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2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
SR + O2 = SRO2 =>
SR + O2 = SRO2
Fe + F2 = FeF3 =>
2 Fe + 3 F2 = 2 FeF3
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
N2H4 + H2O2 = N2 + H2O =>
N2H4 + 2 H2O2 = N2 + 4 H2O
FE + HCl2 = FECl2 + H2 =>
2 FE + 2 HCl2 = 2 FECl2 + H2
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
HgS + HCl + HNO3 = H2HgCl4 + NO + S + H2O =>
3 HgS + 12 HCl + 2 HNO3 = 3 H2HgCl4 + 2 NO + 3 S + 4 H2O
Cl2O5 + H2O = HClO3 =>
Cl2O5 + H2O = 2 HClO3
KBrO3(s) = KBr(s) + O2(g) =>
2 KBrO3(s) = 2 KBr(s) + 3 O2(g)
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
NO2(g) + H2O(l) = HNO3(aq) + NO(g) =>
3 NO2(g) + H2O(l) = 2 HNO3(aq) + NO(g)
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
CH4 + Cl2 = CH3Cl + HCl =>
CH4 + Cl2 = CH3Cl + HCl
Xe + F2 = XeF2 =>
Xe + F2 = XeF2
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
CH4 + HNO3 = CH3NO2 + H2O =>
CH4 + HNO3 = CH3NO2 + H2O
ZN + HCl = ZNCl2 + H2 =>
ZN + 2 HCl = ZNCl2 + H2
K2S + Ni(NO3)2 = K2NO3 + NiS2 =>
2 K2S + Ni(NO3)2 = 2 K2NO3 + NiS2
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
MoO3 + Zn + H2SO4 = Mo2O3 + ZnSO4 + H2O =>
2 MoO3 + 3 Zn + 3 H2SO4 = Mo2O3 + 3 ZnSO4 + 3 H2O
KOH + H2SO4 = K2SO4 + H2O =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
Fe + CuCl = FeCl + Cu =>
Fe + CuCl = FeCl + Cu
Fe(s) + HCl(aq) = FeCl3(aq) + H2(g) =>
2 Fe(s) + 6 HCl(aq) = 2 FeCl3(aq) + 3 H2(g)
Cu(NO3)2 + Na2CO3 + H2O = CuCO3Cu(OH)2 + NaNO3 + CO2 =>
2 Cu(NO3)2 + 2 Na2CO3 + H2O = CuCO3Cu(OH)2 + 4 NaNO3 + CO2
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
H2 + F2 = HF =>
H2 + F2 = 2 HF
Zn(s) + HCl(aq) = ZnCl2(aq) + H2(g) =>
Zn(s) + 2 HCl(aq) = ZnCl2(aq) + H2(g)
CaO + Cl2 = CaCl2 + O2 =>
2 CaO + 2 Cl2 = 2 CaCl2 + O2
FE(s) + O(g) = FEO(s) =>
FE(s) + O(g) = FEO(s)
C3H8O2 + O2 = CO2 + H2O =>
C3H8O2 + 4 O2 = 3 CO2 + 4 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
CH4 + HNO3 = CH3NO2 + H2O =>
CH4 + HNO3 = CH3NO2 + H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
HNO3 + Na2CO3 = NaNO3 + CO2 + H2O =>
2 HNO3 + Na2CO3 = 2 NaNO3 + CO2 + H2O
NH3(g) + O2(g) = N2(g) + H2O(l) =>
4 NH3(g) + 3 O2(g) = 2 N2(g) + 6 H2O(l)
Na + O3 = Na3O =>
9 Na + O3 = 3 Na3O
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
Na2CO3 + H2O = H2CO3 + NaOH =>
Na2CO3 + 2 H2O = H2CO3 + 2 NaOH
KNO3 + CaCl2 = KCl + Ca(NO3)2 =>
2 KNO3 + CaCl2 = 2 KCl + Ca(NO3)2
CdSO4(aq) + K2S(aq) = CdS(s) + K2SO4(aq) =>
CdSO4(aq) + K2S(aq) = CdS(s) + K2SO4(aq)
CaO + Mg = MgO + Ca =>
CaO + Mg = MgO + Ca
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