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2 Mg + 2 Se = Mg2Se2
Sn + HNO3 = Sn(NO3)2 + NH4NO3 + H2O =>
4 Sn + 10 HNO3 = 4 Sn(NO3)2 + NH4NO3 + 3 H2O
Li + Ag2O = LiO + Ag =>
Li + Ag2O = LiO + 2 Ag
Li2SO4 + H2O = LiOH + SO4 + H2 =>
Li2SO4 + 2 H2O = 2 LiOH + SO4 + H2
Na2HPO4 = H2O + Na3PO4 + P2O5 =>
6 Na2HPO4 = 3 H2O + 4 Na3PO4 + P2O5
Na2S2O3 + KMnO4 + H2O = K2SO4 + KOH + MnO2 + Na2SO4 =>
3 Na2S2O3 + 8 KMnO4 + H2O = 3 K2SO4 + 2 KOH + 8 MnO2 + 3 Na2SO4
NaNO3 + C57H10 + NaOH = N2 + Na2CO3 + H2O =>
238 NaNO3 + 5 C57H10 + 332 NaOH = 119 N2 + 285 Na2CO3 + 191 H2O
SIO2 + Mg = MgO + SI =>
SIO2 + 2 Mg = 2 MgO + SI
PBBr2 + HCl = HBr + PBCl2 =>
PBBr2 + 2 HCl = 2 HBr + PBCl2
MgCl2(aq) + KOH(aq) = Mg(OH)2 + KCl(aq) =>
MgCl2(aq) + 2 KOH(aq) = Mg(OH)2 + 2 KCl(aq)
Ca(OH)2 + HF = CaF2 + H2O =>
Ca(OH)2 + 2 HF = CaF2 + 2 H2O
C2H5NH3Cl + NaOH = C2H5NH2 + NaCl + H2O =>
C2H5NH3Cl + NaOH = C2H5NH2 + NaCl + H2O
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Cu2 + MgCl2 = CuCl2 + Mg =>
Cu2 + 2 MgCl2 = 2 CuCl2 + 2 Mg
CH3COO + H2S = CH3COOH + HS =>
CH3COO + H2S = CH3COOH + HS
CaSiO3 + HF = SiF4 + H2O + CaF2 =>
CaSiO3 + 6 HF = SiF4 + 3 H2O + CaF2
H2S + F2 = S8 + HF =>
8 H2S + 8 F2 = S8 + 16 HF
Li + Cl = LiCl =>
Li + Cl = LiCl
Cu(CH3COO)2Ca(CH3COO)2 = CuCa(CH3COO)4 =>
Cu(CH3COO)2Ca(CH3COO)2 = CuCa(CH3COO)4
Cr{2+} + Cu{2+} = Cr{3+} + Cu{+} =>
Cr{2+} + Cu{2+} = Cr{3+} + Cu{+}
S(OH)2 = SO + H2O =>
S(OH)2 = SO + H2O
AgNO3 + KI = AgI + K(NO3) =>
AgNO3 + KI = AgI + K(NO3)
MnS + HNO3 = MnSO4 + NO + H2O =>
3 MnS + 8 HNO3 = 3 MnSO4 + 8 NO + 4 H2O
Al + Cl2 = AlCl3 =>
2 Al + 3 Cl2 = 2 AlCl3
Cl2 + O3 = ClO =>
3 Cl2 + 2 O3 = 6 ClO
CH2ClCH2Cl + KCN = KCl + CNCH2CH2NC =>
CH2ClCH2Cl + 2 KCN = 2 KCl + CNCH2CH2NC
K(s) + H2SO4(aq) = K2SO4 + H2 =>
2 K(s) + H2SO4(aq) = K2SO4 + H2
CH4 + O2 = CO2 + H2O = COC =>
CH4 + 2 O2 = CO2 + 2 H2O
KCl + I = KI + Cl =>
KCl + I = KI + Cl
Co(OH)2 + Cl2 + NaOH = Co(OH)3 + NaCl =>
2 Co(OH)2 + Cl2 + 2 NaOH = 2 Co(OH)3 + 2 NaCl
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
SnSO4 + FeSO4 = Sn + Fe2(SO4)3 =>
SnSO4 + 2 FeSO4 = Sn + Fe2(SO4)3
C6H5CHCHCOOH + I2 = C6H5CHCHCOOHI2 =>
C6H5CHCHCOOH + I2 = C6H5CHCHCOOHI2
NH4CHO3 + HNO3 = NH4NO3 + H2O + CO2 =>
NH4CHO3 + HNO3 = NH4NO3 + H2O + CO2
NaI + H2SO4 = NaHSO4 + H2S + I2 + H2O =>
8 NaI + 9 H2SO4 = 8 NaHSO4 + H2S + 4 I2 + 4 H2O
CH3COOH + CaOH = CaCHO + H2O =>
CH3COOH + 2 CaOH = 2 CaCHO + 2 H2O
Pb(OH)2 + H2SO4 = Pb(SO4) + H2O =>
Pb(OH)2 + H2SO4 = Pb(SO4) + 2 H2O
NH3 + H2O = N2H4 + H3O =>
2 NH3 + 2 H2O = N2H4 + 2 H3O
Mg + F2 = MgF2 =>
Mg + F2 = MgF2
V{+} + MnO4{-} + H{+} = VO{+} + Mn2{+} + H2O =>
13 V{+} + 4 MnO4{-} + 6 H{+} = 13 VO{+} + 2 Mn2{+} + 3 H2O
SiH + O2 = SiO2 + H2O =>
4 SiH + 5 O2 = 4 SiO2 + 2 H2O
Pb(C2H5)4 + C2H4Br2 + O2 = PbBr2 + CO2 + H2O =>
Pb(C2H5)4 + C2H4Br2 + 16 O2 = PbBr2 + 10 CO2 + 12 H2O
CaOH + C6H8O7 = Ca3C6H5O7 + H2O =>
3 CaOH + C6H8O7 = Ca3C6H5O7 + 3 H2O
IO3{-} + H2S = I{-} + S + H2O =>
IO3{-} + 3 H2S = I{-} + 3 S + 3 H2O
MgSiO3 + H2 = SiH4 + MgO + H2O =>
MgSiO3 + 4 H2 = SiH4 + MgO + 2 H2O
CaF2 + Br2 = CaBr2 + F2 =>
CaF2 + Br2 = CaBr2 + F2
CH4COOH + O2 = H2O + CO2 =>
4 CH4COOH + 9 O2 = 10 H2O + 8 CO2
NH3(g) + N2O(s) = N2(s) + H2O(g) =>
2 NH3(g) + 3 N2O(s) = 4 N2(s) + 3 H2O(g)
CuS + H2CO3 = CuCO3 + H2S =>
CuS + H2CO3 = CuCO3 + H2S
Mg + CaSO4 = MgO + CaO + MgS =>
4 Mg + CaSO4 = 3 MgO + CaO + MgS
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