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Value of universal gas constant (R) is same for all gases. What is its physical significance?

0 2 Views | Posted 4 months ago
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    Answered by

    Payal Gupta | Contributor-Level 10

    4 months ago

    This is a short answer type question as classified in NCERT Exemplar

    Unit of R depends on the  units of  p, V and T are measured, We know,   R=pVnT  Now, let's say, the  pressure is measured in Pascal, per mole volume is measured in m3 and temperature is measured in Kelvin,   then. Units of ‘R’ are Pa m3K-1 mol-1. Also, R is work done per mole per kelvin. It’s unit is J K-1 mol-1 (Joule is the unit of work done).

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