Chemistry · 2021
NEET 2021 · 12 September · Code M1 · Q90
For irreversible expansion of an ideal gas under isothermal condition, the correct option is:
For irreversible expansion of an ideal gas under isothermal condition, the correct option is :
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle \Delta \mathrm{U}=0, \Delta \mathrm{~S}_{\text {total }} \neq 0$
More from Thermodynamics
- Match List I with List II. List I (Process) A. Isothermal process B. Isochoric process C. Isobaric process D.…2024
- The standard heat of formation, in kcal / mol of Ba^2+ is: [Given: standard heat of formation of SO_4^2- ion…2025
- In which of the following processes entropy increases? A. A liquid evaporates to vapour. B. Temperature of a…2024
- At a certain temperature, T(K), during a process, 500 J is absorbed by the system and work of 200 J is done…2026
- Consider the following reaction: 2 A( g)+B( g) → 2 D( g) Δ U^ =-10 kJ mol^-1 and Δ S^ =-44 J K^-1 at 298 K.…2026
- The work done during reversible isothermal expansion of one mole of hydrogen gas at 25^° C from pressure of…2024
- C(s)+2 H_2( g) → CH_4( g); Δ H=-74.8 kJ mol^-1 Which of the following diagrams gives an accurate…2025
- Consider the reversible processes for 1.0 mol of an ideal gas as shown in the figure. w_1, w_2, w_3 and w_4…2026
NEET (UG) 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.