a) Equimolar amounts of H, and CO are mixed. Using data from Table A-V calculate the equilibrium mole fraction of formaldehyde, HCHO(g), at 25 °C as a function of the total pressure; evaluate this mole fraction for a total pressure of 1 atm and for 10 atm.

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TABLE A-V (H2) Gf= 0 kJ/mol (CO) Gf= -137.15 kJ/mol (HCHO) Gf= -113 kJ/mol
a) Equimolar amounts of H, and CO are mixed. Using data from Table A-V calculate the
equilibrium mole fraction of formaldehyde, HCHO(g), at 25 °C as a function of the total
pressure; evaluate this mole fraction for a total pressure of 1 atm and for 10 atm.
b) If one mole of HCHO(g) is placed in a vessel, calculate the degree of dissociation into H2(g)
and CO(g) at 25 °C for a total pressure of 1 atm and 10 atm.
c) Calculate K, at 10 atm and K, for the synthesis of HCHO.
Transcribed Image Text:a) Equimolar amounts of H, and CO are mixed. Using data from Table A-V calculate the equilibrium mole fraction of formaldehyde, HCHO(g), at 25 °C as a function of the total pressure; evaluate this mole fraction for a total pressure of 1 atm and for 10 atm. b) If one mole of HCHO(g) is placed in a vessel, calculate the degree of dissociation into H2(g) and CO(g) at 25 °C for a total pressure of 1 atm and 10 atm. c) Calculate K, at 10 atm and K, for the synthesis of HCHO.
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