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4 P + 3 KOH + 3 H2O = PH3 + 3 KH2PO2
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
NO2 + O2 = NO3 =>
2 NO2 + O2 = 2 NO3
Br2 + Ag = AgBr =>
Br2 + 2 Ag = 2 AgBr
ClO3 + I2 = Cl + IO3 =>
2 ClO3 + I2 = 2 Cl + 2 IO3
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
Na2S + NaHCO3 = NaHS + Na2CO3 =>
Na2S + NaHCO3 = NaHS + Na2CO3
PdCl2 + HNO3 = Pd(NO3)2 + HCl =>
PdCl2 + 2 HNO3 = Pd(NO3)2 + 2 HCl
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
NH4Cl + CaO = CaCl2 + Ca(OH)2 + NH3 =>
2 NH4Cl + 2 CaO = CaCl2 + Ca(OH)2 + 2 NH3
Cl2 + AgNO3 = AgCl + NO3 =>
Cl2 + 2 AgNO3 = 2 AgCl + 2 NO3
La(OH)3 = La2O3 + H2O =>
2 La(OH)3 = La2O3 + 3 H2O
HNO3 = NO2 + O2 + H2O =>
4 HNO3 = 4 NO2 + O2 + 2 H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Mg + NH3 = Mg3N2 + H2 =>
3 Mg + 2 NH3 = Mg3N2 + 3 H2
(NH4)HCO3 = NH3 + CO2 + H2O =>
(NH4)HCO3 = NH3 + CO2 + H2O
HCl + Cu = CuCl2 + H2 =>
2 HCl + Cu = CuCl2 + H2
Al + H2SO4 = Al2(SO4)3 + SO2 + H2O =>
2 Al + 6 H2SO4 = Al2(SO4)3 + 3 SO2 + 6 H2O
Zn + PbSO4 = Pb + ZnSO4 =>
Zn + PbSO4 = Pb + ZnSO4
HNO3 + S = SO2 + NO + H2O =>
4 HNO3 + 3 S = 3 SO2 + 4 NO + 2 H2O
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
Al + PbBr = Pb + AlBr =>
Al + PbBr = Pb + AlBr
CuCl2 + H2O = Cu(OH)2 + H2 + Cl2 =>
CuCl2 + 2 H2O = Cu(OH)2 + H2 + Cl2
K + NaCO3 = Na + KCO3 =>
K + NaCO3 = Na + KCO3
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
C4H9OH + O2 = CO2 + H2O =>
C4H9OH + 6 O2 = 4 CO2 + 5 H2O
Ca + CuNO3 = Cu + CaNO3 =>
Ca + CuNO3 = Cu + CaNO3
COCl2 + NH3 = CO(NH2)2 + NH4Cl =>
COCl2 + 4 NH3 = CO(NH2)2 + 2 NH4Cl
Al2(SO3)3 = Al2O3 + SO2 =>
Al2(SO3)3 = Al2O3 + 3 SO2
Zn + CuSO4 = Cu + ZnSO4 =>
Zn + CuSO4 = Cu + ZnSO4
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
HNO3 + NAOH = NANO3 + H2O =>
HNO3 + NAOH = NANO3 + H2O
NaNH2 + NaNO3 = NaN3 + NaOH + NH3 =>
3 NaNH2 + NaNO3 = NaN3 + 3 NaOH + NH3
CaO + HF = CaF2 + H2O =>
CaO + 2 HF = CaF2 + H2O
NH4OH + H2SO4 = (NH4)2SO4 + H2O =>
2 NH4OH + H2SO4 = (NH4)2SO4 + 2 H2O
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
NaCl + K2H2Sb2O7 = Na2H2Sb2O7 + KCl =>
2 NaCl + K2H2Sb2O7 = Na2H2Sb2O7 + 2 KCl
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
CH4 + Cl2 = CHCl3 + HCl =>
CH4 + 3 Cl2 = CHCl3 + 3 HCl
K2Cr2O7 + FeSO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O =>
K2Cr2O7 + 6 FeSO4 + 7 H2SO4 = 3 Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + 7 H2O
H3PO4 + KOH = K3PO4 + H2O =>
H3PO4 + 3 KOH = K3PO4 + 3 H2O
BaSO3 + HCl = BaCl2 + SO2 + H2O =>
BaSO3 + 2 HCl = BaCl2 + SO2 + H2O
Na + KNO3 = K2O + Na2O + N2 =>
10 Na + 2 KNO3 = K2O + 5 Na2O + N2
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