The total energy of one mole of an ...
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The total energy of one mole of an ideal monatomic gas at 27°C is (A) 800 cal (8 900 cal (C) 1000 cal (D) 700 cal

JEE/Engineering Exams
Chemistry
Solution
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[ E=frac{f}{L} R T ] For mono efomic gerel " total no of degree of freedom is 3 ( toensiationd) Hence ( +=B 3 ) [ begin{aligned} E=frac{3}{2} R T &=frac{3}{2} times 2 times T &=frac{3 times 2 times 300=900}{2} times 20 end{aligned} ]
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