One mole of an ideal gas at 300 K is expanded isothermally from an initial volume of 1 litre to 10 litres.
One mole of an ideal gas at 300 K is expanded isothermally from an initial volume of 1 litre to 10 litres. The ΔE for this process is
(R = 2 cal mol-1 K-1)
(a) 1381.1 cal
(b) zero
(c) 163.7 cal
(d) 9 L atm
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The correct option is: (b) zero
Explanation:
Change in internal energy depends upon temperature. At constant temperature, the internal energy of the gas remains constant, so ΔE = 0
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