At 0.9 bar of pressure and 373.15 K, the hypothetical transition from liquid to gaseous water will result in what change in the total entropy of the “universe”? No change An increase in the total entropy A decrease in the total entropy Not

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A: Entropy is defined as degree of randomness or disorderliness present in a molecule.If a molecule is…

Q: The graph represents the energy change of a chemical reaction. Which must be true about the entropy…

A: Given, the energy profile diagram: We have to find the correct statement about the entropy of the…

Q: Discuss Temperature Variation of Entropy?

A: Given :  To discuss temperature variation of entropy.

Q: “The most stable state of an isolated system is the state of maximum entropy”. Use the second law of…

A: Entropy change always exhibits the decrement or increment in the system's randomness. Any reaction's…

Q: which of the following processes produces a decrease of the entropy of the system? dissoling sodium…

A: Entropy is the measure of randomness.

Q: Rank the following substances in order of increasing standard molar entropy. (Please use the numbers…

A: Here, we have to rank the given substances in order of increasing standard molar entropy (S°). Given…

Q: Which of the following processes represent a decrease in entropy for the system described? Select…

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Q: The second law of thermodynamics says that "the entropy of the Universe is increasing", what is the…

A: Entropy is a measure of the degree of randomness or disorder of the system. The second law of…

Q: ow: a. If a process leads to an increase in the entropy of the universe it will occur…

A: Entropy means randomness.  If number of gaseous moles increases in product side, then randomness…

Q: 5. How does temperature affect entropy?

A: To determine the effect of temperature on entropy

Q: An endothermie process that decreases in entropy is always nonspontaneous. Why can't we determine a…

A: Since the reaction is endothermic, enthalpy change(∆H) is always positive.  When entropy decreases,…

Q: +02 (9), Whất shift were added to the closed system? Why? cotal moles of reactants and how many…

A: 14) Equilibrium shifts to Backward direction.  because by adding oxygen,  amount of oxygen in…

Q: A system is at an initial entropy of 375 J/K and undergoes a system change that results in a final…

A: Given that, Initial entropy = 375 J/K Final entropy = 840 J/K

Q: 7. How might the entropy change when the temperature of a system is decreased as represented in the…

A: A numerical problem based on entropy change, which is to be accomplished.

Q: xothermic change and an increase in entropy.

A: Spontaneous process is the process which takes place its own.  Criteria for Spontaneous is depend on…

Q: In which is there a positive entropy change? A. Magnesium combusts in air to form Magnesium oxide B.…

A:

Q: Which of the following situations would be least likely to increase the entropy of a system?…

A: The objective of this question is to find the situation which would be less likely to increase the…

Q: What is an example of a system showing a decrease in entropy  a. Helium escaping a balloon b.…

A: In this question, we will select the correct statement which showing the Decreasing entropy of the…

Q: 15. Determine whether the molecules in each pair are same or enantiomers. H a. CH3CH2Cl CH2CH3 CH3…

A: Step 1:Step 2: Step 3: Step 4:

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Q: Indicate whether each statement is true or false. If a system undergoes a reversible process, the…

A: The entropy change for the reversible process is determined by using the formula,

Q: Calculating entropy change from reversible heat flow The heat of fusion AH, of dichloromethane…

A: The entropy of fusion of the solid is given by: Where ∆S = change in entropy =? ∆H = change in…

Q: what is entropy?

A: Entropy(S)- Entropy is a thermodynamic property. Entropy determines spontaneity of process.…

Q: The total energy available in a piece of bacon is referred to as A) Entropy B) Exothermic potential…

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Q: A curious blacksmith forge 1 kg of iron then dropped it into an insulated container that contains 50…

A: Specific heat capacity is the amount of heat needed to raise the temperature of a substance by 1…

Q: 1A. The following 3 parts pertain to the entropy change for a sample of neon gas initially at 250 K…

A: 1B.Steps required to calculate the Entropy change: 1. First we have to put the entropy change…

Q: Under what circumstances does entropy of a system decrease for a spontaneous process

A: For any  spontaneous process, the value of Gibbs free energy change i.e ΔG should be -ve And since…

Q: Which of the following statements are true of entropy? (Circle all that apply.) It is a measure of…

A: The problem is purely based on the concept of entropy.Given statements about entropy are:It is a…

Q: If there are two chemical reactions: #1 with change in Gibbs free energy of -25 kJ/mol; and #2 with…

A: #2 since it has a higher change in Gibbs free energy.

Q: Change A chemical reaction between two liquids creates gaseous products. An exothermic chemical…

A: Spontaneity of the reaction can be decided on the basis of the value of Gibbs free energy change and…

Q: Describe how the following changes effect the positional entropy of a substance (explain).…

A: Entropy is an important thermodynamic parameter that can be used effectively to explain the various…

Q: A. Indicate whether entropy increases or decreases and positive or negative in the following…

A: Entropy measure the randomness of system.  The order of intermolecular forces present in different…

Q: What is the change in entropy (positive, negative, or zero) for the system? Sugar crystals are…

A: When solid dissolved in water, the entropy increases; but considering sugar that is larger when…

Q: Does vaporization at lower temperature decrease entropy?

A: Entropy is nothing but it is measure of randomness.In…

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: 2. Which of the following statements regarding entropy is FALSE? a) Sugar poured into a container of…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Which of the following statements is correct regarding the change in Gibbs free energy of a chemical…

A: Gibbs free energy is a measure of maximum available work that can be extracted from any system under…

Q: which statement about entropy is true? non-spontaneous reactions sometimes will happen all by…

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Q: hether the entropy changeo

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Q: During digestion, complex carbohydrates decompose into simple sugars. Do the carbohydrates…

A: In the decomposition reaction, moles of products are greater than that of reactants.

Q: Which of the following definitions correlate to the term nonspontaneous process? O Change in entropy…

A: A spontaneous process is capable of proceeding in a given direction without needing to be driven by…

Q: Determine the change in entropy when the pressure of 18.5 g of gaseous N2 increases from 0.796 atm…

A:

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: Spontaneity of the reaction can be decided on the basis of the value of Gibbs free energy change…

Q: Explain how it's possible for a chemical reaction to have a negative entropy change value if the…

A: Entropy is ability of system to determine spontaneity, whether a particular reaction or system is…