| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NaOH + 2 KBr + K2CrO4 = Br2 + 2 KOH + K2CrO3 + Na2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
NO3{-} + SO2 = SO4{2-} + NO2 =>
2 NO3{-} + SO2 = SO4{2-} + 2 NO2
H2SeO4(aq) + SO2(g) = Se(s) + SO3(g) + H2O(l) =>
H2SeO4(aq) + 3 SO2(g) = Se(s) + 3 SO3(g) + H2O(l)
Cu + AgNO3 = Ag + Cu(NO3)2 =>
Cu + 2 AgNO3 = 2 Ag + Cu(NO3)2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Ga2O3 + SOCl2 = GaCl3 + SO2 =>
Ga2O3 + 3 SOCl2 = 2 GaCl3 + 3 SO2
({-}4x{-}3) = {-}6(5x{-}3)^2 =>
({-}4x{-}3) = {-}6(5x{-}3)^2
Al + CuSO4 = Al2(SO4)3 + Cu =>
2 Al + 3 CuSO4 = Al2(SO4)3 + 3 Cu
H3C6H5O7 + NaOH = H2O + Na + H2C6H5O7 =>
H3C6H5O7 + NaOH = H2O + Na + H2C6H5O7
(NH4)2SO4 + Ca(OH)2 = CaSO4 + H2O + NH3 =>
(NH4)2SO4 + Ca(OH)2 = CaSO4 + 2 H2O + 2 NH3
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
MgCO3 + KCl + CO2 + H2O = KHCO3*MgCO3*4H2O + MgCl2 =>
3 MgCO3 + 2 KCl + CO2 + 9 H2O = 2 KHCO3*MgCO3*4H2O + MgCl2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
CrO3 + HCl = CrCl3 + Cl2 + H2O =>
2 CrO3 + 12 HCl = 2 CrCl3 + 3 Cl2 + 6 H2O
ClO{-} + Mn(OH)2 = Cl{-} + MnO2 + H2O =>
ClO{-} + Mn(OH)2 = Cl{-} + MnO2 + H2O
NaHCO3 + CH3COOH(aq) = H2CO3 + NaCH3COO =>
NaHCO3 + CH3COOH(aq) = H2CO3 + NaCH3COO
SOCl2 + H2O = SO2 + HCl =>
SOCl2 + H2O = SO2 + 2 HCl
CH4N2O + H2O2 = HNO3 + CO2 + H2O =>
CH4N2O + 8 H2O2 = 2 HNO3 + CO2 + 9 H2O
Cu + KNO3 + H2SO4 = CuSO4 + KHSO4 + H2O + NO2 =>
Cu + 2 KNO3 + 3 H2SO4 = CuSO4 + 2 KHSO4 + 2 H2O + 2 NO2
Br2 + KBr = KBr3 =>
Br2 + KBr = KBr3
Fe + NH4OH = Fe(OH)3 + NH4 =>
Fe + 3 NH4OH = Fe(OH)3 + 3 NH4
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2
O3 + H16O2C11 = CO2 + H2O =>
28 O3 + 3 H16O2C11 = 33 CO2 + 24 H2O
CsNO3 + Cr(C2H3O2)3 = Cr(NO3)3 + CsC2H3O2 =>
3 CsNO3 + Cr(C2H3O2)3 = Cr(NO3)3 + 3 CsC2H3O2
Na2[Zn(OH)4] + H2SO4 = Zn(OH)2 + Na2SO4 + H2O =>
Na2[Zn(OH)4] + H2SO4 = Zn(OH)2 + Na2SO4 + 2 H2O
HC2H3O2(aq) + Mg(s) = Mg(C2H3O2)2(aq) + H2(g) =>
2 HC2H3O2(aq) + Mg(s) = Mg(C2H3O2)2(aq) + H2(g)
Ti2(CO3)3 = Ti2O3 + CO2 =>
Ti2(CO3)3 = Ti2O3 + 3 CO2
KMnO4 + CH3OH + H2SO4 = CH2O + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 5 CH3OH + 3 H2SO4 = 5 CH2O + K2SO4 + 2 MnSO4 + 8 H2O
SnCl2 + HgCl2 = SnCl4 + HgCl =>
SnCl2 + 2 HgCl2 = SnCl4 + 2 HgCl
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2 =>
NaHCO3 + CH3COOH = CH3COONa + H2O + CO2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
carbonmonoxide + hydrogen = methane + water =>
CO + 3 H2 = CH4 + H2O
K2Cr2O7 + FeSO4 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + H2O + K2SO4 =>
K2Cr2O7 + 6 FeSO4 + 7 H2SO4 = Cr2(SO4)3 + 3 Fe2(SO4)3 + 7 H2O + K2SO4
SOCl2 + H2O = SO2 + HCl =>
SOCl2 + H2O = SO2 + 2 HCl
FeO + NaOH = NaFeO2 + H =>
FeO + NaOH = NaFeO2 + H
C3H7H + O2 = CO2 + H2O =>
C3H7H + 5 O2 = 3 CO2 + 4 H2O
Fe2O3 + Cu = CuO + FeO =>
Fe2O3 + Cu = CuO + 2 FeO
Pb + Au(ClO3)3 = Pb(ClO3)3 + Au =>
Pb + Au(ClO3)3 = Pb(ClO3)3 + Au
KMnO4 + H2SO4 + Na2S2O3 = K2SO4 + Na2SO4 + MnSO4 + H2O =>
8 KMnO4 + 7 H2SO4 + 5 Na2S2O3 = 4 K2SO4 + 5 Na2SO4 + 8 MnSO4 + 7 H2O
Mg + O3 = Mg3O5 =>
9 Mg + 5 O3 = 3 Mg3O5
HCOOH + Na = (HCOONa) + H2 =>
2 HCOOH + 2 Na = 2(HCOONa) + H2
KCIO3 = KCI + O =>
KCIO3 = KCI + 3 O
Cu + KNO3 + H2SO4 = CuSO4 + KHSO4 + H2O + NO2 =>
Cu + 2 KNO3 + 3 H2SO4 = CuSO4 + 2 KHSO4 + 2 H2O + 2 NO2
KH(IO3)2 + Na2S2O3 = KHS2O3 + Na(IO3) =>
KH(IO3)2 + Na2S2O3 = KHS2O3 + 2 Na(IO3)
MgCl2 + Sn = SnCl + Mg =>
MgCl2 + 2 Sn = 2 SnCl + Mg
Ti2(CO3)3 = Ti2O3 + CO2 =>
Ti2(CO3)3 = Ti2O3 + 3 CO2
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