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(Solved): (20pts) At T=25\deg C,1000cm^(3) of nitrogen (N_(2)) at pressure P_(1)=1 atm is mixed with 2000cm^(3 ...



(20pts) At

T=25\deg C,1000cm^(3)

of nitrogen

(N_(2))

at pressure

P_(1)=1

atm is mixed with

2000cm^(3)

of oxygen

(O_(2))

at pressure

P_(2)=2atm

. The volume of the mixture is then changed such that the temperature and pressure in the final state are

T=25\deg C

and

P=1atm

, respectively. Please calculate the change of entropy associated with this two-step process if both nitrogen and oxygen behavior as ideal gas. (the gas constant

R=0.082

liter

*at(m)/()

degree

*

mole

=8.314

joule

/

degree

*

mole

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