| Équations équilibrées la veille |
6 HF + S = SF6 + 3 H2
Ca(NO3)2 + KHCO3 = Ca(HCO3)2 + KNO3 =>
Ca(NO3)2 + 2 KHCO3 = Ca(HCO3)2 + 2 KNO3
Pb(C2H3O3)2 + H2S = PbS + H(C2H3O3) =>
Pb(C2H3O3)2 + H2S = PbS + 2 H(C2H3O3)
N2O2 = NO =>
N2O2 = 2 NO
HC3H8O3 + O2 = CO2 + H2O =>
4 HC3H8O3 + 15 O2 = 12 CO2 + 18 H2O
PbS + Fe2O3 = Pb + Fe + SO2 =>
3 PbS + 2 Fe2O3 = 3 Pb + 4 Fe + 3 SO2
K3N + CrS = K2S + Cr3N2 =>
2 K3N + 3 CrS = 3 K2S + Cr3N2
FeCl3 + HCl = FeCl4{-} + H{+} =>
FeCl3 + HCl = FeCl4{-} + H{+}
CaO(c) + P2O5(c) + H2O(c) = Ca5(PO4)3(OH) =>
10 CaO(c) + 3 P2O5(c) + H2O(c) = 2 Ca5(PO4)3(OH)
C6H12O6(s) = C2H5OH(i) + CO2(g) =>
C6H12O6(s) = 2 C2H5OH(i) + 2 CO2(g)
KCH3COO = K + C + H2 + O2 =>
2 KCH3COO = 2 K + 4 C + 3 H2 + 2 O2
H2SO4 + KCI = HCI + K2SO4 =>
H2SO4 + 2 KCI = 2 HCI + K2SO4
KI + PbCrO4 + HCl = KCl + CrCl3 + PbCl2 + I2 + H2O =>
6 KI + 2 PbCrO4 + 16 HCl = 6 KCl + 2 CrCl3 + 2 PbCl2 + 3 I2 + 8 H2O
C2 + CuO = CO2 + Cu =>
C2 + 4 CuO = 2 CO2 + 4 Cu
CUOMg = MgOCU =>
CUOMg = MgOCU
NiCl2 + KSCN = [Ni(SCN)4] + K2Cl =>
NiCl2 + 4 KSCN = [Ni(SCN)4] + 2 K2Cl
Fe(III)CO3 = Fe(III)O3 + C =>
Fe(III)CO3 = Fe(III)O3 + C
H2O + NaI = HI + Na2O =>
H2O + 2 NaI = 2 HI + Na2O
NO2 + KOH = KNO3 + KNO2 + H2O =>
2 NO2 + 2 KOH = KNO3 + KNO2 + H2O
Na + HOH = Na(OH) + H2 =>
2 Na + 2 HOH = 2 Na(OH) + H2
KMnO4 + NaCO3 = KCO3 + NaMnO4 =>
KMnO4 + NaCO3 = KCO3 + NaMnO4
FeS2AuO = FeAuS2O =>
FeS2AuO = FeAuS2O
Na2SO4(ac) + BaCl2(ac) = BaSO4(s) + NaCl(ac) =>
Na2SO4(ac) + BaCl2(ac) = BaSO4(s) + 2 NaCl(ac)
CH3CH3 + HCl = CH3CH2Cl + H2 =>
CH3CH3 + HCl = CH3CH2Cl + H2
KMnO4 + KOH + Na2S2O3 = K2MnO4 + Na2S4O6 + NaOH =>
2 KMnO4 + 2 KOH + 2 Na2S2O3 = 2 K2MnO4 + Na2S4O6 + 2 NaOH
AgNO3 + Na2Cl2 = AgCl2 + Na2NO3 =>
AgNO3 + Na2Cl2 = AgCl2 + Na2NO3
Na2SO4 + NH4OH + AgNO3 = NaNO3 + (NH4)2SO4 + AgOH =>
Na2SO4 + 2 NH4OH + 2 AgNO3 = 2 NaNO3 + (NH4)2SO4 + 2 AgOH
Ca(OH)2 + Cr2O3 = Cr(OH)3 + CaO =>
3 Ca(OH)2 + Cr2O3 = 2 Cr(OH)3 + 3 CaO
Fe + HNO3 = Fe(NO3)3 + NH4NO2 + H2O =>
10 Fe + 36 HNO3 = 10 Fe(NO3)3 + 3 NH4NO2 + 12 H2O
S + Ba = Ba2S =>
S + 2 Ba = Ba2S
CuFeSO4 = CuSO4Fe =>
CuFeSO4 = CuSO4Fe
K2SO4(ag) + BaCl2(ag) = KCl + BaSO4 =>
K2SO4(ag) + BaCl2(ag) = 2 KCl + BaSO4
NaBr + (NH4)2C2O4 = Na2C2O4 + BrNH4 =>
2 NaBr + (NH4)2C2O4 = Na2C2O4 + 2 BrNH4
Pb(NO3)2(aq) + FeCl2(aq) = Fe(NO3)2(aq) + PbCl2(s) =>
Pb(NO3)2(aq) + FeCl2(aq) = Fe(NO3)2(aq) + PbCl2(s)
KS = SK =>
KS = SK
Fe{2-}O{3+} + CO = Fe{2+} + CO{2-} =>
Fe{2-}O{3+} + 2 CO = Fe{2+} + 2 CO{2-}
KBr + KMnO4 + H2SO4 = Br2 + MnSO4 + K2SO4 + H2O =>
10 KBr + 2 KMnO4 + 8 H2SO4 = 5 Br2 + 2 MnSO4 + 6 K2SO4 + 8 H2O
NH3 + H2O2 = H2O + N2 =>
2 NH3 + 3 H2O2 = 6 H2O + N2
Ba2CO3 + BaCl2 + SiO2 + Si3N4 + N2 = Ba19Si36O47N23Cl3 + CO2 =>
70 Ba2CO3 + 12 BaCl2 + 153 SiO2 + 45 Si3N4 + 2 N2 = 8 Ba19Si36O47N23Cl3 + 70 CO2
Pb(NO3)2 + KCl = KNO3 + PbCl2 =>
Pb(NO3)2 + 2 KCl = 2 KNO3 + PbCl2
NH4(SO4)KOH = K(SO4)NH4OH =>
NH4(SO4)KOH = K(SO4)NH4OH
AlCl3 + Na2SO4 = AlSO4 + Na2Cl3 =>
AlCl3 + Na2SO4 = AlSO4 + Na2Cl3
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
Cu3FeS3 + O2 = Cu + FeO + SO4 =>
2 Cu3FeS3 + 13 O2 = 6 Cu + 2 FeO + 6 SO4
CH3CH2Cl + Na(OH) = CH3CH2OH + NaCl =>
CH3CH2Cl + Na(OH) = CH3CH2OH + NaCl
C3H5(NO3)3(l) = N2(g) + CO(g) + H2O(g) + O2(g) =>
4 C3H5(NO3)3(l) = 6 N2(g) + 12 CO(g) + 10 H2O(g) + 7 O2(g)
CH3COO + Sr(OH)2 = Sr(CH3COO)2 + OH =>
2 CH3COO + Sr(OH)2 = Sr(CH3COO)2 + 2 OH
MgNH4OH = MgOHNH4 =>
MgNH4OH = MgOHNH4
FeZn + Fe(NO3)3 = Zn(NO3)2 + Fe =>
3 FeZn + 2 Fe(NO3)3 = 3 Zn(NO3)2 + 5 Fe
Ag2SO4 + KNO3 = AgNO3 + K2SO4 =>
Ag2SO4 + 2 KNO3 = 2 AgNO3 + K2SO4
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