Three bulbs I II and III of volume V litres 2V litres and 3V

Last updated: 6/28/2023

Three bulbs I II and III of volume V litres 2V litres and 3V litres are connected by tubes of negligible volume fitted by stopping valve as shown in fig The bulb I is at 1 atm containing 0 3 mol of H gas at temp 127 C Bulb III contains O2 gas at 77 C and pressure of 2 atm Bulb II is vacuum and maintained at temp 27 C 1 atm VL 0 3 moles of H i 127 C valve a 2VL ii 27 C valve b 3VL 02 gas 77 C iii 2 atm The valve b is opened first and then closed after some time Then the valve a is opened and closed after same time as for valve b The number of moles O2 diffused into bulb II is 0 1 mol The partial pressure in atm of H observed in bulb 1 after diffusion is