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2 Li2S = 4 Li + S2
H2 + C + N2 = HCN =>
H2 + 2 C + N2 = 2 HCN
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
KHC8H4O4 + NaOH = KNaC8H4O4 + H2O =>
KHC8H4O4 + NaOH = KNaC8H4O4 + H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
NH3 + CuO = Cu + N2 + H2O =>
2 NH3 + 3 CuO = 3 Cu + N2 + 3 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Al + MnO = Al2O3 + Mn =>
2 Al + 3 MnO = Al2O3 + 3 Mn
KOH + Al = K3AlO3 + H2 =>
6 KOH + 2 Al = 2 K3AlO3 + 3 H2
MgCl2 + Fe(NO3)3 = Mg(NO3)2 + FeCl3 =>
3 MgCl2 + 2 Fe(NO3)3 = 3 Mg(NO3)2 + 2 FeCl3
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Cu + O2 + HCl = CuCl2 + H2O =>
2 Cu + O2 + 4 HCl = 2 CuCl2 + 2 H2O
Ag2SO4 + NaCl = AgCl + Na2SO4 =>
Ag2SO4 + 2 NaCl = 2 AgCl + Na2SO4
Mg + SO2 = MgO + S =>
2 Mg + SO2 = 2 MgO + S
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
HBr + Al(OH)3 = AlBr3 + H2O =>
3 HBr + Al(OH)3 = AlBr3 + 3 H2O
Na2S + HCl = NaCl + H2S =>
Na2S + 2 HCl = 2 NaCl + H2S
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
C7H9N + CH3Cl + NaOH = C9H13N + NaCl + H2O =>
C7H9N + 2 CH3Cl + 2 NaOH = C9H13N + 2 NaCl + 2 H2O
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Al + KOH = K3AlO3 + H2 =>
2 Al + 6 KOH = 2 K3AlO3 + 3 H2
H + Cl = HCl =>
H + Cl = HCl
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
H + Cl = HCl =>
H + Cl = HCl
Cu + S8 = CuS =>
8 Cu + S8 = 8 CuS
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
PCl5(s) + H2O(l) = H3PO4(aq) + HCl(aq) =>
PCl5(s) + 4 H2O(l) = H3PO4(aq) + 5 HCl(aq)
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
H + Cl = HCl =>
H + Cl = HCl
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
H2 + C + N2 = C9NH13 =>
13 H2 + 18 C + N2 = 2 C9NH13
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
P + Cl2 = PCl5 =>
2 P + 5 Cl2 = 2 PCl5
C10H8 + O2 = CO2 + H2O =>
C10H8 + 12 O2 = 10 CO2 + 4 H2O
Se + BrF5 = SeF6 + BrF3 =>
Se + 3 BrF5 = SeF6 + 3 BrF3
Mg + Cu(NO3)2 = Mg(NO3)2 + Cu =>
Mg + Cu(NO3)2 = Mg(NO3)2 + Cu
Mg2{+} + Cu = Cu2{+} + Mg =>
Mg2{+} + 2 Cu = Cu2{+} + 2 Mg
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
Ba + Cr2O3 = BaO + Cr =>
3 Ba + Cr2O3 = 3 BaO + 2 Cr
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NO(g) + O2(g) = NO2(g) =>
2 NO(g) + O2(g) = 2 NO2(g)
Pb3O4 + H2 = Pb + H2O =>
Pb3O4 + 4 H2 = 3 Pb + 4 H2O
Mg + CO2 = MgO + C =>
2 Mg + CO2 = 2 MgO + C
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
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