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K2S(aq) + Pb(NO3)2(aq) = 2 K(NO3) + PbS
CH4 + Cl2 = CH3CH3 + HCl =>
2 CH4 + Cl2 = CH3CH3 + 2 HCl
MnO4{-} + H{+} + Fe{2+} = Mn{2+} + Fe{3+} + H2O =>
MnO4{-} + 8 H{+} + 5 Fe{2+} = Mn{2+} + 5 Fe{3+} + 4 H2O
Sn + H2SO4 = Sn(SO4)2 + H2 =>
Sn + 2 H2SO4 = Sn(SO4)2 + 2 H2
Ba(OH)2 + Cu(CH3COO)2 = Ba(CH3COO)2 + Cu(OH)2 =>
Ba(OH)2 + Cu(CH3COO)2 = Ba(CH3COO)2 + Cu(OH)2
KMnO4 + ((C3H5)(OH)3) = K2CO3 + Mn2O3 + CO2 + H2O =>
14 KMnO4 + 4((C3H5)(OH)3) = 7 K2CO3 + 7 Mn2O3 + 5 CO2 + 16 H2O
Al + S = Al4S3 =>
4 Al + 3 S = Al4S3
I2(s) + NaBr(aq) = NaI + Br2 =>
I2(s) + 2 NaBr(aq) = 2 NaI + Br2
Hg + O2 = HgO =>
2 Hg + O2 = 2 HgO
Mg(NO3)2 + H2SO4 = MgSO4 + H2(NO3)2 =>
Mg(NO3)2 + H2SO4 = MgSO4 + H2(NO3)2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Bi2O3 + ClO{-} + OH{-} = BiO3{-} + Cl{-} + H2O =>
Bi2O3 + 2 ClO{-} + 2 OH{-} = 2 BiO3{-} + 2 Cl{-} + H2O
HF(aq) + LiOH(aq) = FLi + H2O =>
HF(aq) + LiOH(aq) = FLi + H2O
NaOH(aq) + HCN(aq) = H2O(l) + NaCN(aq) =>
NaOH(aq) + HCN(aq) = H2O(l) + NaCN(aq)
(NH4)2S + O2 = NH3 + H2O + S8 =>
8(NH4)2S + 4 O2 = 16 NH3 + 8 H2O + S8
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Cu(OH)2 + (NH4OH*9H2O) + NH4NO3 = [Cu(NH3)4](NO3)2 + H2O =>
Cu(OH)2 + 2(NH4OH*9H2O) + 2 NH4NO3 = [Cu(NH3)4](NO3)2 + 22 H2O
Ag + H2SO4(con) = Ag2SO4 + H2O + SO2 =>
2 Ag + 2 H2SO4(con) = Ag2SO4 + 2 H2O + SO2
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
Ba(NO3)2 + K3(PO4) = Ba3(PO4)2 + K(NO3) =>
3 Ba(NO3)2 + 2 K3(PO4) = Ba3(PO4)2 + 6 K(NO3)
NO2 + Cr2O7 = Cr + NO3 =>
7 NO2 + Cr2O7 = 2 Cr + 7 NO3
NaOH + P4 + H2O = Na2HPO3 + PH3 =>
4 NaOH + P4 + 2 H2O = 2 Na2HPO3 + 2 PH3
Cu + Cu(NO3)2 + H2SO4 = CuSO4 + NO + H2O =>
3 Cu + Cu(NO3)2 + 4 H2SO4 = 4 CuSO4 + 2 NO + 4 H2O
Zn + HNO3 = N2 + ZnNO3 + H2O =>
10 Zn + 12 HNO3 = N2 + 10 ZnNO3 + 6 H2O
BaO + CO2 = BaCO3 =>
BaO + CO2 = BaCO3
Ag2CO3 + HCl = AgCl + H2CO3 =>
Ag2CO3 + 2 HCl = 2 AgCl + H2CO3
Sr(OH)2 + HBr = SrBr + H(OH)2 =>
Sr(OH)2 + HBr = SrBr + H(OH)2
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
As2O3 + HCl + KMnO4 = As2O5 + MnCl2 + KCl + H2O =>
5 As2O3 + 12 HCl + 4 KMnO4 = 5 As2O5 + 4 MnCl2 + 4 KCl + 6 H2O
CaCl2 + NaNO3 = Ca(NO3)2 + NaCl =>
CaCl2 + 2 NaNO3 = Ca(NO3)2 + 2 NaCl
NH3 + CuCl2 = Cl + Cu(NH3)4 =>
4 NH3 + CuCl2 = 2 Cl + Cu(NH3)4
Fe(CN)6{4-} = FeC2 + CN{-} + N2 =>
Fe(CN)6{4-} = FeC2 + 4 CN{-} + N2
Cu + HNO{3} = Cu(NO{3}) + NO + H{2}O =>
Cu + 3 HNO{3} = Cu(NO{3}) + 2 NO + 3 H{2}O
Ba + Si = Ba2Si =>
2 Ba + Si = Ba2Si
Ag + H2SO4(con) = Ag2SO4 + H2O + SO2 =>
2 Ag + 2 H2SO4(con) = Ag2SO4 + 2 H2O + SO2
AgNO3 + NaOH = AgOH + NaNO3 =>
AgNO3 + NaOH = AgOH + NaNO3
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Pb(NO3)4 + (NH4)3PO4 = Pb3(PO4)4 + NH4NO3 =>
3 Pb(NO3)4 + 4(NH4)3PO4 = Pb3(PO4)4 + 12 NH4NO3
CH4 + Cl2 = CH3CH3 + HCl =>
2 CH4 + Cl2 = CH3CH3 + 2 HCl
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
K + HNO3 = H2 + KNO3 =>
2 K + 2 HNO3 = H2 + 2 KNO3
CH3(CH2)7CH3 + O2 = CO2 + H2O =>
CH3(CH2)7CH3 + 14 O2 = 9 CO2 + 10 H2O
Fe + Fe(NO3)3 = Fe(NO3)2 =>
Fe + 2 Fe(NO3)3 = 3 Fe(NO3)2
Ca3(PO4)2 + H2O2 = Ca(H2PO4)2 + CaO2 =>
Ca3(PO4)2 + 2 H2O2 = Ca(H2PO4)2 + 2 CaO2
Ca(OH)2 + NH(NO3)4 = Ca(NO3)2 + NH(OH)4 =>
2 Ca(OH)2 + NH(NO3)4 = 2 Ca(NO3)2 + NH(OH)4
C6H6O12 + O2 = CO2 + H2O =>
2 C6H6O12 + 3 O2 = 12 CO2 + 6 H2O
Mg(NO3)2 + Cr = Cr(NO3) + Mg =>
Mg(NO3)2 + 2 Cr = 2 Cr(NO3) + Mg
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
MgO + H2O = Mg(OH)2 =>
MgO + H2O = Mg(OH)2
Mg + ZnNO3 = Zn + MgNO3 =>
Mg + ZnNO3 = Zn + MgNO3
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