Calculate the entropy change, AS° for the following processes, a. vaporization of ethyl alcohol, C,H,OH at its boiling point 78.3°C (heat of vaporization of ethyl alcohol is 39.3 kJ/mol) b. melting of ice at 0°C (heat of fusion of ice is 6.02 kJ/mol) c. freezing of 20.0 g liquid metal mercury at -38.9°C ( molar enthalpy of fusion of mercury is 2.33 kJ/mol)

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: Chloroform, CHCl3, is a solvent and has been used as an anesthetic. The heat of vaporization of…

A: Given: No. of Moles=2.91 mol Boiling point=61.2+237.15K=334.35K The heat of vaporization= 29.6…

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: 9. Argon (Ar) amounting to 80 grammes expands isobarically (P = const) %3D until its volume doubles.…

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Q: The ΔG for the freezing of H2O(l ) at -10 °C is -210 J/mol, and the heat of fusion of ice at this…

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Q: 6. Calculate AS°univ, and state whether the reaction occurs spontaneously at this temperature.…

A: We only answer one question from the multiple questions with sub-parts. Please resubmit the question…

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: What is the entropy change when 0.88 moles of CHCI: vaporizes at 61.0 °C? [AH(vap) = 29.6 kJ/mol at…

A: Number of moles = 0.88 moles  ∆H(vap) = 29.6 KJ/mol  Temperature = 61.0 °C  Entropy change = ?

Q: The AG for the freezing of H20(1) at -10 °C is -210J/mol, and the heat of fusion of ice at this…

A: Entropy change of the universe : ∆Suniverse =-∆GSystemT  ∆Suniverse = -(-210)(-10 + 273.13)=…

Q: Calculate AS° for the following reactions, using standard entropy values from the table below. a.…

A: Given :-  NH4Cl(s) → NH3(g) + HCl(g)  Species         S° J/(mol-K)  NH4Cl(s)         94.86 NH3(g)…

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: Determine the entropy change, in J/mol K, for the vaporization of 75.0 g of liquid O2 into gaseous…

A: Temperature at which liquid O2 converts into gaseous O2 is = - 183°C∆Hvaporization for O2 = 6.820…

Q: 30. Calculate the entropy change for formation of exactly 1 mol of each of these gaseous…

A: Interpretation - To calculate the entropy change for formation of exactly 1 mol of each of these…

Q: Steam is condensed at 100°C and the water is cooled to 0 °C and frozen to ice. What is the molar…

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Q: Which substance has the higher entropy?(a) dry ice (solid CO2) at -78°C or CO2(g) at 0 °C(b) liquid…

A: Entropy is defined as the degree of randomness or disorderliness of the System.   if the molecules…

Q: Chloroform, CHCl3, is a solvent and has been used as an anesthetic. The heat of vaporization of…

A:

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: Which of the following has the greatest entropy- (a) H2O (g) at 100 °C (b) H2O (€) at 100 °C (c) H2O…

A: Entropy (∆S°) is generally the randomness or disorder present in the molecule. So, the amount of ∆S°…

Q: Use the following information to find entropy of the vaporization of Sn (tin). The boiling point…

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Q: 5) Find the molar entropy of vaporization (in J/(K-mol)) for a certain substance given that to…

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Q: b. Thermodynamics Circle the correct choice or fill in the blanks in each of the following: f. Which…

A: All the given problems are related to the chemical thermodynamics. Entropy is a measure of…

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: Entropy Change Suppose we have 1.50kg of water at a temperature of 0 degree Celsius. We put the…

A: Mass of water = 1.50kg or 1500 g  Temperature = 0°C or 273.15 K

Q: 10. What is the correct equation in solving for the entropy of a chemical reaction?  A. Σentropy of…

A: Entropy of a system can be defined as the degree of disorder in system or degree of randomness in…

Q: Chloroform, CHCI3, is a solvent and has been used as an anesthetic. The heat of vaporization of…

A: Given : Moles of CHCl3 evaporated = 9.80 mol. Heat of vaporization of CHCl3, ΔHvap = 29.6 KJ/mol =…

Q: What is the entropy change when 0.17 moles of CHCI, vaporizes at 61.0 °C? [AH(vap) = 29.6 kJ/mol at…

A: When a liquid changes into the gas at its boiling point the entropy of the system increases.

Q: Calculate the entropy change when graphite burns insufficient supply of oxygen as shown in the…

A: Given data contains, S° of C graphite (s) is 5.7 J/mol K. S° of O2 (g) is 205 J/mol K. S° of CO2 (g)…

Q: C. C,H,(g) + 30,(g) · 2 CO,(g) + 2 H,0(1) The entropy, ASxn, mol Angas increases. decreases. has…

A: Calculate change in mole and sign of entropy --

Q: Whatto do: Determine whether the entropy change is greateror lesserthan zero for each of the…

A: Answer: Entropy is actually tells us about, in how many different states a system can be. More…

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

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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: 16. Diethyl ether, (C,H.),O, was once used as an anesthetic. Calculate the entropy change, AS, for…

A:

Q: Which system has the greatest entropy? (a) 1 mol of H2(g)at STP (b) 1 mol of H2(g) at 100 °C and 0.5…

A: Entropy is also a measure of the molecular disorder, or randomness, of a system. The entropy of an…

Q: B. Entropy 5. Which of the following are A. Entropy and B. Entropy and

A:

Q: Which of the following is incorrect about entropy of a substance? O Slig > 0 Sgas = 0 O Sliquid >…

A: Entropy: It is the measure of disorder/randomness of a system. Order of entropy: Gas> liquid >…

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: What is the free energy change for the process shown here under the specified conditions? T = 25…

A: We know that ∆G = ∆G° + RTlnQ ..(1) Here, Q = pH2^3*pN2^1/pNH3^2 = (0.250)^3(0.870)/(12.9)^2 =…

Q: Calculate the entropy change when graphite burns in sufficient supply of oxygen as shown in the…

A: Cgraphite(s) + O2(g) ------> CO2(g)

Q: Find ΔS° for the combustion of ammonia to nitrogen diox-ide and water vapor. Is the sign of ΔS° as…

A: The standard value of entropy is not given. So the experimental data of standard entropy has been…

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

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Q: Which substance has the higher entropy? Explain your answer. a. Dry ice (solid CO,) at -78°C or…

A: Solution-   Suniv > 0, where Suniv is the change in the universe's entropy. Entropy is a measure…

Q: 2 ΔΗ for the vaporization of benzene is 31.0 kJ/mol, and the boiling point (at atm of pressure) is…

A: We have been given that

Q: Arrange the following substances at room temperature in order of increasing entropy: CH4(g), Ar(g),…

A: So we'll arrange  the following substances at room temperature in order of increasing entropy:…

Q: Which of the following has the lowest entropy? a. none - all of these have the same entropy b. H2O…

A: Entropy of the system is the measure of randomness and disorder in the system, this concept was…

Q: Suppose we have one mole each of F2(g), C2H6), C8H16(s), and Ar(). What is the correct order of…

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Q: Consider the following reaction: N2(g) + 3H2(g) ⇄ 2NH3(g) A) Determine ∆Hrxn˚ and ∆Srxn˚ using the…

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Q: Chloroform, CHC13 , is a solvent and has been used as an anesthetic. The heat of vaporization of…

A: The entropy change (∆S) is related to heat of vaporization (∆Hvap) by following equation: Here, the…

Q: Arrange the entropy for 1 mole of H2O in ascending order at the following conditions C1. (S, 0°C, 1…

A: Entropy of gas is greater than entropy of liquid and entropy of liquid is greater than entropy of…