If 25.0 gg of the metal gallium melts in your hand, what is the change in entropy of the gallium in this process?

Q: 1)Which substance has the higher entropy?a) dry ice (solid CO2) at –78 OC or CO2(g) at 0 OCb) liquid…

A: 1. CO2(g) at 0oC has higher entropy than dry ice at -78oC, because gas has higher entropy due to its…

Q: With two dice, each numbered 1–6, there are two possible ways to roll a 3. and Thus, for the outcome…

A: Answer is explained below.

Q: Calculate the change in entropy that occurs in the system when 47.5 g of acetone (C3H6O) vaporizes…

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Q: The heat of vaporization of carbon disulfide, CS2, at 25°C is 27.2 kJ/mol. What is the entropy…

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Q: For ammonia (NH3), the enthalpy of fusion is 5.65 kJ/mol and the entropy of fusion is 28.9 J/K·mol.…

A: Answer- Enthalpy- Enthalpy is the amount of internal energy contained in a compound whereas entropy…

Q: Which one of the following processes would produce a decrease in the entropy of the system? a.…

A: We have given that  Which one of the following processes would produce a decrease in the entropy of…

Q: Ice melts at 273 K. The enthalpy of fusion of water is 6.35 KJ/mol. The entropy of melting 1 mole of…

A: Melting point = 273 K Enthalpy of fusion (∆Hf) = 6.35 KJ/mole = 6350 J/mol (1 KJ = 1000 J) Number of…

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

A: Please find your solution below : Entropy of fusion is defined as the entropy change when one mole…

Q: Consider a solution consisting of 1.75 mol water and 0.97 mol ethanol. What is the entropy of…

A: Answer:- 14.7 J/k

Q: Chloroform chci3 is a solvent and has been used as an anesthetic the heat of vaporization of…

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Q: Part A An object at 20∘C absorbs 25.0 J of heat. What is the change in entropy ΔS of the object?

A: Since you have posted multiple questions as per guidelines we can answer only one per session . if…

Q: For each of the pairs of substances listed below, CIRCLE the substance that you expect to have the…

A: Entropy of the substance measure the degree of randomness. Entropy is represent by symbol S. Entropy…

Q: 4. Entropy can be represented mathematically by magnitude a. AS = -1 b. AS # 0 c. AS = +1

A: Gibbs Free energy (∆G) =∆H - T∆S where ∆H = Enthalpy change             T = Temperature           ∆S…

Q: In which of the following reactions is entropy increasing? A. CO(g)+H2O(g)->H2(g)+CO2(g) B.…

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Q: For each process predict the sign of the entropy change taking place. A. CaCO3(s) → CaO(s) + CO2(g)…

A: Entropy(S) is defined as the randomness or disorderness of the system. When entropy increases, then…

Q: Identify whether the entropy change is positive, negative, or equal to zero, for each process. Part…

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Q: Octane is typical of the components of gasoline. Estimate  (a) the entropy of vaporization of…

A: Latent heat of vaporization is physical property defines as the heat required to change the 1 mole…

Q: entropy change

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Q: Calculate the change in entropy associated with the production of ammonia from nitrogen and hydrogen…

A: Solution:     Change in entropy is the measure of degree of randomness or disorder in the system. It…

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: You have 212 g of H›O (D) at 84.1°C and at a constant pressure of 1.01 kPa. Now you cool it down to…

A: Entropy is the molecular randomness of a system. The lower the entropy, the more ordered is the…

Q: Calculate the change in entropy of 1.0 kg of lead when it cools from 500 °C to 100 °C. Take Cp,m =…

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Q: For each of the following reactions, indicate whether you would expect the entropy of the system to…

A: As the number of gaseous moles increases on the product side the entropy is said to be increasing…

Q: D. PCI, (s) → PCI,(1) + Cl, (g) The entropy, ASixn, mol Angas decreases. increases. has little or no…

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Q: Which of the following reactions results in an increase in the entropy of the system? A) CH₄(g) +…

A: When degree of randomness of products is greater than reactants they result in an increase in…

Q: The normal boiling point of C2Cl3F3 is 47.6 °C and its molar enthalpy of vaporization is 27.49…

A: The change in entropy in the system in J/K when 19.4 grams of C2Cl3F3 vaporizes to a gas at the…

Q: At 25 oC, which of the following substances has the least molar entropy? A. N 2(g) B. C 6H 6(l) C.…

A: Given,        Four substances are given  -                                    A. N2 (g)  B. C6H6 (l)…

Q: With two dice, each numbered 1–6, there are two possible ways to roll a 3. and Thus, for the outcome…

A: The possible ways to roll a 4 is given below

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

A: The substance which has higher entropy has to be predicted.

Q: What is the molar entropy of pure oxygen gas at 25 °C?     Greater than zero     Equal to zero…

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Q: Describe the spontaneity and solve entropy of the processes. Sublimation of naphthalene balls as…

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Q: 2Hg(l)+O2(g)—>2HgO(s). Delta H^O =-181.4 kJ. If the mass of 91.3 Hg is consumed in an excess O2,…

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Q: What is the value of the entropy of lithium bromide solid at 25℃? Select one: a. – 384 kJ/mol b.…

A: Entropy denotes the randomness of particles

Q: Sucrose, or table sugar, has two molecular forms: linear and ring. If a bag of sugar contains, 5.87…

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Q: With two dice, each numbered 1–6, there are two possible ways to roll a 3. and Thus, for the outcome…

A: Solution Entropy is a state function that is often mistakenly referred to as the ‘state of…

Q: What is the entropy when a system goes from 4 microstates to 5 microstates? 3.08 x 10-24 O -3.08 x…

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Q: A container with 53 g of a certain liquid (c = 4158 J/kg · °C, Lv=2204 kJ/kg) at 21 °C is heated up…

A: Answer: Entropy of the system will change in two steps: 1. When the liquid gets energy and its…

Q: Which of the following sets of systems are in order of increasing entropy? A B C H₂(g), HBrO (g),…

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Q: Which of the following substances has the lowest absolute molar entropy at 25°C?   Group of answer…

A: The substances given are HCl(l), HCl (g), HCl (s), HBr (g) and HI (g).

Q: True or false. a. Entropy opposes food oils from dissolving into water. b. Entropy always favors…

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

Q: 1. Which of the following will have the greatest standard molar entropy (S°)? a. Hea b. H2Om c. NH3)…

A: Here we have to determine entropy change in the following given cases.

Q: Entropy of a system would decrease when a substance goes through 1. A melting evaporation C boiling…

A: The correct option is (d) i.e. condensation. Melting leads to conversion of solid into liquid due to…

Q: The heat of vaporization of carbon disulfide, CS2, at 25°C is 27.2 kJ/mol. What is the entropy…

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Q: Which reaction produces a decrease in the entropy of the system? A) 4 NH3(g) +  5 O2 (g)   →  4 NO…

A: Given reactions A) 4 NH3(g) +  5 O2 (g)   →  4 NO (g)  +  6 H2O (g) B) Na (s) + 1/2 Cl2 (g)  →  NaCl…

Q: For each of the following reactions, predict if the entropy of the system will increase, decrease,…

A: Entropy :-  It is a thermodynamic property which is a measure of randomness or disorderness present…

Q: Calculate the change in entropy that occurs in the system when 21.0 g of diethyl ether condenses…

A: Entropy is the measurement of the randomness of the particles of the difference systems. Gases have…

Q: You are boiling 2 liters of water on the stove. You forget about it and return later to find that…

A: The Physical state of a substance converted to another substance results in change in the entropy,…

Q: What is the entropy when 1.13 moles of CCl₂F₂ vaporize at 25°C? [∆H(vap) = 17.2 kJ/mol at 25°C]

A: The moles of CCl2F2 is = 1.13 moles The temperature of vaporization is = 25oC = 25oC+273.15 = 298.15…