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2 KNO2(s) + H2SO4(aq) = 2 HNO2(aq) + K2SO4(s)
HgSO4 + H2O = Hg3O6S + H2SO4 =>
3 HgSO4 + 2 H2O = Hg3O6S + 2 H2SO4
C4H2O3 + C6H10 + H2O = C10H14O3 =>
13 C4H2O3 + 18 C6H10 + 9 H2O = 16 C10H14O3
KO2 + H2SO4 = K2SO4 + H2O2 + O2 =>
2 KO2 + H2SO4 = K2SO4 + H2O2 + O2
Br + K(OH) = KBr + KBrO3 + H2O =>
6 Br + 6 K(OH) = 5 KBr + KBrO3 + 3 H2O
NaOH + H2O = NaO2H3 =>
NaOH + H2O = NaO2H3
Ag + HNO3 = AgNO3 + NH3 + H2O =>
8 Ag + 9 HNO3 = 8 AgNO3 + NH3 + 3 H2O
SNO2 + H2SO4 = SN(SO4)2 + H2O =>
SNO2 + 2 H2SO4 = SN(SO4)2 + 2 H2O
C2H6 + F2 = C2H3F3 + HF =>
C2H6 + 3 F2 = C2H3F3 + 3 HF
H2SO3 + KOH = K2SO3 + H2O =>
H2SO3 + 2 KOH = K2SO3 + 2 H2O
Zn + H3PO4 = Zn3(PO4) + H2 =>
6 Zn + 2 H3PO4 = 2 Zn3(PO4) + 3 H2
C6H5COOK + NaOH = Na2CO3 + K2CO3 + C6H6 =>
2 C6H5COOK + 2 NaOH = Na2CO3 + K2CO3 + 2 C6H6
CaCO03 = CaO + CO02 =>
CaCO03 = CaO + CO02
H2O + OH{-} + Co{2+} + O2 = Co(OH)3 =>
2 H2O + 8 OH{-} + 4 Co{2+} + O2 = 4 Co(OH)3
Pb(No3)2 + NH4OH = Pb(OH)2 + NH4(No3) =>
Pb(No3)2 + 2 NH4OH = Pb(OH)2 + 2 NH4(No3)
NH3 + N2 + H2O = NH2OH =>
NH3 + N2 + 3 H2O = 3 NH2OH
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
COOH + Na2CO3 = COONa2 + CO2 + H2O =>
2 COOH + Na2CO3 = COONa2 + 2 CO2 + H2O
Na2S + HF = NaF + H2 + S =>
Na2S + 2 HF = 2 NaF + H2 + S
Cr(s) + O2(g) = Cr2O3(s) =>
4 Cr(s) + 3 O2(g) = 2 Cr2O3(s)
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
Ca3N2 + HBr = CaBr2 + NH3 =>
Ca3N2 + 6 HBr = 3 CaBr2 + 2 NH3
Ni(OH)2 + NH3 = Ni(NH3)6{2+} + OH{-} =>
Ni(OH)2 + 6 NH3 = Ni(NH3)6{2+} + 2 OH{-}
MgCO3 + HCl(aq) = MgCl2(aq) + H2O(l) + CO2(g) =>
MgCO3 + 2 HCl(aq) = MgCl2(aq) + H2O(l) + CO2(g)
C2H5OH + O2 = CO2 + O2OH =>
2 C2H5OH + 21 O2 = 4 CO2 + 12 O2OH
CuS = Cu2S + S =>
2 CuS = Cu2S + S
NH3KOH = KNH3OH =>
NH3KOH = KNH3OH
C + SiO2 = Si + CO2 =>
C + SiO2 = Si + CO2
Ba(NO3)2(aq) + CuSO4(aq) = Ba(SO4)(s) + Cu(NO3)2(ag) =>
Ba(NO3)2(aq) + CuSO4(aq) = Ba(SO4)(s) + Cu(NO3)2(ag)
C7H17O + O2 = CO2 + H2O =>
4 C7H17O + 43 O2 = 28 CO2 + 34 H2O
CH3COONH4 + O2 = CO2 + N2 + H2O =>
4 CH3COONH4 + 11 O2 = 8 CO2 + 2 N2 + 14 H2O
CH3OH + MnO4{-} = CO2 + MnO2 + OH{-} + H2O =>
CH3OH + 2 MnO4{-} = CO2 + 2 MnO2 + 2 OH{-} + H2O
CuSO4 + H2O + FeS2 = Cu2S + Fe2(SO4)3 + H2SO4 =>
6 CuSO4 + 4 H2O + 2 FeS2 = 3 Cu2S + Fe2(SO4)3 + 4 H2SO4
NH4OH + HI = NH4I + HOH =>
NH4OH + HI = NH4I + HOH
Ca2Fe3Mg2Si8O22(OH)2 + O2 = CaMgSi2O6 + Fe3O4 + SiO2 + H2O =>
2 Ca2Fe3Mg2Si8O22(OH)2 + O2 = 4 CaMgSi2O6 + 2 Fe3O4 + 8 SiO2 + 2 H2O
KI + H2(SO4) = K2(SO4) + I2 + H2S + H2O =>
8 KI + 5 H2(SO4) = 4 K2(SO4) + 4 I2 + H2S + 4 H2O
Bi + OH = Bi(OH)5 =>
Bi + 5 OH = Bi(OH)5
KBr2 + Cl2 = KCl2 + Br =>
KBr2 + Cl2 = KCl2 + 2 Br
H2SO4(s) + Zn(aq) = ZnSO4(aq) + H2(g) =>
H2SO4(s) + Zn(aq) = ZnSO4(aq) + H2(g)
Cr(OH)6 + H2O2 = CrO4 + H2O =>
Cr(OH)6 + H2O2 = CrO4 + 4 H2O
Mn(ClO3)2 + NaOH = Mn(OH)2 + NaClO3 =>
Mn(ClO3)2 + 2 NaOH = Mn(OH)2 + 2 NaClO3
C6H5CH3 + Cr2O7{-2} + H{+} = C6H5COOH + Cr{+3} + H2O =>
C6H5CH3 + Cr2O7{-2} + 8 H{+} = C6H5COOH + 2 Cr{+3} + 5 H2O
BaCl2(aq) + AgNO3(aq) = Ba(NO3)2 + AgCl =>
BaCl2(aq) + 2 AgNO3(aq) = Ba(NO3)2 + 2 AgCl
Se2O3 + NaOH = NaSeO2 + H2O =>
Se2O3 + 2 NaOH = 2 NaSeO2 + H2O
BF3 + NaBH4 = NaBF4 + BH3 =>
4 BF3 + 3 NaBH4 = 3 NaBF4 + 4 BH3
C6H5ONa + CO2 = C7H5O3Na =>
C6H5ONa + CO2 = C7H5O3Na
Al2O3 + CO = Al + CO2 =>
Al2O3 + 3 CO = 2 Al + 3 CO2
CS2 + KMnO4 + KOH = S + MnO2 + K2CO3 + H2 =>
2 CS2 + 2 KMnO4 + 2 KOH = 4 S + 2 MnO2 + 2 K2CO3 + H2
NaOH(aq) + Pb(NO3)2(aq) = NaNO3(aq) + Pb(OH)2(s) =>
2 NaOH(aq) + Pb(NO3)2(aq) = 2 NaNO3(aq) + Pb(OH)2(s)
KMnO4 + HCl = MnCl2 + KCl + Cl2 + H2O =>
2 KMnO4 + 16 HCl = 2 MnCl2 + 2 KCl + 5 Cl2 + 8 H2O
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