4. According to the 2 law of thermodynamics, ASi must be positive for a process to be spontaneous. Use your intuitions about AS, AS, and ASmi, to predict the signs and their relative sizes for the following processes. A. a sheet of paper (the system) burns up into ashes and gas B. liquid water boiling at 100°C at 1 atmosphere external pressure C. sodium chloride dissolving in water D. NaCI (ag) + AGNO, (aq) - NANO, (aq) + AgCI (s)

4. According to the 2 law of thermodynamics, ASi must be positive for a process to be spontaneous. Use your intuitions about AS, AS, and ASmi, to predict the signs and their relative sizes for the following processes. A. a sheet of paper (the system) burns up into ashes and gas B. liquid water boiling at 100°C at 1 atmosphere external pressure C. sodium chloride dissolving in water D. NaCI (ag) + AGNO, (aq) - NANO, (aq) + AgCI (s)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Answer number 39-48 pls. I don't want to waste my money here.
6) Which statement below best describes the Second Law of Thermodynamics? a. A perfectly ordered crystalline solid at zero Kelvin has zero entropy. b. The total entropy is positive for a spontaneous process. c. Energy is conserved. Scanned with CamScanner
Classify each process as spontaneous or nonspontaneous. Spontaneous Nonspontaneous Answer Bank A mixture of N, and O, gas is separated into pure N, and pure O2. The conversion of diamond to graphite at 25 °C and 1 atm. Water at 20 °C gets warmer when a piece of metal heated to 100 °C is added. Ice melts at –10 °C and 1 atm. The dissolution of table salt in hot water.
Consider the reaction: 2H₂(g) + O2(g) → 2H₂O(g) Using standard thermodynamic data at 298 K, calculate the free energy change when 1.70 moles of H₂ (g) react at standard conditions. AG° rxn Substance AG (kJ/mol) H₂O(g) -228.6 H₂(g) 0.0 O2(g) 0.0
Answer number 11 to 16 pls. I don't want to waste my money here thanks.
(16). Subject :- Chemistry
6. Who is the proponent of the Gibbs free energy? A. William Friedrich B. Guglielmo Marconi C. William Gibbs D. Janno Gibbs 7. When AG 2H1 (g) if the entropy values for each substance is as follows: H2(g) = 130.6, 12 (s) = 116.7 and HI (g) = 206.3 A. AS = +165.3 J/K B. AS-165.3 J/K C. AS = -41 J/K D. AS = +453.6 J/K 9. What value of Gibbs free energy can we safely predict that the reaction is spontaneous at all temperatures? A. a negative value C. a positive value at a low temperature B. a positive value D. a positive value at a high temperature 10. What will be the value of the entropy change of the system in the reaction: 6CO₂(g) + 6H₂O(g) → C6H12O6(g) + 602(g) ? C. no change D. cannot be determined A. positive B. negative 11. Ozone (03) in the atmosphere can react with nitric oxide (NO): Os(g) + NO(g) -> NO2(g) + O2(g) Calculate the G for this reaction at 25°C. (AH = -199 kJ/mol, AS = -4.1 J/K-mol) A. -198 kJ/mol B. +198 kJ/mol C.-301.5 kJ/mol D. +301.5 kJ/mol 12. Which of the…
According to the third law of thermodynamics, at what temperature will entropy become zero? A. 0° B. 25°C C. 0K D. 273 K
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To reach thermodynamic equilibrium under certain constraints, some state functions need to be maximized. Among the following, which one should be maximized?A. The enthalpy, HB. The internal energy, UC. The entropy, S a spontaneous processA. It is reversible.B. It is irreversible.C. It can be reversible or irreversible depending on whether equilibrium is maintained throughout the process.D. It can be reversible or irreversible depending on the value of ∆?. Justify all the alternatives.
Which species do you expect to have the highest molar entropy? a. CH2Cl2 (g) b. NH3 (g) c. N2O5 (s) d. N2H4 (l)
What of the following options describes the term "entropy, S"? O a. If a process or reaction is carried out in multiple steps, the sum of the enthalpy changes for these steps is the same as the enthalpy change if the entire reaction was carried out in a single step. O b. An indication that a process is capable of proceeding in a given direction without needing to be driven by an outside source of energy. O c. A thermodynamic function which measures the dispersal of energy amongst the particles in a substance. O d. The substances or material being studied in an experiment. For a chemical reaction, the system is all of the atoms in the substances undergoing the reaction. O e. Everything outside of the system.