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I2(s) + 2 NaS(l) = 2 NaI(aq)S(g)
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Pb + CaCl2 = Ca + PbCl2 =>
Pb + CaCl2 = Ca + PbCl2
HNF = NHF =>
HNF = NHF
Al + N2 = AlN =>
2 Al + N2 = 2 AlN
SnCl4 + Cr(NO3)3 = Sn(NO3)4 + CrCl3 =>
3 SnCl4 + 4 Cr(NO3)3 = 3 Sn(NO3)4 + 4 CrCl3
C + H2O = CH4 + CO2 =>
2 C + 2 H2O = CH4 + CO2
C4H8S + O2 = CO2 + H2O + SO3 =>
2 C4H8S + 15 O2 = 8 CO2 + 8 H2O + 2 SO3
Cu(NO3)2FeCl2 = Fe(NO3)2CuCl2 =>
Cu(NO3)2FeCl2 = Fe(NO3)2CuCl2
C = C60 =>
60 C = C60
Pb(OH)2 + Ba(OH)2 = BaPbO2 + H2O =>
Pb(OH)2 + Ba(OH)2 = BaPbO2 + 2 H2O
Ag(NO3) = Ag + NO3 =>
Ag(NO3) = Ag + NO3
(NH4)2S + K2Cr2O7 + H2O = S + Cr(OH)3 + KOH + NH4OH =>
3(NH4)2S + K2Cr2O7 + 7 H2O = 3 S + 2 Cr(OH)3 + 2 KOH + 6 NH4OH
C2H6HCl = C2H6ClH =>
C2H6HCl = C2H6ClH
SiCl4 + SiO2 = Si + ClO =>
SiCl4 + 2 SiO2 = 3 Si + 4 ClO
Fe2O3 + AlCl3 = Fe + Al2O3 + Cl2 =>
Fe2O3 + 2 AlCl3 = 2 Fe + Al2O3 + 3 Cl2
CH3OH + CuO = H2O + CHCOH + Cu =>
2 CH3OH + 2 CuO = 3 H2O + CHCOH + 2 Cu
Cr2O7 + CH3CHOHCH3 = CH3COCH3 + Cr + H2O =>
Cr2O7 + 7 CH3CHOHCH3 = 7 CH3COCH3 + 2 Cr + 7 H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
BaCl2 + K2(CO3) = Ba(CO3) + KCl =>
BaCl2 + K2(CO3) = Ba(CO3) + 2 KCl
Cl2 + F = ClF =>
Cl2 + 2 F = 2 ClF
Fe2O3 + CaCO3 = CaO + Fe2(CO3)3 =>
Fe2O3 + 3 CaCO3 = 3 CaO + Fe2(CO3)3
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
K2MnO4 + Cl2 = KMnO4 + KCl =>
2 K2MnO4 + Cl2 = 2 KMnO4 + 2 KCl
Al + MgSO4 = Al(SO4)2 + Mg =>
Al + 2 MgSO4 = Al(SO4)2 + 2 Mg
Ni(CH3CO2)2*4H2O + C7H6O2 + C3H9N = Ni(C10H12NO)2 + (H3NC3H7)(CH3CO2) + H2O =>
Ni(CH3CO2)2*4H2O + 2 C7H6O2 + 4 C3H9N = Ni(C10H12NO)2 + 2(H3NC3H7)(CH3CO2) + 6 H2O
KMnO4 + H2O + VCl3 = HVO3 + KCl + MnCl2 + HCl =>
2 KMnO4 + 7 H2O + 5 VCl3 = 5 HVO3 + 2 KCl + 2 MnCl2 + 9 HCl
NH4HCO3 = NH3 + H2O + CO2 =>
NH4HCO3 = NH3 + H2O + CO2
NaCH3COO + H2SO4 = CH3COOH + NaHSO4 =>
NaCH3COO + H2SO4 = CH3COOH + NaHSO4
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
ZnS + NaCl = ZnCl2 + Na2S =>
ZnS + 2 NaCl = ZnCl2 + Na2S
H2O + P4 = PH3 + O =>
6 H2O + P4 = 4 PH3 + 6 O
KOH + CuSO3 = KSO3 + CuOH =>
KOH + CuSO3 = KSO3 + CuOH
SO2 + H2 = S + H2O =>
SO2 + 2 H2 = S + 2 H2O
Fe + HCl = FeCl2 + H2 = =>
Fe + 2 HCl = FeCl2 + H2
PbO2 + CH3COOH = Pb(CH3COO)4 + H2O =>
PbO2 + 4 CH3COOH = Pb(CH3COO)4 + 2 H2O
NiCO3(s) + HNO3(aq) = Ni(NO3)2(aq) + H2CO3(aq) =>
NiCO3(s) + 2 HNO3(aq) = Ni(NO3)2(aq) + H2CO3(aq)
NaHCO3(s) + C6H5O7H3(aq) = H2O + CO2(g) + NaC2H3O2(aq) =>
9 NaHCO3(s) + 4 C6H5O7H3(aq) = 7 H2O + 15 CO2(g) + 9 NaC2H3O2(aq)
NaOHKCl = KOHNaCl =>
NaOHKCl = KOHNaCl
Ca(OH)2 + H2Po4 = CaPo4 + H2O =>
Ca(OH)2 + H2Po4 = CaPo4 + 2 H2O
CrCl3 + PbO2 + NaOH = Na2CrO4 + PbCl2 + HOH =>
2 CrCl3 + 3 PbO2 + 4 NaOH = 2 Na2CrO4 + 3 PbCl2 + 2 HOH
CH3CH(OH)COOH + KMnO4 = CH3CH(OH)COOK + MnO4 + H2 =>
2 CH3CH(OH)COOH + 2 KMnO4 = 2 CH3CH(OH)COOK + 2 MnO4 + H2
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
F2 + KI = K + FI =>
F2 + 2 KI = 2 K + 2 FI
PbCl4 + KOH = Pb(OH)4 + KCl =>
PbCl4 + 4 KOH = Pb(OH)4 + 4 KCl
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
NaNO2 + KCr2O7 + H2SO4 = NaNO3 + CrSO4 + KSO4 + H2O =>
4 NaNO2 + KCr2O7 + 3 H2SO4 = 4 NaNO3 + 2 CrSO4 + KSO4 + 3 H2O
Tl2O3 + Pb = PbO2 + Tl =>
2 Tl2O3 + 3 Pb = 3 PbO2 + 4 Tl
K2O + CO2 = K2CO3 =>
K2O + CO2 = K2CO3
H2SO4 + NaFeO4 = H2O + NaSO4 + FeO3 =>
H2SO4 + NaFeO4 = H2O + NaSO4 + FeO3
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