logo

Ask Questions, Get Answers

 
X
 Search
Want to ask us a question? Click here
Browse Questions
Ad
Home  >>  JEEMAIN and AIPMT  >>  Physics  >>  Class11  >>  Kinetic Theory of Gases
0 votes

A balloon has 5.0g mole of helium at $7^{\large\circ}C$.Calculate the total internal energy of the system

$\begin{array}{1 1}(A)\;3.48\times 10^4J\\(B)\;1.74\times 10^4J\\(C)\;3.48\times 10^6J\\(D)\;3.48\times 10^5J\end{array} $

Can you answer this question?
 
 

1 Answer

0 votes
$\large\frac{3}{2}$$KT\times N=\large\frac{3}{2}$$\times 30\times 10^{23}\times 1.3\times 10^{-23}\times 280$
$\Rightarrow 1.74\times 10^4J$
Hence (B) is the correct answer.
answered May 12, 2014 by sreemathi.v
 

Related questions

Ask Question
student study plans
x
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App
...