| Équations équilibrées la veille |
K2Cr2O7 + 3 Na2C2O4 + 7 H2SO4 = 6 CO2 + Cr2(SO4)3 + K2SO4 + 3 Na2SO4 + 7 H2O
Ga + H3O{+} + H2O = [Ga(H2O)6]3{+} + H2 =>
6 Ga + 2 H3O{+} + 34 H2O = 2[Ga(H2O)6]3{+} + H2
BaCl2 + Fe3(SO4)3 = BaSO4 + FeCl2 =>
3 BaCl2 + Fe3(SO4)3 = 3 BaSO4 + 3 FeCl2
Zn + OH{-} + H2O + NO3{-} = Zn(OH)4{2-} + NH3 =>
4 Zn + 7 OH{-} + 6 H2O + NO3{-} = 4 Zn(OH)4{2-} + NH3
NaOH + CuS = Cu(OH)2 + Na2S =>
2 NaOH + CuS = Cu(OH)2 + Na2S
I2 + NaOH = Na2I + NaIO + H2O =>
3 I2 + 8 NaOH = 2 Na2I + 4 NaIO + 4 H2O
Ca(CN)2 + Na2SO4 = NaCN + CaSO4 =>
Ca(CN)2 + Na2SO4 = 2 NaCN + CaSO4
MgCO3 + HCl = MgCl2 + H2O + CO2 =>
MgCO3 + 2 HCl = MgCl2 + H2O + CO2
HC2H3O2 + Al(HO)3 = H2O + Al(C2H3O2)3 =>
3 HC2H3O2 + Al(HO)3 = 3 H2O + Al(C2H3O2)3
ZnCl2 + NaOH = NaCl + Zn(OH)2 =>
ZnCl2 + 2 NaOH = 2 NaCl + Zn(OH)2
KCl + Na2SnO3 = KClO3 + Na2SnO2 =>
KCl + 3 Na2SnO3 = KClO3 + 3 Na2SnO2
NaC2H3O2(aq) + HNO3(aq) = NaNO3 + C2H4O2 =>
NaC2H3O2(aq) + HNO3(aq) = NaNO3 + C2H4O2
MgO + BaO = BaMg + O2 =>
MgO + BaO = BaMg + O2
(ZnOH)2SO4 + H2SO4 = ZnSO4 + H2O =>
(ZnOH)2SO4 + H2SO4 = 2 ZnSO4 + 2 H2O
MnO2 + Cu + HCl = MnCl2 + CuCl2 + H2O =>
MnO2 + Cu + 4 HCl = MnCl2 + CuCl2 + 2 H2O
Cr2O7{-2} + C2O4{-2} + H2O = Cr{+3} + CO2 + OH{-} =>
Cr2O7{-2} + 3 C2O4{-2} + 7 H2O = 2 Cr{+3} + 6 CO2 + 14 OH{-}
Al(OH)3 + I2 = AlI3 + H2O + O2 =>
4 Al(OH)3 + 6 I2 = 4 AlI3 + 6 H2O + 3 O2
Li2CO3(aq) + Co(C2H3O2)2(aq) = LiC2H3O2(aq) + CoCO3(s) =>
Li2CO3(aq) + Co(C2H3O2)2(aq) = 2 LiC2H3O2(aq) + CoCO3(s)
Al(NO3)3 + NaCH3COO = Al(CH3COO)3 + NaNO3 =>
Al(NO3)3 + 3 NaCH3COO = Al(CH3COO)3 + 3 NaNO3
Ak + O2 = AkO3 =>
2 Ak + 3 O2 = 2 AkO3
KMnO4 + H2S + H2SO4 = MnSO4 + K2SO4 + H2O =>
8 KMnO4 + 5 H2S + 7 H2SO4 = 8 MnSO4 + 4 K2SO4 + 12 H2O
Ak + O2 = AkO3 =>
2 Ak + 3 O2 = 2 AkO3
HCe + NaOH = H2O + NaCe =>
HCe + NaOH = H2O + NaCe
HIO2 = H2 + I2 + O2 =>
2 HIO2 = H2 + I2 + 2 O2
C3H6 + Cl2 = C3H5Cl + HCl =>
C3H6 + Cl2 = C3H5Cl + HCl
ZnO + H3PO4 = Zn3(PO4)2 + H2O =>
3 ZnO + 2 H3PO4 = Zn3(PO4)2 + 3 H2O
Rb + H2SO4 = Rb2SO4 + H =>
2 Rb + H2SO4 = Rb2SO4 + 2 H
Ca(OH)2(aq) + HNO3 = Ca(NO3)2(aq) + H2O(l) =>
Ca(OH)2(aq) + 2 HNO3 = Ca(NO3)2(aq) + 2 H2O(l)
Pb + Ca(NO3)2 = Ca + Pb(NO3)2 =>
Pb + Ca(NO3)2 = Ca + Pb(NO3)2
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
O2 = O3 =>
3 O2 = 2 O3
FeCl2 + O2(g) + HCl = FeCl3 + H2O =>
4 FeCl2 + O2(g) + 4 HCl = 4 FeCl3 + 2 H2O
Ra + C = RaC2 =>
Ra + 2 C = RaC2
S + NaO4 = NaSO4 =>
S + NaO4 = NaSO4
H2S + AgNO3 = Ag2S + HNO3 =>
H2S + 2 AgNO3 = Ag2S + 2 HNO3
NH3 + Br2 = N2 + NH4Br =>
8 NH3 + 3 Br2 = N2 + 6 NH4Br
H{+} + H2MoO4 + Sn{2+} + SCN{-} = MoO(SCN)3 + Sn{3+} + H2O =>
4 H{+} + H2MoO4 + Sn{2+} + 3 SCN{-} = MoO(SCN)3 + Sn{3+} + 3 H2O
(ZnOH)2SO4 + H2O = Zn(OH)2 + H2SO4 =>
(ZnOH)2SO4 + 2 H2O = 2 Zn(OH)2 + H2SO4
AlN + HNO3 = NH4NO3 + Al(NO3)3 =>
AlN + 4 HNO3 = NH4NO3 + Al(NO3)3
Zn + FeCl3 + H2O = ZnCl + FeOHCl + HCl =>
Zn + FeCl3 + H2O = ZnCl + FeOHCl + HCl
MgCO3 + HNO3 = Mg(NO3)2 + CO2H2O =>
MgCO3 + 2 HNO3 = Mg(NO3)2 + CO2H2O
MgCO3 + HNO3 = CO2 + H2O + Mg(NO3)2 =>
MgCO3 + 2 HNO3 = CO2 + H2O + Mg(NO3)2
AlCl3 + AgOH = AgCl + Al(OH)3 =>
AlCl3 + 3 AgOH = 3 AgCl + Al(OH)3
K[ClO3] = KCl + O2 =>
2 K[ClO3] = 2 KCl + 3 O2
Bi(NO3)3*5H2O + Fe(NO3)3*9H2O = BiFeO3 + H2O + HNO3 =>
Bi(NO3)3*5H2O + Fe(NO3)3*9H2O = BiFeO3 + 11 H2O + 6 HNO3
CH2O + HCN + NH3 = N(C2H2N)3 + H2O =>
3 CH2O + 3 HCN + NH3 = N(C2H2N)3 + 3 H2O
KNO3(s) + S(s) + C(s) = K2S(s) + N(g) + CO2(g) =>
2 KNO3(s) + S(s) + 3 C(s) = K2S(s) + 2 N(g) + 3 CO2(g)
CuO + CHCl3 = Cu + CuCl2 + CO3 + H2O =>
7 CuO + 2 CHCl3 = 4 Cu + 3 CuCl2 + 2 CO3 + H2O
CH3COONa(aq) + H2SO4(aq) = CH3COOH + Na2SO4 =>
2 CH3COONa(aq) + H2SO4(aq) = 2 CH3COOH + Na2SO4
K2S + Pb = K2Pb + S =>
K2S + Pb = K2Pb + S
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