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Part B A gaseous system undergoes a change in temperature and volume. What is th

ID: 1008172 • Letter: P

Question

Part B

A gaseous system undergoes a change in temperature and volume. What is the entropy change for a particle in this system if the final number of microstates is 0.811 times that of the initial number of microstates?

Express your answer numerically in joules per kelvin per particle.

5.97•1024

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Part C

If H = -60.0 kJ and S = -0.200 kJ/K , the reaction is spontaneous below a certain temperature. Calculate that temperature.

Express your answer numerically in kelvins.

S =

5.97•1024

  J/(Kparticle)  

Explanation / Answer

A)k = 1.38 x 10-23 J/K

S = 1.38*10^-23*ln(.0.811)=-2.89*10^-24 J/(K*particles)

B)G= H - TS

G = 0

T= S /H = -60/ -0.200= 300 K