1. Benzene has a vapor pressure of 0.127 bar at 298 K and an enthalpy of vaporization of 30.7 kJ mol-'. The CP,m values of the vapor and liquid phases are 82.4 and 136 J K' mol-" respectively. Calculate the vapor pressure of benzene (1) at 340 K assuming: a) AvapH does not vary with T b) AvapH(T) = AvapH(T,) + ACp(T – T.) (assuming Cp is independent of T).
1. Benzene has a vapor pressure of 0.127 bar at 298 K and an enthalpy of vaporization of 30.7 kJ mol-'. The CP,m values of the vapor and liquid phases are 82.4 and 136 J K' mol-" respectively. Calculate the vapor pressure of benzene (1) at 340 K assuming: a) AvapH does not vary with T b) AvapH(T) = AvapH(T,) + ACp(T – T.) (assuming Cp is independent of T).
Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter17: Spontaneity, Entropy, And Free Energy
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Problem 128IP: Some nonelectrolyte solute (molar mass = 142 g/mol) was dissolved in 150. mL of a solvent (density =...
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![1. Benzene has a vapor pressure of 0.127 bar at 298 K and an enthalpy of vaporization of
30.7 kJ mol-'. The Cp,m Values of the vapor and liquid phases are 82.4 and 136 J K-' mol-l
respectively. Calculate the vapor pressure of benzene (1) at 340 K assuming:
a) AvapH does not vary with T
b) AvapH(T) = AvapH(T,)+ AGp(T – T.)
(assuming Cp is independent of T).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0e989a36-a976-4f9a-8f93-2801096d9bdd%2F4424796f-e4ae-4f65-8a61-52028ac0ac52%2Fmx94ypg_processed.png&w=3840&q=75)
Transcribed Image Text:1. Benzene has a vapor pressure of 0.127 bar at 298 K and an enthalpy of vaporization of
30.7 kJ mol-'. The Cp,m Values of the vapor and liquid phases are 82.4 and 136 J K-' mol-l
respectively. Calculate the vapor pressure of benzene (1) at 340 K assuming:
a) AvapH does not vary with T
b) AvapH(T) = AvapH(T,)+ AGp(T – T.)
(assuming Cp is independent of T).
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