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2 Na2S + 3 O2 = 2 Na2SO3
Au(OH)3 + H2SO4 = Au2(SO4)3 + H2O =>
2 Au(OH)3 + 3 H2SO4 = Au2(SO4)3 + 6 H2O
Na2S + O2 = Na2SO3 =>
2 Na2S + 3 O2 = 2 Na2SO3
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Ca + N2 = Ca3N2 =>
3 Ca + N2 = Ca3N2
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO
ClO2 + H2O = HClO2 + HClO3 =>
2 ClO2 + H2O = HClO2 + HClO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na2SO4 + H2O = NaOH + H2SO4 =>
Na2SO4 + 2 H2O = 2 NaOH + H2SO4
SiO2 + C = SiC + CO =>
SiO2 + 3 C = SiC + 2 CO
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
Na3N = Na + N2 =>
2 Na3N = 6 Na + N2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
ClO2 + H2O = HClO + O =>
2 ClO2 + H2O = 2 HClO + 3 O
H2SO4 + Al(OH)3 = Al2(SO4)3 + H2O =>
3 H2SO4 + 2 Al(OH)3 = Al2(SO4)3 + 6 H2O
Na + H2O = NaOH + H =>
Na + H2O = NaOH + H
NaOH + P4 + H2O = NaH2PO4 + PH3 =>
3 NaOH + 2 P4 + 9 H2O = 3 NaH2PO4 + 5 PH3
ClO + H2O = HClO + O =>
2 ClO + H2O = 2 HClO + O
Fe + CuSO4 = FeSO4 + Cu =>
Fe + CuSO4 = FeSO4 + Cu
H2 + NO = H2O + N2 =>
2 H2 + 2 NO = 2 H2O + N2
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Pb + O2 = PbO =>
2 Pb + O2 = 2 PbO
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Na2CO3 + C + N2 = NaCN + CO =>
Na2CO3 + 4 C + N2 = 2 NaCN + 3 CO
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Al(NO3)3 + H2SO4 = Al2(SO4)3 + HNO3 =>
2 Al(NO3)3 + 3 H2SO4 = Al2(SO4)3 + 6 HNO3
Pb + O2 = Pb3O4 =>
3 Pb + 2 O2 = Pb3O4
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
C2H6 = C2H4 + H2 =>
C2H6 = C2H4 + H2
KO2 + H2O = O2 + KOH =>
4 KO2 + 2 H2O = 3 O2 + 4 KOH
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Sr + H2O = Sr(OH)2 + H2 =>
Sr + 2 H2O = Sr(OH)2 + H2
C2H6 = C2H4 + H2 =>
C2H6 = C2H4 + H2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
CuS + O2 = CuO + SO2 =>
2 CuS + 3 O2 = 2 CuO + 2 SO2
SO3 + NaOH = Na2SO4 + H2O =>
SO3 + 2 NaOH = Na2SO4 + H2O
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3(aq) =>
AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3(aq)
S + NaOH = Na2S + Na2S2O3 + H2O =>
4 S + 6 NaOH = 2 Na2S + Na2S2O3 + 3 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3(aq) =>
AgNO3(aq) + NaCl(aq) = AgCl(s) + NaNO3(aq)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
HgO(s) = Hg(s) + O2(g) =>
2 HgO(s) = 2 Hg(s) + O2(g)
NaOH + H2O + P4 = NaH2PO2 + PH3 =>
3 NaOH + 3 H2O + P4 = 3 NaH2PO2 + PH3
Na + H2O = NaOH + H =>
Na + H2O = NaOH + H
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
Li + HCl = LiCl + H2 =>
2 Li + 2 HCl = 2 LiCl + H2
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