Équations équilibrées la veille |
3 Na + N2 = Na3N2
C5H8O2 + NaH + HCl = C5H12O2 + NaCl =>
C5H8O2 + 2 NaH + 2 HCl = C5H12O2 + 2 NaCl
BeO + HNO3 + H2O = [Be(OH)4]NO3 + H =>
BeO + HNO3 + 3 H2O = [Be(OH)4]NO3 + 3 H
C{4+} + O{2-} = CO2 =>
C{4+} + 2 O{2-} = CO2
C9H19NO4 + O2 = CO2 + H2O + NO =>
4 C9H19NO4 + 49 O2 = 36 CO2 + 38 H2O + 4 NO
MgS + Fe(C2H3O2)3 = Mg(C2H3O2)2 + Fe2S3 =>
3 MgS + 2 Fe(C2H3O2)3 = 3 Mg(C2H3O2)2 + Fe2S3
(NH4)2SO + BaCl2 = BaSO + NH4Cl =>
(NH4)2SO + BaCl2 = BaSO + 2 NH4Cl
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Cs + Cl(g) = CsCl =>
Cs + Cl(g) = CsCl
K2SO4 + BaCl2 = BaSO4 + KCl =>
K2SO4 + BaCl2 = BaSO4 + 2 KCl
NH4CO3 + BaCH3O2 = BaCO3 + NH4CH3O2 =>
NH4CO3 + BaCH3O2 = BaCO3 + NH4CH3O2
H2CCHCHCH2 + HCl = C4H7Cl =>
H2CCHCHCH2 + HCl = C4H7Cl
Zn(C2H3O2)2 + K2(CO3) = Zn(CO3) + K(C2H3O2) =>
Zn(C2H3O2)2 + K2(CO3) = Zn(CO3) + 2 K(C2H3O2)
Mn + Co{2} = Mn{2} + Co =>
Mn + Co{2} = Mn{2} + Co
Zn + HNO3 = Zn(NO3)3 + H2O + NH4(NO3) =>
8 Zn + 30 HNO3 = 8 Zn(NO3)3 + 9 H2O + 3 NH4(NO3)
HOC6H4COOH + (CH3CO)2O = C9H8O4 =>
11 HOC6H4COOH + (CH3CO)2O = 9 C9H8O4
LiOH(aq) + VCl3(aq) = LiCl + V(OH)3 =>
3 LiOH(aq) + VCl3(aq) = 3 LiCl + V(OH)3
KO2(s) = K2O + O2 =>
4 KO2(s) = 2 K2O + 3 O2
SnI4 = Sn + I =>
SnI4 = Sn + 4 I
BaCl{2}(aq) + CuSO{4} = BaSO{4}(S) + CuCl{2}(aq) =>
BaCl{2}(aq) + CuSO{4} = BaSO{4}(S) + CuCl{2}(aq)
AgNO3 + HOH = AgOH + HNO3 =>
AgNO3 + HOH = AgOH + HNO3
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
Bi + H2 = BiH =>
2 Bi + H2 = 2 BiH
N2H6(NO3)2 = N2 + H2O + O2 =>
2 N2H6(NO3)2 = 4 N2 + 6 H2O + 3 O2
N + HNO3 = NO2 + H2O =>
N + 4 HNO3 = 5 NO2 + 2 H2O
Na2CO3 + CaCl2 = Na2Cl2 + CaCO3 =>
Na2CO3 + CaCl2 = Na2Cl2 + CaCO3
KCl(aq)CaS(aq) = KSCaCl =>
KCl(aq)CaS(aq) = KSCaCl
H2O + C = CO3 + H2 =>
3 H2O + C = CO3 + 3 H2
Dy + Cl2 = DyCl3 =>
2 Dy + 3 Cl2 = 2 DyCl3
C4H10 + O = CO2 + H2O =>
C4H10 + 13 O = 4 CO2 + 5 H2O
Na2SiO3 + COH = Na2CO3 + SiOH =>
Na2SiO3 + COH = Na2CO3 + SiOH
Xe(g) + F2(g) = XeF4(s) =>
Xe(g) + 2 F2(g) = XeF4(s)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CaCO3 + SO2 + O2 = CaSO4 + CO2 =>
2 CaCO3 + 2 SO2 + O2 = 2 CaSO4 + 2 CO2
HF + Ca(OH)2 = HOH + CaF2 =>
2 HF + Ca(OH)2 = 2 HOH + CaF2
AsH3 = AsH + H2 =>
AsH3 = AsH + H2
KMnO4 + H2SO4 + PH3 = MnSO4 + H3PO4 + K2SO4 + H2O =>
8 KMnO4 + 12 H2SO4 + 5 PH3 = 8 MnSO4 + 5 H3PO4 + 4 K2SO4 + 12 H2O
C5H10O2 + NaOH = C5H9NaO2 + H2O =>
C5H10O2 + NaOH = C5H9NaO2 + H2O
H2 + KI = HI + K =>
H2 + 2 KI = 2 HI + 2 K
Sb2O + HBrO3 = Sb2O5 + HBr =>
3 Sb2O + 4 HBrO3 = 3 Sb2O5 + 4 HBr
Al(cr) + HCl(aq) = AlCl2(aq) + H2(g) =>
Al(cr) + 2 HCl(aq) = AlCl2(aq) + H2(g)
SrCl2 + Na2CO3 = NaCl + SrCO3 =>
SrCl2 + Na2CO3 = 2 NaCl + SrCO3
ZnS + SrCl = ZnCl + SrS =>
ZnS + SrCl = ZnCl + SrS
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
SiO2 + NaO = Na2SiO3 + O2 =>
2 SiO2 + 4 NaO = 2 Na2SiO3 + O2
K + H2O = H2K2O2 + H =>
2 K + 2 H2O = H2K2O2 + 2 H
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C17H35COOH + MgSO4 = (C17H35COO)2Mg + H2SO4 =>
2 C17H35COOH + MgSO4 = (C17H35COO)2Mg + H2SO4
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
HNO3 + H3AsO3 = NO + H3AsO4 + H2O =>
2 HNO3 + 3 H3AsO3 = 2 NO + 3 H3AsO4 + H2O
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