Question

$7$ mole of certain monoatomic ideal gas undergoes a temperature increase of $40\, K$ at constant pressure The increase in the internal energy of the gas in this process is (Given $R =83\, JK ^{-1}\, mol ^{-1}$)

• A. $5810 \,J$
• B. $3486\, J$
• C. $11620\, J$
• D. $6972 \,J$

Answer 1

Answer: (B)

$3486\, J$

Answer 2

The correct option (B):
3486 J