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4 Fe + 3 O2 = 2 Fe2O3
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
Na2CO3 + HCl = NaCl + CO2 + H2O =>
Na2CO3 + 2 HCl = 2 NaCl + CO2 + H2O
Br2 + NaOH = NaBrO3 + NaBr + H2O =>
3 Br2 + 6 NaOH = NaBrO3 + 5 NaBr + 3 H2O
H2S + SO2 = H2O + S =>
2 H2S + SO2 = 2 H2O + 3 S
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
PCl3(g) + Cl2(g) = PCl5(g) =>
PCl3(g) + Cl2(g) = PCl5(g)
MnO2 + KI + H2SO4 = MnSO4 + K2SO4 + I2 + H2O =>
MnO2 + 2 KI + 2 H2SO4 = MnSO4 + K2SO4 + I2 + 2 H2O
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
Cu + H2SO4 = CuSO4 + SO2 + H2O =>
Cu + 2 H2SO4 = CuSO4 + SO2 + 2 H2O
C4H10 + HNO3 = C4H9NO2 + H2O =>
C4H10 + HNO3 = C4H9NO2 + H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Al + H2O + NaOH = NaAl(OH)4 + H2 =>
2 Al + 6 H2O + 2 NaOH = 2 NaAl(OH)4 + 3 H2
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
NaS + H2O = NaOH + HS =>
NaS + H2O = NaOH + HS
Zn(OH)2 + Ba(OH)2 = Ba(ZnO2) + H2O =>
Zn(OH)2 + Ba(OH)2 = Ba(ZnO2) + 2 H2O
C4H10 + Br2 = C4H9Br + HBr =>
C4H10 + Br2 = C4H9Br + HBr
K + F = KF =>
K + F = KF
C2H3NaO2 + NaOH = CH4 + Na2CO3 =>
C2H3NaO2 + NaOH = CH4 + Na2CO3
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
CH3(CH2)4CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)4CH3 + 19 O2 = 12 CO2 + 14 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Pb + CO3 = PbCO3 =>
Pb + CO3 = PbCO3
KJ + K2Cr2O7 + H2SO4 = J2 + Cr2(SO4)3 + K2SO4 + H2O =>
6 KJ + K2Cr2O7 + 7 H2SO4 = 3 J2 + Cr2(SO4)3 + 4 K2SO4 + 7 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
CH3(CH2)6CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)6CH3 + 25 O2 = 16 CO2 + 18 H2O
C + O2 = CO2 =>
C + O2 = CO2
NaAl(OH)4 + Si(OH)4 = Na12[(AlO2)12(SiO2)12] + H2O =>
12 NaAl(OH)4 + 12 Si(OH)4 = Na12[(AlO2)12(SiO2)12] + 48 H2O
CuS + HNO3 = Cu(NO3)2 + NO + S + H2O =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 3 S + 4 H2O
ClCH2COOH + COCl2 = ClCH2COCl + H2O + CO =>
4 ClCH2COOH + COCl2 = 3 ClCH2COCl + 3 H2O + 3 CO
ClCH2COOH + COCl2 = ClCH2COCl + H2O + CO2 =>
2 ClCH2COOH + COCl2 = 2 ClCH2COCl + H2O + CO2
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
H2SO4 + Ba(OH)2 = BaSO4 + H2O =>
H2SO4 + Ba(OH)2 = BaSO4 + 2 H2O
FeCO3 + HNO3 = Fe(NO3)3 + CO2 + NO + H2O =>
3 FeCO3 + 10 HNO3 = 3 Fe(NO3)3 + 3 CO2 + NO + 5 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
H + COOH = HCOOH =>
H + COOH = HCOOH
NAOH + AGNO3 = NANO3 + AGOH =>
NAOH + AGNO3 = NANO3 + AGOH
Al2O3 + CaO = Ca(AlO2)2 =>
Al2O3 + CaO = Ca(AlO2)2
CoCl2 + H2O = Co(H2O)6Cl2 =>
CoCl2 + 6 H2O = Co(H2O)6Cl2
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
KMnO4 + Na2S2O3 + HCl = NaCl + HMnO4 + K2S2O3 =>
2 KMnO4 + Na2S2O3 + 2 HCl = 2 NaCl + 2 HMnO4 + K2S2O3
Cu + AgNO3 = CuNO3 + Ag =>
Cu + AgNO3 = CuNO3 + Ag
Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2
NaOH + AgNO3 = NaNO3 + AgOH =>
NaOH + AgNO3 = NaNO3 + AgOH
AgCl + K2S = KCl + Ag2S =>
2 AgCl + K2S = 2 KCl + Ag2S
NaOH + H2So4 = Na2So4 + H2O =>
2 NaOH + H2So4 = Na2So4 + 2 H2O
CaO + SiO2 = CaSiO3 =>
CaO + SiO2 = CaSiO3
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