| Équations équilibrées la veille | Équations équilibrées le lendemain |
V2O5 + (NH4)2SO4 = (VO2)2SO4 + 2 NH3 + H2O
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
F2 + H2O = OF2 + HF =>
2 F2 + H2O = OF2 + 2 HF
KClO3 + CrCl3 + KOH = KCl + K2CrO4 + H2O =>
KClO3 + 2 CrCl3 + 10 KOH = 7 KCl + 2 K2CrO4 + 5 H2O
Cs2O(s) + H2O(l) = CsOH =>
Cs2O(s) + H2O(l) = 2 CsOH
Li + H4P2O7 = Li(P2O7) + H2 =>
Li + H4P2O7 = Li(P2O7) + 2 H2
C6H8O7 + NaHCO3 = H2O + CO2 + NaC6H6O7 =>
17 C6H8O7 + 18 NaHCO3 = 23 H2O + 12 CO2 + 18 NaC6H6O7
Fe2(SO4)3 + Cu(CH3COO)2 = Fe2(CH3COO)2 + Cu(SO4)3 =>
Fe2(SO4)3 + Cu(CH3COO)2 = Fe2(CH3COO)2 + Cu(SO4)3
Ni + C4H8N2O2 = Ni(C4H8N2O2)2 =>
Ni + 2 C4H8N2O2 = Ni(C4H8N2O2)2
CrOBr2 + O2 = Cr2O3 + Br2 =>
4 CrOBr2 + O2 = 2 Cr2O3 + 4 Br2
Zn(CH3COO)2 + KOH = KCH3COO + Zn(OH)2 =>
Zn(CH3COO)2 + 2 KOH = 2 KCH3COO + Zn(OH)2
SiO2(s) + HF(aq) = SiF4(g) + H2O(l) =>
SiO2(s) + 4 HF(aq) = SiF4(g) + 2 H2O(l)
Na2SO3 + H3PO4 = Na3PO4 + SO2 + H2O =>
3 Na2SO3 + 2 H3PO4 = 2 Na3PO4 + 3 SO2 + 3 H2O
H3PO4 + Ca = H3 + Ca3(PO4)2 =>
2 H3PO4 + 3 Ca = 2 H3 + Ca3(PO4)2
Al3NO3 + HCl = Al3Cl + HNO3 =>
Al3NO3 + HCl = Al3Cl + HNO3
Cu(BrO3)2 + HI = CuI + I2 + Br2 + H2O =>
2 Cu(BrO3)2 + 24 HI = 2 CuI + 11 I2 + 2 Br2 + 12 H2O
ZnS + SiO2 = ZnSi + SO2 =>
ZnS + SiO2 = ZnSi + SO2
NaHCO3 + HC2H3O = NaC2H3O2 + H2CO3 =>
5 NaHCO3 + 4 HC2H3O = 5 NaC2H3O2 + 3 H2CO3
CH3OH + H2O = C + H3O =>
CH3OH + H2O = C + 2 H3O
(NH4)2Fe(SO4)2 + K2Cr2O7 + H2SO4 = CrSO4 + Fe2(SO4)3 + K2SO4 + (NH4)2SO4 + H2O =>
8(NH4)2Fe(SO4)2 + K2Cr2O7 + 7 H2SO4 = 2 CrSO4 + 4 Fe2(SO4)3 + K2SO4 + 8(NH4)2SO4 + 7 H2O
Sr + H3(PO3) = Sr3(PO3)2 + H2 =>
3 Sr + 2 H3(PO3) = Sr3(PO3)2 + 3 H2
C4H10 + Cl2(hv) = C4H9 + HCl =>
2 C4H10 + Cl2(hv) = 2 C4H9 + 2 HCl
[Cr(H2O)6]{+3} + NH3 = [Cr(NH3)6]{+3} + H2O =>
[Cr(H2O)6]{+3} + 6 NH3 = [Cr(NH3)6]{+3} + 6 H2O
Na2SiO3 + SO3 = Na2SO4 + SiO2 =>
Na2SiO3 + SO3 = Na2SO4 + SiO2
zincsulfate + strontiumchloride = zincchloride + SrSO4 =>
ZnSO4 + SrCl2 = ZnCl2 + SrSO4
Al2(SO4)3 + Ca3(PO4)2 = Al(PO4) + Ca(SO4) =>
Al2(SO4)3 + Ca3(PO4)2 = 2 Al(PO4) + 3 Ca(SO4)
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
NaHCO3 + C6H8O7 = CO2 + H2O + Na3C6H8O7 =>
18 NaHCO3 + 7 C6H8O7 = 24 CO2 + 13 H2O + 6 Na3C6H8O7
MoS2 + H2O = MoO4{2-} + SO4{2-} + H{+} + {-} =>
MoS2 + 12 H2O = MoO4{2-} + 2 SO4{2-} + 24 H{+} + 18e
NaH + B2H6 = NaBH4 =>
2 NaH + B2H6 = 2 NaBH4
HBr + AgOH = Ag(Br) + H2O =>
HBr + AgOH = Ag(Br) + H2O
ZnCl2(aq) + NH3(g) = Zn(NH3)2Cl2(s) =>
ZnCl2(aq) + 2 NH3(g) = Zn(NH3)2Cl2(s)
ZnSO4 + K2SiO3 = ZnSiO3 + K2SO4 =>
ZnSO4 + K2SiO3 = ZnSiO3 + K2SO4
C5H9O2N + H = CH4 + H2O + NH3 =>
C5H9O2N + 18 H = 5 CH4 + 2 H2O + NH3
Ba3(PO4)2 + K = K3(PO4) + Ba =>
Ba3(PO4)2 + 6 K = 2 K3(PO4) + 3 Ba
Ag2(SO4)3 + NaOH = Ag(OH)3 + Na2SO4 =>
Ag2(SO4)3 + 6 NaOH = 2 Ag(OH)3 + 3 Na2SO4
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Na2Co3(ac) + CaCl2(ac) = NaCl + CaCo3 =>
Na2Co3(ac) + CaCl2(ac) = 2 NaCl + CaCo3
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Na2(Zn(OH)4) + SO2 = Na2SO3 + Zn(OH)2 + H2O =>
Na2(Zn(OH)4) + SO2 = Na2SO3 + Zn(OH)2 + H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
KF = F + K =>
KF = F + K
MgCl2NH4OH = MgOHNH4Cl2 =>
MgCl2NH4OH = MgOHNH4Cl2
CO + CI2 = COCI2 =>
CO + CI2 = COCI2
FeNO3 + SOH = FeOH + SNO3 =>
FeNO3 + SOH = FeOH + SNO3
KHSO3 + Cl2 + H2O = KCl + HCl + H2SO4 =>
KHSO3 + Cl2 + H2O = KCl + HCl + H2SO4
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
HOCH2(CHOH)4CHO = CH3CH2OH + CO2 =>
HOCH2(CHOH)4CHO = 2 CH3CH2OH + 2 CO2
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