Chemical Thermodynamics Question 411

Question: An ideal gas occuping a volume of 2dm3 and a pressure of 5 bar undergoes isothermal and irreversible expansion against external pressure of 1 bar. The final volume of the system and the work involved in the process is

Options:

A) 10dm3,1000J

B) 8dm3,800J

C) 10dm3,800J

D) 10dm3,1000J

Show Answer

Answer:

Correct Answer: C

Solution:

  • P1V1=P2V2

V=5bar×2dm31bar=10dm3 Work, W=Pext(VfinalVinitioal)

=1,bar(102)

=1×105Pa×8×103m3

=800J



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक