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FeS + 2 HCl = FeCl2 + H2S
Na3 + Cl2 = NaCl5 =>
2 Na3 + 15 Cl2 = 6 NaCl5
C6H5Br + Mg + C4H10O + CO2 = C6H5COOH + MgBrOH =>
13 C6H5Br + 13 Mg + 5 C4H10O + 21 CO2 = 17 C6H5COOH + 13 MgBrOH
AGI + NH4OH = AGOH + NH4I =>
AGI + NH4OH = AGOH + NH4I
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Fe + HCl = H2 + FeCl2 =>
Fe + 2 HCl = H2 + FeCl2
NaI + H2SO4 = I2 + H2S + H2O + Na2SO4 =>
8 NaI + 5 H2SO4 = 4 I2 + H2S + 4 H2O + 4 Na2SO4
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
KIO3 + H2SO4 + FeSO4 = Fe2(SO4)3 + K2SO4 + I2 + H2O =>
2 KIO3 + 6 H2SO4 + 10 FeSO4 = 5 Fe2(SO4)3 + K2SO4 + I2 + 6 H2O
C + H2SO4 = SO2 + CO2 + H2O =>
C + 2 H2SO4 = 2 SO2 + CO2 + 2 H2O
CH3NH2 + H2O = CH3NH3 + OH =>
CH3NH2 + H2O = CH3NH3 + OH
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
C + H2O = CH4 + CO2 =>
2 C + 2 H2O = CH4 + CO2
HGO(s) = HG(l) + O2(g) =>
2 HGO(s) = 2 HG(l) + O2(g)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
KO2 + H2O = O2 + KOH =>
4 KO2 + 2 H2O = 3 O2 + 4 KOH
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al + CuCl2 = AlCl2 + Cu =>
Al + CuCl2 = AlCl2 + Cu
NaC2H3O2 + CaCO3 = Ca(C2H3O2)2 + Na2(CO3) =>
2 NaC2H3O2 + CaCO3 = Ca(C2H3O2)2 + Na2(CO3)
Zn(OH)2 + SO3 = ZnSO4 + H2O =>
Zn(OH)2 + SO3 = ZnSO4 + H2O
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
CuCl2 + K3Fe(Cn)6 = Cu3[Fe(Cn)6]2 + KCl =>
3 CuCl2 + 2 K3Fe(Cn)6 = Cu3[Fe(Cn)6]2 + 6 KCl
HBr(aq) + NH3(aq) = NH4 + Br2 =>
2 HBr(aq) + 2 NH3(aq) = 2 NH4 + Br2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
C7H8 + HNO3 = C7H7NO2 + H2O =>
C7H8 + HNO3 = C7H7NO2 + H2O
PbO2 + C = Pb + CO =>
PbO2 + 2 C = Pb + 2 CO
Fe2O3 + H2SO4 = Fe2(SO4)3 + H2O =>
Fe2O3 + 3 H2SO4 = Fe2(SO4)3 + 3 H2O
Al + O = Al2O3 =>
2 Al + 3 O = Al2O3
KMnO4 + H2SO4 + C4H9OH = MnSO4 + KOH + H2O + CO2 =>
24 KMnO4 + 24 H2SO4 + 5 C4H9OH = 24 MnSO4 + 24 KOH + 37 H2O + 20 CO2
Al(s) + H2SO4(aq) = Al2(SO4)3(aq) + H2(g) =>
2 Al(s) + 3 H2SO4(aq) = Al2(SO4)3(aq) + 3 H2(g)
SO2 + H2 = H2S + H2O =>
SO2 + 3 H2 = H2S + 2 H2O
Pb + HNO3 = Pb(NO3) + NO2 + H2O =>
Pb + 2 HNO3 = Pb(NO3) + NO2 + H2O
CH3COOC2H5 + NAOH = C2H5OH + CH3COONA =>
CH3COOC2H5 + NAOH = C2H5OH + CH3COONA
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
KI + H2SO4 = K2SO4 + SO2 + I2 + H2O =>
2 KI + 2 H2SO4 = K2SO4 + SO2 + I2 + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
N2 + O2 = NO =>
N2 + O2 = 2 NO
Al2O3 + NaOH = NaAlO2 + H2O =>
Al2O3 + 2 NaOH = 2 NaAlO2 + H2O
Zn + HCl = H2 + ZnCl2 =>
Zn + 2 HCl = H2 + ZnCl2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
ZNO + H2O = ZN(OH)2 =>
ZNO + H2O = ZN(OH)2
C5H2OH + O2 = CO2 + H2O =>
4 C5H2OH + 21 O2 = 20 CO2 + 6 H2O
C3H6(g) + O2(g) = CO2(g) + H2O(g) =>
2 C3H6(g) + 9 O2(g) = 6 CO2(g) + 6 H2O(g)
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