Équations équilibrées la veille |
O2 + 2 PCl2 = 2 POCl2
H2S2O3 + LiOH = Li2S2O3 + H2O =>
H2S2O3 + 2 LiOH = Li2S2O3 + 2 H2O
NH3 + Br2 = NBr3 + NH4Br =>
4 NH3 + 3 Br2 = NBr3 + 3 NH4Br
CuS + HNO3 + HBr = S + CuBrO4 + NO + H2O =>
CuS + 3 HNO3 + HBr = S + CuBrO4 + 3 NO + 2 H2O
V2(SO4)3 + H2O + I2 = VOSO4 + H2SO4 + HI =>
V2(SO4)3 + 2 H2O + I2 = 2 VOSO4 + H2SO4 + 2 HI
Ni(C2H3O2)2 + LiOH = Li(C2H3O2)2 + NiOH =>
Ni(C2H3O2)2 + LiOH = Li(C2H3O2)2 + NiOH
(NH4)2CrO4 + CuSO45H2O = CuCrO4(NH4)2SO45H2O =>
(NH4)2CrO4 + CuSO45H2O = CuCrO4(NH4)2SO45H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
P + CaO = Ca3P2 + O =>
2 P + 3 CaO = Ca3P2 + 3 O
C4H10O2 + CrO4{2-} + H{+} = C4H6O3 + Cr{3+} + H2O =>
C4H10O2 + 2 CrO4{2-} + 10 H{+} = C4H6O3 + 2 Cr{3+} + 7 H2O
C2H4 + H2O = CO + H2 =>
C2H4 + 2 H2O = 2 CO + 4 H2
Fe2O3 + Cl2 + OH{-} = FeO4{2-} + Cl{-} + H2O =>
Fe2O3 + 3 Cl2 + 10 OH{-} = 2 FeO4{2-} + 6 Cl{-} + 5 H2O
CaO + H2O = Ca(OH)2 = calor =>
CaO + H2O = Ca(OH)2
ZnSO4 + H2O2 = ZnO + H2SO4 + O2 =>
2 ZnSO4 + 2 H2O2 = 2 ZnO + 2 H2SO4 + O2
K2CO3 + Mg(NO3)2 = K2(NO3)2 + MgCO3 =>
K2CO3 + Mg(NO3)2 = K2(NO3)2 + MgCO3
C6H5CH3 + K2Cr2O7 + H2SO4 = C6H5COOH + Cr2(SO4)3 + K2SO4 + H2O =>
C6H5CH3 + K2Cr2O7 + 4 H2SO4 = C6H5COOH + Cr2(SO4)3 + K2SO4 + 5 H2O
Na3PO4 + Mg(OH)2 = NaOH + Mg3(PO4)2 =>
2 Na3PO4 + 3 Mg(OH)2 = 6 NaOH + Mg3(PO4)2
Pb2 + (NO3)2 = (Pb(NO3)2) =>
Pb2 + 2(NO3)2 = 2(Pb(NO3)2)
K2CO3 + Mg(NO3)2 = K2(NO3)2 + MgCO3 =>
K2CO3 + Mg(NO3)2 = K2(NO3)2 + MgCO3
Na + O2 = NaO =>
2 Na + O2 = 2 NaO
Al + HC1 = H2 + AlC13 =>
2 Al + 26 HC1 = 13 H2 + 2 AlC13
FeSO4 + O2 + H2O = Fe(OH)SO4 =>
4 FeSO4 + O2 + 2 H2O = 4 Fe(OH)SO4
K2CO3 + Mg(NO3)2 = K2(NO3)2 + MgCO3 =>
K2CO3 + Mg(NO3)2 = K2(NO3)2 + MgCO3
CH3COOH = CH2CO + H2O =>
CH3COOH = CH2CO + H2O
K2CO3 + Mg(NO3)2 = K2(NO3)2 + MgCO3 =>
K2CO3 + Mg(NO3)2 = K2(NO3)2 + MgCO3
SH2 = H2S =>
SH2 = H2S
K2CO3 + Mg(NO3)2 = K2(NO3)2 + MgCO3 =>
K2CO3 + Mg(NO3)2 = K2(NO3)2 + MgCO3
Ag2SO4 + AlCl3 = AgCl + Al2(SO4)3 =>
3 Ag2SO4 + 2 AlCl3 = 6 AgCl + Al2(SO4)3
Fe(OH) + KOCl + KOH = K2FeO4 + KCl + H2O =>
2 Fe(OH) + 5 KOCl + 4 KOH = 2 K2FeO4 + 5 KCl + 3 H2O
H2O2 + CH3COOH + KI = I2 + H2O + CH3COOK =>
H2O2 + 2 CH3COOH + 2 KI = I2 + 2 H2O + 2 CH3COOK
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
C3H5N3O9 = CO2 + H2O + N2 + O2 =>
4 C3H5N3O9 = 12 CO2 + 10 H2O + 6 N2 + O2
Pb + Cu(NO3)2 = Pb(NO3)2 + Cu =>
Pb + Cu(NO3)2 = Pb(NO3)2 + Cu
HBrO3(aq) + SO2(g) + H2O(l) = Br2(aq) + H2SO4(aw) =>
2 HBrO3(aq) + 5 SO2(g) + 4 H2O(l) = Br2(aq) + 5 H2SO4(aw)
Ni(NO3)2 + AgNO3 = Ag(NO3)2 + NiNO3 =>
Ni(NO3)2 + AgNO3 = Ag(NO3)2 + NiNO3
HClO3(aq) + Sr(OH)2(aq) = Sr(ClO3)2(aq) + H2O(l) =>
2 HClO3(aq) + Sr(OH)2(aq) = Sr(ClO3)2(aq) + 2 H2O(l)
HNO2 + KClO3 = HNO3 + KCl =>
3 HNO2 + KClO3 = 3 HNO3 + KCl
Mg(NO3)2 + K2CO3 = MgCO3 + KNO3 =>
Mg(NO3)2 + K2CO3 = MgCO3 + 2 KNO3
K2Cr2O7 + C3H8O2 + H2SO4 = K2SO4 + Cr2(SO4)3 + C3H6O2 + H2O =>
K2Cr2O7 + 3 C3H8O2 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 C3H6O2 + 7 H2O
K2CO3 + Mg(NO3)2 = K2(NO3)2 + MgCO3 =>
K2CO3 + Mg(NO3)2 = K2(NO3)2 + MgCO3
Ca(O2H2) + HCl = CaCl2 + H2O =>
Ca(O2H2) + 2 HCl = CaCl2 + 2 H2O
Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2
Zn + KOH + H2O = K2(Zn(OH)4) + H2 =>
Zn + 2 KOH + 2 H2O = K2(Zn(OH)4) + H2
NaCl + CaSO4 = Na2SO4 + CaCl2 =>
2 NaCl + CaSO4 = Na2SO4 + CaCl2
HCl + H2O = H3O + Cl =>
HCl + H2O = H3O + Cl
K2CO3 + Mg(NO3)2 = K2(NO3)2 + MgCO3 =>
K2CO3 + Mg(NO3)2 = K2(NO3)2 + MgCO3
Zn2HCl = HZn2Cl =>
Zn2HCl = HZn2Cl
CH3CH2OCu + Cu(OH)2 = CH3COOH + Cu + H2O =>
2 CH3CH2OCu + 3 Cu(OH)2 = 2 CH3COOH + 5 Cu + 4 H2O
C3H6 + KMnO4 + H2O = C3H8O2 + MnO2 + KOH =>
3 C3H6 + 2 KMnO4 + 4 H2O = 3 C3H8O2 + 2 MnO2 + 2 KOH
K2CO3 + Mg(NO3)2 = K2(NO3)2 + MgCO3 =>
K2CO3 + Mg(NO3)2 = K2(NO3)2 + MgCO3
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