Ca3 + (PO4)2 + H2SO4 = CaH4(PO4)2 + CaSO4 =>
Ca3 + (PO4)2 + 2 H2SO4 = CaH4(PO4)2 + 2 CaSO4
C4H8 + Cl2 = C4H8Cl2 =>
C4H8 + Cl2 = C4H8Cl2
AgNO3 + H3PO4 = Ag3PO4 + HNO3 =>
3 AgNO3 + H3PO4 = Ag3PO4 + 3 HNO3
H2 + Cu(NO3) = Cu + HNO3 =>
H2 + 2 Cu(NO3) = 2 Cu + 2 HNO3
FeCl2(aq) + K2SO4(aq) = FeSO4 + KCl(aq) =>
FeCl2(aq) + K2SO4(aq) = FeSO4 + 2 KCl(aq)
Na3AsO3 + HCl + Na2S2O3 = As2S3 + Na2SO4 + NaCl + H2O =>
2 Na3AsO3 + 6 HCl + 3 Na2S2O3 = As2S3 + 3 Na2SO4 + 6 NaCl + 3 H2O
H2SO4 + LiOH = H2O + SO4Li2 =>
H2SO4 + 2 LiOH = 2 H2O + SO4Li2
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
NH3 + H2(SO4) = (NH4)2SO4 =>
2 NH3 + H2(SO4) = (NH4)2SO4
HBrO3 + H2SO3 = H2SO4 + HBr =>
HBrO3 + 3 H2SO3 = 3 H2SO4 + HBr
Rb + BaI2 = RbI + Ba =>
2 Rb + BaI2 = 2 RbI + Ba
KCIO3 + KI + HCI = I2 + KCI + H2O =>
KCIO3 + 6 KI + 6 HCI = 3 I2 + 7 KCI + 3 H2O
HCO2H + NaOH = H2O + NaHCO2 =>
HCO2H + NaOH = H2O + NaHCO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na2S2O3(s) = Na2SO4(s) + Na2S(s) + S(s) =>
4 Na2S2O3(s) = 3 Na2SO4(s) + Na2S(s) + 4 S(s)
MgCl2 + HCl + K2Cr2O7 = MgCl3 + KCl + CrCl3 + H2O =>
6 MgCl2 + 14 HCl + K2Cr2O7 = 6 MgCl3 + 2 KCl + 2 CrCl3 + 7 H2O
NaCl(aq) + Ba(NO3)2(aq) = Na2(NO3)2(aq) + BaCl2(s) =>
2 NaCl(aq) + Ba(NO3)2(aq) = Na2(NO3)2(aq) + BaCl2(s)
Al(s) + CuSO4(aq) = Al2(SO4)3(aq) + Cu4(aq) =>
8 Al(s) + 12 CuSO4(aq) = 4 Al2(SO4)3(aq) + 3 Cu4(aq)
C6H5CHO + Cr2O7{2-} + H{+} = C6H5COOH + Cr{+} + H2O =>
5 C6H5CHO + Cr2O7{2-} + 4 H{+} = 5 C6H5COOH + 2 Cr{+} + 2 H2O
Cl2O3*H2O = HClO2 =>
Cl2O3*H2O = 2 HClO2
S + C + KNO3 = N2 + CO + K2S =>
S + 6 C + 2 KNO3 = N2 + 6 CO + K2S
CuNO3(aq) + Pb(s) = Cu(s) + PbNO3(aq) =>
CuNO3(aq) + Pb(s) = Cu(s) + PbNO3(aq)
HCOOH + AlBr3 = (HCOO)3Al + HBr =>
3 HCOOH + AlBr3 = (HCOO)3Al + 3 HBr
AgNO3 + HCl = HNO3 + AgCl =>
AgNO3 + HCl = HNO3 + AgCl
K(NO3) + CaCl2 = KCl2 + Ca(NO3) =>
K(NO3) + CaCl2 = KCl2 + Ca(NO3)
Cl2(g) + HF(g) = F2(g) + HCl(ac) =>
Cl2(g) + 2 HF(g) = F2(g) + 2 HCl(ac)
I{-} + H3O{+} + MnO4{-} = H2O + I2 + Mn2 =>
14 I{-} + 16 H3O{+} + 2 MnO4{-} = 24 H2O + 7 I2 + Mn2
LiOH + H2O = H3O + LiO =>
LiOH + H2O = H3O + LiO
H{+} + NO2{-} + Fe{2+} = NO + Fe{3+} + H2O =>
2 H{+} + NO2{-} + Fe{2+} = NO + Fe{3+} + H2O
Fe2O3 + C = Fe + CO3 =>
Fe2O3 + C = 2 Fe + CO3
KMnO4 + SO4H2 + NO2H = SO4Mn + SO4K2 + NO3H + H2O =>
2 KMnO4 + 3 SO4H2 + 5 NO2H = 2 SO4Mn + SO4K2 + 5 NO3H + 3 H2O
BaCO3 + SrCO3 + Y2O3 + O2 + Ir = Ba8Sr12Y10Ir10O60 + CO2 =>
16 BaCO3 + 24 SrCO3 + 10 Y2O3 + 25 O2 + 20 Ir = 2 Ba8Sr12Y10Ir10O60 + 40 CO2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
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