Équations équilibrées la veille |
2 K2CrO7 + 18 HJ + 5 H2SO4 = Cr2(SO4)3 + 9 J2 + 2 K2SO4 + 14 H2O
HNO3 + C6H12O6 = C6H12O7 + NO2 + H2O =>
2 HNO3 + C6H12O6 = C6H12O7 + 2 NO2 + H2O
Al + NaOH + H29O = NaAlO2 + H2 =>
Al + NaOH + H29O = NaAlO2 + 15 H2
PbCl2 + CH3COONa = Pb(CH3COO)2 + NaCl =>
PbCl2 + 2 CH3COONa = Pb(CH3COO)2 + 2 NaCl
CaCl2 + K3PO4 = Ca3(PO4)2 + KCl =>
3 CaCl2 + 2 K3PO4 = Ca3(PO4)2 + 6 KCl
[Co(NH3)6]Cl3 + AgNO3 = AgCl + Co(NH3)6(NO3)3 =>
[Co(NH3)6]Cl3 + 3 AgNO3 = 3 AgCl + Co(NH3)6(NO3)3
S + O2 = SO2 =>
S + O2 = SO2
RbCl + O2 = RbClO4 =>
RbCl + 2 O2 = RbClO4
FeCl3 + Pb(C2H3O2)2 = Fe(C2H3O2)3 + PbCl2 =>
2 FeCl3 + 3 Pb(C2H3O2)2 = 2 Fe(C2H3O2)3 + 3 PbCl2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
AgNO3 + Na2CO3 = Ag2CO3 + NaNO3 =>
2 AgNO3 + Na2CO3 = Ag2CO3 + 2 NaNO3
Mn(NO2) + BeCl2 = Be(NO2) + MnCl2 =>
Mn(NO2) + BeCl2 = Be(NO2) + MnCl2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
HClO + KBr + HCl = Br2 + H2O + KCl =>
HClO + 2 KBr + HCl = Br2 + H2O + 2 KCl
H2O9(g) + CO2(g) = C6H12O6(g) + O2(g) =>
6 H2O9(g) + 6 CO2(g) = C6H12O6(g) + 30 O2(g)
KMnO4 + Na2S2O3*5H2O + HCl = KCl + MnCl2 + NaCl + SO2 + H2O =>
4 KMnO4 + 5 Na2S2O3*5H2O + 22 HCl = 4 KCl + 4 MnCl2 + 10 NaCl + 10 SO2 + 36 H2O
K2CO3 + BaCl2 = BaCO3 + KCl =>
K2CO3 + BaCl2 = BaCO3 + 2 KCl
Na + Cl = NaCl =>
Na + Cl = NaCl
Mn(NO2) + BeCl2 = Be(NO2) + MnCl2 =>
Mn(NO2) + BeCl2 = Be(NO2) + MnCl2
CuO + H3PO4 = Cu3(PO4)2 + H2O =>
3 CuO + 2 H3PO4 = Cu3(PO4)2 + 3 H2O
Mg + CuCl2 = MgCl2 + Cu =>
Mg + CuCl2 = MgCl2 + Cu
CrCl3 + Br2 + KOH = K2CrO4 + HCl + KBr + HOH =>
2 CrCl3 + 3 Br2 + 10 KOH = 2 K2CrO4 + 6 HCl + 6 KBr + 2 HOH
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Cr + Sn(ClO3)2 = Cr(ClO3)2 + Sn =>
Cr + Sn(ClO3)2 = Cr(ClO3)2 + Sn
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
NH4(OH) + HNO2 = NNO + H2O =>
2 NH4(OH) + 4 HNO2 = 3 NNO + 7 H2O
Ca + Zn = CaZn =>
Ca + Zn = CaZn
BrCl = Br2 + Cl2 =>
2 BrCl = Br2 + Cl2
C15H31COOH + H2O = CH3COOH + H2 =>
C15H31COOH + 14 H2O = 8 CH3COOH + 14 H2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
FeCl2 + HNO3 = FeCl3 + NO + H2O + Fe(NO3)3 =>
3 FeCl2 + 4 HNO3 = 2 FeCl3 + NO + 2 H2O + Fe(NO3)3
P + H2SO4 = H3PO4 + SO2 + H2O =>
2 P + 5 H2SO4 = 2 H3PO4 + 5 SO2 + 2 H2O
H2(SO4)3 + Al = AlSO4 + H2 =>
H2(SO4)3 + 3 Al = 3 AlSO4 + H2
CH3CH2OH + K2Cr2O7 + H2SO4 = CH3COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH3CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O
HNO3(aq) + CO3(s) = CO2 + H2O + NO3 =>
2 HNO3(aq) + CO3(s) = CO2 + H2O + 2 NO3
K + HBr = KH + Br =>
K + HBr = KH + Br
NiCl2 + HNO3 = Ni(NO3)2 + Cl2 + H2O + NO =>
3 NiCl2 + 8 HNO3 = 3 Ni(NO3)2 + 3 Cl2 + 4 H2O + 2 NO
Li2O + FeCl3 = LiCl + Fe2O3 =>
3 Li2O + 2 FeCl3 = 6 LiCl + Fe2O3
Ca(OH)2 + HBO2 = Ca3(BO3)2 + H2O =>
3 Ca(OH)2 + 2 HBO2 = Ca3(BO3)2 + 4 H2O
Mg(s) + HCl(l) = H2(aq) + MgCl2(aq) =>
Mg(s) + 2 HCl(l) = H2(aq) + MgCl2(aq)
K2Cr2O7 + C2H6O + H2SO4 = Cr2SO4 + K2SO4 + C2H4O + H2O =>
K2Cr2O7 + 5 C2H6O + 2 H2SO4 = Cr2SO4 + K2SO4 + 5 C2H4O + 7 H2O
PbCl2 + Li2SO4 = LiCl + PbSO4 =>
PbCl2 + Li2SO4 = 2 LiCl + PbSO4
K(s) + H2O(l) = H2(g) + KOH(s) =>
2 K(s) + 2 H2O(l) = H2(g) + 2 KOH(s)
C2H5OH + NaOH = C2H5O2Na + H2 =>
C2H5OH + NaOH = C2H5O2Na + H2
Pb(NO3)2 + NaClO3 = NaNO3 + Pb(ClO3)2 =>
Pb(NO3)2 + 2 NaClO3 = 2 NaNO3 + Pb(ClO3)2
C4H10 + O2 = C2H2(CO2)O + H2O =>
6 C4H10 + 23 O2 = 8 C2H2(CO2)O + 22 H2O
Ag(s) + NaNO3(aq) = AgNO3(aq) + Na(s) =>
Ag(s) + NaNO3(aq) = AgNO3(aq) + Na(s)
FeCr2O4 + Na2CO3 + O2 = Na2CrO4 + Fe2O3 + CO =>
4 FeCr2O4 + 8 Na2CO3 + 3 O2 = 8 Na2CrO4 + 2 Fe2O3 + 8 CO
Cr(OH)2NO3 + HNO3 = CrOH(NO3)2 + H2O =>
Cr(OH)2NO3 + HNO3 = CrOH(NO3)2 + H2O
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