data stream comprises the characters A, B, C, D and E with respective probabilities of 0.12, 0.21, .0.07, 0.31 and 0.29. Calculate the entropy 0.077 .a 0.0740 .b 1.6897 .C 2.1501 .d
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- Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy of the following chemical reaction: →+Al2O3s3H2g+2Als3H2Og Round your answer to zero decimal places. H2 0 , 0, 130Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy of the following chemical reaction: 4PCl3 (g) → P4 (g) + 6C12 (g) Round your answer to zero decimal places.Two blocks, each containing 2.00 moles of silver (Cp=25.35 Joules per Kelvin per Mole), are brought into contact. One of the blocks is initially at 373 K while the other is initially at 273 K. What would be the change in the entropy ( in Joules) for this system?
- With an appropriate example explain the concept of residual entropy.1.State the third law of thermodynamics .How is it interpreted in a microscopic thermodynamic sense? 2.with an appropriate example , explain the concept of residual entropyUsing the Boltzmanns formula calculate the entropy of 4.69e14 coins if they are randomly distributed. 1.949e-9 J 4.156e-24 J 2.703e15 J 4.488e-9 J
- Assume that solutions of ethylbenzene : benzene behave ideally. a) Calculate the entropy of mixing if 40 g of ethylbenzene is mixed into 50 g of benzene.b) At room temperature (298 K), what is ΔmixG for mixing 40 g of ethylbenzene (PhEt) and 50 g of benzene (PhH)?c) Would you notice a temperature change associated with the process in parts a) & b)?d) Instead you mix 40 g of benzyl alcohol (PhMeOH) into 50 g of benzene (PhH). Let’s denote the difference between this process and the process in part b) as:ΔΔG = ΔmixG[ PhMeOH ∶ PhH ] − ΔmixG[ PhEt ∶ PhH ]What do you expect the sign of ΔΔG to be? ( ΔΔG < 0, ΔΔG ≈ 0, or ΔΔG > 0 )Briefly justify your answer.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 0.674 times that of the initial number of microstates?the probabilities of states of independent systems X and Y are given by tables: xi x1 x2 pi 0,3 0,7 yi y1 y2 pi 0,4 0,6 find the entropy of the combined system (X, Y).
- Assume that solutions of ethylbenzene : benzene behave ideally. a) Calculate the entropy of mixing if 40 g of ethylbenzene is mixed into 50g of benzene.b) At room temperature (298 K), what is ΔmixG for mixing 40g of ethylbenzene (PhEt) and 50g of benzene (PhH)?c) Would you notice a temperature change associated with the process in parts a) & b)?d) Instead, you mix 40g of benzyl alcohol (PhMeOH) into 50g of benzene (PhH). Let’s denote the difference between this process and the process in part b) as: ΔΔG = ΔmixG [PhMeOH ∶ PhH] − ΔmixG [PhEt ∶ PhH] What do you expect the sign of ΔΔG to be? (ΔΔG<0, ΔΔG≈0, or ΔΔG>0)Briefly justify your answer.A sample of neon gas is cooled from 325 K to 175 K =, At the same time, the pressure increases from 1.00 bar to 7.50 bar. What is the molar entropy change (delta S) for the neon gas?Part b-- Standard entropy = 205 J/mol K