Équations équilibrées la veille |
2 NH3 + 3 O2(g) + 2 CH4(g) = 2 HCN(aq) + 6 H2O(l)
Na2S2O3 + KClO3 + H2O = Na2SO4 + KCl + H2SO4 =>
3 Na2S2O3 + 4 KClO3 + 3 H2O = 3 Na2SO4 + 4 KCl + 3 H2SO4
Cu2CrO4 + Zn(HSO4)2 = ZnCrO4 + CuHSO4 =>
Cu2CrO4 + Zn(HSO4)2 = ZnCrO4 + 2 CuHSO4
NaCl + HNO3 = NaNO3 + HCl =>
NaCl + HNO3 = NaNO3 + HCl
PrF3 + LiPN2 + Li3N = Pr2P3N7 + LiF =>
2 PrF3 + 3 LiPN2 + Li3N = Pr2P3N7 + 6 LiF
FeO(s) + CO(g) = Fe2(s) + CO2(g) =>
2 FeO(s) + 2 CO(g) = Fe2(s) + 2 CO2(g)
K2SO4 + MnSO4 = MnK2 + SO4 =>
K2SO4 + MnSO4 = MnK2 + 2 SO4
BaSO4 + CuCl2 = BaCl2 + CuSO4 =>
BaSO4 + CuCl2 = BaCl2 + CuSO4
CH3COOH + K2SO3 = CH3COOK + H2O + SO2 =>
2 CH3COOH + K2SO3 = 2 CH3COOK + H2O + SO2
NiBr2 + AgC2H3O2 = Ni(C2H3O2)2 + AgBr =>
NiBr2 + 2 AgC2H3O2 = Ni(C2H3O2)2 + 2 AgBr
H2SO4 + NaOH = SO4NaH + H2O =>
H2SO4 + NaOH = SO4NaH + H2O
Br2 + FeSO4 = FeBr + Fe2(SO4)3 =>
Br2 + 6 FeSO4 = 2 FeBr + 2 Fe2(SO4)3
SO2 + O2(g) = SO3 =>
2 SO2 + O2(g) = 2 SO3
Fe + B4C = Fe2B + C =>
8 Fe + B4C = 4 Fe2B + C
BeF2(c) + Mg(c) = MgF2(c) + Be(c) =>
BeF2(c) + Mg(c) = MgF2(c) + Be(c)
Fe{3+} + NaOH = FeOH{3+} + Na =>
Fe{3+} + NaOH = FeOH{3+} + Na
CaI2 + Hg(NO3)2 = Ca(NO3)2 + HgI2 =>
CaI2 + Hg(NO3)2 = Ca(NO3)2 + HgI2
FeS + HCl + KClO3 = FeCl3 + H2O + S + KCl =>
2 FeS + 6 HCl + KClO3 = 2 FeCl3 + 3 H2O + 2 S + KCl
KOH + Mg(OH)2 = K(OH)2MgOH =>
KOH + Mg(OH)2 = K(OH)2MgOH
Ca + C + H2 + O2 = Ca(HCO3)2 =>
Ca + 2 C + H2 + 3 O2 = Ca(HCO3)2
Ba(NO3)2(s) + NaOH(aq) = Ba(OH)2(s) + NaNO3(aq) =>
Ba(NO3)2(s) + 2 NaOH(aq) = Ba(OH)2(s) + 2 NaNO3(aq)
FeSO4 + Na3PO4 = Fe3(PO4)2 + Na2SO4 =>
3 FeSO4 + 2 Na3PO4 = Fe3(PO4)2 + 3 Na2SO4
H2SO4 + Na = NaSO4H2 =>
H2SO4 + Na = NaSO4H2
NH4Cl + Pb(CrO4)2 = (NH4)2CrO4 + PbCl4 =>
4 NH4Cl + Pb(CrO4)2 = 2(NH4)2CrO4 + PbCl4
KNO2 + K2Cr2O7 + H2SO4 = KNO3 + Cr2(SO4)3 + K2SO4 + H2O =>
3 KNO2 + K2Cr2O7 + 4 H2SO4 = 3 KNO3 + Cr2(SO4)3 + K2SO4 + 4 H2O
CaN = Ca + N =>
CaN = Ca + N
Cu + AgN2 = Cu2N2 + Ag =>
2 Cu + AgN2 = Cu2N2 + Ag
Na2HPO4 + CaCO3 = Na2CO3 + CaHPO4 =>
Na2HPO4 + CaCO3 = Na2CO3 + CaHPO4
C37H34N2Na2O10S3 + H2O2 = CO2 + H2O + Na + N + S =>
C37H34N2Na2O10S3 + 81 H2O2 = 37 CO2 + 98 H2O + 2 Na + 2 N + 3 S
FeO + Cl = FeCl2 + O2 =>
2 FeO + 4 Cl = 2 FeCl2 + O2
H3PO4 + Ba(OH)2 = H5O2 + BaPO4 =>
H3PO4 + Ba(OH)2 = H5O2 + BaPO4
PbClF = PbCl + F =>
PbClF = PbCl + F
H[AuCl4] + SnCl2 + HCl = Au + H2[SnCl6] =>
2 H[AuCl4] + 3 SnCl2 + 4 HCl = 2 Au + 3 H2[SnCl6]
PH3 + P = P2H4 =>
4 PH3 + 2 P = 3 P2H4
KClO3 + H2S = KCl + SO2 + H2O =>
KClO3 + H2S = KCl + SO2 + H2O
Pb2O3 + NH4Cl = PbCl3 + NH3 + H2O =>
Pb2O3 + 6 NH4Cl = 2 PbCl3 + 6 NH3 + 3 H2O
Al(ClO)3 + Sr(OH)2 = Al(OH)3 + Sr(ClO)2 =>
2 Al(ClO)3 + 3 Sr(OH)2 = 2 Al(OH)3 + 3 Sr(ClO)2
KMnO4 + CoCl2 + HCl = CoCl3 + KCl + MnCl2 + H2O =>
KMnO4 + 5 CoCl2 + 8 HCl = 5 CoCl3 + KCl + MnCl2 + 4 H2O
C6H4(OH)COOH + CH4O = C8H8O3 + H2O =>
C6H4(OH)COOH + CH4O = C8H8O3 + H2O
Ca(ClO)2 + HCl = Cl2 + Ca(OH)2 =>
Ca(ClO)2 + 2 HCl = 2 Cl2 + Ca(OH)2
Na3(Al(OH)6) + H2SO4 = Al2(SO4)3 + Na2SO4 + H2O =>
2 Na3(Al(OH)6) + 6 H2SO4 = Al2(SO4)3 + 3 Na2SO4 + 12 H2O
AgNO3 + Na2Cr2O7 = Na2NO3 + AgCr2O7 =>
AgNO3 + Na2Cr2O7 = Na2NO3 + AgCr2O7
K2Cr2O7 + FeSO4 + H2SO4 = CrSO4 + K2SO4 + Fe(SO4)3 + H2O =>
K2Cr2O7 + 2 FeSO4 + 7 H2SO4 = 2 CrSO4 + K2SO4 + 2 Fe(SO4)3 + 7 H2O
S{-2} + I2 = I{-} + S8 =>
8 S{-2} + 8 I2 = 16 I{-} + S8
Cr{3+} + OH{-} + NO3{-} = CrO4{2-} + NO2{-} + H2O =>
2 Cr{3+} + 10 OH{-} + 3 NO3{-} = 2 CrO4{2-} + 3 NO2{-} + 5 H2O
NaCrO2 + NaClO + NaOH = H2O + Na2CrO4 + NaCl =>
2 NaCrO2 + 3 NaClO + 2 NaOH = H2O + 2 Na2CrO4 + 3 NaCl
Co + Br = CoBr3 =>
Co + 3 Br = CoBr3
Ca + I2 = CaI2 =>
Ca + I2 = CaI2
AgCl + KNO3 = Ag(NO3) + KCl =>
AgCl + KNO3 = Ag(NO3) + KCl
CsCl + H2O = CsOH + Cl2 + H2 =>
2 CsCl + 2 H2O = 2 CsOH + Cl2 + H2
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