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S + O2 = SO2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
Na + H2 = NaH =>
2 Na + H2 = 2 NaH
Cu + S = CuS =>
Cu + S = CuS
CH3COOH + C2H5OH = CH3COOC2H5 + H2O =>
CH3COOH + C2H5OH = CH3COOC2H5 + H2O
AL + HCl = ALCl + H2 =>
2 AL + 2 HCl = 2 ALCl + H2
Br + Cl = BrCl =>
Br + Cl = BrCl
Ga + F2{-} = Ga{3+} + F{-} =>
Ga + 3 F2{-} = Ga{3+} + 6 F{-}
PbS + HNO3 = PbSO4 + NO2 + H20 =>
5 PbS + 20 HNO3 = 5 PbSO4 + 20 NO2 + H20
MgCO3(s) = MgO(s) + CO2(g) =>
MgCO3(s) = MgO(s) + CO2(g)
PbS + HNO3 = PbSO4 + NO2 + H2O =>
PbS + 8 HNO3 = PbSO4 + 8 NO2 + 4 H2O
Cu + S = CuS =>
Cu + S = CuS
SnNO3 + NaOH = SnOH + NaNO3 =>
SnNO3 + NaOH = SnOH + NaNO3
Rb2SO3 + H2SO4 = H2SO3 + Rb2SO4 =>
Rb2SO3 + H2SO4 = H2SO3 + Rb2SO4
H2 + P4 = PH3 =>
6 H2 + P4 = 4 PH3
Cr2O3 + Na2CO3 + O2 = Na2CrO4 + CO2 =>
2 Cr2O3 + 4 Na2CO3 + 3 O2 = 4 Na2CrO4 + 4 CO2
BaO + OH = BaO2H =>
BaO + OH = BaO2H
CuO + H2O = Cu(OH)2 =>
CuO + H2O = Cu(OH)2
NH3 + H = NH4 =>
NH3 + H = NH4
Al + NaOH + H2O = NaAl(OH)4 + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 NaAl(OH)4 + 3 H2
HNo3 + Al(OH)3 = Al(No3)3 + H2O =>
3 HNo3 + Al(OH)3 = Al(No3)3 + 3 H2O
Cu{2+} + In = Cu + In{3+} =>
3 Cu{2+} + 2 In = 3 Cu + 2 In{3+}
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
NH3 + H = NH4 =>
NH3 + H = NH4
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
Fe + OH = Fe(OH)2 =>
Fe + 2 OH = Fe(OH)2
Al + HNO3 = Al(NO3)3 + H2 =>
2 Al + 6 HNO3 = 2 Al(NO3)3 + 3 H2
PH3 + PO4 = P2O5 + H2O =>
6 PH3 + 16 PO4 = 11 P2O5 + 9 H2O
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
Cu + Hg(NO3)2 = Cu(NO3)2 + Hg =>
Cu + Hg(NO3)2 = Cu(NO3)2 + Hg
Na2B4O7*10H2O + H2SO4 = Na2SO4 + H2O + H3BO3 =>
Na2B4O7*10H2O + H2SO4 = Na2SO4 + 5 H2O + 4 H3BO3
Ca + Br = CaBr2 =>
Ca + 2 Br = CaBr2
CrSO4 + NH4CO3 = CrCO3 + NH4SO4 =>
CrSO4 + NH4CO3 = CrCO3 + NH4SO4
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
MnO2 + Al = Mn + Al2O3 =>
3 MnO2 + 4 Al = 3 Mn + 2 Al2O3
MnO2(s) + HCl(aq) = MnCl2(s) + Cl2(g) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = MnCl2(s) + Cl2(g) + 2 H2O(l)
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
MnO2(s) + HCl(aq) = MnCl2(s) + Cl2(g) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = MnCl2(s) + Cl2(g) + 2 H2O(l)
V + O2 + NaOH = NaVO3 + H2O =>
4 V + 5 O2 + 4 NaOH = 4 NaVO3 + 2 H2O
CuS + HNO3 = Cu(NO3)2 + S + NO + H2O =>
3 CuS + 8 HNO3 = 3 Cu(NO3)2 + 3 S + 2 NO + 4 H2O
NH4Cl + CaO = CaCl2 + NH3 + H2O =>
2 NH4Cl + CaO = CaCl2 + 2 NH3 + H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
C3H4 + O2 = CO2 + H2O =>
C3H4 + 4 O2 = 3 CO2 + 2 H2O
SnS2 + (NH4)2S = (NH4)2SnS3 =>
SnS2 + (NH4)2S = (NH4)2SnS3
V + O2 + NaOH = Na3VO3 + H2O =>
4 V + 3 O2 + 12 NaOH = 4 Na3VO3 + 6 H2O
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
AL + Cl2 = ALCl2 =>
AL + Cl2 = ALCl2
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