16. Which among the following represents a positive change in entropy? O release of thermal energy O a decrease in thermal energy O a process that is always spontaneous O an increase in dispersal of matter (molecular disorder)

Q: 12. For mercury, the enthalpy of vaporization is 58.51 kJ/mol and the entropy of vaporization is…

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Q: The strongest known chemical bond is that in carbon mon- oxide, CO, with bond enthalpy of 1.05 × 10³…

A: Change in Gibbs free energy. ∆G is the change in Gibbs free energy. ∆H is the change in enthalpy.…

Q: Module 8, Is the change in entropy for the following chemical reactions positive or negative? (Note:…

A: Equilibrium constant is defined as ratio of concentration of product to concentration of reactant.

Q: Which of the following represents an increase in entropy? O a. Formation of water vapor O b. Boiling…

A: Here we have to predict the process in which  there is increase of of entropy  occur.

Q: A box contains a helium gas with 15 helium atoms. Initially, 12 helium atoms are in the right…

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Q: In which of the following processes does the entropy decrease? The dissolving of sodium chloride in…

A: In which of the following process entropy decreases :  a) The dissolving of sodium chloride in…

Q: Which of the following represents an increase in entropy? a) CH12 (1) → C6H12 (s) b) the reaction 2…

A: Entropy is defined as randomness present in any system. Entropy of any system is maximum in gases…

Q: Does entropy increase when temperature decreases ? Can you explain why these are correct with this…

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Q: Which of the following statements is TRUE? O A. Entropy increases when the system becomes more…

A: The reaction in which heat is released is called as exothermic reaction.

Q: What is the type of entropy change for 6CO2(g) + 6H2O(g) —> C6H12O6(g) + 6O2(g)? Provide…

A: Answer  In this given reaction 6CO2(g) + 6H2O(g)…

Q: What are the different phases of entropy and their description?

A: The entropy tells us about the disorderness of the system or we can say that the randomness of the…

Q: Which substance has the greatest entropy, He(g) or Na(s)? Explainyour reasoning.

A: ENTROPY: Entropy is defined as a measure of the randomness or the disorderliness of a thermodynamic…

Q: What is the change in entropy when 0.200 mol of potassium freezes at 63.7°C (H(fus)=2.39 kJ/mol)?

A: Entropy is a state function and it gives a measure of randomness in a system.Change in entropy is…

Q: There is a natural tendency for the universe to have increased entropy.

A: Given statement is true or false ?

Q: Does the entropy of the system increase, decrease, or staythe same when (a) the temperature of the…

A: The maximum possible arrangements of a molecules or the randomness is called the entropy of the…

Q: Of the following the entropy of gaseous is the largest at 25 C and 1 atm. OA C3HB OBỊ CH6 ODỊ CH6

A: Entropy means randomness of the molecules ,the small molecules has more randomeness ,so its entropy…

Q: The accompanying diagram shows how entropy varies with temperature for a substance that is a gas at…

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Q: 4.25 a. Consider the following statement: "Although the entropy of a given system may increase,…

A: Thermodynamics is branch of chemistry in which we deal with heat of reaction.

Q: You have learned that in all spontaneous processes, the entropy of the universe always increases.…

A: Entropy is a measure of randomness of a system. According to the second law of thermodynamics,…

Q: 1. Which of the following changes lead to a decrease in entropy? a. sugar dissolving in coffee b.…

A: Entropy is the measure of randomness or disorder in a system.

Q: Rank the following according to DECREASING number of entropy A. 1.32 mol SF6 B. 31.0 g S8…

A: we need to rank A-D in the order of decreasing entropy

Q: 1. How does the entropy change when the following occur? Predict whethen there is an increase or…

A: Entropy is defined as degree of randomness in a system.

Q: Rank the following substances in order of decreasing standard molar entropy (S°). Rank the gases…

A: Molar entropy: The standard Molar entropy of a substance is the entropy content of one mole of a…

Q: For numbers 15 - 16, refer to the following choices: Predict whether the entropy of the system in…

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Q: Which of the following statements correctly describes the nature of entropy? O Reversible reactions…

A: Applying concept of entropy with the help of law of thermodynamics.

Q: What is the precise definition of entropy?

A: Entropy is a thermodynamic state function that determines randomness in a system.  When we raise…

Q: Two moles of helium and three moles of argon are mixed at the same pressure and temperature. a)…

A: When two or more substances are mixed under normal conditions of temperature and pressure there is a…

Q: The vaporization of methanol CH:OH(I) = CH3OH(g) is an endothermic process in which AHvap = 37.4…

A: ∆Hvap = 37.4KJ/mol ∆Svap = 111J mol-1K-1  Boiling Point at 385torr =? 385torr = 0.5065atm  R =…

Q: A closed vessel of volume 2.7 L2.7 L contains a mixture of neon and fluorine gas. The total pressure…

A: Given: Volume of vessel = 2.7 L Total pressure at 00C= 2.9 atm The mixture is heated to 120C Entropy…

Q: An iron nail is placed in a sealed glass jar filled with humid air (the "system").  After the nail…

A: Change in entropy (ΔS) is defined as the ratio of heat transfer (Q) and temperature (T). The…

Q: 35. List the following in terms of increasing entropy (from lowest to highest), assuming one mole…

A: Since as we know that ;  (In one mole )  Entropy of N2 (g) = 191.61 J/K.mol Entropy of HNO3 (l) =…

Q: A closed vessel of volume 2.1 L contains a mixture of neon and fluorine gas. The total pressure of…

A: Given,  Volume of the closed vessel = 2.1 L  Total pressure = 3.8 atm at 0°C  The mixture is heated…

Q: Which of the following is likely to have the highest standard entropy in the liquid state? O…

A: Entropy is the measure randomness or disorderness of molecule

Q: Order the following in order of INCREASING standard molar entropy. Type your answer in the form of a…

A: We have to arrange given compounds  in order of INCREASING standard molar entropy

Q: 1. How is entropy change determined? What data are needed for the calculation? 2. What general rules…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: When fumes of ammonia and fumes of hydrobromic acid meet, they form a “smoke” of solid ammonium…

A: The question is based on the concept of chemical thermodynamics. we have to calculate enthalpy,…

Q: Explain in molecular terms why the entropy of a gas increases (a) with volume, (b) with temperature.

A: (a) The dispersion of energy and matter in the system indicates the entropy. By increasing volume…

Q: e The increase in entropy

A:

Q: Propanol 1C3H7OH2 melts at -126.5 °C and boils at 97.4 °C. Sketch how the entropy changes as…

A: Entropy is the measure of the randomness of the system. The entropy of the system increases for the…

Q: Arrange Au(s), Al(s), and C(s) in order of increasing entropy. Assume the three solids are at the…

A: The correct order of entropy is given below

Q: The mathematical equation that best defines the change in molar entropy of the system is O A. Atrs S…

A: Reversible phase transition requires positive heat qtrs . Because the pressure is constant, the heat…

Q: The accompanying diagram shows how entropy varieswith temperature for a substance that is a gas at…

A: Entropy is the measure of the randomness. More the randomness , more the entropy. Thus , entropy of…

Q: Which of the following processes shows a decrease in entropy of the system? Select one: O a. 2…

A: Entropy is the randomness or disordnerness of the system. ∆S= ∑SP-SR1. If ∆S= +ve ⇒Entropy…

Q: Two moles of helium and three moles of argon are mixed at the same pressure and temperature. a)…

A:

Q: the highest molar entropy? a. CH2Cl2 (g) b. NH3 (g) c. N2O5 (s) d. N2H4 (l)

A: Entropy is the randomness of molecules in the given system.