Calculate the boiling point of carbon tetrachloride if the standard entropy and enthalpy of vaporiza- tion are +92.82 J K−1 mol−1 and +32.54 kJ mol−1, respectively.

Q: Why is the standard entropy of a substance in the gas state greater than its standard entropy in the…

A: The intermolecular force between gas molecules is less than the intermolecular force between liquid…

Q: Indicate whether each process produces an increase or decrease in the entropy of the system

A: Given :-  (a) CO2(s) —> CO2(g) (b) CaO (s) + CO2 (g) —> CaCO3 (s)  (c) HCl (g) + NH3 (g) —>…

Q: Which one of the following processes produces a decrease in the entropy of the system? melting solid…

A: The solid substances have the minimum disorder, hence the entropy of the solid is minimum. The…

Q: At temperature T0, substance X in its A form (A can be liquid, solid or vapor) has same chemical…

A:

Q: (a) Which of the following corresponds to additional non-expansion work?     Entropy…

A: a) the maximum non-expansion work at constant temperature and pressure is

Q: Define importance of second law of thermodynamics and knowing entropy

A: There are four laws of thermodynamics such as zeroth law of thermodynamics, 1st law of…

Q: Calculate the entropy changes for the following processes: Melting of one mole of tin at its melting…

A: Entropy change of any process at constant temperature and pressure is given by  ΔS = Q / T where ΔS…

Q: Explain how the entropy of a system is related to the number ofpossible microstates?

A: To find: The relation between the entropy and number of possible microstates

Q: Which substance would have the smallest standard molar entropy? NO2(g) N2(1) N2(g) NO2(1)

A: Entropy is determined by checking the state of phase . In which state material is available .

Q: 8. Predict the sign of the change in entropy for the condensation of steam to liquid water. 9.…

A: Entropy means randomness. The higher the randomness of the system, the higher will be its entropy.…

Q: Calculate the change in entropy when one mole of metallic aluminum is heated at one bar pressure…

A: Enthalpy of fusion for 1 mole of Al is 10699.45 J/molInitial temperature = 25 degC = 298.15K KFinal…

Q: What is the entropy when a system goes from 4 microstates to 5 microstates?

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Q: What is the change in entropy when 0.200 mol of potassium freezes at 63.7°C (H(fus)=2.39 kJ/mol)?

A: Entropy is a state function and it gives a measure of randomness in a system.Change in entropy is…

Q: Calculate the change in entropy when one mole of metallic aluminum is heated at one bar pressure…

A: Enthalpy of fusion for 1 mole of Al is 10699.45 J/molInitial temperature = 25 degC = 298.15K KFinal…

Q: An ice cube is placed in an empty 80 g aluminum cup. the ice cube has an initial temperature of 0…

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

Q: Calculate the change in entropy that occurs in the system when 45.8 g of diethyl ether (C4H10O)…

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Q: Predict whether the entropy or disorderliness of the system where the following changes occur is…

A: Answer: Entropy of the system is measure of its disorderliness and as we know gases are more…

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 would result in a decrease in the system's entropy?  (Select all that apply.)…

A: Entropy of a system is measure of randomness in it.  More the randomness or less the system is…

Q: As a system goes from state A to state B, its entropy decreases. What can you say about the number…

A: Given: Here there is a decrease when the system goes from state A to state B. The objective is to…

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: Determine the entropy change for the combustion of gaseous propane, C3H8, under standard state…

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…

Q: Why does the entropy of a gas increase when it expands into a vacuum?

A: Entropy of a system is the measure of the randomness or dis-ordered ness of the system. The entropy…

Q: standard entropy

A:

Q: Create a system that shows the third law of thermodynamics and how it relates to the concept of…

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Q: Which one of the following choices of gaseous molecules is rank ordered correctly from lowest…

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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: Which of the following involve an increase in the entropy of the system?     Condensation of…

A: Entropy is the degree of randomness or disorderliness of atoms of molecules of the system. As…

Q: The entropy change for a reaction is zero.  If the delta H is -10.0 kJ/mol, calculate Keq using the…

A:

Q: Which statement is correct? Dissolving table salt (NaCI) in water leads to a decrease in entropy…

A: Correct option is (C)

Q: Identify the change in phyical state that is a decrease in entropy.   water boiling   ice melting…

A: Entropy is the measurement of randomness of any substance, if randomness decreases entropy…

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: HCN has a enthalpy of vaporization of 20 kJ/mol. The gas has a molar entropy of 201.7 J…

A: Below attached file showing the details answer . All the best . The normal boiling point of HCN is…

Q: How does the standard entropy of a substance depend on its molar mass? On its molecular complexity?

A: Entropy is a thermodynamic property, which is the measure of randomness of a system. Entropy of the…

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

A:

Q: Are the earth and sun in thermal equilibrium? Are there entropy changes associated with the…

A: 1. The earth and the Sun are not in the thermal equilibrium. As sun is much hotter or is having…

Q: calculate the standard reaction entropy of the following chemical reaction:

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Q: It is the study of the heat or energy involved in physical and chemical changes. Thermodynamics…

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Q: The amount of energy available in a reaction to do work is known as: a. Entropy b. Enthalpy c.…

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Q: Calculate the standard entropy of formation of liquid ethanol at 25°C. [S°(Cgraphite) =…

A: If the standard entropies of formation of each substance are known, then the standard entropy change…

Q: Calculate the change in entropy associated with the Haber process to produce ammonia from nitrogen…

A: Given,  S°(NH3) = 192.5 J/mol-K S°(N2) = 191.5 J/mol-K S°(H2) = 130.6 J/mol-K □Srxn = [Total entropy…

Q: Explain why changes in both enthalpy and entropy determine the spontaneity of a process.

A:

Q: decreases after the occurrence of a spontaneous change. b. The entropy of any substance at…

A: According to thermodynamics, the entropy of substance measures the randomness or disorder of a…

Q: How are the states of matter arranged in increasing entropy of the system?     Solid < Gas <…

A: Entropy is the degree of randomness or disorder and gases have more disorder because particles can…

Q: Which of the following best describes the property of entropy? a measure of the disorder of the…

A: Here, among the given options, we have to find which one describes the property of entropy.

Q: TRUE OR FALSE Entropy is a measure of disorder in a physical or chemical system

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

Q: Choose the correct statement Entropy is the measurement of heat dispersal and total entropy…

A: Answer  According second law of thermodynamics measurement of disorder…

Q: Indicate whether each statement is true or false.The entropy of the system must increase in any…

A: The disorderliness occurring in the molecules of a system is called entropy of a system. Entropy of…

Q: 2.0 mol of hydrogen gas and 3.0 mol of argon gas are mixed at the same pressure and temperature,…

A: To determine the change in entropy and change in molar Gibbs free energy at 298.15K when 2.0 mol of…