| Équations équilibrées la veille |
AgNO3KCH3COO = KNO3AgCH3COO
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Mn + CuC1 = Cu + MnC12 =>
Mn + 12 CuC1 = 12 Cu + MnC12
Zn + NiCO3 = ZnCO3 + Ni =>
Zn + NiCO3 = ZnCO3 + Ni
B + O2 = BO2 =>
B + O2 = BO2
N2 + O2 = N3O9 =>
3 N2 + 9 O2 = 2 N3O9
CaCO3 + C4H8O2 = C8H14CaO4 + CO2 + H2O =>
CaCO3 + 2 C4H8O2 = C8H14CaO4 + CO2 + H2O
K2(Cr2O7) + H2O + S = SO2 + K(OH) + Cr2O3 =>
2 K2(Cr2O7) + 2 H2O + 3 S = 3 SO2 + 4 K(OH) + 2 Cr2O3
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Al(OH)3 + NaOH = Al(OH)6 + Na =>
Al(OH)3 + 3 NaOH = Al(OH)6 + 3 Na
B + C1 = BC1 =>
B + C1 = BC1
Ca(NO3)2 + Ba(CO3) = Ca(CO3) + Ba(NO3)2 =>
Ca(NO3)2 + Ba(CO3) = Ca(CO3) + Ba(NO3)2
CuO + Cl2 = CuClO =>
2 CuO + Cl2 = 2 CuClO
As2O3(aq) + I2(s) + H2O(l) = As2O5(aq) + HI(aq) =>
As2O3(aq) + 2 I2(s) + 2 H2O(l) = As2O5(aq) + 4 HI(aq)
NF3 + H2O = HFO + NH3 =>
NF3 + 3 H2O = 3 HFO + NH3
Cu + CI + O2 = CuCO3 + I2 =>
2 Cu + 2 CI + 3 O2 = 2 CuCO3 + I2
H2S(g) + O2 = SO2 + H2O(g) =>
2 H2S(g) + 3 O2 = 2 SO2 + 2 H2O(g)
NaOH + Cl2 = NaCl + NaClO + H2O =>
2 NaOH + Cl2 = NaCl + NaClO + H2O
KNO3 + CuCl2 + NaOH = Cu(OH)2 + KCl + NaNO3 =>
2 KNO3 + CuCl2 + 2 NaOH = Cu(OH)2 + 2 KCl + 2 NaNO3
Mn + HCl = MnCl2 + H2 =>
Mn + 2 HCl = MnCl2 + H2
Pb(NO3)2(l) + K2CrO4(l) = PbCrO4(s) + KNO3(l) =>
Pb(NO3)2(l) + K2CrO4(l) = PbCrO4(s) + 2 KNO3(l)
Ti + O2 = TiO2 =>
Ti + O2 = TiO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
MnO4{-} + S2O3{2-} + H{+} = Mn{2+} + S4O6{2-} + H2O =>
2 MnO4{-} + 10 S2O3{2-} + 16 H{+} = 2 Mn{2+} + 5 S4O6{2-} + 8 H2O
Al + Ca(OH) = Al(OH)3 + Ca =>
Al + 3 Ca(OH) = Al(OH)3 + 3 Ca
Rb2S8 = Rb + S8 =>
Rb2S8 = 2 Rb + S8
Ca2CO3 + HCl = CaHCO3 + CaCl =>
Ca2CO3 + HCl = CaHCO3 + CaCl
CO2 + H2O = CH3CH2O + O2 =>
8 CO2 + 10 H2O = 4 CH3CH2O + 11 O2
Ba(OH)2(ag) + NiSO4(ag) = Ba(SO4) + Ni(OH)2 =>
Ba(OH)2(ag) + NiSO4(ag) = Ba(SO4) + Ni(OH)2
K4FeCN6 + KMnO4 + H2SO4 = Fe2(SO4)3 + Mn(SO4) + K2SO4 + HNO3 + CO2 + H2O =>
10 K4FeCN6 + 82 KMnO4 + 158 H2SO4 = 5 Fe2(SO4)3 + 82 Mn(SO4) + 61 K2SO4 + 60 HNO3 + 10 CO2 + 128 H2O
Mg(NO3)2 + Cr(OH)2 = Mg(OH)2 + Cr(NO3)2 =>
Mg(NO3)2 + Cr(OH)2 = Mg(OH)2 + Cr(NO3)2
CH3COOH + NaHCO3 = CHCOONa + CO2 + H2O =>
3 CH3COOH + 4 NaHCO3 = 4 CHCOONa + 2 CO2 + 6 H2O
CH3CH2C(CH3)C(CH3)CH2CH3 + KMnO4 + H2SO4 = CH3COCH3 + K2SO4 + MnSO4 + H2O =>
15 CH3CH2C(CH3)C(CH3)CH2CH3 + 16 KMnO4 + 24 H2SO4 = 40 CH3COCH3 + 8 K2SO4 + 16 MnSO4 + 24 H2O
NaVO3 + NH4Cl = NH4VO3 + NaCl =>
NaVO3 + NH4Cl = NH4VO3 + NaCl
Na2Se + AgNO3 = Ag2Se + NaNO3 =>
Na2Se + 2 AgNO3 = Ag2Se + 2 NaNO3
MnCl2 + H2O = Mn2O2 + HCl =>
2 MnCl2 + 2 H2O = Mn2O2 + 4 HCl
KNO3 + Zn + H2O = NH3 + Zn(OH)2 + KOH =>
KNO3 + 4 Zn + 6 H2O = NH3 + 4 Zn(OH)2 + KOH
S + NaOH = S(OH)2 + Na =>
S + 2 NaOH = S(OH)2 + 2 Na
N2H4 + ClO3{-} + {-}OH = NO3{-} + Cl{-} + H2O =>
3 N2H4 + 8 ClO3{-} + 6{-}OH = 6 NO3{-} + 8 Cl{-} + 6 H2O
Al(NO3)2 + NaOH = NaNO3 + Al(OH)2 =>
Al(NO3)2 + 2 NaOH = 2 NaNO3 + Al(OH)2
PbO + H2SO4 = PbO*PbSO4 + H2O =>
2 PbO + H2SO4 = PbO*PbSO4 + H2O
SO2 + K2O = K2SO2 + O =>
SO2 + K2O = K2SO2 + O
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
KI + CH2Cl2 = ICl2 + CH2K =>
KI + CH2Cl2 = ICl2 + CH2K
KNO3 + CuCl2 = Cu(NO3)2 + KCl =>
2 KNO3 + CuCl2 = Cu(NO3)2 + 2 KCl
HS + HMnO4 = S + MnO2 + H2O =>
3 HS + HMnO4 = 3 S + MnO2 + 2 H2O
Ag(NO3)(aq) + NaCl(aq) = AgCl(aq) + NaNO3(aq) =>
Ag(NO3)(aq) + NaCl(aq) = AgCl(aq) + NaNO3(aq)
RbHCO3 + H2SO4 = RbSO4 + H2 + CO3 =>
2 RbHCO3 + 2 H2SO4 = 2 RbSO4 + 3 H2 + 2 CO3
BrF3(aq) = Br2 + F3 =>
2 BrF3(aq) = Br2 + 2 F3
Al + HCl + H2O2 = AlCl3 + H2O =>
2 Al + 6 HCl + 3 H2O2 = 2 AlCl3 + 6 H2O
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