JEE Main & Advanced Chemistry States of Matter / पदार्थ की अवस्थाएँ - गैस एवं द्रव Question Bank Mock Test - States of Matter

  • question_answer
    At what temperature will the total KE of 0.3 mol of He be the same as the total KE of 0.40 mol of Ar at 400 K?

    A) 533 K

    B) 400 K

    C) 346                 

    D) 300 K

    Correct Answer: A

    Solution :

    [a] \[{{\left[ \frac{3}{2}nRT \right]}_{He}}=\frac{3}{2}nRT\] \[0.3T=0.4\times 400\] \[T=533\text{ }K\]        


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