Give the mathematical equation for entropy change.
- A$\Delta S = q \times T$
- B$\Delta S = \frac{q_{rev}}{T}$
- C$\Delta S = \frac{T}{q_{rev}}$
- D$\Delta S = q + T$
Explore More
Similar Questions
The second law of thermodynamics states that in a cyclic process:
Which of the following reactions has $\Delta S > 0$?
Medium
View SolutionWhat is the unit of $\Delta S_m^\circ$?
Medium
View SolutionIn a reversible expansion,one mole of gas is expanded isothermally at $200 \ K$ till its volume increases $10$ times. Calculate $\Delta S_{total}$ at equilibrium (in $J \ K^{-1}$)?
Two blocks of the same metal having same mass and at temperatures $T_1$ and $T_2$ respectively,are brought in contact with each other and allowed to attain thermal equilibrium at constant pressure. The change in entropy,$\Delta S,$ for this process is
DifficultJEE MAIN 2019
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo