| Équations équilibrées la veille | Équations équilibrées le lendemain |
Pd(OH)2 + H2SO4 = PdSO4 + 2 H2O
Ca + HClO4 = Ca(ClO4) + CaCl2 + H2O =>
15 Ca + 16 HClO4 = 14 Ca(ClO4) + CaCl2 + 8 H2O
MnC2O4 + HNO3 = Mn(NO3)3 + H2O + CO2 + NO2 =>
MnC2O4 + 6 HNO3 = Mn(NO3)3 + 3 H2O + 2 CO2 + 3 NO2
C6H5NO2 + C6H1404 = C12H10N2 + C6H12O4 + H2O =>
350 C6H5NO2 + C6H1404 = 175 C12H10N2 + C6H12O4 + 696 H2O
Ca(Na3)2(aq) + SO4(aq) = CaSO4(s) + Na3(aq) =>
Ca(Na3)2(aq) + SO4(aq) = CaSO4(s) + 2 Na3(aq)
MnF6{2-} + SbF5 = MnF4 + SbF6{-} =>
MnF6{2-} + 2 SbF5 = MnF4 + 2 SbF6{-}
C9H18 = C9H12 + H2 =>
C9H18 = C9H12 + 3 H2
Ca + SO4 + H2O = CaSO4(H2O)2 =>
Ca + SO4 + 2 H2O = CaSO4(H2O)2
I2 + HIO3 + HCl = ICl + H2O =>
2 I2 + HIO3 + 5 HCl = 5 ICl + 3 H2O
NH3 + H2O = N2O + H2 =>
2 NH3 + H2O = N2O + 4 H2
Pr(CH3COO)3 + Na2CO3 = Pr2(CO3)3 + NaCH3COO =>
2 Pr(CH3COO)3 + 3 Na2CO3 = Pr2(CO3)3 + 6 NaCH3COO
Co(NO3)3 + Zn = Zn(NO3)2 + Co =>
2 Co(NO3)3 + 3 Zn = 3 Zn(NO3)2 + 2 Co
Mg + Na2CO3 = Mg(CO3)2 + Na =>
Mg + 2 Na2CO3 = Mg(CO3)2 + 4 Na
FeCl3 + Na2CO3 = CO2 + NaCl + Fe2O3 =>
2 FeCl3 + 3 Na2CO3 = 3 CO2 + 6 NaCl + Fe2O3
C2H5OH + H{+} + Cr2O7 = CH3CHO + Cr{3+} + H2O =>
4 C2H5OH + 6 H{+} + Cr2O7 = 4 CH3CHO + 2 Cr{3+} + 7 H2O
AlPO4 + H3O{+} = Al{3+} + H3PO4 + H2O =>
AlPO4 + 3 H3O{+} = Al{3+} + H3PO4 + 3 H2O
I{-} + Ag{+} = AgI =>
I{-} + Ag{+} = AgI
Mg + N2 = Mg3N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Pb + HNO3 = Pb(NO3)3 + NO + H2O =>
Pb + 4 HNO3 = Pb(NO3)3 + NO + 2 H2O
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Ba + CuSO4 = Cu + BaSO4 =>
Ba + CuSO4 = Cu + BaSO4
HI(aq) = H2(g) + I2(aq) =>
2 HI(aq) = H2(g) + I2(aq)
(NH4)3N + Pb(ClO3)2 = NH4ClO3 + (Pb)3(N)2 =>
2(NH4)3N + 3 Pb(ClO3)2 = 6 NH4ClO3 + (Pb)3(N)2
C3H7COOH + Fe = C3H7COOFe + H2 =>
2 C3H7COOH + 2 Fe = 2 C3H7COOFe + H2
Ba(OH)2 + O2 = BaO2 + H2O =>
2 Ba(OH)2 + O2 = 2 BaO2 + 2 H2O
C6H5K3O7 + H2O = KOH + C6H8O7 =>
C6H5K3O7 + 3 H2O = 3 KOH + C6H8O7
Mg(s) + H2O(g) = Mg(OH)2(aq) + H2(g) =>
Mg(s) + 2 H2O(g) = Mg(OH)2(aq) + H2(g)
Co2(SO4)3(aq) + KOH(aq) = Co(OH)3(s) + K2SO4(aq) =>
Co2(SO4)3(aq) + 6 KOH(aq) = 2 Co(OH)3(s) + 3 K2SO4(aq)
Ag(OH)2 + HCl = H2O + AgCl2 =>
Ag(OH)2 + 2 HCl = 2 H2O + AgCl2
S + H2SO4 = H2SO2 + SO2 =>
S + H2SO4 = H2SO2 + SO2
Al2(CO3)3(s) = Al2O3(s) + CO2(g) =>
Al2(CO3)3(s) = Al2O3(s) + 3 CO2(g)
C5H12O + Cr2O7{2-} + H{+} = C5H10O2 + Cr{3+} + H2O =>
3 C5H12O + 2 Cr2O7{2-} + 16 H{+} = 3 C5H10O2 + 4 Cr{3+} + 11 H2O
IO3{-} + SO3{2-} + H{+} = I2 + SO4{2-} + H2 =>
2 IO3{-} + 6 SO3{2-} + 2 H{+} = I2 + 6 SO4{2-} + H2
NH3 + H2O + Co(NO3)3 = Co(OH)3 + NH4NO3 =>
3 NH3 + 3 H2O + Co(NO3)3 = Co(OH)3 + 3 NH4NO3
KOH + C12H20O4 = C12H18K2O4 + H2O =>
2 KOH + C12H20O4 = C12H18K2O4 + 2 H2O
HCl(aq) + HNO3(aq) + Sn(s) = NO2(g) + H2SnCl6(aq) + H2O(l) =>
6 HCl(aq) + 4 HNO3(aq) + Sn(s) = 4 NO2(g) + H2SnCl6(aq) + 4 H2O(l)
W + HF + HNO3 = WF6 + NO + H2O =>
W + 6 HF + 2 HNO3 = WF6 + 2 NO + 4 H2O
K2(SO4) + Pb(NO3)2 = PbSO4 + K(NO3) =>
K2(SO4) + Pb(NO3)2 = PbSO4 + 2 K(NO3)
Mn2 + O2 = Mn3O4 =>
3 Mn2 + 4 O2 = 2 Mn3O4
CuS + FeCl3 = CuCl2 + Fe2S3 =>
3 CuS + 2 FeCl3 = 3 CuCl2 + Fe2S3
CH3CH2COCH3 + HCN = CH3CH2COH(CN)CH3 =>
CH3CH2COCH3 + HCN = CH3CH2COH(CN)CH3
Pb{+2} + SiO3{-2} = Pb2(SiO3)2 =>
2 Pb{+2} + 2 SiO3{-2} = Pb2(SiO3)2
KCl + F2 = FCl2 + K =>
4 KCl + F2 = 2 FCl2 + 4 K
H2CO3(aq) = H2O(l)CO2(g) =>
H2CO3(aq) = H2O(l)CO2(g)
Cu + FeCl3 = FeCl2 + CuCl2 =>
Cu + 2 FeCl3 = 2 FeCl2 + CuCl2
Ce(IO3)4 + H2C2O4 = Ce2(C3O4)3 + I2 + CO2 + H2O =>
2 Ce(IO3)4 + 30 H2C2O4 = Ce2(C3O4)3 + 4 I2 + 51 CO2 + 30 H2O
CH3Co2H + NaOH = CH3Co2Na + H2O =>
CH3Co2H + NaOH = CH3Co2Na + H2O
K2Cr2O7 + H2O + S = KOH + Cr2O + SO =>
K2Cr2O7 + H2O + 5 S = 2 KOH + Cr2O + 5 SO
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