0.040g of He is kept in a closed container initially at `100.0^(@)C.`The container is now heated. Neglecting the expansion of the container, Calculate the temperature at which the inernal energy is increased by 12J.

The initial temperature of a gas is 100^(@)C . The gas is contained in closed vessel . If the pressure of the gas is increased by 5% , calculate the increase in temperature of the gas :

A sample of a gas is kept in a closed container and temperature is increased. Which of the following is true?

A gas is contained in a vessel fitted with a movable piston. The container is placed on a stove. A total of 100 cal of heat is given to the gas and the gas does 40 J of work in the expansion resulting from heating. Calculate the increase in internal energy in the process.

A gas is contained in a vessel fitted with a movable piston. The container is placed on a stove. A total of 100 cal of heat is given to the gas and the gas does 40 J of work in the expansion resulting from heating. Calculate the increase in internal energy in the process.

(a) An ideal gas contained in a cylinder is given 200 J of heat. The gas does 60 J of work in the expansion resulting from heating. Calculate the increase in internal energy in the process. (b) Calculate the change in internal energy of a gas kept in a rigid container when 150 J of heat is supplied to it.

In a closed insulated container, a liquid is stirred with a paddle to increase the temperature. Which is true-

A container of volume 50 cc contains air (mean molecular weight = 28.8g ) and is open to atmosphere where the pressure is 100kPa . The container is kept in a bath containing melting ice (0^(@)C) .(a) Find the mass of the air in the container when thermal equilibrium is reached.(b) the container is now placed in another bath containing boiling water (100^(@)C) . Find the mass of air in the container. (C) The container is mow closed and placed in the melting-ice bath. Find the pressure of the air when thermal equilibrium is reached .

Consider a cylindrical container of cross-section area A length h and having coefficient of linear expansion alpha_(c) . The container is filled by liquid of real expansion coefficient gamma_(L) up to height h_(1) . When temperature of the system is increased by Deltatheta then (a). Find out the height, area and volume of cylindrical container and new volume of liquid. (b). Find the height of liquid level when expansion of container is neglected. (c). Find the relation between gamma_(L) and alpha_(c) for which volume of container above the liquid level (i) increases (ii). decreases (iii). remains constant. (d). On the surface of a cylindrical container a scale is attached for the measurement of level of liquid of liquid filled inside it. If we increase the temperature of the temperature of the system by Deltatheta , then (i). Find height of liquid level as shown by the scale on the vessel. Neglect expansion of liquid. (ii). Find the height of liquid level as shown by the scale on the vessel. Neglect expansion of container.