| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 K2CrO4 + 5 H2SO4 + 3 H2C2O4 = Cr2(SO4)3 + 2 K2SO4 + 6 CO2 + 8 H2O
Ca(NO3)2 + C6H8O7 = CaCO3 + CO2 + H2O + N =>
9 Ca(NO3)2 + 5 C6H8O7 = 9 CaCO3 + 21 CO2 + 20 H2O + 18 N
NaCl(aq) + Ag(s) = AgNa + Cl =>
NaCl(aq) + Ag(s) = AgNa + Cl
HCl + AIO3H3 = AICl3 + H2O =>
3 HCl + AIO3H3 = AICl3 + 3 H2O
CH3ONa + CH3CH2CH2CH2Br = CH3OCH2CH2CH2CH3 + NaBr =>
CH3ONa + CH3CH2CH2CH2Br = CH3OCH2CH2CH2CH3 + NaBr
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
KCNS + Fe(NO3)3 = KNO3 + Fe(CNS)3 =>
3 KCNS + Fe(NO3)3 = 3 KNO3 + Fe(CNS)3
P2O5 + K(OH)2 = P(OH)2 + K2O5 =>
P2O5 + 2 K(OH)2 = 2 P(OH)2 + K2O5
NaHCO3(s) + H3PO4(aq) = Na2HPO4(aq) + H2O(l) + CO2(g) =>
2 NaHCO3(s) + H3PO4(aq) = Na2HPO4(aq) + 2 H2O(l) + 2 CO2(g)
K2SO4(aq) + NaNO3(aq) = KNO3 + Na2SO4 =>
K2SO4(aq) + 2 NaNO3(aq) = 2 KNO3 + Na2SO4
C3H8O + CH3CH2COOH = CH3CH2C(O)OC3H7 + H2O =>
C3H8O + CH3CH2COOH = CH3CH2C(O)OC3H7 + H2O
Ca2(PO4)3 + Si4O2 + C = P + Ca2Si(O3)2 + CO2 =>
4 Ca2(PO4)3 + Si4O2 + 13 C = 12 P + 4 Ca2Si(O3)2 + 13 CO2
Fe(NH4)2(SO4)2*6H2O + H2C2O4 + K2C2O4 + H2O2 = (NH4)2SO4 + H2O + H2SO4 + K9Fe3(C2O4)9*9H2O =>
6 Fe(NH4)2(SO4)2*6H2O + 9 H2C2O4 + 9 K2C2O4 + 3 H2O2 = 6(NH4)2SO4 + 24 H2O + 6 H2SO4 + 2 K9Fe3(C2O4)9*9H2O
H2C204 + NaOH = Na2C204 + H2O =>
H2C204 + 2 NaOH = Na2C204 + 2 H2O
Mo(OH)5 + H2SO4 = Mo2(SO4)5 + H2O =>
2 Mo(OH)5 + 5 H2SO4 = Mo2(SO4)5 + 10 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
PbO2 + H2O = Pb(OH)4 =>
PbO2 + 2 H2O = Pb(OH)4
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Hydrochloricacid + oxygen = water + chlorine =>
4 HCl + O2 = 2 H2O + 2 Cl2
C6H4Cl2 + O2 = CO + H2O + HCl =>
2 C6H4Cl2 + 7 O2 = 12 CO + 2 H2O + 4 HCl
(C81H92O28)10 = C59H35O7 + CO2 + H2 =>
111(C81H92O28)10 = 1340 C59H35O7 + 10850 CO2 + 27610 H2
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
H2Te + Au(OH)3 = Au2Te3 + H2O =>
3 H2Te + 2 Au(OH)3 = Au2Te3 + 6 H2O
KOH + Co3(PO4)2 = K3PO4 + Co(OH)2 =>
6 KOH + Co3(PO4)2 = 2 K3PO4 + 3 Co(OH)2
Br + HI = I2 + HBr =>
2 Br + 2 HI = I2 + 2 HBr
NaOH(s) + HCl(g) = NaCl + H2O =>
NaOH(s) + HCl(g) = NaCl + H2O
Fe2O3 + H2SO4 + H2O = [Fe(H2O)6]2(SO4)3 =>
Fe2O3 + 3 H2SO4 + 9 H2O = [Fe(H2O)6]2(SO4)3
H2S + Al2(CO3)3 = Al2S3 + H2CO3 =>
3 H2S + Al2(CO3)3 = Al2S3 + 3 H2CO3
BaCl2 + SO2 = BaSO4 + Cl2S =>
BaCl2 + 2 SO2 = BaSO4 + Cl2S
H2O + S2O3{-2} + Cl2 = SO4{-2} + Cl{-} + H{+} =>
5 H2O + S2O3{-2} + 4 Cl2 = 2 SO4{-2} + 8 Cl{-} + 10 H{+}
Cf + O = Cf2O3 =>
2 Cf + 3 O = Cf2O3
K2CO3 + NH4NO3 = K2NO3 + CO3NH4 =>
K2CO3 + NH4NO3 = K2NO3 + CO3NH4
H2O2 + C = CO2 + H =>
H2O2 + C = CO2 + 2 H
CH3CHOHCOONH4 + HCl = CH3CHOHCOOH + NH4Cl =>
CH3CHOHCOONH4 + HCl = CH3CHOHCOOH + NH4Cl
C7H8O + KMnO4 = C7H6O2 + MnO2 + H2O + KOH =>
3 C7H8O + 4 KMnO4 = 3 C7H6O2 + 4 MnO2 + H2O + 4 KOH
PCl5 + H2SO4 = ClSO2OH + POCl3 + HCl =>
PCl5 + H2SO4 = ClSO2OH + POCl3 + HCl
Ca(OH)2 + C20H14O4 + HCl = C2H3O2 + CaClOH2 =>
16 Ca(OH)2 + C20H14O4 + 16 HCl = 10 C2H3O2 + 16 CaClOH2
C2H5OH + CaCl2O = CH3CHO + CaCl2 + H2O =>
C2H5OH + CaCl2O = CH3CHO + CaCl2 + H2O
H8C4O2(l) + O2(g) = H2O(l) + CO2(g) =>
H8C4O2(l) + 5 O2(g) = 4 H2O(l) + 4 CO2(g)
KOH + Mn(CH3CO2)2 = KCH3CO2 + Mn(OH)2 =>
2 KOH + Mn(CH3CO2)2 = 2 KCH3CO2 + Mn(OH)2
HF + HBO2 = BF3 + H2O =>
3 HF + HBO2 = BF3 + 2 H2O
NaOH + CH3COOH = NaCH3 + COOHOH =>
NaOH + CH3COOH = NaCH3 + COOHOH
Na2SO3 + AgNO3 = Ag2SO3 + NaNO3 =>
Na2SO3 + 2 AgNO3 = Ag2SO3 + 2 NaNO3
Al3 + I2 = AlI =>
2 Al3 + 3 I2 = 6 AlI
KI + N2H6SO4 = K2SO4 + I2 + NH3 =>
2 KI + N2H6SO4 = K2SO4 + I2 + 2 NH3
Na2CrO4 + NH3 + H2O = Cr(OH)3 + NaNO3 + NaOH =>
8 Na2CrO4 + 3 NH3 + 14 H2O = 8 Cr(OH)3 + 3 NaNO3 + 13 NaOH
C16H31O2Na + H3PO4 = C16H32O2 + Na2HPO4 =>
2 C16H31O2Na + H3PO4 = 2 C16H32O2 + Na2HPO4
Na3PO4 + NH4C2H3O2 = (NH4)3PO4 + Na(C2H3O2) =>
Na3PO4 + 3 NH4C2H3O2 = (NH4)3PO4 + 3 Na(C2H3O2)
PbI2 + Ag(NO3) = Pb(NO3)2 + AgI =>
PbI2 + 2 Ag(NO3) = Pb(NO3)2 + 2 AgI
HMnO4 + AsH3 + H2(SO4) = H3AsO4 + Mn(SO4) + H2O =>
8 HMnO4 + 5 AsH3 + 8 H2(SO4) = 5 H3AsO4 + 8 Mn(SO4) + 12 H2O
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