Équations équilibrées la veille |
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
NaBr + CaF = NaF + CaBr =>
NaBr + CaF = NaF + CaBr
FeILi2SO4 = FeSO4Li2I =>
FeILi2SO4 = FeSO4Li2I
C2H5COHH2 = C2H5COH3 =>
C2H5COHH2 = C2H5COH3
Cu(ll) + AgNO3 = Cu(NO3)2 + Ag =>
Cu(ll) + 2 AgNO3 = Cu(NO3)2 + 2 Ag
MgCl2 + NaOH = Mg(OH)2 + Na2Cl2 =>
MgCl2 + 2 NaOH = Mg(OH)2 + Na2Cl2
K2Cr2O7 + KOH = K2CrO4 + H2O =>
K2Cr2O7 + 2 KOH = 2 K2CrO4 + H2O
Re + HCl = ReCl2 + H2 =>
Re + 2 HCl = ReCl2 + H2
Mg(NO3)2(aq) + H2SO4(aq) = MgSO4 + HNO3 =>
Mg(NO3)2(aq) + H2SO4(aq) = MgSO4 + 2 HNO3
(NH4)2SO4 + NaOH = NH3 + H2O + Na2SO4 =>
(NH4)2SO4 + 2 NaOH = 2 NH3 + 2 H2O + Na2SO4
Na2S + HCl = NaCl + H2S =>
Na2S + 2 HCl = 2 NaCl + H2S
IO2 + OH{-} = IO3{-} + H2O + e =>
IO2 + 2 OH{-} = IO3{-} + H2O + e
Hg(NO3)2 + Na2Cr2O7 = Hg2(Cr2O7)2 + NaNO3 =>
2 Hg(NO3)2 + 2 Na2Cr2O7 = Hg2(Cr2O7)2 + 4 NaNO3
MgI2 + Br2 = MgBr2 + I2 =>
MgI2 + Br2 = MgBr2 + I2
Cu + Br = CuBr =>
Cu + Br = CuBr
AgCl + Fe2S3 = Ag2S + FeCl3 =>
6 AgCl + Fe2S3 = 3 Ag2S + 2 FeCl3
Fe3(PO4)2 = FeO + PO + O2 =>
2 Fe3(PO4)2 = 6 FeO + 4 PO + 3 O2
MnCl2 + HNO3 + HCl = NO2 + MnCl4 + H2O =>
MnCl2 + 2 HNO3 + 2 HCl = 2 NO2 + MnCl4 + 2 H2O
C6H5NO2 + H2 = C6H5NH2 + H2O =>
C6H5NO2 + 3 H2 = C6H5NH2 + 2 H2O
Zn0 + HNO3 = Zn(NO3)2 + H2 =>
Zn0 + 2 HNO3 = Zn(NO3)2 + H2
ZnFeSO4 = ZnSO4Fe =>
ZnFeSO4 = ZnSO4Fe
Re + HCl = ReCl2 + H2 =>
Re + 2 HCl = ReCl2 + H2
CH3OH + KMnO4 + H3PO4 = CH2O + Mn3(PO4)2 + K3PO4 + H2O =>
15 CH3OH + 6 KMnO4 + 6 H3PO4 = 15 CH2O + 2 Mn3(PO4)2 + 2 K3PO4 + 24 H2O
Ca(CH3COO)2(aq) + Na2CO3(aq) = CaCO3(s) + CH3COONa(aq) =>
Ca(CH3COO)2(aq) + Na2CO3(aq) = CaCO3(s) + 2 CH3COONa(aq)
Re + HCl = ReCl2 + H2 =>
Re + 2 HCl = ReCl2 + H2
NaCl + MgCl2 = NaMg + Cl2 =>
2 NaCl + 2 MgCl2 = 2 NaMg + 3 Cl2
CaCO3 + O2 = CaO3 + CO2 =>
CaCO3 + O2 = CaO3 + CO2
C2H5OH + Al2O3 = CH3CHO + Al + H2O =>
3 C2H5OH + Al2O3 = 3 CH3CHO + 2 Al + 3 H2O
AgNO3 + CaBr2 = AgBr2 + CaNO3 =>
AgNO3 + CaBr2 = AgBr2 + CaNO3
H3PO3 + CaCl2 = CaHPO3 + HCl =>
H3PO3 + CaCl2 = CaHPO3 + 2 HCl
AlHCl = HClAl =>
AlHCl = HClAl
Re + HCl = ReCl2 + H2 =>
Re + 2 HCl = ReCl2 + H2
NH4OH + HCl = NH4 + Cl + H2O =>
NH4OH + HCl = NH4 + Cl + H2O
Na2B407 + H2SO4 = H2B407 + Na2SO4 =>
Na2B407 + H2SO4 = H2B407 + Na2SO4
C6H12O6 + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
5 C6H12O6 + 24 KMnO4 + 36 H2SO4 = 30 CO2 + 24 MnSO4 + 12 K2SO4 + 66 H2O
Al + Ag2SO4 = Al2(SO4)3 + Ag =>
2 Al + 3 Ag2SO4 = Al2(SO4)3 + 6 Ag
Ho + HCl = HoCl + H2 =>
2 Ho + 2 HCl = 2 HoCl + H2
C6H5NO2 + H2 = C6H5NH2 + H2O =>
C6H5NO2 + 3 H2 = C6H5NH2 + 2 H2O
Fe2O3(s) + H2(g) = Fe(s) + H2O(l) =>
Fe2O3(s) + 3 H2(g) = 2 Fe(s) + 3 H2O(l)
C6H12O6 + NO3{-} = N2 + CO2 + HCO3{-} + H2O =>
5 C6H12O6 + 24 NO3{-} = 12 N2 + 6 CO2 + 24 HCO3{-} + 18 H2O
ZnBr + FeS = ZnS + FeBr =>
ZnBr + FeS = ZnS + FeBr
AuCl3 + NH3 = (Au(NH3)4)Cl3 =>
AuCl3 + 4 NH3 = (Au(NH3)4)Cl3
NeK = KNe =>
NeK = KNe
NaHCrO4 + NaOH = H2O + Na2CrO4 =>
NaHCrO4 + NaOH = H2O + Na2CrO4
CuSO4 + H2S = CuS + H2O + S =>
CuSO4 + 4 H2S = CuS + 4 H2O + 4 S
BaCl2 + Pb(No3)2 = Ba(No3)2 + PbCl2 =>
BaCl2 + Pb(No3)2 = Ba(No3)2 + PbCl2
C5H10O2 + O2(g) = CO2 + H2O =>
2 C5H10O2 + 13 O2(g) = 10 CO2 + 10 H2O
ZnOCu = ZnCuO =>
ZnOCu = ZnCuO
KOH + HNO3 = H2O + KNO3 =>
KOH + HNO3 = H2O + KNO3
C5H11OH + CH3COOH = C7H14O2 + H2O =>
C5H11OH + CH3COOH = C7H14O2 + H2O
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