GATE CH · 2022 · CH
Question 48: Process Calculations and Thermodynamics
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Question 48
CHNAT2 marksNeeds review
The molar excess Gibbs free energy (
) of a liquid mixture of
and
is given by
where
and
are the mole fraction of
and
, respectively, the universal gas constant,
J K
mol
,
is the temperature in K, and
are temperature-dependent parameters. At 300 K,
and
. If
and
are the activity coefficients of
and
, respectively, the value of
at 300 K and 1 bar is __________ (rounded off to the nearest integer).
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2022CH
GATE CH 2022 · Paper 1
Chemical Engineering · Original paper archive
- Section
- Chemical Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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