What will be the answer for this question sir???????

Hope it was helpful to you 😊

To change from units of L atm to Joules, multiply the gas constant 8.31447 J/mol K and divide by the gas constant 0.08206 L atm/mol K. This is the same as multiplying by 1/1, since...

Apply first law of thermodynamics you can solve this. 2nd unit conversion is very important to solve question