| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 K(aq) + 2 H2O(l) = 2 KOH(s) + H2(g)
NH4(NO3) = N2O + H2O =>
NH4(NO3) = N2O + 2 H2O
I + O = I2O5 =>
2 I + 5 O = I2O5
Ba(NO3)2 + CuCrO4 = BaCrO4 + Cu(NO3)2 =>
Ba(NO3)2 + CuCrO4 = BaCrO4 + Cu(NO3)2
Al(OH)3 + K2O + H2O = K3Al(OH)6 =>
2 Al(OH)3 + 3 K2O + 3 H2O = 2 K3Al(OH)6
AgNO3 + K2SO4 = Ag2SO4 + K2(NO3)2 =>
2 AgNO3 + K2SO4 = Ag2SO4 + K2(NO3)2
C6H5BrO + NaOH = C6H4BrONa + H2O =>
C6H5BrO + NaOH = C6H4BrONa + H2O
Fe{3+} + HSCN = Fe(SCN){2+} + H{+} =>
Fe{3+} + HSCN = Fe(SCN){2+} + H{+}
Al + CH4Cl = CH4 + Al4Cl =>
4 Al + CH4Cl = CH4 + Al4Cl
K2S2O3 + KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 =>
5 K2S2O3 + 8 KMnO4 + 7 H2SO4 = 7 H2O + 9 K2SO4 + 8 MnSO4
LiCl(s) + H2SO4(aq) = HCl(s) + Li2SO4(aq) =>
2 LiCl(s) + H2SO4(aq) = 2 HCl(s) + Li2SO4(aq)
S2Cl4 + H2O = HCl + S + SO2 =>
S2Cl4 + 2 H2O = 4 HCl + S + SO2
O2 + NH3 = H2O + H2(NO3) =>
7 O2 + 4 NH3 = 2 H2O + 4 H2(NO3)
C2H5OH + Na2CO3 = C2H5Na + CO2 + H2O =>
7 C2H5OH + 3 Na2CO3 = 6 C2H5Na + 5 CO2 + 6 H2O
NaOH + H2SO4(aq) = Na2SO4 + HOH =>
2 NaOH + H2SO4(aq) = Na2SO4 + 2 HOH
MgC + O3 = MgCO3 =>
MgC + O3 = MgCO3
GaO = Ga + O =>
GaO = Ga + O
CaCl2 + H3PO4 + NaOH = Ca3(PO4)2 + NaCl + H2O =>
3 CaCl2 + 2 H3PO4 + 6 NaOH = Ca3(PO4)2 + 6 NaCl + 6 H2O
MgCl2 + (NH4)2S = MgS + Cl(NH4) =>
MgCl2 + (NH4)2S = MgS + 2 Cl(NH4)
Na2CO3 + HC2H3O2 = NaC2H3O2 + CO2 + H2O =>
Na2CO3 + 2 HC2H3O2 = 2 NaC2H3O2 + CO2 + H2O
CuSO4 + HNO3 = Cu(NO3)2 + H2SO4 = =>
CuSO4 + 2 HNO3 = Cu(NO3)2 + H2SO4
HCl + H2WO4 + Zn = WO2OH + ZnCl2 + H2O =>
2 HCl + 2 H2WO4 + Zn = 2 WO2OH + ZnCl2 + 2 H2O
PBO2(S) = PBO(S) + O2 =>
2 PBO2(S) = 2 PBO(S) + O2
C2H4O + Cu(OH)2 = C2H4O2 + Cu2O + H2O =>
C2H4O + 2 Cu(OH)2 = C2H4O2 + Cu2O + 2 H2O
HPO3 + Br2 + H2O = Br2PO4 + HBr =>
2 HPO3 + 5 Br2 + 2 H2O = 2 Br2PO4 + 6 HBr
HBrO + Ca(OH)2 = Ca(BrO)2 + H2O =>
2 HBrO + Ca(OH)2 = Ca(BrO)2 + 2 H2O
H2SO4 + Ca3(PO4)2 = (CaSO4) + H3PO4 =>
3 H2SO4 + Ca3(PO4)2 = 3(CaSO4) + 2 H3PO4
Sb2Se3 + HNO3 + H2O = H3SbO4 + H2SeO4 + NO =>
3 Sb2Se3 + 28 HNO3 + 4 H2O = 6 H3SbO4 + 9 H2SeO4 + 28 NO
Cr(OH)3 = Cr2O3 + H2O =>
2 Cr(OH)3 = Cr2O3 + 3 H2O
Cr2O2 + ClO = CrO4 + Cl1 =>
Cr2O2 + 6 ClO = 2 CrO4 + 6 Cl1
Ca + ClSO4 = CaSO4 + Cl =>
Ca + ClSO4 = CaSO4 + Cl
sodiumhydroxide + Sulfuricacid = water + sodiumsulfate =>
2 NaOH + H2SO4 = 2 H2O + Na2SO4
O2 + Fe{2+} + H2O = Fe(OH){2+}{+} =>
O2 + 4 Fe{2+} + 2 H2O = 4 Fe(OH){2+}{+}
LiOH + CaF2 = Ca(OH)2 + LiF =>
2 LiOH + CaF2 = Ca(OH)2 + 2 LiF
Ag(NO3)2 + (NH4)2S = Ag2S + NH4(NO3)2 =>
2 Ag(NO3)2 + (NH4)2S = Ag2S + 2 NH4(NO3)2
CH3COOH + NH4OH = C2H3O2NH4 + H2O =>
CH3COOH + NH4OH = C2H3O2NH4 + H2O
O2 + CCl4 = COCl2 + Cl2 =>
O2 + 2 CCl4 = 2 COCl2 + 2 Cl2
Pb(OH)2 + Na2S = Pb2S2 + OHNa =>
2 Pb(OH)2 + 2 Na2S = Pb2S2 + 4 OHNa
V2O5 + Zn + H2SO4 = VOSO4 + ZnSO4 + H2O =>
V2O5 + Zn + 3 H2SO4 = 2 VOSO4 + ZnSO4 + 3 H2O
CH4 + WO3 = W18O49 + H2O + CO2 =>
5 CH4 + 72 WO3 = 4 W18O49 + 10 H2O + 5 CO2
C8H18(i) + O2(g) = CO3(g) + H2O(g) =>
2 C8H18(i) + 33 O2(g) = 16 CO3(g) + 18 H2O(g)
Na2CO3 + Pt2(S2O3)3 = Pt2(CO3)3 + Na2S2O3 =>
3 Na2CO3 + Pt2(S2O3)3 = Pt2(CO3)3 + 3 Na2S2O3
LiI + Pb(No3)2 = LiNo3(aq) + PbI2(s) =>
2 LiI + Pb(No3)2 = 2 LiNo3(aq) + PbI2(s)
Ca + H3PO4 = H2 + Ca2PO4 =>
4 Ca + 2 H3PO4 = 3 H2 + 2 Ca2PO4
Ca + H3Po4 = Ca3(Po)2 + H2 =>
12 Ca + 2 H3Po4 = 4 Ca3(Po)2 + 3 H2
CuSO4 + KHO = K2SO4 + Cu(OH)2 =>
CuSO4 + 2 KHO = K2SO4 + Cu(OH)2
ZnSO3 + NaOH = Na2SO3 + Zn(OH)2 =>
ZnSO3 + 2 NaOH = Na2SO3 + Zn(OH)2
H2SO4 + KBr = Br2 + SO2 + H2O + K2SO4 =>
2 H2SO4 + 2 KBr = Br2 + SO2 + 2 H2O + K2SO4
Cu(II)S + Zn = ZnS + Cu(II) =>
Cu(II)S + Zn = ZnS + Cu(II)
FeSO4 + K2MnO4 + H2SO4 = MnSO4 + H2O + Fe2(SO4)3 + K2SO4 =>
4 FeSO4 + K2MnO4 + 4 H2SO4 = MnSO4 + 4 H2O + 2 Fe2(SO4)3 + K2SO4
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