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2 PbO2 = 2 PbO + O2
Zn + HNO3 = Zn(NO3)2 + NO + H2O =>
3 Zn + 8 HNO3 = 3 Zn(NO3)2 + 2 NO + 4 H2O
Zn + HBr = H2 + ZnBr =>
2 Zn + 2 HBr = H2 + 2 ZnBr
K2Cr2O7 + H2SO4 + CH3CH2OH + H2O = KCr(SO4)2*12H2O + CH3CHO =>
K2Cr2O7 + 4 H2SO4 + 3 CH3CH2OH + 17 H2O = 2 KCr(SO4)2*12H2O + 3 CH3CHO
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
N = N02 =>
2 N = N02
Al + Cr2O3 = Al2O3 + Cr =>
2 Al + Cr2O3 = Al2O3 + 2 Cr
Al4C3 = Al + C =>
Al4C3 = 4 Al + 3 C
AgNO3 + Na2SO4 = Ag2SO4 + NaNO3 =>
2 AgNO3 + Na2SO4 = Ag2SO4 + 2 NaNO3
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
AlH2S = SAlH2 =>
AlH2S = SAlH2
Zn(OH)2 + H2O = ZnO2 + H3O =>
Zn(OH)2 + 2 H2O = ZnO2 + 2 H3O
NaMnO4 + Ba = Ba(MnO4)2 + Na =>
2 NaMnO4 + Ba = Ba(MnO4)2 + 2 Na
AlCl3 + Zn(NO3)2 = ZnCl2 + Al(NO3)3 =>
2 AlCl3 + 3 Zn(NO3)2 = 3 ZnCl2 + 2 Al(NO3)3
CH3OH = H + CH3COOH =>
2 CH3OH = 4 H + CH3COOH
CaCO5MgO + H2SO4 = MgSO4 + CaCO3 + H2O + O2 =>
CaCO5MgO + H2SO4 = MgSO4 + CaCO3 + H2O + O2
Pb3O4 + KOH + H2O = K2[Pb(OH)4] + K2[Pb(OH)6] =>
Pb3O4 + 6 KOH + 4 H2O = 2 K2[Pb(OH)4] + K2[Pb(OH)6]
Ba(No3)2 + HCl = BaCl2 + HNo3 =>
Ba(No3)2 + 2 HCl = BaCl2 + 2 HNo3
KIO3 + KI + H2(SO4) = I2 + K2(SO4) + H2O =>
KIO3 + 5 KI + 3 H2(SO4) = 3 I2 + 3 K2(SO4) + 3 H2O
Ni + C4H8N2O2 = Ni(C4H8N2O2)2 =>
Ni + 2 C4H8N2O2 = Ni(C4H8N2O2)2
C4H9OH + O2 = CO2 + H2O =>
C4H9OH + 6 O2 = 4 CO2 + 5 H2O
Mg(OH)2 = MgH2O2 =>
Mg(OH)2 = MgH2O2
Al(OH)3 + H2SO3 = Al2(SO3)3 + H2O =>
2 Al(OH)3 + 3 H2SO3 = Al2(SO3)3 + 6 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Cm + HNO3 = Cm(NO3)3 + NO + H2O =>
Cm + 4 HNO3 = Cm(NO3)3 + NO + 2 H2O
SO3H2O = H2SO4 =>
SO3H2O = H2SO4
C15H31COOCH3 + O2 = CO2 + H2O =>
2 C15H31COOCH3 + 49 O2 = 34 CO2 + 34 H2O
Fe + S = Fe2(S3) =>
2 Fe + 3 S = Fe2(S3)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C6H6 + HONO2 = C6H5NO2 + H2O =>
C6H6 + HONO2 = C6H5NO2 + H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Na2SO4 + CaCl2 = CaSO4 + NaCl =>
Na2SO4 + CaCl2 = CaSO4 + 2 NaCl
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
H3AsO4 + Al + H{+} = AsH3 + Al3{+} + H2O =>
H3AsO4 + 24 Al + 8 H{+} = AsH3 + 8 Al3{+} + 4 H2O
C15H31COOCH3 + O2 = CO2 + H2O =>
2 C15H31COOCH3 + 49 O2 = 34 CO2 + 34 H2O
CH3COOH + (OH)2 = CH3COO + H2O =>
2 CH3COOH + (OH)2 = 2 CH3COO + 2 H2O
Co(CH3COO)2 + KOH = Co(OH)2 + KCH3COO =>
Co(CH3COO)2 + 2 KOH = Co(OH)2 + 2 KCH3COO
Zn(s) + Pb(NO3)2(aq) = Pb(s) + Zn(NO3)2(aq) =>
Zn(s) + Pb(NO3)2(aq) = Pb(s) + Zn(NO3)2(aq)
Li2O2 = Li2O + O2 =>
2 Li2O2 = 2 Li2O + O2
KOH + H3PO4 = K3PO4(aq) + H2O =>
3 KOH + H3PO4 = K3PO4(aq) + 3 H2O
HNO2 = HNO + HNO3 =>
2 HNO2 = HNO + HNO3
PbI2 + NH3 = Pb(NH3) + I =>
PbI2 + NH3 = Pb(NH3) + 2 I
Fe{3+} + HSCN = H{+} + FeSCN{2+} =>
Fe{3+} + HSCN = H{+} + FeSCN{2+}
Fe{2+} + SO4{2-} = FeSO4 =>
Fe{2+} + SO4{2-} = FeSO4
Li2O + Pb(OH)2 = Li2(OH)2 + PbO =>
Li2O + Pb(OH)2 = Li2(OH)2 + PbO
C2H5OH(l) + O2(g) = CO2(g) + H2O(g) =>
C2H5OH(l) + 3 O2(g) = 2 CO2(g) + 3 H2O(g)
H2SO4 + C2O4H2 = CO2 + H2O + SO2 =>
H2SO4 + C2O4H2 = 2 CO2 + 2 H2O + SO2
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
CaO + SO2 = CaS + CaSO4 =>
4 CaO + 4 SO2 = CaS + 3 CaSO4
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