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2 Al + Fe2O3 = Al2O3 + 2 Fe
NaSO3 + H2SO4 = Na2SO4 + HSO3 =>
2 NaSO3 + H2SO4 = Na2SO4 + 2 HSO3
Cl2(aq) + KBr(aq) = Br2(aq) + KCl(aq) =>
Cl2(aq) + 2 KBr(aq) = Br2(aq) + 2 KCl(aq)
HS + O2 = SO2 + H2O =>
4 HS + 5 O2 = 4 SO2 + 2 H2O
C10H16 + Cl2 = C + HCl =>
C10H16 + 8 Cl2 = 10 C + 16 HCl
C6H10O5 + I2 = C6H10O4I + IO =>
C6H10O5 + I2 = C6H10O4I + IO
LiAlH4 + O = LiOH + Al(OH)3 =>
LiAlH4 + 4 O = LiOH + Al(OH)3
N2 + O2 + H2O = HNO3 =>
2 N2 + 5 O2 + 2 H2O = 4 HNO3
Zn(OH)2 + H3PO4 = Zn3(PO4)2 + H2O =>
3 Zn(OH)2 + 2 H3PO4 = Zn3(PO4)2 + 6 H2O
CH3COH + Ag2O = CH3COOH + Ag =>
CH3COH + Ag2O = CH3COOH + 2 Ag
C3H7OH + KMnO4 = C2H5COH + MnO2 + KOH + H2O =>
3 C3H7OH + 2 KMnO4 = 3 C2H5COH + 2 MnO2 + 2 KOH + 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
Ba(NO3)2 + K2SO4 = BaSO4 + KNO3 =>
Ba(NO3)2 + K2SO4 = BaSO4 + 2 KNO3
C4H10 + O2 = H2O + CO =>
2 C4H10 + 9 O2 = 10 H2O + 8 CO
ICl3 + H2O = ICl + HIO3 + HCl =>
2 ICl3 + 3 H2O = ICl + HIO3 + 5 HCl
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
K2CO3(aq) + SnCl4(aq) = Sn(CO3)2(s) + KCl(aq) =>
2 K2CO3(aq) + SnCl4(aq) = Sn(CO3)2(s) + 4 KCl(aq)
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Al4C3 + H2O = Al(OH)3 + CH4 =>
Al4C3 + 12 H2O = 4 Al(OH)3 + 3 CH4
S8 + O2 = SO3 =>
S8 + 12 O2 = 8 SO3
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Fe + H2O + O2 = Fe(OH)3 =>
4 Fe + 6 H2O + 3 O2 = 4 Fe(OH)3
CuS + HNO3 = CuSO4 + NO + H2O =>
3 CuS + 8 HNO3 = 3 CuSO4 + 8 NO + 4 H2O
P + Cl2 = PCl5 =>
2 P + 5 Cl2 = 2 PCl5
P2O5(s) + H2O(l) = H3PO4(aq) =>
P2O5(s) + 3 H2O(l) = 2 H3PO4(aq)
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
CaC2O4 + H2SO4 = H2C2O4 + CaSO4 =>
CaC2O4 + H2SO4 = H2C2O4 + CaSO4
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CH4 = C + H2 =>
CH4 = C + 2 H2
Fe + NaOH = Fe(NaOH)3 =>
Fe + 3 NaOH = Fe(NaOH)3
N2H4(l) + O2(g) = N2(g) + H2O(g) =>
N2H4(l) + O2(g) = N2(g) + 2 H2O(g)
ZN + CH3COOH = ZN(CH3COO) + H2 =>
2 ZN + 2 CH3COOH = 2 ZN(CH3COO) + H2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Na + S = Na2S =>
2 Na + S = Na2S
C + O2 = CO =>
2 C + O2 = 2 CO
(NH4)2Cr2O7 = N2 + Cr2O3 + H2O =>
(NH4)2Cr2O7 = N2 + Cr2O3 + 4 H2O
LiHCO3(s) = Li2CO3(s) + H2O(g) + CO2(g) =>
2 LiHCO3(s) = Li2CO3(s) + H2O(g) + CO2(g)
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
HCl + Mg = MgCl2 + H2 =>
2 HCl + Mg = MgCl2 + H2
Na3PO4(aq) + CrCl3(aq) = CrPO4(s) + NaCl(s) =>
Na3PO4(aq) + CrCl3(aq) = CrPO4(s) + 3 NaCl(s)
BCl3 + Na2S2O3 = NaCl + NaBO2 + SO =>
BCl3 + 2 Na2S2O3 = 3 NaCl + NaBO2 + 4 SO
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
H2SO4 + KI = K2SO4 + K2S + I2 + H2O =>
4 H2SO4 + 8 KI = 3 K2SO4 + K2S + 4 I2 + 4 H2O
ZnSO4 + KOH = K2SO4 + Zn(OH)2 =>
ZnSO4 + 2 KOH = K2SO4 + Zn(OH)2
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
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