For a reaction in which the entropy has decreased, what is the sign of ΔΔS? Select one: a. positive b. zero c. negative d. any of these

Q: Determine the sign of entropy change (+∆S or -∆S): a. Expansion of gas b. CaCO3(s) → CaO(s) + CO2(g)…

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

Q: What is the entropy change for the universe, delta Suniv, for the vaporization of one mole of CH3OH…

A: The solution is as follows :

Q: If a certain process has ΔS univ > 0 at 25°C, the process may be described as   A. Spontaneous.…

A:

Q: 11. For each pair of items, tell which has the higher entropy, and explain why. a) Item 1, a sample…

A: A  we have two choices            CO2 at -78°C           CO2 at 0° C  Entropy tells us about…

Q: Determine the sign of entropy change (+∆S or -∆S): a. CaCO3(s) → CaO(s) + CO2(g) b.  N2(g) + 3H2(g)…

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

Q: 05. Calculate the standard entropy change (AS) for each reaction. a. 2KCIO, (s) – 2KCI (s) + 30, (@)…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: AS° for the reaction shown is equal to -667.8 (J/mol-K). Use the information given in the table to…

A: Given,

Q: Calculate the standard entropy values for the following reactions at 25 °C.

A: The degree of randomness  of one mole of a sample under standard state conditions is known as the…

Q: B. Predict whether AS is positive or negative for the reaction: N2(g) + 02(g) → 2NO(g) C. Which has…

A: Entropy of reaction :-       It is the degree of randomness of the reaction. In the isolated system…

Q: Calculate the entropy change for dissolving HCl gas in water at 25 °C. Is the sign of ∆S° what you…

A: HCl is a polar gas. Entropy is the degree of randomness. Entrop of solid is lesser than liquid while…

Q: Calculate ΔG for the following reaction at 30°C. Will the reaction occur (be spontaneous)? How do…

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Q: For each of the following pairs, predict which substance possesses the larger entropy per mole: (a)…

A: Introduction :  We have to calculate which gas possesses larger entropy . Entropy means degree of…

Q: Which distribution of six particles into three interconnected boxes has the highest entropy? a) b)…

A: Entropy: It is the thermodynamic parameter that is used to measure the randomness that exists in a…

Q: For each process below, determine the sign of ΔG. (positive, negative, or not enough…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Which of the following has the lowest entropy? Select one: a. H2O (g, 100°C) b. H2O (s, 0°C) c. H2O…

A: Ans is. C

Q: Predict the sign of the entropy change. Justify your answers.  a) 2 HCl (g) + Br2 (l) --> 2HBr…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: In the previous reaction of carbon with water, why does the standard entropy you calculated have the…

A: The balanced given reaction is as follows,

Q: 19.39) For each of the following pairs, predict which substance has the higher entropy per mole at a…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Under certain conditions, nitrogen gas and oxygen gas react to form the toxic brown gas nitrogen…

A: The standard Gibbs free energy, △Go is given as : If the value of △Go is positive or greater than…

Q: For each of the following processes, determine the sign on the entropy and the best explanation for…

A: Given: A gas is cooled at constant pressure from 40 °C to 20 °C.

Q: A. Identify if the given entropy (AS) of the reaction is positive or negative, spontaneous or…

A: In simple words entropy is measure of disorder or randomness of system. Entropy of gas is more than…

Q: a. What is the sign of AS'm. (Circle one.) Positive Negative b. What is the sign of AH. (Circle…

A: Entropy means disordered. As the system becomes disordered then the entropy of the system increases.…

Q: For each of the following processes, determine the sign on the entropy and the best explanation for…

A:

Q: Which of the following have more entropy? Explain your reasoning! a. A deck of cards in order or a…

A: As the randomness of the system increases, the entropy of the system will increase.

Q: Consider the spontaneous (G° 0     S > 0 and H > 0     S > 0 and H < 0

A: The reaction given is 2 O (g) -----&gt; O2 (g)  Since in the above reaction, initially we had 2…

Q: For each set, indicate which has the highest entropy in each set? Set I. H20(s), H20(1), H20(g) at…

A: In this equation, we will determine which species have highest entropy in each set. How we can…

Q: Predict the sign of ΔSₛᵧₛ for each process:(a) Alcohol evap-orates. (b) A solid explosive converts…

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

Q: S a) Calculate the standard entropy change for the reaction involving carbon dioxide, r, methane,…

A:

Q: One of the following processes is spontaneous at 298 K Which one? 1. H2O(l)-H2O(g, 1 atm) 2.…

A: One of the following processes that is spontaneous at 298 K is to be determined.

Q: Which equation is incorrect about the entropy of a substance? A. S gas = 0 B. S liquid > 0 C. S…

A: Since we know that Entropy means the degree of randomness of a substance. We also know that Ssolid…

Q: For each pair listed below, which choice has the substance with the highest entropy listed first?…

A: Entropy is a measure of the energy dispersal in the system. It is the measure of a system's thermal…

Q: Calculate the standard entropy change for the dissociation of NaBr into its ions. NaBr(s) → Na (aq)…

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Q: What must the sign of ∆G be for any spontaneous process

A: Dear student I have given answer to your question in the image format.

Q: Mn(s) and Mn(g) Match the words in the left column to the appropriate blanks in the sentences on the…

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

Q: Determine the sign of entropy change (+∆S or -∆S): a. CH3OH(l) → CH3OH(g) b.  2KClO3(s) → 2KCl(s) +…

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

Q: (a) Calculate ∆S at 25°C. (b) Why is the entropy change so favorable for this reaction?

A: We know that,∆G⁰ = ∆H° - T∆Swhere ∆G is the standard Gibbs free energy, ∆H is the standard enthalpy…

Q: 17. For the decomposition of hydrogen peroxide to water and oxygen, H;O2(g) H;O(g) + ½O2(g) AH° =…

A: The Gibb's free energy at constant temperature and pressure is given by the equation: ∆G=∆H-T∆S…

Q: Predict which member of each of the following pairs hasthe greater standard entropy at 25°C: (a)…

A: In this question, first we will see which substance have greater standard entropy value. You can see…

Q: For each of the following pairs, predict which substancehas the higher entropy per mole at a given…

A: a) Gas molecules are more random than liquid molecules. Entropy increases with increase in…

Q: 1point You got a new lego set on your birthday and you build an air plane. The change in the entropy…

A: 3 1 pont You got a new lego set on your birthday and you build an air plane. The change in the…

Q: predict the sign (+ or -) of the entropy change for the following reaction: I2(l) -> I2(s)

A: Entropy is defined as the randomness of a system. So, to have greater entropy of a system there…

Q: 6. Use the chart to answer parts (a), (b), and (c) of this question. (a) Predict the sign of the…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: For the reaction depicted in the molecular scenes, X is redand Y is green.(a) Write a balanced…

A: Entropy explains the measure of randomness of a given system. For a reaction, the entropy would be…

Q: Determine the entropy change in each of the following processes: 4a. One mole of an ideal gas is…

A:

Q: Predict which member of each of the following pairs has the greater standard entropy at 25°C: (a)…

A: Standard entropy is defined as the entropy of pure substance under a standard state. It is denoted…

Q: the decomposition of hydrogen peroxide to water and oxygen,         H2O2(g) ⟶⟶ H2O(g) + O2(g) ΔΔH°…

A:

Q: Predict the sign of ΔSₛᵧₛ for each process: (a) A piece of waxmelts. (b) Silver chloride…

A: Entropy(S) It is defined as randomness of any system or how much a system is free. Entropy is a…

Q: H.W/ Which the substance in each following pairs would have the greater entropy? Explain. a) At 75°C…

A: Since we only answer up to the 3 subparts, we will answer the first three only. Please resubmit the…

Q: Determine the sign of entropy change (+∆S or -∆S) a. 2KClO3(s) → 2KCl(s) + 3O2(g) b. N2O4(g) →…

A: The entropy (S) is determined on the basis of the phase transition of the reacting species. The…

Q: predict the sign (+ or -) of the entropy change for the following reaction: I2(g) --> I2(s)

A: Given  I2(g)  →  I2 (s) Sign of Entropy Change ( ∆S ) = ?