Question

Value of gas constant R is

(a) 0.082litre atm 

(b) 0.987cal mol^–1K^–1

(c) 8.3Jmol^–1K^–1 

(d) 83erg mol^–1K^–1.

Answer 1

(c) : Units of R
(i) in lit atm => 0.082lit atm mol^–1k^–1
(ii) in C.G.S. system => 8.314 × 10⁷erg mol^–1k^–1
(iii) in M.K.S. system => 8.314Jmol^–1k^–1
(iv) in calories =>1.987cal mol^–1k^–1