| Équations équilibrées la veille |
Ra + 2 HClO4 = Ra(ClO4)2 + H2
Zn{2+} + NH3 = Zn(NH3)4{2+} =>
Zn{2+} + 4 NH3 = Zn(NH3)4{2+}
He + H = H2He =>
He + 2 H = H2He
CuCl2 + AgNO3 = Cu(NO3)2 + AgCl = =>
CuCl2 + 2 AgNO3 = Cu(NO3)2 + 2 AgCl
Hg + I = Hg2I2 =>
2 Hg + 2 I = Hg2I2
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
K + H3PO4 = K3PO4 + H3 =>
3 K + H3PO4 = K3PO4 + H3
H2O + CO2 = H2 + HCO3 =>
2 H2O + 2 CO2 = H2 + 2 HCO3
H2SO4 + HCO3{-} = SO4{2-} + CO2 + H2O =>
H2SO4 + 2 HCO3{-} = SO4{2-} + 2 CO2 + 2 H2O
MoO4 + H = Mo7O24 + H2O =>
7 MoO4 + 8 H = Mo7O24 + 4 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
H2S + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + K2SO4 =>
3 H2S + 4 K2Cr2O7 + 13 H2SO4 = 4 Cr2(SO4)3 + 16 H2O + 4 K2SO4
C4H10FO2P = C + H + F + O2 + P =>
C4H10FO2P = 4 C + 10 H + F + O2 + P
H2S + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + K2SO4 =>
3 H2S + 4 K2Cr2O7 + 13 H2SO4 = 4 Cr2(SO4)3 + 16 H2O + 4 K2SO4
KMnO4 + Na2SO3 + H2SO4 = MnSO4 + Na2SO4 + K2SO4 + H2O =>
2 KMnO4 + 5 Na2SO3 + 3 H2SO4 = 2 MnSO4 + 5 Na2SO4 + K2SO4 + 3 H2O
MgSO4 + KPO4 = MgPO4 + KSO4 =>
MgSO4 + KPO4 = MgPO4 + KSO4
HCOOH + Na = (HCOO)Na + H =>
HCOOH + Na = (HCOO)Na + H
Nb2O5 + KOH = K3(NbO4) + H2O =>
Nb2O5 + 6 KOH = 2 K3(NbO4) + 3 H2O
Fe2O3 + NH3 = Fe + HNO3 + H2O =>
4 Fe2O3 + 3 NH3 = 8 Fe + 3 HNO3 + 3 H2O
KI + CuSO4 = KICuSO4 =>
KI + CuSO4 = KICuSO4
H3PO4 + CuO = Cu3(PO4)2 + H2O =>
2 H3PO4 + 3 CuO = Cu3(PO4)2 + 3 H2O
AgNo3 + NaBr2 = AgBr2 + NaNo3 =>
AgNo3 + NaBr2 = AgBr2 + NaNo3
C4H9OH + HI = C4H9I + H2O =>
C4H9OH + HI = C4H9I + H2O
Mg2O7 = MgO + O2 =>
2 Mg2O7 = 4 MgO + 5 O2
Al[NO3]3 + H2SO4 = Al2(SO4)3 + HNO3 =>
2 Al[NO3]3 + 3 H2SO4 = Al2(SO4)3 + 6 HNO3
CuS + HNO3 = Cu(NO3)2 + S + NO + H2O =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 3 S + 2 NO + 4 H2O
LaCl3 + H3AsO4 = LaAsO4 + HCl =>
LaCl3 + H3AsO4 = LaAsO4 + 3 HCl
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
C7H16O4S2 + O2 = CO2 + H2O + SO2 =>
C7H16O4S2 + 11 O2 = 7 CO2 + 8 H2O + 2 SO2
C17H35COONa + Ca = (C17H35COO)2Ca + Na =>
2 C17H35COONa + Ca = (C17H35COO)2Ca + 2 Na
Fe2O3 + H2O = Fe(OH)3 =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
C + H2SO4 = CO2 + SO2 + H2O =>
C + 2 H2SO4 = CO2 + 2 SO2 + 2 H2O
K2Cr2O7 + HCl = CrCl3 + KCl + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 CrCl3 + 2 KCl + 7 H2O + 3 Cl2
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
FeSO4 + NHOH + H2O = Fe(OH)3 + NH3 + H2SO4 =>
3 FeSO4 + NHOH + 8 H2O = 3 Fe(OH)3 + NH3 + 3 H2SO4
C11H7O2N1 + O2 = H2O + CO2 + N2 =>
4 C11H7O2N1 + 47 O2 = 14 H2O + 44 CO2 + 2 N2
Pt + HNO3 + HCl = H2O + PtCl + NO =>
3 Pt + HNO3 + 3 HCl = 2 H2O + 3 PtCl + NO
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
CuO + NH4OH + (NH4)2SO4 = (Cu(NH3)4)SO4 + H2O =>
CuO + 2 NH4OH + (NH4)2SO4 = (Cu(NH3)4)SO4 + 3 H2O
CH3COOH + H2O = H3O + CH2COOH =>
CH3COOH + H2O = H3O + CH2COOH
O2 = O3 =>
3 O2 = 2 O3
Zn(NO3)2*6H2O + (NH4)2HPO4 + C6H8O7*H2O = Zn2(PO3)4 + NH3 + H2O + CO2 =>
18 Zn(NO3)2*6H2O + 36(NH4)2HPO4 + 16 C6H8O7*H2O = 9 Zn2(PO3)4 + 108 NH3 + 188 H2O + 96 CO2
KMnO4 + H2SO4 + Cu = KSO4MnO + CuO2 + H2O =>
KMnO4 + H2SO4 + Cu = KSO4MnO + CuO2 + H2O
PbO2 + C = Pb + CO2 =>
PbO2 + C = Pb + CO2
HNO3 + H2SO4 = HNO2 + H2O + SO4 =>
HNO3 + H2SO4 = HNO2 + H2O + SO4
CaO + HNO3 = H2O + Ca(NO3)2 =>
CaO + 2 HNO3 = H2O + Ca(NO3)2
Mg + AlSO4 = MgSO4 + Al =>
Mg + AlSO4 = MgSO4 + Al
KOH + CuCl = CuOH + KCl =>
KOH + CuCl = CuOH + KCl
CuS + HNO3 = CuSO4 + H2O + NO2 =>
CuS + 8 HNO3 = CuSO4 + 4 H2O + 8 NO2
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