Thermodynamics Question 181
Question: Two kg of water is converted into steam by boiling at atmospheric pressure. The volume changes from $ 2\times {{10}^{-3}}m^{3} $ to $ 3.34m^{3}. $ The work done by the system is about
[Roorkee 2000]
Options:
A) ’ 340 kJ
B) ’ 170 kJ
C) 170 kJ
D) 340 kJ
Show Answer
Answer:
Correct Answer: D
Solution:
$ W=P\Delta V=1.01\times 10^{5}(3.34-2\times {{10}^{-3}}) $
$ =337\times 10^{3}J\approx 340\ KJ $
