Suppose a compound could point in any of four directions in the solid and still have the same energy. What would be the total entropy (J/K) of orientation if 8.8570e+18 molecules are randomly distributed? Key Concept:Boltzmann's relationship, S = klnW, is a probability equation that relates the entropy to the number of ways an atom or molecule can orient itself. This is the entropy of one particle. You may have to multiply by the number of atoms (molecules) to figure out the entropy of a larger number of particles.

Q: Chlorofluorocarbons (CFCs) are no longer used as refrigerants because they destroy the ozone…

A: Boiling point, standard enthalpy of vaporization and standard entropy of vaporization are related by…

Q: 12. For mercury, the enthalpy of vaporization is 58.51 kJ/mol and the entropy of vaporization is…

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Q: The heat of melting of ice at 1 atmosphere pressure and 0°C is 1.4363 kcal/mol. The volume of ice is…

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Q: The entropy change ΔS for a phase transition equals ΔH/T, where ΔH is the enthalpy change. Why is it…

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Q: The molar enthalpy of fusion of solid magnesium is 8.95 kJ mol-1, and the molar entropy of fusion is…

A: a) Since the Gibbs free energy change = ΔG is given by  ΔG = ΔH - TΔS ΔH = molar enthalpy of fusion…

Q: The enthalpy for a certain process is 121.9 kJ/mol and the entropy for the process is 454.8 J/K.  At…

A: We are given that, ∆H = 121.9 KJ/mol = 121.9 × 10^3 J/mol  ∆S = 454.8 J/K

Q: Estimate the boiling point of carbon tetrachloride given the following thermodynamic parameters.…

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Q: Which statement is generally true about the standard molar entropy? It is greater for a a solid than…

A: Entropy, is the measure of randomness of molecules . Since , gas molecules are more random so they…

Q: Indicate whether each statement is true or false. (a) Thethird law of thermodynamics says that the…

A: The third law of thermodynamics states that entropy of a perfect crystal at absolute zero is zero.…

Q: A system contains 859 particles and has 4.43 x 1025 possible configurations. What is the entropy of…

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Q: Determine ∆S for the phase change of 6.15 moles of water from solid to liquid at 0.0 °C. (∆H = 6.01…

A: • Note:- As per bartleby guidelines, I need to solve the first question in case of multiple…

Q: Water vapor can be produced in two different processes as represented below. 1. In terms of concept…

A: Entropy is defined as Randomness or disorder. solid structure is more arranged than liquid or we can…

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: In the first stage of the industrial production of nitric acid, ammonia reacts at high temperature…

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Q: Calculate the change in entropy resulting from mixing the following gases (1.5 mole of A gas + 2mole…

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Q: Would each of the following changes increase, decrease, orhave no effect on the number of…

A: Given changes, (a) increase in temperature (b) decrease in volume (c) change of state from liquid to…

Q: Given that ΔHo(fusion) of water is 6025 J/mol, Cp,m(ice) = 37.7 J K–1 mol–1, and Cp,m(water,liquid)…

A: The Gibbs free energy is defined as the maximum work which can be produced by a system at constant…

Q: 1. The heat capacity at 1 atm. pressure of solid magnesium in the temperature range from 0 °C to 560…

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Q: The entropy of a crystal containing one mole of identical molecules was measured to be 9.134 J/K at…

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Q: The heat capacity at 1 atm. pressure of solid magnesium in the temperature range from 0°C to 560 °C,…

A: Since the units of T to be substituted in the Cp equation is not mentioned. Hence i'm assuming it to…

Q: Suppose a compound could point in any of three directions in the solid and still have the same…

A: • This problem is based upon the third law of thermodynamics.  • This law can be given as, Total…

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: The heat capacity, Cp, of liquid carbon disulfide is a relatively constant 78 J/(mol K). However,…

A: Solution In this question we use Third Law of Thermodynamics it tells us that as T → 0 K, S → 0.…

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: What is the change in entropy in a large mass of water at 50 °C when it receives 155 kJ of energy in…

A: Answer is explained below. Given that, the change is reversible and the mass of water is large…

Q: Consider a 1.2 mol block of iron with a specific heat capacity of 0.44 J/g°C. The atomic mass of Fe…

A: The amount of heat required to raise the temperature of the sample is given by: q =m c∆Tq is the…

Q: The heat capacity at 1 atm. pressure of solid magnesium in the temperature range from 0 oC to 560…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: Which statements are true? O ASsys = -ASurr for ice melting at room temperature. O All other…

A: The correct statements are:

Q: Calculate the change of the entropy of the system in J/K for the following phase transition:…

A: Given-> Weight of pentanol = 155.1 gm Molar mass of pentanol = 88.15 g/mole Enthalpy of…

Q: Determine the change in entropy for 1.0 mole of an ideal gas originally confined to one- half of a…

A: At constant temperature, change in entropy is calculated using formula :

Q: Question attached

A: Given , mass of ice =100g  100 g H2O(s) at 0°C →∆S10  H2O (l) at 0 °C →∆S20 H2O (l) at 100°C →∆S30…

Q: At 25 ̊C, the rhombic form of sulfur is the most stable form, which undergoes a transition at 95 ̊C…

A: Temperature = 25oC = 298.15 K = T ΔH = 0.402 kJ mol-1 = 402 J mol-1 Use this relationship to find ΔS…

Q: Calculate the molar heat capacity (Cpm ) of Magnesium chloride if the change in entropy is 0.264 J/K…

A: Assuming that the molar heat capacity (Cpm ) of  Magnesium chloride is constant over temperature…

Q: A certain substance has an enthalpy of fusion of 6.65 kJ/mol and an entropy of fusion of 22.8…

A: The entropy of fusion of the solid is given by: Where ∆S = change in entropy = 22.8 J/mol/K ∆H =…

Q: The molar heats of fusion and vaporization of ethanol are 7.61 and 26.0 kJ/mol, respectively.…

A: The enthalpy change involved in the process of conversion of liquid into vapor is known as enthalpy…

Q: 2.1. For the isothermal expansion of a gas into a vacuum, (a) Is this a spontaneous process? (b)…

A: a. During this constant temperature or isothermal, expansion into a vacuum, the gas does no work (w…

Q: Titanium has a normal melting point of 1668 °C and a molar enthalpy of fusion of 14.15 kJ mol-1 .…

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Q: The enthalpy for a certain process is 146.4 kJ/mol and the entropy for the process is 463.6 J/K.  At…

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Q: Calculate the change of the entropy of the system in J/K for the following phase transition:…

A: Given data -  Mass of methanol = 64.1 g  Molar mass of methanol = 32.04 gmol-1   Enthalpy of…

Q: At 25˚C, the rhombic form of sulfur is the most stable form, which undergoes a transition at 95˚C to…

A: Temperature = 25oC = 298.15 K = TΔH = 0.402 kJ mol-1 = 402 J mol-1Use this relationship to find…

Q: A particular container holds 3.77 mol of neon gas. The volume of this container can be altered by…

A: Given: Moles of Neon, n =3.77 mol Volume: V1=8.60, V2=12.20 Temperature: T1=303, T2=345 K The molar…

Q: A certain substance has an enthalpy of fusion of 6.12 kJ/mol and an entropy of fusion of 22.3…

A: Given, a certain substance has an enthalpy of fusion and entropy of fusion as follows,∆Hfusion =6.12…

Q: How much heat is removed from the condensation of water at 25°C? Given the standard entropy of the…

A: In this question we need to find out latent heat of vaporization. Let us solve this step by step.

Q: For a particular chemical reaction H = 6.8 kJ and S = –29 J/K. Under what temperature condition is…

A: The Gibbs free energy change for a reaction is negative for a spontaneous reaction and is zero for a…

Q: Which of the following statements is/are true regarding the Third Law of Thermodynamics?  I) So of…

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Q: Which of the following describes the second law of thermodynamics? deltaS(system) + deltaS…

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Q: The second law of thermodynamics states that A. in a spontaneous process, the entropy of the…

A: First law of thermodynamics is concerned with the conservation of energy while the second law of…

Q: the molar entropy of ammonia, NH_3 (g) at 25deg cel is 192.5 J/mol*k. Estimate the number of micro…

A: The standard molar entropy of ammonia gas is 192.5 J/mol.K. One mol of ammonia gas contains 6.022 x…