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The given figure shows a change of state...

The given figure shows a change of state A to state C by two paths. ABC and AC for an ideal gas. Calculate the ,

(a) Path along which work done is least.
(b) Internal energy at C if the internal energy of gas at A is 10 J and amount of heat supplied to change its state to C through the path AC is 200 J.
( c) Amount of heat supplied to the gas to gd from A to B, if internal energy of gas at state B is 10 J.
(ii) In an insulated contained 1 mole of a liquid, molar volume 100 mL. is at 1 bar liquid is steeply taken to 100 bar, where volume of liquid decreases by 1 mL. Find `DeltaE` and `DeltaH` for the process?
(iii) 14 g of oxygen at `0^(@)` C and 10 atm are subjected to reversible adiabatic expansion to a pressure of 1 atm. Calculate the work done in
(i) Litre atm.
(ii) Calorie (Given, `C_(p)/C_(v) = 1.4`).

Text Solution

Verified by Experts

(i) `+3262.88` cal
(ii) 9900 bar mL
(iii) `W_("rev") = -287.88` cal.
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