Choose from the following statements that best describe a spontaneous process having ASsystem < 0 O a. always happen O b. may happen if AS surround < 0 O c. never happen O d. may happen if ASsurround + ASsystem > 0
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- O ENTROPY AND FREE ENERGY Predicting qualitatively how entropy changes with mixing and. O 0/5 Nerbs V For each system listed in the first column of the table below, decide (if possible) whether the change described in the second column will increase the entropy S of the system, decrease S, or leave S unchanged. If you don't have enough information to decide, check the "not enough information" button in the last column. Note for advanced students: you may assume ideal gas and ideal solution behaviour. System Change AS 20. L of pure oxygen (O,) gas and O AS 0 32°C. not enough O information O AS 0 not enough O information O AS 0 not enough O information Explanation Check O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center| Accessibility IA n DEI o search 99+ o o o CFor each system listed in the first column of the table below, decide (if possible) whether the change described in the second column will increase the entropy s of the system, decrease s, or leave s unchanged. If you don't have enough information to decide, check the "not enough E information" button in the last column. olo Note for advanced students: you may assume ideal gas and ideal solution behaviour. System Change AS O As 0 42° C. pressure kept constant at 1 atm. not enough information O As 0 both at 37.°C. flows through the bag into the sucrose solution. not enough information O AS 0 water and 250. mL of brine (very salty water). not enough informationConsider the differential: dp = ?/? ??+(2?/?3−??/?2) ?? (where a is a constant). Is the thermodynamic quantity p a path function or a state function? Why?
- (b) Bn MezSiO., MezSiO,, Ме -78 °C, CH2C12 MeO CHO MeO ОН2. Consider a system with 1000 particles that can only have two energies, &, and ɛ, with E, > E,. The difference between these two values is Aɛ = ɛ, -&,. Assume that gi = g2 = 1. Using the equation for the Boltzmann distribution graph the number of particles, ni and n2, in states &, and s, as a function of temperature for a Aɛ = 1×10-2' J and for a temperature range from 2 to 300 K. (Note: kB - 1.380×10-23 JK-!. n 8.* or n = e n, g;EXERSICE 2 A system is characterized by two non-degenerate energy levels. At a temperature of 300 K, the probability of the first energy level is p₁ level p2 600 K. = 0.8 and of the second energy = 0.2. Calculate the probabilities of the two energy plants at a temperature of
- 1) As a result of some process, the internal energy of a system is increased. According to the first law of thermodynamics, one can tell that the increase was due to orderly macroscopic work W or due to the flow of energy through disorderly microscopic means Q a. By measuring the temperature of the system before and after the process. b. By measuring the temperature of the surroundings before and after the process. c. Both (a) and (b) are correct. 2) High entropy indicates that a. There are few ways for the molecules to rearrange themselves. b. There are many ways for the molecules to rearrange themselves. c. None of the above. 3) Nonionic constituents of cytoplasm of usual mammalian cell are with pH of a. 7.2 4) ΔΗ = Qat a. Constant temperature b. Constant pressure c. Constant temperature and pressure 5) Some factors can denature proteins including a. Changing temperature, pH, and salt concentration of the solution b. Putting the protein into a hydrophobic solvent c. All of the above…Fundamental Equation Maxwell Relation A dA = -pdV – SdT se vớp dU = TdS – pdV %3D as, G, - ), dG = Vdp – SdT ƏT D dH = TdS + Vdp Which fundamental equation of thermodynamics is matched with a wrong Maxwell relations? O none of the above О в Ос O A B.2. Consider a system with 1000 particles that can only have two energies, &, and ɛ, with E, > E,. The difference between these two values is Aɛ = ɛ, - & . Assume that gi = g2 = 1. Using the equation for the Boltzmann distribution graph the number of particles, ni and n2, in states &, and ɛ, as a function of temperature for a A6 = 1×10-21 J and for a temperature range from 2 to 300 K. (Note: kµ = 1.380×10 23 J K-!. " - & % n or = e n, 8,
- what should i put for the numinator of the Kb equation. Because the value of Kw is not in the options for me tu put in the numinator ?At temperature T, the internal energy of 1mol rigid diatomic molecules is =......1 3. Determine AS (in J K-¹ to the nearest whole number) for a system composed of 85.0 g of water that evaporates from a liquid to a gas at the normal boiling point of water. Additionally, what is AS if you evaporated twice this amount of water? (AHcondensation (H₂O) = −40.7 kJ mol−¹ ) A: 515; 1030 2-0 Ł p X-90.7) 5