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2 CN + H2 = 2 HCN
H2SO4 + SOCl2 = ClSO3H + HCl + SO2 =>
H2SO4 + SOCl2 = ClSO3H + HCl + SO2
K2O5 + H2 = K + H2O =>
K2O5 + 5 H2 = 2 K + 5 H2O
KMnO4 + NaCl + H2SO4 = K2SO4 + NaSO4 + Cl + MnSO4 + H2O =>
2 KMnO4 + 5 NaCl + 8 H2SO4 = K2SO4 + 5 NaSO4 + 5 Cl + 2 MnSO4 + 8 H2O
C2H6O + K2Cr2O7 + H2SO4 = CH3COOH + CrSO4 + K2SO4 + H2O =>
2 C2H6O + K2Cr2O7 + 3 H2SO4 = 2 CH3COOH + 2 CrSO4 + K2SO4 + 5 H2O
I2 + MgF2 = I2Mg + F2 =>
I2 + MgF2 = I2Mg + F2
NaClO4 + H2SO4 = NaHSO4 + HClO4 =>
NaClO4 + H2SO4 = NaHSO4 + HClO4
AgNO3 + Fe(NO3)3 = Ag(NO3)3 + Fe(NO3) =>
AgNO3 + Fe(NO3)3 = Ag(NO3)3 + Fe(NO3)
(NO3)2 = NO2 + O2 =>
(NO3)2 = 2 NO2 + O2
HCl + Na2S3O3 = SO2 + S + NaCl + H2O =>
2 HCl + Na2S3O3 = SO2 + 2 S + 2 NaCl + H2O
Al2(SO3)3 + KNO3 = Al(NO3)3 + K2SO3 =>
Al2(SO3)3 + 6 KNO3 = 2 Al(NO3)3 + 3 K2SO3
NaCl(s) + AgNO3(s) = NaNO3 + AgCl =>
NaCl(s) + AgNO3(s) = NaNO3 + AgCl
FeS + HNO3 = Fe(SO4)3 + NO + H2O + Fe(NO3)3 =>
3 FeS + 16 HNO3 = Fe(SO4)3 + 10 NO + 8 H2O + 2 Fe(NO3)3
CdBr2 + Na3PO4 = Cd3(PO4)2 + BrNa =>
3 CdBr2 + 2 Na3PO4 = Cd3(PO4)2 + 6 BrNa
I2 + HClO4 + H2O = H5IO6 + Cl2 =>
I2 + 2 HClO4 + 4 H2O = 2 H5IO6 + Cl2
NaOH(g) + H2SO4(g) = Na2SO4 + H2O(g) =>
2 NaOH(g) + H2SO4(g) = Na2SO4 + 2 H2O(g)
FeO + O2 = Fe2O3 =>
4 FeO + O2 = 2 Fe2O3
NaOH(aq) + H2SO4(l) = Na2SO4(aq) + H2O(l) =>
2 NaOH(aq) + H2SO4(l) = Na2SO4(aq) + 2 H2O(l)
Cu2[Fe(CN)6] = Cu + [Fe(CN)6] =>
Cu2[Fe(CN)6] = 2 Cu + [Fe(CN)6]
NaOHHClO4 = NaClO4H2O =>
NaOHHClO4 = NaClO4H2O
C3H5NO2 + O2 = CO2 + H2O + NO2 =>
4 C3H5NO2 + 17 O2 = 12 CO2 + 10 H2O + 4 NO2
KI + H2SO4 = K2SO4 + I2 + H2S + H2O =>
8 KI + 5 H2SO4 = 4 K2SO4 + 4 I2 + H2S + 4 H2O
AgNO3 + K2CrO4 = Ag2CrO4 + KNO3 =>
2 AgNO3 + K2CrO4 = Ag2CrO4 + 2 KNO3
C2H6N2 = C2H6 + N2 =>
C2H6N2 = C2H6 + N2
H[Br2] + NaOH = H2O + NaBr2 =>
H[Br2] + NaOH = H2O + NaBr2
SiMg2 + [NH4]Br = SiH4 + MgBr2 + NH3 =>
SiMg2 + 4[NH4]Br = SiH4 + 2 MgBr2 + 4 NH3
CuSO4(aq)ZnCl2(aq) = ZnSO4(aq)CuCl2(s) =>
CuSO4(aq)ZnCl2(aq) = ZnSO4(aq)CuCl2(s)
Pb(NO3)2 + BaCl2 = PbCl2 + Ba(NO3)2 =>
Pb(NO3)2 + BaCl2 = PbCl2 + Ba(NO3)2
Mg(OH)2 + No = Mg(No3)2 + OH =>
Mg(OH)2 + 6 No = Mg(No3)2 + 2 OH
HN2O3 = (NO3)2 + NO + H2O =>
8 HN2O3 = (NO3)2 + 14 NO + 4 H2O
Zn + K[Au(CN)2] = K2[Zn(CN)4] + Au =>
Zn + 2 K[Au(CN)2] = K2[Zn(CN)4] + 2 Au
NO2HNO3 = NO3HNO2 =>
NO2HNO3 = NO3HNO2
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
AlCl3MgCl2 = MgCl3AlCl2 =>
AlCl3MgCl2 = MgCl3AlCl2
CHO3 = CO2OH =>
CHO3 = CO2OH
H2SO4 + BaBr2 = Ba(SO4) + HBr =>
H2SO4 + BaBr2 = Ba(SO4) + 2 HBr
CO(g) + H2 = CH4(g) + H2O(l) =>
CO(g) + 3 H2 = CH4(g) + H2O(l)
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
MgNH4AsO4*6H2O = Mg2As2O7 + NH3 + H2O =>
2 MgNH4AsO4*6H2O = Mg2As2O7 + 2 NH3 + 13 H2O
MnO4{-} + OH{-} + (COOH)2{-2} = MnO4{-2} + CO2 + H2O =>
4 MnO4{-} + 2 OH{-} + (COOH)2{-2} = 4 MnO4{-2} + 2 CO2 + 2 H2O
HgO = Hg + O2 = =>
2 HgO = 2 Hg + O2
Mg(No3)2 + Na2CO3 = MgCO3 + Na(No3) =>
Mg(No3)2 + Na2CO3 = MgCO3 + 2 Na(No3)
Fe + H3PO4 = Fe3(PO4)2 + H2 =>
3 Fe + 2 H3PO4 = Fe3(PO4)2 + 3 H2
Na2SO4 + HgClO3 = Hg2SO4 + NaClO3 =>
Na2SO4 + 2 HgClO3 = Hg2SO4 + 2 NaClO3
KClO3 + F2 = KF + O2 + Cl2 =>
2 KClO3 + F2 = 2 KF + 3 O2 + Cl2
Sn + Pb(SO4)2 = Sn(SO4)2 + Pb =>
Sn + Pb(SO4)2 = Sn(SO4)2 + Pb
HCl + Hg = Hg2Cl + H2 =>
2 HCl + 4 Hg = 2 Hg2Cl + H2
CH3OH + K2CO3 = KOH + KOCH3 + CO2 =>
CH3OH + K2CO3 = KOH + KOCH3 + CO2
Na2SO3 + Al(NO3)3 + H2O = NaNO3 + Al(OH)3 + SO2 =>
3 Na2SO3 + 2 Al(NO3)3 + 3 H2O = 6 NaNO3 + 2 Al(OH)3 + 3 SO2
Pb(CH3COO)2 + Cr = Cr(CH3COO) + Pb =>
Pb(CH3COO)2 + 2 Cr = 2 Cr(CH3COO) + Pb
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