Mass of gas is 300 gm and its specific heat at constant volume is 750J/kg K. if gas is heated through 75°C at constant pressure of 10 5 N/m 2 , it expands by volume 0.08 ´ 10 6 cm 3 . find C P /C V...

Mass of gas is 300 gm and its specific heat at constant volume is 750J/kg K. if gas is heated through 75°C at constant pressure of 10⁵ N/m², it expands by volume 0.08 ´ 10⁶ cm³. find C_P/C_V.  (a) 1.4 (b) 1.374 (c) 1.474 (d) 1.5  ...... 2. At what temperature, the rms speed of gas molecules I half the value at NTP? (a) 68.25 K (b) 273 K (c) 345 K  (d) 0 K