Équations équilibrées la veille |
HCl + BaO = BaCl + OH
SO3 + CaCl2 = CaSO3 + Cl =>
SO3 + CaCl2 = CaSO3 + 2 Cl
NO2 + H2O = N20 + HNO3 =>
100 NO2 + 40 H2O = N20 + 80 HNO3
Br{-} + Sr{+2} = Br2Sr =>
2 Br{-} + Sr{+2} = Br2Sr
NH4 + HF = NH4F + H2 =>
2 NH4 + 2 HF = 2 NH4F + H2
CO2 + Ba(OH)2 = Ba(HCO3)2 =>
2 CO2 + Ba(OH)2 = Ba(HCO3)2
NBr3 + NaOH = N2 + NaBr + HBrO =>
2 NBr3 + 3 NaOH = N2 + 3 NaBr + 3 HBrO
CH3CHO + KMnO4 + H2SO4 = CH3COOH + Mn2SO4 + K2SO4 + H2O =>
6 CH3CHO + 2 KMnO4 + 2 H2SO4 = 6 CH3COOH + Mn2SO4 + K2SO4 + 2 H2O
Na + HOH = H + NaOH =>
Na + HOH = H + NaOH
PbBr3 = Pb + Br2 =>
2 PbBr3 = 2 Pb + 3 Br2
ZnOH2H2SO4 = ZnH2SO4H2O =>
ZnOH2H2SO4 = ZnH2SO4H2O
Co(SO4) + KI + KIO3 + H2O = Co(OH)2 + K2(SO4) + I2 =>
3 Co(SO4) + 5 KI + KIO3 + 3 H2O = 3 Co(OH)2 + 3 K2(SO4) + 3 I2
I2 + HF = I2F + H2 =>
2 I2 + 2 HF = 2 I2F + H2
Al2(SO4)3 + KOH = K2SO4 + Al(OH)3 =>
Al2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Al(OH)3
Mn(NO3)2 + Fe(OH)2 = Mn(OH)2 + Fe(NO3)2 =>
Mn(NO3)2 + Fe(OH)2 = Mn(OH)2 + Fe(NO3)2
NaSO4 + AgOH = NaOH + AgSO4 =>
NaSO4 + AgOH = NaOH + AgSO4
H2SO4 + Na = H2 + Na2SO4 =>
H2SO4 + 2 Na = H2 + Na2SO4
C2H4 + H2O = C2H6 + CO =>
5 C2H4 + 2 H2O = 4 C2H6 + 2 CO
C6H5CH3 + HBr = C6H6Br3 + CH3Br =>
3 C6H5CH3 + 15 HBr = 2 C6H6Br3 + 9 CH3Br
C3Cl2N3NaO3 + HCl = C3H3N3O3 + NaCl + Cl2 =>
C3Cl2N3NaO3 + 3 HCl = C3H3N3O3 + NaCl + 2 Cl2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
AgNO3 + K2CO3 = NO3K2 + AgCO3 =>
AgNO3 + K2CO3 = NO3K2 + AgCO3
NaSO4 + AgOH = NaOH + AgSO4 =>
NaSO4 + AgOH = NaOH + AgSO4
FeOHCl2 + H2SO4 = FeCl3 + Fe2(SO4)3 + H2O =>
6 FeOHCl2 + 3 H2SO4 = 4 FeCl3 + Fe2(SO4)3 + 6 H2O
BO = OB =>
BO = OB
Mn3O4 + H2SO4 = MnSO4 + H2O + O2 =>
2 Mn3O4 + 6 H2SO4 = 6 MnSO4 + 6 H2O + O2
Cr(OH)2 + H2SO4 = H2Cr(SO4)2 + H2O =>
Cr(OH)2 + 2 H2SO4 = H2Cr(SO4)2 + 2 H2O
(COO)2Na2 + Pb(C2H3O2)2 = (COO)2Pb + NaC2H3O2 =>
(COO)2Na2 + Pb(C2H3O2)2 = (COO)2Pb + 2 NaC2H3O2
PJ3 + H2O = H3PO3 + HJ =>
PJ3 + 3 H2O = H3PO3 + 3 HJ
NaSO4 + AgOH = NaOH + AgSO4 =>
NaSO4 + AgOH = NaOH + AgSO4
Ca + H2O(aq) = Ca(OH)2(aq) + H2(aq) =>
Ca + 2 H2O(aq) = Ca(OH)2(aq) + H2(aq)
HI + H2O = HIO3 + H2 =>
HI + 3 H2O = HIO3 + 3 H2
CaCl2 + KCO3 = KCl + Ca(CO3)2 =>
CaCl2 + 2 KCO3 = 2 KCl + Ca(CO3)2
CS2 + NaOH = Na2CS3 + Na2CO3 + H2O =>
3 CS2 + 6 NaOH = 2 Na2CS3 + Na2CO3 + 3 H2O
NaNO3 + NaHCO3 = HNO3 + Na2CO3 =>
NaNO3 + NaHCO3 = HNO3 + Na2CO3
As2S + Cl2 + H2O = H3AsO + H2SO4 + HCl =>
As2S + 2 Cl2 + 6 H2O = 2 H3AsO + H2SO4 + 4 HCl
O2 + Cl = O3Cl2 =>
3 O2 + 4 Cl = 2 O3Cl2
Fe + O2 + H2O = Fe2O2*5H2O =>
2 Fe + O2 + 5 H2O = Fe2O2*5H2O
NH4Cl + H2SO4 = (NH4)2(SO4) + HCl =>
2 NH4Cl + H2SO4 = (NH4)2(SO4) + 2 HCl
SPO4 + CaNO2 = SNO2 + CaPO4 =>
SPO4 + CaNO2 = SNO2 + CaPO4
H2MnO3 + Mn(OH)3 = Mn2(MnO3)3 + H2O =>
3 H2MnO3 + 2 Mn(OH)3 = Mn2(MnO3)3 + 6 H2O
CH3COOH + CH3CH2OH = CH3CH2OCH3CO + H2O =>
CH3COOH + CH3CH2OH = CH3CH2OCH3CO + H2O
BaCl2CO2H2O = BaCO3Cl2H2 =>
BaCl2CO2H2O = BaCO3Cl2H2
Ga(OH)3 + H3PO4 = (GaOH)3(PO4)2 + H2O =>
3 Ga(OH)3 + 2 H3PO4 = (GaOH)3(PO4)2 + 6 H2O
C6H14 + O2 = (CO2) + (H2O) =>
2 C6H14 + 19 O2 = 12(CO2) + 14(H2O)
S + P = SP =>
S + P = SP
C7H16O = C7H14 + H2O =>
C7H16O = C7H14 + H2O
(d)CH4(g) + Br2(g) = CBr4(l) + HBr(g) =>
(d)CH4(g) + 4 Br2(g) = CBr4(l) + 4 HBr(g)
H2(SO4) + NH3 = N2(SO4)3 + H3H3 =>
3 H2(SO4) + 2 NH3 = N2(SO4)3 + 2 H3H3
Mn + S = Mn2S3 =>
2 Mn + 3 S = Mn2S3
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