Two argon atoms can form a weakly bound molecule held by weak Vander Waal force. This bond (spring like) has a potential energy of and the distance between the atoms is . Find the frequency of small oscillations of any one of the atoms about mean position

state the principle of separating two immiscible liquids by separating funnel. describe an activity with diagram to separate a mixture of water and kerosene oil. answer: immiscible layers separate out in layers depending on their densities in separating funne

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.

the answer is barium and copper bromide