Équations équilibrées la veille |
C3H8O3 = C3H6O3 + H2
FeO*Cr2O3 + Na2CO3 + NaNO3 = Na2CrO4 + Fe2O3 + CO2 + NaNO2 =>
2 FeO*Cr2O3 + 4 Na2CO3 + 7 NaNO3 = 4 Na2CrO4 + Fe2O3 + 4 CO2 + 7 NaNO2
HNO2 = NO + HNO3H2O =>
3 HNO2 = 2 NO + HNO3H2O
CH3SH + CO = CH3CO(SCH3) + H2S =>
2 CH3SH + CO = CH3CO(SCH3) + H2S
Nb + MnO2 = MnO + Nb2O5 =>
2 Nb + 5 MnO2 = 5 MnO + Nb2O5
C2H5Br + KOH = C2H4 + KBr + H2O =>
C2H5Br + KOH = C2H4 + KBr + H2O
Mg(No3)2(aq) + Li2(So3)(aq) = Mg(So3)(aq) + LiNo3(s) =>
Mg(No3)2(aq) + Li2(So3)(aq) = Mg(So3)(aq) + 2 LiNo3(s)
Sr + P2 = Sr3P2 =>
3 Sr + P2 = Sr3P2
C6H10O6 + O2 = H2O + CO2 =>
2 C6H10O6 + 11 O2 = 10 H2O + 12 CO2
H3PO4 + H2SO4 + KCl = P2S5 + KClO3 + H2O =>
6 H3PO4 + 15 H2SO4 + 20 KCl = 3 P2S5 + 20 KClO3 + 24 H2O
Ba{2+} + SO4{-} = Ba(SO4)2 =>
Ba{2+} + 2 SO4{-} = Ba(SO4)2
C3H7Cl + HCl = C3H6Cl2 + H2 =>
C3H7Cl + HCl = C3H6Cl2 + H2
K3(Fe(OH)6) + HCl = FeCl3 + H2O + KCl =>
K3(Fe(OH)6) + 6 HCl = FeCl3 + 6 H2O + 3 KCl
Fe2O3 + CuSO4 = Fe2(SO4)3 + CuO =>
Fe2O3 + 3 CuSO4 = Fe2(SO4)3 + 3 CuO
HCOOH + CuO = CuHCO3 + H2 =>
2 HCOOH + 2 CuO = 2 CuHCO3 + H2
HC6H7O7 + Na2CO3 = Na + H2O + CO2 =>
HC6H7O7 + 9 Na2CO3 = 18 Na + 4 H2O + 15 CO2
K + LiCl = Li + KCl =>
K + LiCl = Li + KCl
Fe(OH)3 + H2Se = H2O + FeH3Se3 =>
Fe(OH)3 + 3 H2Se = 3 H2O + FeH3Se3
NH2OH + KI + H2SO4 = I2 + K2SO4 + (NH4)2SO4 + H2O =>
2 NH2OH + 4 KI + 3 H2SO4 = 2 I2 + 2 K2SO4 + (NH4)2SO4 + 2 H2O
K3PO4 + NaCl = KCl + Na3PO4 =>
K3PO4 + 3 NaCl = 3 KCl + Na3PO4
Cr + Hg = CrHg =>
Cr + Hg = CrHg
CuCl{+2} + NaOH = Cu(OH){+2} + NaCl =>
CuCl{+2} + NaOH = Cu(OH){+2} + NaCl
Mg(HSO4)2 + MgOHNO3 = MgSO4 + Mg(NO3)2 + H2O =>
Mg(HSO4)2 + 2 MgOHNO3 = 2 MgSO4 + Mg(NO3)2 + 2 H2O
CH3COOAg + NH4OH = NH3 + CH3COOH + OHAg =>
CH3COOAg + NH4OH = NH3 + CH3COOH + OHAg
Zn(OH)2 + LiOH = Li[Zn(OH)3] =>
Zn(OH)2 + LiOH = Li[Zn(OH)3]
Cu(NO{+3}){2+} + NaOH = Cu(OH){2+} + NaNO{3+} =>
Cu(NO{+3}){2+} + NaOH = Cu(OH){2+} + NaNO{3+}
NaN3 = Na(s) + N2(g) = Na(s) + Fe2O3(s) = Na2O(s) + Fe(s) =>
2 NaN3 = 2 Na(s) + 3 N2(g)
HNO3 + Pb = NH4NO3 + Pb(NO3)4 + H2O =>
10 HNO3 + 2 Pb = NH4NO3 + 2 Pb(NO3)4 + 3 H2O
HBr + NaCO3 = NaBr + HCO3 =>
HBr + NaCO3 = NaBr + HCO3
Fe(OH)2 + NO2 = Fe(NO3)3 + NO + H2O =>
Fe(OH)2 + 5 NO2 = Fe(NO3)3 + 2 NO + H2O
KHSO4 + NaOH = NaHSO4 + KOH =>
KHSO4 + NaOH = NaHSO4 + KOH
NaC6H5COO + NH4Cl = NaCl + NH3 + C6H5COOH =>
NaC6H5COO + NH4Cl = NaCl + NH3 + C6H5COOH
Br2 + FeCl3 = Cl2 + FeBr3 =>
3 Br2 + 2 FeCl3 = 3 Cl2 + 2 FeBr3
FeO + C = FeC + O2 =>
2 FeO + 2 C = 2 FeC + O2
HI + CH3OH = H2O + CH3I =>
HI + CH3OH = H2O + CH3I
C + H2O = CH4 + CO2 =>
2 C + 2 H2O = CH4 + CO2
SnCl2Zn = SnZnCl2 =>
SnCl2Zn = SnZnCl2
Cd + HCl = Cd(HCl) =>
Cd + HCl = Cd(HCl)
CH3COOH + O2 = CO2 + H2O =>
CH3COOH + 2 O2 = 2 CO2 + 2 H2O
SnO2 + C = Sn + CO2 =>
SnO2 + C = Sn + CO2
MnO2(s) + KOH(aq) + O2(g) = K2MnO4(aq) + H2O(l) =>
2 MnO2(s) + 4 KOH(aq) + O2(g) = 2 K2MnO4(aq) + 2 H2O(l)
NHSO4 + CaCO3 = NHCO3 + CaSO4 =>
NHSO4 + CaCO3 = NHCO3 + CaSO4
CsClO4 = Cs + ClO4 =>
CsClO4 = Cs + ClO4
K2Zn(OH)4 + H2SO4 = K2SO4 + ZnSO4 + H2O =>
K2Zn(OH)4 + 2 H2SO4 = K2SO4 + ZnSO4 + 4 H2O
Pb + CuO = PbCu + O =>
Pb + CuO = PbCu + O
K2CrO4 + NaCl + H2O = Cr(OH)3 + KOH + NaOH + Cl2 =>
2 K2CrO4 + 6 NaCl + 8 H2O = 2 Cr(OH)3 + 4 KOH + 6 NaOH + 3 Cl2
HC2H3O2 + NaHCO3 = H2O + CO2 + NaC2H3O2 =>
HC2H3O2 + NaHCO3 = H2O + CO2 + NaC2H3O2
H2O + BaO2 = Ba(OH)2 + O =>
H2O + BaO2 = Ba(OH)2 + O
Nb2O5 + Al = Al2O3 + Nb2 =>
3 Nb2O5 + 10 Al = 5 Al2O3 + 3 Nb2
Fe + H{+} = Fe{+} + H2 =>
2 Fe + 2 H{+} = 2 Fe{+} + H2
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