An ideal gas enclosed in a cylinder fitted with a frictionless and weightless piston, pushes it outside. What would be the sign convention for the work ?

What is the sign convention for work?

What are the sign conventions, for heat and work ?

1 mol of an ideal gas is enclosed in a cylinder fitted with a frictionless and weightless piston. The gas absorbs x kJ heat and undergoes expansion. If the amount of expansion work done by the gas is x kJ, then the expansion is-

An ideal gas is enclosed in a cylinder fitted with a frictionless piston. The piston is connected with a light rod to one plate of capacitor whose other plate is fixed as shown. Initially volume of the gas inside the cylinder is V_0 Atmospheric pressure is P_0 separation between the plates is L, area of the piston as well as of the capacitor plates is A and emf of battery is epsilon . A heater supplies heat to the gas so that pressure of the gas is given as P=P_(0)-("n"epsilon_0epsilon^2)/L^2 when piston is displaced by a distance L/2 . Find value of n.

Two moles of an ideal gas is contained in a cylinder fitted with a frictionless movable piston, exposed to the atmosphere, at an initial temperature T_(0) . The gas is slowly heated so that its volume becomes four times the initial value. The work done by gas is

Two moles of an ideal gas is contained in a cylinder fitted with a frictionless movalbe piston, exposed to the atmosphere, at an initial temperature T_(0) . The gas is slowly heated so that its volume becomes fout times the initial value. The wor done by gas is

A certain amount of an ideal gas is enclosed in a cylinder fitted with a movable piston. What would be the changes of the volume of the gas in the following processes? (i) The pressure of the gas is reduced by 25% at constant temperature. (ii) The temperature of the gas is increased by 50% constant pressure.

A gas filled in a cylinder fitted with movable piston is allowed to expand. What is the nature of the work done by the gas?

A gas filled in a cylinder fitted with movable piston is allowed to expand. What is the nature of the work done by the gas?