Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET 2008
Exam
NEET
Year
2008
Subject
Chemistry
Chapter
Thermodynamics (C)

NEET 2008 · Chemistry · Thermodynamics (C)

If a gas expands at constant temperature, it indicates that

If a gas expands at constant temperature, it indicates that

Options

  1. Akinetic energy of molecules decreases
  2. Bpressure of the gas increases
  3. Ckinetic energy of molecules remains the same
  4. Dnumber of the molecules of gas increases

Correct answer

C. kinetic energy of molecules remains the same

Step-by-step solution

Key Idea : KE=32RTKE∝T\begin{gathered} K E=\frac{3}{2} R T \\ \mathrm{KE} \propto \mathrm{T} \end{gathered} Here, the temperature of gas remains constant, hence kinetic energy of molecules remains the same.
Practice Thermodynamics (C) on Quantrex Academy →

More from Thermodynamics (C)

A certain organic solvent has Δ H\_vap = 28.50\ kJ mol^ -1 and Δ S\_vap = 88.2\ J K^ -1 \… MHT CET Medical 2026Which of the following statements regarding spontaneous process is NOT true? MHT CET Medical 2026Calculate Δ H for a reaction, 2X_ (g) + Y_ (g) arrow 2Z_ (g) at 298 K if Δ U = -10.5 kJ… MHT CET Medical 2026500\ mL of nitrogen gas and 750\ mL hydrogen gas were allowed to react at 1\ bar pressure… MHT CET Medical 2026The relationship between Δ H and Δ U for the reaction, PCl_3(g) + Cl_2(g) arrow PCl_5(g)… MHT CET Medical 2026What would be the heat released in kJ when 450\ cm^3 of 0.02\ M\ H_2SO_4 is mixed with… MHT CET Medical 2026Identify from following reactions that it takes place with Δ H = Δ U . MHT CET Medical 2026Calculate the work done in the following reaction at 300\ K , A(g) + B(g) = 2C(g) [R =… MHT CET Medical 2026 Full Thermodynamics (C) list All NEET PYQs