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2 PbS + 3 O2 = 2 PbO + 2 SO2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
H2SO4 + NaCl = Na2SO4 + HCl =>
H2SO4 + 2 NaCl = Na2SO4 + 2 HCl
C2H3O2 + CO3 = H2O + CO2 =>
2 C2H3O2 + 7 CO3 = 3 H2O + 11 CO2
AgNO3 + KBr = AgBr + KNO3 =>
AgNO3 + KBr = AgBr + KNO3
HgO = Hg + O =>
HgO = Hg + O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Sn + P = Sn3P2 =>
3 Sn + 2 P = Sn3P2
CH4 + H2SO4 = H2S + CO2 + H2O =>
CH4 + H2SO4 = H2S + CO2 + 2 H2O
Al2S3 + O2 = Al2O3 + SO2 =>
2 Al2S3 + 9 O2 = 2 Al2O3 + 6 SO2
Zn2 + N3 = Zn3N2 =>
9 Zn2 + 4 N3 = 6 Zn3N2
KMnO4 + NaBr + H2So4 = Na2So4 + K2So4 + MnSo4 + H2O + Br2 =>
2 KMnO4 + 10 NaBr + 8 H2So4 = 5 Na2So4 + K2So4 + 2 MnSo4 + 8 H2O + 5 Br2
CrO(s) + O2(g) = Cr2O3(s) =>
4 CrO(s) + O2(g) = 2 Cr2O3(s)
Na + H2O = NaH2O =>
Na + H2O = NaH2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
(NH4)2SO4 + KNO3 = K2SO4 + N2O + H2O =>
(NH4)2SO4 + 2 KNO3 = K2SO4 + 2 N2O + 4 H2O
Zn{2+} + Al = Zn + Al{3+} =>
3 Zn{2+} + 2 Al = 3 Zn + 2 Al{3+}
Al(OH)3 + HBr = AlBr3 + H2O =>
Al(OH)3 + 3 HBr = AlBr3 + 3 H2O
KHP + NAOH = H2O + NAKP =>
KHP + NAOH = H2O + NAKP
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Au2O3 = Au + O2 =>
2 Au2O3 = 4 Au + 3 O2
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
Ba(NO3)2 + Na2CrO4 = BaCrO4 + NaNO3 =>
Ba(NO3)2 + Na2CrO4 = BaCrO4 + 2 NaNO3
CH3COCH3 + O{-} = CO2 + H2O + e =>
CH3COCH3 + 8 O{-} = 3 CO2 + 3 H2O + 8e
C2H6 + CI2 = C2H5CI + HI =>
C2H6 + CI2 = C2H5CI + HI
Cr2(So4)3 + NaOh = Cr(Oh)3 + Na2So4 =>
Cr2(So4)3 + 6 NaOh = 2 Cr(Oh)3 + 3 Na2So4
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
NaOH + PCl5 = NaCl + Na4P2O7 + H2O =>
14 NaOH + 2 PCl5 = 10 NaCl + Na4P2O7 + 7 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
H2SO3 + NaOH = SO3 + H2O + Na =>
H2SO3 + 2 NaOH = SO3 + 2 H2O + 2 Na
CuSO4 + (NH4)3PO4 = Cu3(PO4)2 + (NH4)2SO4 =>
3 CuSO4 + 2(NH4)3PO4 = Cu3(PO4)2 + 3(NH4)2SO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Pb{2+} + I{-} = PbI4{2-} =>
Pb{2+} + 4 I{-} = PbI4{2-}
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
KBF4 + Na = KF + NaF + B =>
KBF4 + 3 Na = KF + 3 NaF + B
PbSO4 + Ca(OH)2 = Pb(OH)2 + CaSO4 =>
PbSO4 + Ca(OH)2 = Pb(OH)2 + CaSO4
C6H14 + Cl2 = C + HCl =>
C6H14 + 7 Cl2 = 6 C + 14 HCl
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
ZnS + O2 = ZnO + S8 =>
8 ZnS + 4 O2 = 8 ZnO + S8
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
N2 + K = N3K =>
3 N2 + 2 K = 2 N3K
Al + H2O = Al2O3 + H2 =>
2 Al + 3 H2O = Al2O3 + 3 H2
C2H5CI + H2O = C2H5OH + CHI =>
C2H5CI + H2O = C2H5OH + CHI
Al{3+} + OH{-} = Al(OH)3 =>
Al{3+} + 3 OH{-} = Al(OH)3
C3H8 + O = CO2 + H2O =>
C3H8 + 10 O = 3 CO2 + 4 H2O
MNO4{2-} + H{+} = MNO4{-} + MNO2 + H2O =>
3 MNO4{2-} + 4 H{+} = 2 MNO4{-} + MNO2 + 2 H2O
HCl + Au + HClO = AuCl2 + H2O =>
HCl + Au + HClO = AuCl2 + H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
C2H6 + BR2 = C2H6BR2 =>
C2H6 + BR2 = C2H6BR2
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