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Cr + 3 H2 = CrH6
H + S + O = H2SO3 =>
2 H + S + 3 O = H2SO3
Cr2(SO4)3 + NaOH = Cr(OH)3 + Na2SO4 =>
Cr2(SO4)3 + 6 NaOH = 2 Cr(OH)3 + 3 Na2SO4
C3H8(s) + O2(g) = CO2 + H2O =>
C3H8(s) + 5 O2(g) = 3 CO2 + 4 H2O
H2S(aq) + NiSO4(aq) = HSO4(s) + Ni2S(aq) =>
H2S(aq) + 2 NiSO4(aq) = 2 HSO4(s) + Ni2S(aq)
K + HgO = K2O + Hg =>
2 K + HgO = K2O + Hg
Hg(NO3)2 + K2S = HgK2 + S(NO3)2 =>
Hg(NO3)2 + K2S = HgK2 + S(NO3)2
A + A2O3 = A3O4 =>
A + 4 A2O3 = 3 A3O4
C2H5NO2 + CuCO3 = CO2 + H2O + Cu(C2H4NO2)2 =>
2 C2H5NO2 + CuCO3 = CO2 + H2O + Cu(C2H4NO2)2
HCuCl2 + H2O = H2CuCl2(OH) =>
HCuCl2 + H2O = H2CuCl2(OH)
Na2S2O3 + NaOH = Na2S + Na2SO3 + H2O =>
3 Na2S2O3 + 6 NaOH = 2 Na2S + 4 Na2SO3 + 3 H2O
KClO4 + MnO2 = KCl + MnO4 =>
KClO4 + 2 MnO2 = KCl + 2 MnO4
Sn + Zn(NO3)2 = Sn(NO3)4 + Zn =>
Sn + 2 Zn(NO3)2 = Sn(NO3)4 + 2 Zn
Co + HF = CoF3 + H2 =>
2 Co + 6 HF = 2 CoF3 + 3 H2
(NH4)2 + HCl = NH4Cl + H2 =>
(NH4)2 + 2 HCl = 2 NH4Cl + H2
C6H14 + Cl2 = C6H12Cl2 + HCl =>
C6H14 + 2 Cl2 = C6H12Cl2 + 2 HCl
AgCl + O2 = AgClO2 =>
AgCl + O2 = AgClO2
Al(No3)3 + NaCl = AlCl3 + NaNo3 =>
Al(No3)3 + 3 NaCl = AlCl3 + 3 NaNo3
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
H2Br2 = HBr =>
H2Br2 = 2 HBr
K2CO3 + Mg(NO3)2 = KNO3 + MgCO3 =>
K2CO3 + Mg(NO3)2 = 2 KNO3 + MgCO3
AgNO3 + Fe(NO3)3 = Ag(NO3)3 + Fe(NO3)2 =>
AgNO3 + 2 Fe(NO3)3 = Ag(NO3)3 + 2 Fe(NO3)2
H2O(l) + CaC2(s) = C2H2(g) + Ca(OH)2(s) =>
2 H2O(l) + CaC2(s) = C2H2(g) + Ca(OH)2(s)
CH3COONa + H2SO4 = CH3COOH + Na2SO4 =>
2 CH3COONa + H2SO4 = 2 CH3COOH + Na2SO4
NaBiO3 + CrCl3 + HCl = BiCl3 + Na2Cr2O7 + NaCl + H2O =>
3 NaBiO3 + 2 CrCl3 + 4 HCl = 3 BiCl3 + Na2Cr2O7 + NaCl + 2 H2O
KNO3(aq) = KNO2(s) + O2(g) =>
2 KNO3(aq) = 2 KNO2(s) + O2(g)
As2S3 + KClO3 + H2O = H2AsO4 + H2SO4 + KCl =>
As2S3 + 5 KClO3 + 5 H2O = 2 H2AsO4 + 3 H2SO4 + 5 KCl
C7H8 + H2O = CO2 + CH4 =>
2 C7H8 + 10 H2O = 5 CO2 + 9 CH4
SO3{2-} + H2O = H2SO3 + OH{-} =>
SO3{2-} + 2 H2O = H2SO3 + 2 OH{-}
HBr + NaBr = Br2 + NaH =>
HBr + NaBr = Br2 + NaH
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
C9H10O3 + C9H8O = C18H18O + O2 =>
2 C9H10O3 + 2 C9H8O = 2 C18H18O + 3 O2
Ca + Zn(IO3)2 = Ca(IO3)2 + Zn =>
Ca + Zn(IO3)2 = Ca(IO3)2 + Zn
NaI(aq) + CaCl2(aq) = NaCl + CaI2 =>
2 NaI(aq) + CaCl2(aq) = 2 NaCl + CaI2
Li + Na2S = Na + Li2S =>
2 Li + Na2S = 2 Na + Li2S
C2H2 + H2O = C2H4O =>
C2H2 + H2O = C2H4O
KClO3 + NaHSO3 = Na2SO4 + KCl + H2SO4 =>
2 KClO3 + 6 NaHSO3 = 3 Na2SO4 + 2 KCl + 3 H2SO4
Na2CO3 + NaOH = H2CO3 + Na2O =>
Na2CO3 + 2 NaOH = H2CO3 + 2 Na2O
H3AsO4 + HI = H3AsO3 + I2 + H2O =>
H3AsO4 + 2 HI = H3AsO3 + I2 + H2O
NH3 + H2O = NH4{+} + OH{-} =>
NH3 + H2O = NH4{+} + OH{-}
HCOOH + NH3 = NH4HCOO =>
HCOOH + NH3 = NH4HCOO
NaAlO2 + Na2SiO3*5H2O = Na2Al2Si2O8*H2O + NaOH + H2O =>
2 NaAlO2 + 2 Na2SiO3*5H2O = Na2Al2Si2O8*H2O + 4 NaOH + 7 H2O
K + (NO3)2 = KNO3 =>
2 K + (NO3)2 = 2 KNO3
Na2SiO3 + HF = H2SiF6 + NaF + H2O =>
Na2SiO3 + 8 HF = H2SiF6 + 2 NaF + 3 H2O
AlCl3 + NaPO4 = NaCl3 + AlPO4 =>
AlCl3 + NaPO4 = NaCl3 + AlPO4
Pb(NO3)2 + HCl = PbCl2 + HNO3 =>
Pb(NO3)2 + 2 HCl = PbCl2 + 2 HNO3
HI + H2SO4 = I2 + H2S + H2O =>
8 HI + H2SO4 = 4 I2 + H2S + 4 H2O
Pb(s) + AgNO3(ac) = Pb(NO3)2(ac) + Ag(s) =>
Pb(s) + 2 AgNO3(ac) = Pb(NO3)2(ac) + 2 Ag(s)
(C2H5)2NH2 + O2 = CO2 + N2 + H2O =>
2(C2H5)2NH2 + 14 O2 = 8 CO2 + N2 + 12 H2O
NH + O2 = NO + HO2 =>
2 NH + 3 O2 = 2 NO + 2 HO2
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