Équations équilibrées la veille |
2 NaHCO3 = Na2CO3 + CO2 + H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na2O + Zn(OH)2 + H2O = Na2(Zn(OH)4) =>
Na2O + Zn(OH)2 + H2O = Na2(Zn(OH)4)
Si4H10 + O2 = SiO2 + H2O =>
2 Si4H10 + 13 O2 = 8 SiO2 + 10 H2O
Pb(HCOO)2 + NaBr = PbBr2 + NaHCO2 =>
Pb(HCOO)2 + 2 NaBr = PbBr2 + 2 NaHCO2
C6H7NO2 + O2 = CO2 + H2O + NH3 =>
C6H7NO2 + 6 O2 = 6 CO2 + 2 H2O + NH3
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
Cr2(SO4)3 + BaCl2 = BaSO4 + CrCl3 =>
Cr2(SO4)3 + 3 BaCl2 = 3 BaSO4 + 2 CrCl3
HCl + BaO = BaOHCl =>
HCl + BaO = BaOHCl
CaCl2 + KSO4 = Ca(SO4)2 + KCl =>
CaCl2 + 2 KSO4 = Ca(SO4)2 + 2 KCl
MnHPO4 + CH3COOH = (CH3COO)2Mn + H3PO4 =>
MnHPO4 + 2 CH3COOH = (CH3COO)2Mn + H3PO4
NH4NO3 + BAsO4 = B(NO3)3 + (NH4)3AsO4 =>
3 NH4NO3 + BAsO4 = B(NO3)3 + (NH4)3AsO4
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Cu + HNOOO = CuNOOONOOO + NOO + HHO =>
Cu + 4 HNOOO = CuNOOONOOO + 2 NOO + 2 HHO
MnO + H3PO4 = MnPO4 + H3O =>
MnO + H3PO4 = MnPO4 + H3O
SnCl2 + K2CrO7 + HCl = H2[SnCl6] + KCl + CrCl + H2O =>
11 SnCl2 + 2 K2CrO7 + 50 HCl = 11 H2[SnCl6] + 4 KCl + 2 CrCl + 14 H2O
CoCO3 + H2O2 + NaHCO3 = Na3[Co(CO3)3] + H2O + CO2 =>
2 CoCO3 + H2O2 + 6 NaHCO3 = 2 Na3[Co(CO3)3] + 4 H2O + 2 CO2
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
(NH4)CO3 = NH3 + CO2 + H2O + NO2 =>
7(NH4)CO3 = 6 NH3 + 7 CO2 + 5 H2O + NO2
TiCl3 + F2 = Cl2 + TiF3 =>
2 TiCl3 + 3 F2 = 3 Cl2 + 2 TiF3
MnI2 + AgNO3 = AgI + Mn(NO3)2 =>
MnI2 + 2 AgNO3 = 2 AgI + Mn(NO3)2
HCl + NaCO3 = NaCl + H2 + CO3 =>
2 HCl + 2 NaCO3 = 2 NaCl + H2 + 2 CO3
Cr2(SO3)3 + Pb(C2H3O2)2 = Cr(C2H3O2)3 + PbSO3 =>
Cr2(SO3)3 + 3 Pb(C2H3O2)2 = 2 Cr(C2H3O2)3 + 3 PbSO3
NaHCO3 = Na2CO3 + H2O + CO2 =>
2 NaHCO3 = Na2CO3 + H2O + CO2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
LiNO3 = LiNO2 + O2 =>
2 LiNO3 = 2 LiNO2 + O2
CaO + Al(OH)3 = AlCa(OH)3 + O =>
CaO + Al(OH)3 = AlCa(OH)3 + O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
KNO3 + K = K2O + N2 =>
2 KNO3 + 10 K = 6 K2O + N2
Mn3O4 + Al = Al2O3 + Mn =>
3 Mn3O4 + 8 Al = 4 Al2O3 + 9 Mn
C3H4O + Ag2O = Ag + C3H4O2 =>
C3H4O + Ag2O = 2 Ag + C3H4O2
Se + O2 = Se2O3 =>
4 Se + 3 O2 = 2 Se2O3
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
PbS + CO2 = PbSO4 + CO =>
PbS + 4 CO2 = PbSO4 + 4 CO
N2Cl4 + CH4 = H + N + CCl12 =>
3 N2Cl4 + CH4 = 4 H + 6 N + CCl12
Cu(NH3)4(NO3)2 + HCl = Cu(NO3)2 + NH4Cl =>
Cu(NH3)4(NO3)2 + 4 HCl = Cu(NO3)2 + 4 NH4Cl
H2 + SO2 + NO = H2SO4 + N2O =>
H2 + SO2 + 4 NO = H2SO4 + 2 N2O
Mg + Fe2S3 = MgS + Fe =>
3 Mg + Fe2S3 = 3 MgS + 2 Fe
I2 + AsH3 + KOH = KI + As + H2O =>
3 I2 + 2 AsH3 + 6 KOH = 6 KI + 2 As + 6 H2O
HCl + KClO3 = KCl + HClO3 =>
HCl + KClO3 = KCl + HClO3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NO + O2 + H2O = HNO3 =>
4 NO + 3 O2 + 2 H2O = 4 HNO3
Ni(NO3)3 + Na2Cr2O7 = NaNO3 + Ni2(Cr2O7)3 =>
2 Ni(NO3)3 + 3 Na2Cr2O7 = 6 NaNO3 + Ni2(Cr2O7)3
Zn + Fe(CN)6 = Zn2[Fe(CN)6] =>
2 Zn + Fe(CN)6 = Zn2[Fe(CN)6]
H2 + SO2 + NO = H2SO4 + N2O =>
H2 + SO2 + 4 NO = H2SO4 + 2 N2O
KNO3 + Ca = Ca(NO3)2 + K =>
2 KNO3 + Ca = Ca(NO3)2 + 2 K
KO2 + H2O = O2 + KOH =>
4 KO2 + 2 H2O = 3 O2 + 4 KOH
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
BaCl2 + C6Na2O6 = NaCl + C6BaO6 =>
BaCl2 + C6Na2O6 = 2 NaCl + C6BaO6
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