Équations équilibrées la veille |
CaCO3(ac) + 2 HCl(ac) = CaCl2(ac) + H2CO3(ac)
B2O3 + C = B4C + CO =>
2 B2O3 + 7 C = B4C + 6 CO
Co + H2SO4 = Co(SO4)2 + H2 =>
Co + 2 H2SO4 = Co(SO4)2 + 2 H2
CH3OH + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
CH3OH + K2Cr2O7 + 4 H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + 6 H2O
C7H5NO3 + C3H6O + HO{-} = C16H10N2O2 + CH3CO2{-} + H2O =>
2 C7H5NO3 + 2 C3H6O + 2 HO{-} = C16H10N2O2 + 2 CH3CO2{-} + 4 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Co(NO3)2 + H2O = Co(OH)2 + HNO3 =>
Co(NO3)2 + 2 H2O = Co(OH)2 + 2 HNO3
Ti + HNO3 + HCl = H2[TiCl6] + NO + H2O =>
3 Ti + 4 HNO3 + 18 HCl = 3 H2[TiCl6] + 4 NO + 8 H2O
K(s) + H2SO4(aq) = K2SO4 + H2 =>
2 K(s) + H2SO4(aq) = K2SO4 + H2
C6H12 + KMnO4 = C6H10O2 + MnO2 + KOH =>
C6H12 + 2 KMnO4 = C6H10O2 + 2 MnO2 + 2 KOH
Au + HF = AuF3 + H2 =>
2 Au + 6 HF = 2 AuF3 + 3 H2
P4O10(s) + H2O(l) = H3PO4(l) =>
P4O10(s) + 6 H2O(l) = 4 H3PO4(l)
Mg(s) + HCl(g) = MgCl2(l) + H2(g) =>
Mg(s) + 2 HCl(g) = MgCl2(l) + H2(g)
CH3CH2OH + H2O = CH3CH2O + H3O =>
CH3CH2OH + H2O = CH3CH2O + H3O
Zn(s) + O2(g) = ZnO(s) =>
2 Zn(s) + O2(g) = 2 ZnO(s)
C5H10(l) + O2 = CO2(g) + H2O(l) =>
2 C5H10(l) + 15 O2 = 10 CO2(g) + 10 H2O(l)
SrC2O4 + KMnO4 = Sr(MnO4)2 + K2C2O4 =>
SrC2O4 + 2 KMnO4 = Sr(MnO4)2 + K2C2O4
Ag + Au(No3)3 = AgNo3 + Au =>
3 Ag + Au(No3)3 = 3 AgNo3 + Au
Ag + Hg(NO3)2 = Ag(NO3)2 + Hg =>
Ag + Hg(NO3)2 = Ag(NO3)2 + Hg
(NH4)2Cu(SO4)2 + KI = (NH4)2Cu(I)4 + K2SO4 =>
(NH4)2Cu(SO4)2 + 4 KI = (NH4)2Cu(I)4 + 2 K2SO4
Fe{2+} + I{-} = Fe{+} + I2 =>
2 Fe{2+} + 2 I{-} = 2 Fe{+} + I2
C18H18 + O2 = CO2 + H2O =>
2 C18H18 + 45 O2 = 36 CO2 + 18 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Cu(ii) + CO3 = Cu(ii)O + CO2 =>
Cu(ii) + CO3 = Cu(ii)O + CO2
KI(aq) + Cl2(g) = KCl(aq) + I2(aq) =>
2 KI(aq) + Cl2(g) = 2 KCl(aq) + I2(aq)
CH2(OH)COOH + K2Cr2O7 + H2SO4 = (COOH)2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH2(OH)COOH + 2 K2Cr2O7 + 8 H2SO4 = 3(COOH)2 + 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O
Pd + HCl + HNO3 = H2PdCl6 + NO + H2O =>
3 Pd + 18 HCl + 4 HNO3 = 3 H2PdCl6 + 4 NO + 8 H2O
Ca(CH3COO)2 + NaHCO3 = NaCH3COO + CaCO3 + CO2 + H2O =>
Ca(CH3COO)2 + 2 NaHCO3 = 2 NaCH3COO + CaCO3 + CO2 + H2O
Cr + ClO = Cr2O7 + Cl =>
2 Cr + 7 ClO = Cr2O7 + 7 Cl
H2O + S8 = H2S + O2 =>
8 H2O + S8 = 8 H2S + 4 O2
CH2O + HNO3 = NO2 + HCOOH + H2O =>
CH2O + 2 HNO3 = 2 NO2 + HCOOH + H2O
Hg + FeCl3 = HgCl3 + Fe =>
Hg + FeCl3 = HgCl3 + Fe
K2SO4 = K2O + SO3 =>
K2SO4 = K2O + SO3
LiOH(aq) + CaCl2(aq) = LiCl + Ca(OH)2 =>
2 LiOH(aq) + CaCl2(aq) = 2 LiCl + Ca(OH)2
Na2CO3 + C2H4O2 = H2O + CO2 + Na =>
4 Na2CO3 + C2H4O2 = 2 H2O + 6 CO2 + 8 Na
Zn + K2Cr2O7 + H2SO4 = ZnSO4 + Cr2(SO4)3 + K2SO4 + H2O =>
3 Zn + K2Cr2O7 + 7 H2SO4 = 3 ZnSO4 + Cr2(SO4)3 + K2SO4 + 7 H2O
C6H12 + KMnO4 = C3H5O2K + MnO2 + H2O + KOH =>
3 C6H12 + 8 KMnO4 = 6 C3H5O2K + 8 MnO2 + 2 H2O + 2 KOH
CaSO4 + C = CaS + CO2 =>
CaSO4 + 2 C = CaS + 2 CO2
C6H6 + H2SO4 = C6H6SO3 + H2O =>
C6H6 + H2SO4 = C6H6SO3 + H2O
Hg + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + Hg2SO4 + K2SO4 + H2O =>
6 Hg + K2Cr2O7 + 7 H2SO4 = Cr2(SO4)3 + 3 Hg2SO4 + K2SO4 + 7 H2O
PCl3 + H2O = H3PO3 + HCl =>
PCl3 + 3 H2O = H3PO3 + 3 HCl
Ai + Cr2O3 = Ai2O2 + Cr =>
6 Ai + 2 Cr2O3 = 3 Ai2O2 + 4 Cr
Fe + S = Fe(S)3 =>
Fe + 3 S = Fe(S)3
C21H30O2 + O2 = CO2 + H2O =>
2 C21H30O2 + 55 O2 = 42 CO2 + 30 H2O
PbO(s) + O2(g) = PbO2(s) =>
2 PbO(s) + O2(g) = 2 PbO2(s)
H2S + CaO = CaH + SO2 =>
H2S + 2 CaO = 2 CaH + SO2
Na3[Cr(OH)6] + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O =>
2 Na3[Cr(OH)6] + 6 H2SO4 = Cr2(SO4)3 + 3 Na2SO4 + 12 H2O
ClO + Br = BrO + Cl =>
ClO + Br = BrO + Cl
Au + HF = AuF3 + H2 =>
2 Au + 6 HF = 2 AuF3 + 3 H2
LiNO3 = LiNO2 + O2 =>
2 LiNO3 = 2 LiNO2 + O2
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