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Na2S2O4 + 2 H2O = 2 NaHSO3 + H2
KCl(aq) + Pb(NO3)2(aq) = PbCl2(s) + KNO3 =>
2 KCl(aq) + Pb(NO3)2(aq) = PbCl2(s) + 2 KNO3
FeBr2 + (NH4)2S = FeS + NH4Br =>
FeBr2 + (NH4)2S = FeS + 2 NH4Br
BaCl2 + AlPO4 = BaPO4 + AlCl2 =>
BaCl2 + AlPO4 = BaPO4 + AlCl2
N2O4 + C2H5OH = CO2 + NO + H2O =>
3 N2O4 + C2H5OH = 2 CO2 + 6 NO + 3 H2O
CH2Cl2 = CH2 + Cl2 =>
CH2Cl2 = CH2 + Cl2
CaO + N2O3 = CaO4N2 =>
CaO + N2O3 = CaO4N2
Mg + Cs(NO3)2 = Cs + Mg(NO3)2 =>
Mg + Cs(NO3)2 = Cs + Mg(NO3)2
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
C8H10 + O2 = C8H8O2 + H2O =>
2 C8H10 + 3 O2 = 2 C8H8O2 + 2 H2O
H2 + C6H6 = C9H12 =>
3 H2 + 3 C6H6 = 2 C9H12
Pb + H2O + O2 = Pb(OH)2 =>
2 Pb + 2 H2O + O2 = 2 Pb(OH)2
H2O + H2SO3 = H3O + H2SO4 =>
3 H2O + H2SO3 = 2 H3O + H2SO4
N2 + O2 + H2 = HNO3 =>
N2 + 3 O2 + H2 = 2 HNO3
HNO3 + BaO = Ba(NO3)2 + H2O =>
2 HNO3 + BaO = Ba(NO3)2 + H2O
HC2H3O2(aq) + Sr(OH)2(aq) = Sr(C2H3O2)2(aq) + H2O(l) =>
2 HC2H3O2(aq) + Sr(OH)2(aq) = Sr(C2H3O2)2(aq) + 2 H2O(l)
C2H6 + O2 = H2O + CO2 =>
2 C2H6 + 7 O2 = 6 H2O + 4 CO2
CH3CSNH2 + H2O = H2S + NH3 + CH3COOH =>
CH3CSNH2 + 2 H2O = H2S + NH3 + CH3COOH
Li + S = Li2S3 =>
2 Li + 3 S = Li2S3
CaO + N2O3 = CaO4N2 =>
CaO + N2O3 = CaO4N2
Pb3O4 + HNO3 = Pb(NO3)2 + PbO2 + H2O =>
Pb3O4 + 4 HNO3 = 2 Pb(NO3)2 + PbO2 + 2 H2O
N2 + C = NC =>
N2 + 2 C = 2 NC
CH3OH(l) + O2(g) = CO2(g) + H2O(g) =>
2 CH3OH(l) + 3 O2(g) = 2 CO2(g) + 4 H2O(g)
Zn + OH{-} = ZnO2{2-} + e + H2O =>
Zn + 4 OH{-} = ZnO2{2-} + 2e + 2 H2O
CaO + N2O3 = CaO4N2 =>
CaO + N2O3 = CaO4N2
K(s) + N2(g) = K3N(s) =>
6 K(s) + N2(g) = 2 K3N(s)
PbO2 + Al = Al2O3 + Pb =>
3 PbO2 + 4 Al = 2 Al2O3 + 3 Pb
mercury(I)oxide + oxygen = mercury(II)oxide =>
2 Hg2O + O2 = 4 HgO
Al(s) + Zn(NO3)2(aq) = Al(NO3)3(aq) + Zn(s) =>
2 Al(s) + 3 Zn(NO3)2(aq) = 2 Al(NO3)3(aq) + 3 Zn(s)
Cl2 + KOH = H2O + KCl + KClO3 =>
3 Cl2 + 6 KOH = 3 H2O + 5 KCl + KClO3
CaO + N2O3 = CaO4N2 =>
CaO + N2O3 = CaO4N2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
NO(s) + H2O(l) = N(OH)2(s) =>
NO(s) + H2O(l) = N(OH)2(s)
Fe(s) + S(l) = Fe2S3(aq) =>
2 Fe(s) + 3 S(l) = Fe2S3(aq)
Ba(H2PO4)2 + NaOH = Ba3(PO4)2 + Na3PO4 + H2O =>
3 Ba(H2PO4)2 + 12 NaOH = Ba3(PO4)2 + 4 Na3PO4 + 12 H2O
CaO + N2O3 = CaO4N2 =>
CaO + N2O3 = CaO4N2
Fe + Br = FeBr3 =>
Fe + 3 Br = FeBr3
Cu = Cu{2} + {-} =>
Cu = Cu{2} + 2e
KOH + Na = H2 + KNaO =>
2 KOH + 2 Na = H2 + 2 KNaO
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
Mg + Mn(NO3)4 = Mn + Mg(NO3)2 =>
2 Mg + Mn(NO3)4 = Mn + 2 Mg(NO3)2
Ba(OH)2 + H2SO4 = BaSO4 + H2O =>
Ba(OH)2 + H2SO4 = BaSO4 + 2 H2O
Na2SO4 + Cr2(SiO3)3 = Na2SiO3 + Cr2(SO4)3 =>
3 Na2SO4 + Cr2(SiO3)3 = 3 Na2SiO3 + Cr2(SO4)3
CaO + N2O3 = CaO4N2 =>
CaO + N2O3 = CaO4N2
CuSO4(aq) + NaOH = Na2SO4 + Cu(OH)2 =>
CuSO4(aq) + 2 NaOH = Na2SO4 + Cu(OH)2
CuZn + HCl = Zn + CuCl + H2 =>
2 CuZn + 2 HCl = 2 Zn + 2 CuCl + H2
Cr2O7 + NaOH + K = K2CrO4 + H + Na =>
Cr2O7 + NaOH + 4 K = 2 K2CrO4 + H + Na
H2C6H6O2 + OH = C6H6O6 + H2O =>
H2C6H6O2 + 10 OH = C6H6O6 + 6 H2O
CH4O + H2O = CO2 + H =>
CH4O + H2O = CO2 + 6 H
HCl(aq) + CuSO4 = CuCl2(aq) + H2SO4(l) =>
2 HCl(aq) + CuSO4 = CuCl2(aq) + H2SO4(l)
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