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One mole of an ideal gas (C(v,m)=(5)/(2)...

One mole of an ideal gas `(C_(v,m)=(5)/(2)R)` at 300 K and 5 atm is expanded adiabatically to a final pressure of 2 atm against a constant pressure of 2 atm. Final temperature of the gas :

A

270 K

B

273 K

C

248.5 K

D

200 K

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • One mole of an ideal gas (C_(vn)= (5)/(2)R) at 300 K and 5 atm is expanded adiabatically to a final pressure of 2 atm against a constant pressure of 2 atm. Final temperature of the gas is:

    A
    270 K
    B
    273 K
    C
    248.5 K
    D
    200 K

  • One mole of a ideal gas (C_(v,m)=5/2R) at 300 K and 5 at m is expanded adiabatically to a final pressure of 2 atm against a constant pressure of 2 atm. Final temperature of the gas is:

    A
    270K
    B
    273K
    C
    248.5K
    D
    200K

  • Two moles of an ideal gas (C_(V) = (5)/(2)R) was compressed adiabatically against constant pressure of 2 atm . Which was initially at 350 K and 1 atm pressure. The work involve in the process is equal to.

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    `250 R`
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