What is the universal gas constant? Write its value and unit.

  • A
    $8.314 \ J \ mol^{-1} \ K^{-1}$
  • B
    $0.0821 \ L \ atm \ mol^{-1} \ K^{-1}$
  • C
    $1.38 \times 10^{-23} \ J \ K^{-1}$
  • D
    $6.626 \times 10^{-34} \ J \ s$

Explore More

Similar Questions

In the relation $n = \frac{PV}{RT}$,what does $n$ represent?

The volume of a gas at $30^{\circ} C$ temperature and $760 \ mm$ of $Hg$ pressure is $100 \ cc$. Then its volume at the same temperature and $400 \ mm$ of $Hg$ is (in $cc$)

The volume-temperature graph at atmospheric pressure for a monoatomic gas ($V$ in $m^3$,$T$ in $^{\circ}C$) is:

The figure shows the volume $V$ versus temperature $T$ graphs for a certain mass of a perfect gas at two constant pressures of $P_1$ and $P_2$. What inference can you draw from the graphs?

Explain why the pressure inside a tyre increases when a vehicle moves for a long period of time.

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo