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2 H2S + O2 = 2 H2O + 2 S
KOH + HBr = KBr + H2O =>
KOH + HBr = KBr + H2O
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
NH3 + HCl = NH4Cl =>
NH3 + HCl = NH4Cl
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Pb(CH3COO)2 + K2CrO4 = PbCrO4 + KCH3COO =>
Pb(CH3COO)2 + K2CrO4 = PbCrO4 + 2 KCH3COO
Zn(s) + HCl(aq) = H2(g) + ZnCl2(aq) =>
Zn(s) + 2 HCl(aq) = H2(g) + ZnCl2(aq)
Cu + AgNO3 = Ag + Cu(NO3)2 =>
Cu + 2 AgNO3 = 2 Ag + Cu(NO3)2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
ZnCO3 = ZnO + CO2 =>
ZnCO3 = ZnO + CO2
FeSO4 + O2 = Fe2O3 + SO3 =>
4 FeSO4 + O2 = 2 Fe2O3 + 4 SO3
CH3OH(l) + O2(g) = CO2(g) + H2O(l) =>
2 CH3OH(l) + 3 O2(g) = 2 CO2(g) + 4 H2O(l)
K2CrO4 + Na2SO3 + HCl = KCl + Na2SO4 + CrCl3 + H2O =>
2 K2CrO4 + 3 Na2SO3 + 10 HCl = 4 KCl + 3 Na2SO4 + 2 CrCl3 + 5 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
H2O2 + NH3 = N2 + H2O =>
3 H2O2 + 2 NH3 = N2 + 6 H2O
Sb + O2 = Sb4O6 =>
4 Sb + 3 O2 = Sb4O6
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
H2(g) + P4(s) = PH3(g) =>
6 H2(g) + P4(s) = 4 PH3(g)
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
Ca(OH)2 + CH3(CH)4CO2H = C12H14CaO4 + H2O =>
Ca(OH)2 + 2 CH3(CH)4CO2H = C12H14CaO4 + 2 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
H3PO4 + NaOH = Na3PO4 + H2O =>
H3PO4 + 3 NaOH = Na3PO4 + 3 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
NaF + HCl = NaCl + HF =>
NaF + HCl = NaCl + HF
MgCl2 = Mg + Cl =>
MgCl2 = Mg + 2 Cl
Ca(s) + O2(g) = CaO(s) =>
2 Ca(s) + O2(g) = 2 CaO(s)
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Li2O + CH3COOH = C2H3LiO2 + H2O =>
Li2O + 2 CH3COOH = 2 C2H3LiO2 + H2O
C3H8O + O2 = CO2 + H2O =>
2 C3H8O + 9 O2 = 6 CO2 + 8 H2O
Al + ZnCl2 = AlCl3 + Zn =>
2 Al + 3 ZnCl2 = 2 AlCl3 + 3 Zn
Ag + ZnCl2 = AgCl + Zn =>
2 Ag + ZnCl2 = 2 AgCl + Zn
SiO2 + C = Si + CO =>
SiO2 + 2 C = Si + 2 CO
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
SiO2 + C = Si + CO =>
SiO2 + 2 C = Si + 2 CO
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
ZnBr2 + AgNO3 = Zn(NO3)2 + AgBr =>
ZnBr2 + 2 AgNO3 = Zn(NO3)2 + 2 AgBr
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