Équations équilibrées la veille |
PbO2 + 4 KI + 4 HNO3 = PbI2 + I2 + 4 KNO3 + 2 H2O
PbO2 + CaCO3 = Pb(CO3)2 + CaO =>
PbO2 + 2 CaCO3 = Pb(CO3)2 + 2 CaO
HClO4 + Ba(OH)2 = Ba(ClO4)2 + H2O =>
2 HClO4 + Ba(OH)2 = Ba(ClO4)2 + 2 H2O
C = C4 =>
4 C = C4
Cr + OH = Cr(OH) =>
Cr + OH = Cr(OH)
CO2 + NaBr = NaCO2 + Br2 =>
2 CO2 + 2 NaBr = 2 NaCO2 + Br2
Sn(C2H3O2)2 + H2S = HC2H3O2 + SnS =>
Sn(C2H3O2)2 + H2S = 2 HC2H3O2 + SnS
C2H6O + C3H6O = C5H10O + H2O =>
C2H6O + C3H6O = C5H10O + H2O
Fe{2+} + K2Cr2O7 + H{+} = Fe{3+} + Cr{2+} + K{+} + H2O =>
8 Fe{2+} + K2Cr2O7 + 14 H{+} = 8 Fe{3+} + 2 Cr{2+} + 2 K{+} + 7 H2O
NH*3 = NH*4 =>
NH*3 = NH*4
C4H8O + H2 = C4H9OH =>
C4H8O + H2 = C4H9OH
CaSO4 + HCl = CaCl2 + H2SO4 =>
CaSO4 + 2 HCl = CaCl2 + H2SO4
FeCl3(aq) + CoCl2(aq) = FeCl2(aq) + CoCl3(aq) =>
FeCl3(aq) + CoCl2(aq) = FeCl2(aq) + CoCl3(aq)
SiO2 + Na = Si + NaO =>
SiO2 + 2 Na = Si + 2 NaO
HCl + KCl = HKCl2 =>
HCl + KCl = HKCl2
CaSiO3 + C = CaSi + CO =>
CaSiO3 + 3 C = CaSi + 3 CO
KCl + Hg2(NO3)2 = Hg2Cl2 + KNO3 =>
2 KCl + Hg2(NO3)2 = Hg2Cl2 + 2 KNO3
CuSO4 + Na2CO3 + H2O = (CuOH)2CO3 + Na2SO4 + CO2 =>
2 CuSO4 + 2 Na2CO3 + H2O = (CuOH)2CO3 + 2 Na2SO4 + CO2
BeO + Ca(OH)2 = CaBeO2 + H2O =>
BeO + Ca(OH)2 = CaBeO2 + H2O
C10H14 + C4H6O3 = C12H16O + CH3COOH =>
C10H14 + C4H6O3 = C12H16O + CH3COOH
CaCl2 + Na2SiO3 = CaSiO3 + NaCl =>
CaCl2 + Na2SiO3 = CaSiO3 + 2 NaCl
C2H6O = C4H6 + H2O + H2 =>
2 C2H6O = C4H6 + 2 H2O + H2
AgNO3 + SiO2 = AgSiO3 + NO2 =>
AgNO3 + SiO2 = AgSiO3 + NO2
CS2 + NO = CO + S + N =>
CS2 + NO = CO + 2 S + N
KOH + O3 = KO3 + H2O =>
6 KOH + 5 O3 = 6 KO3 + 3 H2O
KMnO4 + FeSO4 + H2O = MnO2 + Fe(OH)SO4 + KOH =>
KMnO4 + 3 FeSO4 + 2 H2O = MnO2 + 3 Fe(OH)SO4 + KOH
(NH4)2SO4 + Sr(OH)2 = NH3 + H2O + SrSO4 =>
(NH4)2SO4 + Sr(OH)2 = 2 NH3 + 2 H2O + SrSO4
C2H8(g) + O2(g) = CO2(g) + H2O(g) =>
C2H8(g) + 4 O2(g) = 2 CO2(g) + 4 H2O(g)
CH3CH2OK + H2O = CH3CH2OH + KOH =>
CH3CH2OK + H2O = CH3CH2OH + KOH
LiNO3 + Cu = Cu(NO3)2 + Li =>
2 LiNO3 + Cu = Cu(NO3)2 + 2 Li
BaCl2 + KI = BaI2 + KCl =>
BaCl2 + 2 KI = BaI2 + 2 KCl
Fe + Na2CO3 = FeCO3 + Na =>
Fe + Na2CO3 = FeCO3 + 2 Na
KCrO2 + Br2 + KOH = KBr + K2Cr2O7 + H2O =>
2 KCrO2 + 3 Br2 + 6 KOH = 6 KBr + K2Cr2O7 + 3 H2O
Mn + Br2 = MnBr =>
2 Mn + Br2 = 2 MnBr
P4 + KOH = PH3 + K3PO2 + H2O =>
P4 + 9 KOH = PH3 + 3 K3PO2 + 3 H2O
Au2O3 = Au + O2 =>
2 Au2O3 = 4 Au + 3 O2
CsOH + HCl = CsCl + H2O =>
CsOH + HCl = CsCl + H2O
C2H5(l) + O2(g) = CO2(g) + H2O(l) =>
4 C2H5(l) + 13 O2(g) = 8 CO2(g) + 10 H2O(l)
KCrO2 + PbO2 + KOH + H2O = K2[Pb(OH)4] + K2CrO4 =>
2 KCrO2 + 3 PbO2 + 8 KOH + 2 H2O = 3 K2[Pb(OH)4] + 2 K2CrO4
C2H5(s) + O2(g) = CO2(g) + H2O(g) =>
4 C2H5(s) + 13 O2(g) = 8 CO2(g) + 10 H2O(g)
C8H48 + O2 = CO2 + H2O =>
C8H48 + 20 O2 = 8 CO2 + 24 H2O
CH3COOK = K2CO3 + CH3COCH3 =>
2 CH3COOK = K2CO3 + CH3COCH3
NH4 + I = NI3 + H2 =>
NH4 + 3 I = NI3 + 2 H2
Li2O + HBr = LiBr + H2O =>
Li2O + 2 HBr = 2 LiBr + H2O
Ba(ClO3)2 + H2SO4 = BaSO4 + HClO3 =>
Ba(ClO3)2 + H2SO4 = BaSO4 + 2 HClO3
Ag + O = AgO =>
Ag + O = AgO
H3PO2 + Ca(OH)2 = Ca3(PO2)2 + H2O =>
2 H3PO2 + 3 Ca(OH)2 = Ca3(PO2)2 + 6 H2O
Si + Sr(OH)2 = SiOH + Sr =>
2 Si + Sr(OH)2 = 2 SiOH + Sr
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
SiC14 + Zn = Si + ZnC2 =>
SiC14 + 7 Zn = Si + 7 ZnC2
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