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2 HgO = 2 Hg + O2
H2S + Cu(CH3COO)2 = CuS + H(CH3COO) =>
H2S + Cu(CH3COO)2 = CuS + 2 H(CH3COO)
NH3 + Na = H2 + NaNH2 =>
2 NH3 + 2 Na = H2 + 2 NaNH2
Na2CO3 + HCl = CO2 + H2O + NaCl =>
Na2CO3 + 2 HCl = CO2 + H2O + 2 NaCl
SO2 + H2S = SO2H2S =>
SO2 + H2S = SO2H2S
HC6H7O7 + NaOH = NaC6H7O7 + HOH =>
HC6H7O7 + NaOH = NaC6H7O7 + HOH
Na + Be = NaBe =>
Na + Be = NaBe
C9H18 + O2 = CO2 + H2O =>
2 C9H18 + 27 O2 = 18 CO2 + 18 H2O
Zn(s) + NH3 = ZnN2 + H3 =>
Zn(s) + 2 NH3 = ZnN2 + 2 H3
MnSO4 + H2O = MnO2 + H2SO4 + H2 =>
MnSO4 + 2 H2O = MnO2 + H2SO4 + H2
Hg{2+} + Fe(s) = Hg2 + Fe{3+} =>
6 Hg{2+} + 4 Fe(s) = 3 Hg2 + 4 Fe{3+}
K + P + H = KPH =>
K + P + H = KPH
SO3 + NaOH = Na2SO4 + H2O =>
SO3 + 2 NaOH = Na2SO4 + H2O
Cu[Cu(OH)4] + HCl = CuCl2 + H2O =>
Cu[Cu(OH)4] + 4 HCl = 2 CuCl2 + 4 H2O
C2H4 + HF = C2H5F =>
C2H4 + HF = C2H5F
C + O2 = CO2 = =>
C + O2 = CO2
Mg2O + SiO2 = Mg2SiO3 =>
Mg2O + SiO2 = Mg2SiO3
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Al(OH)3(ac) = Al2O3(s) + H2O(g) =>
2 Al(OH)3(ac) = Al2O3(s) + 3 H2O(g)
C2H5OH(e) + O2 = CO2 + H2O(e) =>
C2H5OH(e) + 3 O2 = 2 CO2 + 3 H2O(e)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
BaCl2 + Na2CO3 = BaCO3 + NaCl =>
BaCl2 + Na2CO3 = BaCO3 + 2 NaCl
Zn + Na2SO4 = Zn(SO4)3 + Na =>
Zn + 3 Na2SO4 = Zn(SO4)3 + 6 Na
Cd(OH)2 + NH3*H2O = [Cd(NH3)4](OH)2 + H2O =>
Cd(OH)2 + 4 NH3*H2O = [Cd(NH3)4](OH)2 + 4 H2O
SO2 + H2S = SO2H2S =>
SO2 + H2S = SO2H2S
HBrO3 + KOH = K(BrO3) + H2O =>
HBrO3 + KOH = K(BrO3) + H2O
Ti(OH)2 + NaCl = TiCl2 + NaOH =>
Ti(OH)2 + 2 NaCl = TiCl2 + 2 NaOH
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
HBiO2 = Bi2O3 + H2O =>
2 HBiO2 = Bi2O3 + H2O
SO2 + H2S = SO2H2S =>
SO2 + H2S = SO2H2S
HC2H3O2 + Ca(OH)2 = H2O + Ca(C2H3O2)2 =>
2 HC2H3O2 + Ca(OH)2 = 2 H2O + Ca(C2H3O2)2
NaCl + HNO3 = Cl2 + NO2 + NaNO3 + H2O =>
2 NaCl + 4 HNO3 = Cl2 + 2 NO2 + 2 NaNO3 + 2 H2O
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Zn[OH]2 + NaOH = Na2[Zn[OH]4] =>
Zn[OH]2 + 2 NaOH = Na2[Zn[OH]4]
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H2SO4 + K4Fe(CN)6 + KMnO4 = CO2 + Fe2(SO4)3 + H2O + HNO3 + KHSO4 + MnSO4 =>
299 H2SO4 + 10 K4Fe(CN)6 + 122 KMnO4 = 60 CO2 + 5 Fe2(SO4)3 + 188 H2O + 60 HNO3 + 162 KHSO4 + 122 MnSO4
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