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2 Fe + 6 HCl = 2 FeCl3 + 3 H2
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
H2 + I2 = HI =>
H2 + I2 = 2 HI
K + O2 = K2O =>
4 K + O2 = 2 K2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Br2 + O2 = Br2O5 =>
2 Br2 + 5 O2 = 2 Br2O5
KIO3 + Na2SO3 + H2SO4 = I2 + Na2SO4 + K2SO4 + H2O =>
2 KIO3 + 5 Na2SO3 + H2SO4 = I2 + 5 Na2SO4 + K2SO4 + H2O
Na + S = Na2S =>
2 Na + S = Na2S
H2 + F2 = HF =>
H2 + F2 = 2 HF
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
CuSO4 + NH4OH = Cu(OH)2 + (NH4)2SO4 =>
CuSO4 + 2 NH4OH = Cu(OH)2 + (NH4)2SO4
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
Al + CuO = Al2O3 + Cu =>
2 Al + 3 CuO = Al2O3 + 3 Cu
BaCl2 + K2CrO4 = BaCrO4 + KCl =>
BaCl2 + K2CrO4 = BaCrO4 + 2 KCl
O3 = O2 =>
2 O3 = 3 O2
Ca(OH)2 + H2SO4 = Ca(HSO4)2 + H2O =>
Ca(OH)2 + 2 H2SO4 = Ca(HSO4)2 + 2 H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
O3 = O2 =>
2 O3 = 3 O2
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
O3 = O2 =>
2 O3 = 3 O2
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
FeO + CO = Fe + CO2 =>
FeO + CO = Fe + CO2
I2O5 + CO = I2 + CO2 =>
I2O5 + 5 CO = I2 + 5 CO2
CH3CH2ONOCH3 + NaOH = NaNO2 + CH3CH2OHCH3 =>
CH3CH2ONOCH3 + NaOH = NaNO2 + CH3CH2OHCH3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
MnO4{-} + Cl{-} + H3O{+} = Mn{2+} + Cl2 + H2O =>
2 MnO4{-} + 10 Cl{-} + 16 H3O{+} = 2 Mn{2+} + 5 Cl2 + 24 H2O
NiSO4 + NaOH = Ni(OH)2 + Na2SO4 =>
NiSO4 + 2 NaOH = Ni(OH)2 + Na2SO4
NaCl + H2O = NaOH + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 NaOH + Cl2 + H2
N2(g) + H2(g) = NH3(g) =>
N2(g) + 3 H2(g) = 2 NH3(g)
Cu2O + O2 = CuO =>
2 Cu2O + O2 = 4 CuO
C + Fe2O3 = Fe + CO =>
3 C + Fe2O3 = 2 Fe + 3 CO
H2 + F2 = HF =>
H2 + F2 = 2 HF
CH3CH2ONO + NaOH = NaNO2 + CH3CH2OH =>
CH3CH2ONO + NaOH = NaNO2 + CH3CH2OH
Mg + HNO3 = Mg(NO3)2 + H2 =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
H2(g) + Br2(g) = HBr(g) =>
H2(g) + Br2(g) = 2 HBr(g)
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