Calculate the gas constant for 1 g of gas from the following data: C p = 0 . 245 cal g - 1 ° C - 1 ; C v = 0 . 165 cal g - 1 ° C - 1 and J = 4 . 2 × 10 7 erg cal - 1 .

Question

Calculate the gas constant for 1 g of gas from the following data: C p = 0 . 245 cal g - 1 ° C - 1 ; C v = 0 . 165 cal g - 1 ° C - 1 and J = 4 . 2 × 10 7 erg cal - 1 ., 3 . 36 × 10 6 erg g - 1 ° C - 1, 2 . 13 × 10 6 erg g - 1 ° C - 1, 4 . 26 × 10 6 erg g - 1 ° C - 1, 2 . 57 × 10 6 erg g - 1 ° C - 1

MARKS App · Accepted Answer

Since we know C p - C v = r J or r = J C p - C v ∴ r = 4 . 2 × 10 7 ( 0 . 245 - 0 . 165 ) or r = 3 . 36 × 10 6 erg g - 1 ° C - 1

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