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2 Fe3 + 3 O2 = 2 Fe3O3
C14H30 + O2 = CO2 + H2O =>
2 C14H30 + 43 O2 = 28 CO2 + 30 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Mg(OH)2(s) + HCl(ac) = H2O(l) + MgCl2(ac) =>
Mg(OH)2(s) + 2 HCl(ac) = 2 H2O(l) + MgCl2(ac)
Au + H2So4 = Au(So4)3 + H2 =>
Au + 3 H2So4 = Au(So4)3 + 3 H2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
HCl + NAOH = H2O + NACl =>
HCl + NAOH = H2O + NACl
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Br2 + KI = I2 + KBr =>
Br2 + 2 KI = I2 + 2 KBr
ZnO + C = Zn + CO2 =>
2 ZnO + C = 2 Zn + CO2
Fe(OH)3 + KOH = KFeO2 + H2O =>
Fe(OH)3 + KOH = KFeO2 + 2 H2O
C2H6 + O2 = H2O + CO2 =>
2 C2H6 + 7 O2 = 6 H2O + 4 CO2
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
NaHCO3 + CH3COOH = CH3COONa + CO2 + H20 =>
10 NaHCO3 + 15 CH3COOH = 10 CH3COONa + 20 CO2 + 2 H20
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Fe(HCO3)2 + H2SO4 = FeSO4 + CO2 + H2O =>
Fe(HCO3)2 + H2SO4 = FeSO4 + 2 CO2 + 2 H2O
CuFeS2 + O2 = Cu + SO2 + FeSO3 =>
2 CuFeS2 + 5 O2 = 2 Cu + 2 SO2 + 2 FeSO3
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Mg + HCl = MgCl12 + H2 =>
Mg + 12 HCl = MgCl12 + 6 H2
H + I2 = HI =>
2 H + I2 = 2 HI
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
CuCl2 + NaOH = CuO2H2 + NaCl =>
CuCl2 + 2 NaOH = CuO2H2 + 2 NaCl
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Na2B4O7 + H2O = H3BO3 + NaOH =>
Na2B4O7 + 7 H2O = 4 H3BO3 + 2 NaOH
H + I2 = HI =>
2 H + I2 = 2 HI
N2 + O2 = NO =>
N2 + O2 = 2 NO
CuCl2 + Na2S = NaCl + CuS =>
CuCl2 + Na2S = 2 NaCl + CuS
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
SNO2 + H2 = SN + H2O =>
SNO2 + 2 H2 = SN + 2 H2O
Fe(HCO3)3 + H2SO4 = Fe2(SO4)3 + H2O + CO2 =>
2 Fe(HCO3)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O + 6 CO2
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
FeCO3 + H2SO4 = Fe2(SO4)2 + H2O + CO2 =>
2 FeCO3 + 2 H2SO4 = Fe2(SO4)2 + 2 H2O + 2 CO2
NaHCO3 + CH3COOH = CH3COONa + CO2 + H2O =>
NaHCO3 + CH3COOH = CH3COONa + CO2 + H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
HBr = H2 + Br2 =>
2 HBr = H2 + Br2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C2H6 + O2 = H20 + CO2 =>
10 C2H6 + 20 O2 = 3 H20 + 20 CO2
C + O2 = CO2 =>
C + O2 = CO2
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
C2H6 + O2 = H2O + CO2 =>
2 C2H6 + 7 O2 = 6 H2O + 4 CO2
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
NH4Cl + NaOH = NH3 + H2O + NaCl =>
NH4Cl + NaOH = NH3 + H2O + NaCl
Pb(NO3)2(aq) + KI(aq) = PbI2(s) + KNO3(aq) =>
Pb(NO3)2(aq) + 2 KI(aq) = PbI2(s) + 2 KNO3(aq)
HNO3 + HCl = NOCl2 + Cl2 + H2O =>
2 HNO3 + 6 HCl = 2 NOCl2 + Cl2 + 4 H2O
N2 + O2 = NO =>
N2 + O2 = 2 NO
Sb + O2 = Sb2O5 =>
4 Sb + 5 O2 = 2 Sb2O5
Cu + AgNO3 = CuNO3 + Ag =>
Cu + AgNO3 = CuNO3 + Ag
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