GATE MT · 2018 · MT
Question 26: Laws of thermodynamics
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Question 26
MTMCQ2 marksNeeds review
The molar free energy (J mol
) of a liquid solution of a binary A-B alloy as a function of temperature (
) and composition (
, the mole fraction of B) is given by:
where
and
are the molar free energies of pure liquid A and pure liquid B. What is the excess molar free energy,
, for an alloy with
at
?Given: Gas constant R = 8.314 J K
mol
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2018MT
GATE MT 2018 · Paper 1
Metallurgical Engineering · Original paper archive
- Section
- Metallurgical Engineering
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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