Which of the following has the smallest standard molar entropy, Sº (298.15 K)? A) CaSO4(s) B) C(diamond) C) Xe(g) D) C60 (S) E) Br₂(1)

Q: The normal boiling point of Br2(l) is 58.8 ∘C, and it'smolar enthalpy of vapor Calculate the value…

A: The molar enthalpy of vaporization is 29.6 kJ/mol Temperature = 58.8 + 273 = 331.8 K

Q: What is the type of entropy change for 2 H2 (g) + O2 (g) —> 2 H2O (l)? Provide Description.

A: 2 H2 (g) + O2 (g) —> 2 H2O (l) entropy change:

Q: A) CaSO:(s) B) C(diamond) C) Xe(g) D) Cso(s) E) Br2(1)

A: Option B is correct answer. B. C ( diamond)

Q: For the following reaction (the detonation of nitroglycerin), is it spontaneous under standard…

A: Given that : We have to identify whether the reaction for the detonation of nitroglycerin is…

Q: Three moles of N2(g), originally at 0.25 atm pressure, are mixed isothermally with 5 moles of H2(g),…

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Q: For a  process to be  spontaneous  (ΔG must be negative, ΔS must be positive, ΔH must be negative,…

A: Spontaneous reaction- A reaction said to be a spontaneous when decrease in enthalpy and increase in…

Q: A quantity of 0.5 mol of an ideal gas initially at 15.6◦C is expanded from 1.7 L to 7.9 L. Calculate…

A: To solve this problem, we can use the ideal gas law and thermodynamic equations. Let's calculate the…

Q: he sum of the entropy changes of the system and the surroundings (∆SSYS + ∆SSURR) are:

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Q: What is the ΔS of 5 moles CO2 (g) heated at constant volume from 100 °C to 400 °C? The Cp,m of CO2…

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Q: Choose the one that would be expected to have the higher standard molar entropy at 25C: A) CH3OH(g)…

A: Entropy measure the degree of disorderness of a system, disorderness increase entropy also increase…

Q: Determine the entropy change for the reaction given Enter your answer in J/K. CO₂(g) + 2NH3(g) →…

A: Entropy of CO2(g) = 213.74 J/molKEntropy of H2O(l) = 69.91 J/molK Entropy of H2O (aq) = 188.83…

Q: Which of the following is the best example of a positive change in entropy? O A) The mixing of two…

A: Entropy is the degree of randomness or disorder. If randomness increase then entropy will also…

Q: Does someone know the standard entropy values in J/K for H2(g), F2(g) and HF(g)?

A: The standard entropy values of hydrogen and fluorine gases are 130.6 J/Kmol and 202.8 J/Kmol…

Q: Which of the following lists the substances in order of increasıng standard molar entro Periodic…

A: First we have to know about entropy and standard molar entopy.   Entropy : It is the degree of…

Q: Which of the following substances exhibits the greatest standard molar entropy, So? Select one: H2…

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Q: Consider the reaction 6CO2(g) + 6H2O(l)C6H12O6 + 6O2(g) for which H° = 2.801×103 kJ and S° =…

A: The given reaction is, 6CO2(g) + 6H2O(l) → C6H12O6 + 6O2(g) Given that: H° = 2.801×103 kJ  S° =…

Q: Predict the sign of delta H and delta S for the reaction X(s) = X(g) and state under what conditions…

A: As solid  X is transformed into gaseous species. thus in this reaction entropy increases as the…

Q: Calculate the change in entropy that occurs in the system when 1.00 mole of isopropyl alcohol…

A: Given data Number of mole of isopropyl alcohol : n = 1.00 mole Boiling point of isopropyl alcohol :…

Q: A reaction has values ΔS = 78.3 J K-1 mol-1 and ΔH = 46.5 kJ mol-1. At what temperature (in °C) will…

A: For a reaction becoming spontaneous the value of ∆G must be negative.

Q: Calculate the entropy of the following reaction using the data in the table. 1A +1B + 2C → 3D + 3E…

A: The difference between the standard entropy of formation of product to the standard entropy of…

Q: Which of the following transformations represent an increase in the entropy of the system. Choose…

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Q: Use the information provided in the table below to calculate the change in entropy of the universe…

A: To solve this problem  we have to first calculate  ∆Ssys and ∆Ssurr   As we know that  ∆Suniv  =…

Q: Arrange the gases: CF4, CH4 and C₂F6 in order of increasing standard entropy (Sº) at 298 K. OCH₂…

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Q: The standard molar entropy of silver chloride (AgCl) is 96.2 J/(mol x K). What is the entropy of…

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Q: Predict the sign of the entropy change (positive or negative) for the following process. Na…

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

Q: Choose the compound with the smallest standard molar entropy, S° (298.15 K). A) H2O (l) B) H2O (g)…

A: Entropy is the measure of disorder of molecules in a system. More the randomness, more will be the…

Q: which of the following reaction leads to an increase in entropy of the system? a) NH4Cl(s) ->…

A: * Answer : Correct option is which entropy increases __ a) NH4Cl(s) -----> HCl(g) + NH3(g)   *…

Q: What is the change in entropy when one mole of calcite (CaCO3) decomposes at 298.2 K to CaO(s) and…

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Q: Calculate how entropy of 100 g of water changes when it is heated(under reversible conditions)from…

A: Here, since 00C is given for temperature, I consider it as 0oC and 1000C as 100oC That is…

Q: 3. True or false: the standard entropy of H₂(g) at 298.15 K is zero. (a) True (b) False

A: Standard entropy of a substance is the entropy of 1mole of the substance at standard conditions (…

Q: Calculate the ΔGo for the following equation.   Sb4O6(s) + 6C(graphite) ⟶ 4Sb(s) + 6CO(g) Group…

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Q: Indicate which of the following has the largest standard molar entropy (Sºᵒ). O NH3(1) O CH4(8) O…

A: Entropy is randomness.More the randomness, more the entropy.Randomness increases in this order:Solid…

Q: Indicate which of the following has the largest standard molar entropy (So). Justify your response.…

A: 5 compounds are given below with mention of their state. We have to find the compound which has the…

Q: Determine the entropy of * NH₂Cl(s) → NH3(g) + HCl(g) > positive negative

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Q: Derive an expression for ΔS for an isothermal pressure change of an ideal gas. Then, calculate ΔS…

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Q: I use dry ice (solid CO2 which is -78.5 ℃) in my lab to cool reactions. If I leave a chuck of dry…

A: The heat capacity of dye ice at 25.0 oC is 0.846 J/goC. The total required heat to sublimate and…

Q: What is the entropy change of a gas in J/K (to 2 decimal points) when one mole of a perfect gas…

A: Given that -  Number of moles of gas = 1  Initial volume of gas = 0.36 m3  Final volume of gas =…

Q: 5. Which of the following substances has the greatest standard molar entropy at 25 °C? a) Na (s) b)…

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Q: Which of the following compounds has the highest molar entropy (all are gases): NO, N2O4, NO2, N2?…

A: Entropy is the measure of randomness.

Q: Using the given reactions and the given molar entropy of compounds, determine whether the reaction…

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Q: What is the entropy of the process when 0.6831 moles of N 2 gas are compressed from 54.42 L to 28.11…

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Q: ion Consider the reaction CO₂(g) + H₂O(1)→ H₂CO(g) + O₂(g) for which AH° = 563.3 kJ and AS° = 140.5…

A: The question is based on the concept of chemical thermodynamics. we need to calculate entropy change…

Q: Which process(es) listed below occur with an increase in entropy? (i) Water in the ocean warms up…

A: Entropy is a measure of the randomness of the molecules of a substance. For a spontaneous reaction…

Q: Acetone, CH; COCH3 , boils at 56°C. The heat of vaporization of acetone at this temperature is 29.1…

A: Given: Boiling point temperature= 56 C=329.15 K Heat of vaporization= 29.1 kJ/mol

Q: (Q66). What is the change in entropy (in J/K) when 16.9 g of liquid hexane boils at its normal…

A: we need to calculate the change in entropy for hexane

Q: Which substance would have the greatest standard molar entropy? A)H2O (l) B)Al (s) C)NO (g) D)He…

A: Gases have highest entropy and amongst gases molecular gases and heavier gases have more standard…