If a gas absorbs 100J of heat and expands by 500cm^3 against a cons†an t pressure of 2×10^5Nm^{-2},the change in internal energy is:

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Q. If a gas absorbs

200 J

of heat and expands by

500 c m^{3}

against a constant pressure of

2 \times 10^{5} N m^{- 2}

, then the change in internal energy is:

Q. A gas absorbs

400 J

of heat and expands by

2 \times 10^{- 3} m^{3}

against a constant pressure of

1 \times 10^{5} N m^{- 2}

. The change in internal energy is

(1 L a t m = 100 J

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against a constant pressure of

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An ideal gas expands against a constant external pressure of 2 atmosphere from 20L to 40L and absorbs 10kJ of heat from surrounding. What is the change in the internal energy of the system ?

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