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  • What is the Energy of diatomic gas whose pressure <img alt="=8 \times 10^4 \mathrm{~N} / \mathrm{m}^2" src="https://entrancecorner.oncodecogs.com/gif.latex?%3D8%20%5Ctimes%2010%5E4%20%5Cmathrm

What is the Energy of diatomic gas whose pressure =8 \times 10^4 \mathrm{~N} / \mathrm{m}^2   and density of the gas = 4\, kg/m^{3}

 

Option: 1

3 \times 10^4 \mathrm{~J}


Option: 2

5 \times 10^4 \mathrm{~J}


Option: 3

6 \times 10^4 \mathrm{~J}


Option: 4

7 \times 10^4 \mathrm{~J}


Answers (1)

best_answer

\quad V=\frac{1}{4}=0.25 \mathrm{~m}^3 \\
P=8 \times 10^4 \mathrm{~N} / \mathrm{m}^2

Degree \, \,of\,\, freedom = 5
Int\,\,\,\, energy =\frac{5}{2} \,\,U R T . \\
PV=R T(\text { if } n=1) \\
u=\frac{5}{2} \times 8 \times 10^4 \times 0.25 \\
u=5 \times 10^4 \mathrm{~J}
 

Posted by

Sanket Gandhi

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