b) Further predict the sign of change in entropy with proper explanation for the following cases.   (i) Isothermal expansion of a perfect gas (ii) Cleaning the room with a vacuum cleaner

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: Calculate the entropy of vaporization for 3 moles of water at 25 °C given that Cp, m (H2O(l)) =…

A:

Q: Which of the following combinations of entropy changes for a spontaneous process are mathematically…

A: A multiple choice question based on chemical thermodynamics, which is to be accomplished.

Q: Two objects A and B are initially at temperatures TA-350 K a two objects. If over a short interval…

A: According to the question, two objects A and B are initially at the temperature Ta = 350 K and Tb =…

Q: m the least to greatest in terms of standard entropy (1 a

A:

Q: Further predict the sign of change in entropy with proper explanation for the following cases.  (i)…

A: The extent of disturbance/randomness created by all molecules within a system is recognized as…

Q: AS ΔΗ- ΔΗ: ↑

A: Entropy is the term defined as irregularities of the atoms if the irregularities increase then the…

Q: A particular reaction is spontaneous at 450 K. The enthalpy change for the reaction is +34.5 kJ.…

A: Given : Enthalpy change of reaction, ΔH = +34.5 KJ = 34500 J…

Q: The entropy of CO at.16 absolute zero is

A: Solution Entropy, the live of a system’s thermal energy per unit temperature that's unprocurable for…

Q: In a particular spontaneous process, the entropy of the system decreases. What can you conclude…

A: Spontaneous process: In thermodynamical terms, a spontaneous process is a process in which…

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: combustion reaction of propane (C3H8), determine ΔG° in kj mol-1 and predict if the reaction is…

A: Combustion equation of C3H8 - C3H8(g) + 5O2(g) ----> 3CO2(g) + 4H2O(g) ->Value may differ…

Q: The heat of fusion for water is 333.6 J/g. What is the entropy change for the universe when 1.00 L…

A:

Q: Calculate the standard state entropy of formation for H2O gas and of H2O liquid. Why is the entropy…

A: Solution: Standard entropy values at 25 deg. C for reference

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: How can a system or chemical reaction have a negative entropy change and be spontaneous?

A: Chemical reaction:

Q: List the ways in which we can interpret entropy at the molecular level?

A: The ways in which we can interpret entropy at the molecular level has to be given,

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

A:

Q: How can you calculate the standard entropy change for a reaction from tables of standard entropies?

A: The standard entropy change for a reaction from tables of standard entropies can be calculated by…

Q: 1. Calculate the entropy change when 2.50 mole of sulphur dioxide gas are heated from 25 to 70 °C at…

A: S is a symbol for entropy . It is a state function.  It is a measure of  randomness of system .…

Q: How does entropy predict the spontaneity of any process in the environment?

A: The measurement of the disorderedness of the system is defined as entropy. For example; the melting…

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

A:

Q: Predict the sign of entropy. Write P if it is positive and N for ative. Write your answer on the…

A: Entropy:  Degree of randomness (or) disorderness is said to be entropy It is represented by ∆S…

Q: Calculate the change in entropy of 1 mol of nitrogen if it is heated from 300 K to 1000 K at a…

A: Moles of nitrogen = 1 mole T1 = 300 K T2 = 1000 K P = 1 atm

Q: place the following in order of decreasing molar entropy at 298 K - NO,CO,SO

A: Place the following in order of decreasing molar entropy at 298 K - NO,CO,SO

Q: Which of the following has the greatest molar entropy? All have the same O F2 () O F2 (s) O F2 (s)

A: Entropy: Entropy can be defined as the measurement of randomness or disorderness in the…

Q: Determine the change in the standard entropy, AS°, at 298K, for the given reaction using the…

A:

Q: What is the application of standard Gibbs free-energy to processes and reactions What is its…

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

Q: What are the criteria for spontaneity in terms of entropy

A: The criteria for spontaneity in terms of entropy has to be determined.

Q: How many microstates are present in a system with an entropy of zero?

A: The entropy (S) and microstates(W) are related by formula : S = kB ln(W)  Here , kB = Boltzmann…

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 happens to the entropy of a sample of the matter when it changes state from a solid to a…

A: Entropy of a system is defined as the measure of randmnoss,or disorder. Entropy is an extensive…

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

A: Entropy refers to measure of disorder and randomness. For a reaction, standard entropy change of…

Q: Entropy depends on the ________ probability and the _______ probability of a system. Predict the…

A:

Q: (b) Further predict the sign of change in entropy with proper explanation for the following cases.…

A: Entropy is directly proportional to the randomness or disorder of the molecules And more is the…

Q: Is the entropy of a bag of popcorn greater than, less than, or equal to the entropy ofthe kernels of…

A:

Q: Explain in molecular terms why the entropy of a gas increases (a) with volume, (b) with temperature.

A: (a) The dispersion of energy and matter in the system indicates the entropy. By increasing volume…

Q: the third law of thermodynamics .How is it interpreted in a microscopic thermodynamic sense?…

A: Thermodynamic is made of two words thermos means heat and dynamic means motion so can say that here…

Q: What are the criteria for spontaneity(a) in terms of entropy and(b) in terms of free energy?

A: The Gibbs free energy is an important parameter to predict the feasibility of a process. The entropy…

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

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

Q: Describe the entropy of water running from a river down to a waterfall.

A: Entropy is the randomness/disarrangement of particles.

Q: 1. The heat of fusion for water is 333.6 J/g. What is the entropy change for the universe when 1.00…

A:

Q: Explain why water spontaneously freezes to form ice below 0 °C even though the entropy of the water…

A: Entropy is the randomness or disorder. As the disorder increases the entropy increases, while the…

Q: What is entropy, and what is ΔS for a reaction, and what does it mean if ΔS is positive or negative?

A: Answer  The measurement of randomness is called entropy, entropy…

Q: Under what circumstance can the entropy of a system decrease for a spontaneous process?

A: For any spontaneous process process, the value of ΔG < 0 And since ΔG = ΔH - T ΔS

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

A:

Q: Ethyl alcohol is burned producing carbon dioxide and water. What is the entropy change for the…

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Q: b. From the calculated entropy change value, what can you conclude regarding the process? c. In the…

A: As question is multiple question as per the guidelines we are supposed to do the first question . To…