4 A glass tube sealed at top end is inverted in mercury

Last updated: 6/10/2023

4 A glass tube sealed at top end is inverted in mercury reservoir such that top end is at 76cm from free surface of mercury in reservoir Amount of monoatomic gas trapped in tube is 0 12 moles Now temperature of trapped air mercury and surroundings is increased very slowly by 2K Find Heat transferred to gas In Joule Given gas constant R 8 31 J mol k Atmospheric pressure pressure 76 cm of mercury Ignore effect of surface tension and any expansion in tube and mercury FEE