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2 ZnS + 3 O2 = 2 ZnO + 2 SO2
AgNO3 + H2S = Ag2S + HNO3 =>
2 AgNO3 + H2S = Ag2S + 2 HNO3
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NH4NO3 + NaOH + CH3OH = CH3NH2 + H2O + NaNO3 =>
NH4NO3 + NaOH + CH3OH = CH3NH2 + 2 H2O + NaNO3
NH4OH + H2 + SO4 = (NH4)2SO4 + H2O =>
2 NH4OH + H2 + SO4 = (NH4)2SO4 + 2 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Sb + O2 = Sb4O6 =>
4 Sb + 3 O2 = Sb4O6
Zn + NO3{-} + H3O{+} = Zn2{+} + NO2{-} + H2O =>
4 Zn + NO3{-} + 2 H3O{+} = 2 Zn2{+} + NO2{-} + 3 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
HCl + NH4Br = HBr + (NH4)Cl =>
HCl + NH4Br = HBr + (NH4)Cl
HNO3 + K3PO4 = H3PO4 + KNO3 =>
3 HNO3 + K3PO4 = H3PO4 + 3 KNO3
NH4OH + H2SO4 = (NH4)2SO4 + H2O =>
2 NH4OH + H2SO4 = (NH4)2SO4 + 2 H2O
Sb + O2 = Sb4O5 =>
8 Sb + 5 O2 = 2 Sb4O5
Zn + CuCl2 = ZnCl2 + Cu =>
Zn + CuCl2 = ZnCl2 + Cu
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
N2 + H2O = NH3 + O2 =>
2 N2 + 6 H2O = 4 NH3 + 3 O2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
CuCl2 + Na2S = CuS + NaCl =>
CuCl2 + Na2S = CuS + 2 NaCl
NO + H2O = NH3 + O2 =>
4 NO + 6 H2O = 4 NH3 + 5 O2
H2SO3 + NH4OH = (NH4)2SO3 + H2O =>
H2SO3 + 2 NH4OH = (NH4)2SO3 + 2 H2O
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
Na2CO3 + HgCl2 = HgCO3 + NaCl =>
Na2CO3 + HgCl2 = HgCO3 + 2 NaCl
Pb3O4 + CO = Pb + CO2 =>
Pb3O4 + 4 CO = 3 Pb + 4 CO2
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
NaNO2 + H2O2 = NaNO3 + H2O =>
NaNO2 + H2O2 = NaNO3 + H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
KOH = K2O + H2O =>
2 KOH = K2O + H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Al2(SO4)3 + KOH = Al(OH)3 + K2SO4 =>
Al2(SO4)3 + 6 KOH = 2 Al(OH)3 + 3 K2SO4
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
HNO3 + Al(OH)3 = Al(NO3)3 + H2O =>
3 HNO3 + Al(OH)3 = Al(NO3)3 + 3 H2O
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
NH4OH + HNO3 = NH4NO3 + H2O =>
NH4OH + HNO3 = NH4NO3 + H2O
K2ZnS2 + O2 = K2S2 + ZnO =>
2 K2ZnS2 + O2 = 2 K2S2 + 2 ZnO
MgO + CO2 = MgCO3 =>
MgO + CO2 = MgCO3
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
C6H5OH + O2 = CO2 + H2O =>
C6H5OH + 7 O2 = 6 CO2 + 3 H2O
CH3COOH + Na2CO3 = CH3COONa + H2O + CO2 =>
2 CH3COOH + Na2CO3 = 2 CH3COONa + H2O + CO2
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