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8 Fe + S8 = 8 FeS
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Fe(s) + F2(g) = FeF3(s) =>
2 Fe(s) + 3 F2(g) = 2 FeF3(s)
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
K2S + KClO3 = K2SO4 + KCl =>
3 K2S + 4 KClO3 = 3 K2SO4 + 4 KCl
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + H2O(g) =>
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + 4 H2O(g)
CuSO4 + Zn = Cu + ZnSO4 =>
CuSO4 + Zn = Cu + ZnSO4
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Cu(s) + O2(g) = CuO(s) =>
2 Cu(s) + O2(g) = 2 CuO(s)
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
HCl + NAOH = NACl + H2O =>
HCl + NAOH = NACl + H2O
C4H10(l) + O2(g) = CO2(g) + H2O(l) =>
2 C4H10(l) + 13 O2(g) = 8 CO2(g) + 10 H2O(l)
NaHCO3 + HCl = CO2 + HOH + NaCl =>
NaHCO3 + HCl = CO2 + HOH + NaCl
KI + HNO3 + H2SO4 = NO2 + I2 + H2O + K2SO4 =>
2 KI + 2 HNO3 + H2SO4 = 2 NO2 + I2 + 2 H2O + K2SO4
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
CaCl2(aq) + Na2SO4(aq) = CaSO4(s) + NaCl(aq) =>
CaCl2(aq) + Na2SO4(aq) = CaSO4(s) + 2 NaCl(aq)
FeBr3 + HS = FeBr2 + HBr + S =>
FeBr3 + HS = FeBr2 + HBr + S
H + BR = HBR =>
H + BR = HBR
FeBr3 + HS = FeBr2 + HBr + S =>
FeBr3 + HS = FeBr2 + HBr + S
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
Fe(s) + Sn(NO3)4(aq) = Fe(NO3)3(aq) + Sn(s) =>
4 Fe(s) + 3 Sn(NO3)4(aq) = 4 Fe(NO3)3(aq) + 3 Sn(s)
Pb3O4 + HNO3 = Pb(NO3)2 + PbO2 + H2O =>
Pb3O4 + 4 HNO3 = 2 Pb(NO3)2 + PbO2 + 2 H2O
FeBr3 + H2S = FeBr2 + HBr + S =>
2 FeBr3 + H2S = 2 FeBr2 + 2 HBr + S
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
C6H5CH3 + HNO3 = C6H4NO2CH3 + H2O =>
C6H5CH3 + HNO3 = C6H4NO2CH3 + H2O
FeS + HNO3 = Fe(NO3) + S + NO2 + H2O =>
FeS + 2 HNO3 = Fe(NO3) + S + NO2 + H2O
Fe2(CO3)3 = CO2 + Fe2O3 =>
Fe2(CO3)3 = 3 CO2 + Fe2O3
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Ba(CN)2 + H2SO4 = BaSO4 + HCN =>
Ba(CN)2 + H2SO4 = BaSO4 + 2 HCN
CaCl2(aq) + Na2SO4(aq) = CaSO4(s) + NaCl(aq) =>
CaCl2(aq) + Na2SO4(aq) = CaSO4(s) + 2 NaCl(aq)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
N2 + Li = Li3N =>
N2 + 6 Li = 2 Li3N
C2H4 + H2 = C2H5 =>
2 C2H4 + H2 = 2 C2H5
Fe(s) + F2(g) = FeF3(s) =>
2 Fe(s) + 3 F2(g) = 2 FeF3(s)
N2O4 + H2O = HNO3 + NO =>
3 N2O4 + 2 H2O = 4 HNO3 + 2 NO
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Cr2O3(s) + Al(s) = Al2O3(s) + Cr(s) =>
Cr2O3(s) + 2 Al(s) = Al2O3(s) + 2 Cr(s)
N2O + C = N2 + CO2 =>
2 N2O + C = 2 N2 + CO2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
NaOH + C8H5KO4 = NaC8H4KO4 + H2O =>
NaOH + C8H5KO4 = NaC8H4KO4 + H2O
FeBr3 + HS = FeBr2 + HBr + S =>
FeBr3 + HS = FeBr2 + HBr + S
Cu(s) + O2(g) = CuO(s) =>
2 Cu(s) + O2(g) = 2 CuO(s)
C2H5OH + O2 = H2O + CO2 =>
C2H5OH + 3 O2 = 3 H2O + 2 CO2
CuS + HNO3 = Cu(NO3)2 + S + H2O + NO =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 3 S + 4 H2O + 2 NO
NaClO3 = NaCl + O2 =>
2 NaClO3 = 2 NaCl + 3 O2
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
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