1.

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

Answer»

Unit of R depends upon those units in which p, V and T are measured, R-pV/nT.

If pressure is measured in Pascal, per mole volume is measured in m3 and temperature is measured in Kelven then. Units of ‘R’ are Pam3K–1 mol–1 or J mol–1 K–1. Jule is the unit of work done so ‘R’ is work done per mole per kelvin.



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