Équations équilibrées la veille |
2 NaNO3 = 2 NaNO2 + O2
HClO4 + P2O5 = Cl2O7 + HPO3 =>
2 HClO4 + P2O5 = Cl2O7 + 2 HPO3
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Zn + Fe(ClO3)3 = Zn(ClO3) + Fe =>
3 Zn + Fe(ClO3)3 = 3 Zn(ClO3) + Fe
NaCN + H2SO4 = Na2SO4 + HCN =>
2 NaCN + H2SO4 = Na2SO4 + 2 HCN
K2CrO4 + SnSO4 + H2SO4 = Cr2(SO4)3 + K2SO4 + Sn(SO4)2 + H2O =>
2 K2CrO4 + 3 SnSO4 + 8 H2SO4 = Cr2(SO4)3 + 2 K2SO4 + 3 Sn(SO4)2 + 8 H2O
Na2CO3 + HCl = NaCl + H2CO3 =>
Na2CO3 + 2 HCl = 2 NaCl + H2CO3
C2H5OH + O = CO + H2O =>
C2H5OH + 4 O = 2 CO + 3 H2O
Na2CO3 + HCl = CO2 + NaCl + H2O =>
Na2CO3 + 2 HCl = CO2 + 2 NaCl + H2O
FeCl2 + Ba(OH)2 = Fe(OH)2 + Ba(Cl)2 =>
FeCl2 + Ba(OH)2 = Fe(OH)2 + Ba(Cl)2
NaI + H2O = H2 + NaIO3 =>
NaI + 3 H2O = 3 H2 + NaIO3
Sr(OH)2 + SO2 = Sr(SO3)2 + H2 =>
Sr(OH)2 + 2 SO2 = Sr(SO3)2 + H2
KMnO4 + N2H4 + H2SO4 = N2 + MnSO4 + K2 + H2O =>
2 KMnO4 + 3 N2H4 + 2 H2SO4 = 3 N2 + 2 MnSO4 + K2 + 8 H2O
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
NO2 + O2 = N2O5 =>
4 NO2 + O2 = 2 N2O5
CuCl2*2H2O + H(AcAc) + NaCH3COO = Cu(AcAc)2 + H2O + CH3COOH + Cl + Na =>
CuCl2*2H2O + 2 H(AcAc) + 2 NaCH3COO = Cu(AcAc)2 + 2 H2O + 2 CH3COOH + 2 Cl + 2 Na
As + HNO3 + H2O = H3AsO4 + NO =>
3 As + 5 HNO3 + 2 H2O = 3 H3AsO4 + 5 NO
Xe + F2 = XeF6 =>
Xe + 3 F2 = XeF6
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
C3H6 + O2 = CO2 + H2O =>
2 C3H6 + 9 O2 = 6 CO2 + 6 H2O
CrCl3 + Cl2 + KOH = K2CrO4 + H2O + KCl =>
2 CrCl3 + 3 Cl2 + 16 KOH = 2 K2CrO4 + 8 H2O + 12 KCl
CuCl + CH3COOH = CH3COOCu + HCl =>
CuCl + CH3COOH = CH3COOCu + HCl
Al + HCl = H2 + AlCl3 =>
2 Al + 6 HCl = 3 H2 + 2 AlCl3
HCl(aq) + NaOH(aq) = NaCl(aq) + H2O(l) =>
HCl(aq) + NaOH(aq) = NaCl(aq) + H2O(l)
C + H2O = CO + H2 =>
C + H2O = CO + H2
Be + Cl2 = Be2Cl =>
4 Be + Cl2 = 2 Be2Cl
Rb + S8 = Rb2S =>
16 Rb + S8 = 8 Rb2S
Ni + MgO = NiO + Mg =>
Ni + MgO = NiO + Mg
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
Li3PO4 = Li + P + O2 =>
Li3PO4 = 3 Li + P + 2 O2
SrCl2 + K2SO4 = SrSO4 + KCl =>
SrCl2 + K2SO4 = SrSO4 + 2 KCl
H3PO4 + NaBr = HBr + Na3PO4 =>
H3PO4 + 3 NaBr = 3 HBr + Na3PO4
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Al + FeO2 = Al2O3 + Fe =>
4 Al + 3 FeO2 = 2 Al2O3 + 3 Fe
Na2CO3 = Na2O + CO2 =>
Na2CO3 = Na2O + CO2
CaO + SO2 = CaSO3 =>
CaO + SO2 = CaSO3
H2S + PbCl2 = PbS + HCl =>
H2S + PbCl2 = PbS + 2 HCl
CH3CH2OH + Br2 = CH3CHBr2 + H2O =>
CH3CH2OH + Br2 = CH3CHBr2 + H2O
Pb + O2 = PbO2 =>
Pb + O2 = PbO2
AlPO4 + MgCl2 = Mg3(PO4)2 + AlCl3 =>
2 AlPO4 + 3 MgCl2 = Mg3(PO4)2 + 2 AlCl3
HCl + CaCl2 = HCl2 + CaCl =>
HCl + CaCl2 = HCl2 + CaCl
K + HBr = KBr + H2 =>
2 K + 2 HBr = 2 KBr + H2
C31H52 + O2 = CO2 + H2O =>
C31H52 + 44 O2 = 31 CO2 + 26 H2O
FeOH + Cl = ClOH + Fe =>
FeOH + Cl = ClOH + Fe
C2H5OH + O2 = H2C2O4 + H2O =>
2 C2H5OH + 5 O2 = 2 H2C2O4 + 4 H2O
KMnO4 + ZnCl2 = KCl2 + MnO4Zn =>
KMnO4 + ZnCl2 = KCl2 + MnO4Zn
C6H5Br + CH3COCH3 = C6H5CH2COCH3 + HBr =>
C6H5Br + CH3COCH3 = C6H5CH2COCH3 + HBr
K2O + HNo3 = KNo3 + H2O =>
K2O + 2 HNo3 = 2 KNo3 + H2O
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
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