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C2H4 + 3 O2 = 2 CO2 + 2 H2O
K + S = K2S =>
2 K + S = K2S
KOH + H2SO4 = K2SO4 + H2O =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
AgNO3 + Cu = Cu2NO3 + Ag =>
AgNO3 + 2 Cu = Cu2NO3 + Ag
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
BeO + HCl = BeCl + HO =>
BeO + HCl = BeCl + HO
AgBr = Br2 + Ag =>
2 AgBr = Br2 + 2 Ag
CO2 + NaOH = Na2CO3 + H2O =>
CO2 + 2 NaOH = Na2CO3 + H2O
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
W + H2SO4 + H3PO4 + NaOH = Na3O40PW12*H2O + H2O + H2S =>
12 W + 9 H2SO4 + H3PO4 + 3 NaOH = Na3O40PW12*H2O + 2 H2O + 9 H2S
Fe + H2SO4 = Fe(SO4)3 + H2 =>
Fe + 3 H2SO4 = Fe(SO4)3 + 3 H2
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
NiCl + OH = Ni(OH) + Cl =>
NiCl + OH = Ni(OH) + Cl
NaNO2 + FeSO4 + H2SO4 = Na2SO4 + Fe(SO4)3 + NO + H2O =>
4 NaNO2 + FeSO4 + 4 H2SO4 = 2 Na2SO4 + Fe(SO4)3 + 4 NO + 4 H2O
KOH + H2SO4 = K2SO4 + H2O =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
SO2 + H2S = S + H2O =>
SO2 + 2 H2S = 3 S + 2 H2O
Na + H2 = NaH =>
2 Na + H2 = 2 NaH
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
H3PO4 + Ca(OH)2 = CaHPO4 + H2O =>
H3PO4 + Ca(OH)2 = CaHPO4 + 2 H2O
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
Li + S = Li2S =>
2 Li + S = Li2S
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
H2S + O2 = S + H2O =>
2 H2S + O2 = 2 S + 2 H2O
Na3PO4 + HCl = NaCl + H3PO4 =>
Na3PO4 + 3 HCl = 3 NaCl + H3PO4
Bi2S3 + HCl = BiCl3 + H2S =>
Bi2S3 + 6 HCl = 2 BiCl3 + 3 H2S
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
C4H6 + O2 = CO2 + H2O =>
2 C4H6 + 11 O2 = 8 CO2 + 6 H2O
Cu + O = Cu2O =>
2 Cu + O = Cu2O
C7H8O + HCl = C7H7Cl + H2O =>
C7H8O + HCl = C7H7Cl + H2O
Al + O2 = Al2O4 =>
2 Al + 2 O2 = Al2O4
NO2 + H2O = HNO3 + HNO2 =>
2 NO2 + H2O = HNO3 + HNO2
CAF2 + H2SO4 = CASO4 + HF =>
CAF2 + H2SO4 = CASO4 + 2 HF
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Na2SO4 + SIO2 + C = Na2SIO3 + SO2 + CO2 =>
2 Na2SO4 + 2 SIO2 + C = 2 Na2SIO3 + 2 SO2 + CO2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NaNO3 + Zn + NaOH = NH3 + Na2ZnO2 + H2O =>
NaNO3 + 4 Zn + 7 NaOH = NH3 + 4 Na2ZnO2 + 2 H2O
Ba3N2 + H2O = Ba(OH)2 + NH3 =>
Ba3N2 + 6 H2O = 3 Ba(OH)2 + 2 NH3
Ba + N2 = Ba3N2 =>
3 Ba + N2 = Ba3N2
Al + HCl = AlCl + H2 =>
2 Al + 2 HCl = 2 AlCl + H2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
CH3OH + O2 = CO2 + H20 =>
10 CH3OH + 5 O2 = 10 CO2 + 2 H20
KOH + Br2 = KBrO3 + KBr + H2O =>
6 KOH + 3 Br2 = KBrO3 + 5 KBr + 3 H2O
LiOH + HF = LiF + H2O =>
LiOH + HF = LiF + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
B + O2 = BO =>
2 B + O2 = 2 BO
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
H2S + SO2 = H2O + S =>
2 H2S + SO2 = 2 H2O + 3 S
ZnCl2 + KOH = KCl + Zn(OH)2 =>
ZnCl2 + 2 KOH = 2 KCl + Zn(OH)2
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