Équations équilibrées la veille |
2 CI2 + 3 O2 = 2 CI2O3
HNO3 + N2H4 = N2 + H2O =>
4 HNO3 + 5 N2H4 = 7 N2 + 12 H2O
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
Na2SiO3 = Na + Si + O3 =>
Na2SiO3 = 2 Na + Si + O3
(NH4)NO3(s) = N2O(g) + H2O(l) =>
(NH4)NO3(s) = N2O(g) + 2 H2O(l)
CH2CHCH3 + KMnO4 + H2O = CH3CHOHCH2OH + MnO2 + KOH =>
3 CH2CHCH3 + 2 KMnO4 + 4 H2O = 3 CH3CHOHCH2OH + 2 MnO2 + 2 KOH
CH4O + O2 = CO2 + H2O =>
2 CH4O + 3 O2 = 2 CO2 + 4 H2O
Cu(NO3)2 + Li2S = LiNO3 + CuS =>
Cu(NO3)2 + Li2S = 2 LiNO3 + CuS
Sb + Br2 = SbBr3 =>
2 Sb + 3 Br2 = 2 SbBr3
SO2 + Na(OH) = Na2SO3 + H2O =>
SO2 + 2 Na(OH) = Na2SO3 + H2O
KBrO3 + KBr + H2SO4 = Br2 + H2O + K2SO4 =>
KBrO3 + 5 KBr + 3 H2SO4 = 3 Br2 + 3 H2O + 3 K2SO4
MnSO4 + KNO3 + KOH = K2MnO4 + KNO2 + K2SO4 + H2O =>
MnSO4 + 2 KNO3 + 4 KOH = K2MnO4 + 2 KNO2 + K2SO4 + 2 H2O
Pb(OH)2 + KOH = K2[Pb(OH)4] =>
Pb(OH)2 + 2 KOH = K2[Pb(OH)4]
Zn + KNO3 + H2O = NH3 + Zn(NO3)2 + KOH =>
4 Zn + 9 KNO3 + 6 H2O = NH3 + 4 Zn(NO3)2 + 9 KOH
FeSO4 + H2S = Fe(OH)2 + S + H2O =>
FeSO4 + 3 H2S = Fe(OH)2 + 4 S + 2 H2O
P4(l) + O2(g) + H2O(l) = H3PO4(l) =>
P4(l) + 5 O2(g) + 6 H2O(l) = 4 H3PO4(l)
Bi + O2 = Bi2O3(s) =>
4 Bi + 3 O2 = 2 Bi2O3(s)
Fe2(SO4)3 + Na2S + H2O = Fe(OH)3 + H2S + Na2SO4 =>
Fe2(SO4)3 + 3 Na2S + 6 H2O = 2 Fe(OH)3 + 3 H2S + 3 Na2SO4
Na2SO4 = Na + S8 + O2 =>
8 Na2SO4 = 16 Na + S8 + 16 O2
Ba(OH)2 + NaHSO4 = BaSO4 + NaOH + H2O =>
Ba(OH)2 + NaHSO4 = BaSO4 + NaOH + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO2(g) + H2O(l) =>
Cu(s) + 4 HNO3(aq) = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
H2SO4 + K2Cr2O7 + I2 = K2SO4 + Cr2(SO4)3 + H2O + KIO3 =>
17 H2SO4 + 5 K2Cr2O7 + 3 I2 = 2 K2SO4 + 5 Cr2(SO4)3 + 17 H2O + 6 KIO3
KCl + NH4F = KF + NH4Cl =>
KCl + NH4F = KF + NH4Cl
(CH3)3N + HNO3 = (CH3)3NHNO3 =>
(CH3)3N + HNO3 = (CH3)3NHNO3
Al(HSO3)3 + HNO3 = Al(NO3)3 + SO2 + H2O =>
Al(HSO3)3 + 3 HNO3 = Al(NO3)3 + 3 SO2 + 3 H2O
Al + Fe2Cl = AlCl3 + Fe =>
Al + 3 Fe2Cl = AlCl3 + 6 Fe
He2 + Zn = ZnHe2 =>
He2 + Zn = ZnHe2
Al2(SO4)3 + NaAsO2 = Al(AsO2)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaAsO2 = 2 Al(AsO2)3 + 3 Na2SO4
H2S + Fe(OH)3 = FeS + S + H2O =>
3 H2S + 2 Fe(OH)3 = 2 FeS + S + 6 H2O
Cr4C3 + O2 = Cr2O3 + C =>
Cr4C3 + 3 O2 = 2 Cr2O3 + 3 C
H3PO4 + C = P4 + CO + H2O =>
4 H3PO4 + 10 C = P4 + 10 CO + 6 H2O
Fe + C + H2O = FeCH2 + FeO =>
2 Fe + C + H2O = FeCH2 + FeO
Cu3AsS4 + NaOH + NaClO = CuO + Na3AsO4 + Na2SO4 + NaCl + H2O =>
2 Cu3AsS4 + 22 NaOH + 35 NaClO = 6 CuO + 2 Na3AsO4 + 8 Na2SO4 + 35 NaCl + 11 H2O
SO2 + Br2 + H2O = HBr + H2SO4 =>
SO2 + Br2 + 2 H2O = 2 HBr + H2SO4
CrCl3 + Na2HPO4 = NaCl + CrPO4 + NaH2PO4 =>
CrCl3 + 2 Na2HPO4 = 3 NaCl + CrPO4 + NaH2PO4
NH4Cl + Ba3(PO4)2 = (NH4)3PO4 + BaCl2 =>
6 NH4Cl + Ba3(PO4)2 = 2(NH4)3PO4 + 3 BaCl2
Si3H9N + O2 = SiO2 + H2O + NO =>
4 Si3H9N + 23 O2 = 12 SiO2 + 18 H2O + 4 NO
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H2O + Cr(OH3) = Cr(OH)3 + H2 =>
2 H2O + Cr(OH3) = Cr(OH)3 + 2 H2
HCl + Ag(OH) = AgCl + H2O =>
HCl + Ag(OH) = AgCl + H2O
C6H5CH2COOH + O2 = CO2 + H2O =>
C6H5CH2COOH + 9 O2 = 8 CO2 + 4 H2O
H2 + CaO = H2O + Ca =>
H2 + CaO = H2O + Ca
NaOH + Ca(OH)2 = NaCa + H2O2 =>
2 NaOH + 2 Ca(OH)2 = 2 NaCa + 3 H2O2
CO2 + H2 = CH4 + H2O =>
CO2 + 4 H2 = CH4 + 2 H2O
BiF3 + ClF3 = BiF5 + ClF =>
BiF3 + ClF3 = BiF5 + ClF
Li + At = LiAt =>
Li + At = LiAt
H2S + Fe(OH)3 = Fe + S(s) + H2O =>
3 H2S + 2 Fe(OH)3 = 2 Fe + 3 S(s) + 6 H2O
MgI2 + Pb(NO3)2 = Mg(NO3)2 + PbI2 =>
MgI2 + Pb(NO3)2 = Mg(NO3)2 + PbI2
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