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PbS + 8 HNO3 = PbSO4 + 8 NO2 + 4 H2O
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
NaI + Cl2 = NaCl2Na + I2 =>
2 NaI + Cl2 = NaCl2Na + I2
HI + H2SO4 = H2S + H2O + I2 =>
8 HI + H2SO4 = H2S + 4 H2O + 4 I2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
AlCl3 + H2So4 = Al2(So4)3 + HCl =>
2 AlCl3 + 3 H2So4 = Al2(So4)3 + 6 HCl
NaOH + CaCl2 = Ca(OH)2 + NaCl =>
2 NaOH + CaCl2 = Ca(OH)2 + 2 NaCl
H2O + SO2 = H2SO3 =>
H2O + SO2 = H2SO3
Fe2O3 + C = Fe2 + CO2 =>
2 Fe2O3 + 3 C = 2 Fe2 + 3 CO2
K2SO4 + HNO3 = KNO3 + H2SO4 =>
K2SO4 + 2 HNO3 = 2 KNO3 + H2SO4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
AlCl3 + H2So4 = Al2(So4)3 + HCl =>
2 AlCl3 + 3 H2So4 = Al2(So4)3 + 6 HCl
Zn + HNO3 = Zn(NO3)3 + NH4NO3 + H2O =>
8 Zn + 30 HNO3 = 8 Zn(NO3)3 + 3 NH4NO3 + 9 H2O
HNO3 + NAOH = NANO3 + H2O =>
HNO3 + NAOH = NANO3 + H2O
C6H5Br + NaOH = C6H5OH + NaBr =>
C6H5Br + NaOH = C6H5OH + NaBr
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
Fe(s) + HCl(aq) = FeCl3(aq) + H2(g) =>
2 Fe(s) + 6 HCl(aq) = 2 FeCl3(aq) + 3 H2(g)
Mg(OH)2 + HNO3 = Mg(NO3)2 + H2O =>
Mg(OH)2 + 2 HNO3 = Mg(NO3)2 + 2 H2O
HCl + CA(OH)2 = CACl2 + H2O =>
2 HCl + CA(OH)2 = CACl2 + 2 H2O
BaCl2 + AlSO = BaSO + AlCl2 =>
BaCl2 + AlSO = BaSO + AlCl2
BaCl2 + AlSO4 = BaSO4 + AlCl2 =>
BaCl2 + AlSO4 = BaSO4 + AlCl2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
PbCl + Hg + NO3 = PbNO3 + HgCl =>
PbCl + Hg + NO3 = PbNO3 + HgCl
(NH4)2C2O4 + AlCl3 = Al2(C2O4)3 + NH4Cl =>
3(NH4)2C2O4 + 2 AlCl3 = Al2(C2O4)3 + 6 NH4Cl
K + H3PO4 = K3PO4 + H2 =>
6 K + 2 H3PO4 = 2 K3PO4 + 3 H2
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
Na + N2 = Na3N =>
6 Na + N2 = 2 Na3N
NH3 + O2 = NO + H20 =>
20 NH3 + 10 O2 = 20 NO + 3 H20
C11H12N2O2 = C10H12N2O + CO =>
C11H12N2O2 = C10H12N2O + CO
CH3OH + CuO = HCOH + Cu + H2O =>
CH3OH + CuO = HCOH + Cu + H2O
CON2H4 = C3N6H6 + CO2 + NH3 =>
6 CON2H4 = C3N6H6 + 3 CO2 + 6 NH3
KMnO4 + Ca(NO2)2 + H2SO4 = CaSO4 + Mn(NO3)2 + KNO3 + K2SO4 + H2O =>
4 KMnO4 + 5 Ca(NO2)2 + 6 H2SO4 = 5 CaSO4 + 4 Mn(NO3)2 + 2 KNO3 + K2SO4 + 6 H2O
HCo3 + Ca(OH) = CaCo3 + H2O =>
HCo3 + Ca(OH) = CaCo3 + H2O
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
NO2 + O2 + NaOH = NaNO3 + H2O =>
4 NO2 + O2 + 4 NaOH = 4 NaNO3 + 2 H2O
Be(OH)2 + KOH = K2BeO2 + H2O =>
Be(OH)2 + 2 KOH = K2BeO2 + 2 H2O
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Fe(OH)3 + HNO3 = Fe(OH)2NO3 + H2O =>
Fe(OH)3 + HNO3 = Fe(OH)2NO3 + H2O
NO + Br2 = NOBr =>
2 NO + Br2 = 2 NOBr
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Na + H2So4 = Na2So4 + H2 =>
2 Na + H2So4 = Na2So4 + H2
H2SO3 + I2 + H2O = H2SO4 + HI =>
H2SO3 + I2 + H2O = H2SO4 + 2 HI
Fe + Br3 = FeBr3 =>
Fe + Br3 = FeBr3
PB(NO3)2 = PBO + NO2 + O2 =>
2 PB(NO3)2 = 2 PBO + 4 NO2 + O2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
NA + Cl2 = NACl2 =>
NA + Cl2 = NACl2
FeO + HCl = FeCl2 + H2O =>
FeO + 2 HCl = FeCl2 + H2O
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