Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
+1 vote
5.1k views
in Chemistry by (30.0k points)

Write the expression for the work done by 1 mole of the gas in each of the following cases: 

(i) For irreversible expansion of the gas from V1 toV

(ii) For reversible isothermal expansion of the gas from V1 toV2.

1 Answer

+1 vote
by (130k points)
selected by
 
Best answer

(i) Irreversible expansion takes place when external pressure is constant 

Wirr = – Pext(V2 – V1) = – PextΔV 

(ii) Reversible expansion takes place when internal pressure is infinitesimally greater than external pressure at every stage Wrev = -nRTln(V2/V1)

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...