How can we use Chemical Thermodynamics to explain different processes involving entropy?

Q: Discuss Temperature Variation of Entropy?

A: Given :  To discuss temperature variation of entropy.

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: 1. a) Why is chemical potential analogous to temperature and pressure? b) Under what circumstance…

A: a). The energy that can be released or absorbed due to the change of number of particles of the…

Q: If the entropy of the system increases during a reversible process, the entropy change of the…

A: The entropy change of the system depends upon the randomness. As the randomness of the system…

Q: Entropy always increases as

A: Entropy always increases as ?

Q: >What is a perpetual motion machine? Can such a machine exist given the laws of thermodynamics?

A: Perpetual motion machine:It is an idealistic concept which moves indefinitely without any energy…

Q: he sum of the entropy changes of the system and the surroundings (∆SSYS + ∆SSURR) are:

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Q: The second law of thermodynamics states that, like energy, the entropy of the universe is constant.…

A: The second law states that there exist a useful state variable called entropy S .

Q: The rusting of iron is spontaneous and is accompanied by a decrease in the entropy of the system…

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Q: Based on its fundamental definition, explain why entropy is a measure of energy dispersion.

A: The entropy of state is related to the number of ways to arrange the components of the system have…

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

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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: Discuss the Free Energy under Nonstandard Conditions?

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Q: What molecular property does entropy reflect?

A: ENTROPY Entropy is the measure of disorderness or randomness of the system. It is a thermodynamic…

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

A: Chemical reaction:

Q: What is the significance of entropy being a state function?

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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: Under what conditions does an increase in temperature turn a nonspontaneous process into a…

A: For a spontaneous reaction, ∆G (change in Gibbs free energy) must be negative.

Q: The accompanying diagram shows how entropy varies with temperature for a substance that is a gas at…

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Q: Thinking Critically The second law of thermodynamics states that entropy (disorganization)tends to…

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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: Define thermodynamically the entropy of a system

A: The second law of thermodynamics helps us to determine the direction in which energy can be…

Q: According to the second law of thermodynamics, a system and its surroundings spontaneously tend…

A: according to second law of thermodynamics a system and its surroundings spontaneously tend toward…

Q: entropy?

A: Entropy, the measure of a system's thermal energy per unit temperature that is unavailable for doing…

Q: What is the third law of thermodynamics? How does the third law relate to the calorimetric entropy…

A: Thermodynamics relates to the heat, temperature, and energy of chemical reactions. It studies the…

Q: s) False Entropy changes in the system are primarily determined by heat flow in and out of the…

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Q: Explain the difference between macrostates and microstates?

A: Macrostates and microstates are two chemical concepts which is involved in thermodynamic system. The…

Q: ENTROPY (ΔS) can be thought of as molecular disorder, randomness, or freedom. Which of the two…

A: Entropy measures the disorder or randomness in the system. Ice has more ordered structure than…

Q: How do you predict the entropy of a gas will change if a 2.0 L sample of that gas is compressed to a…

A: The entropy of a system is defined as the measure of randomness between the particles present in a…

Q: b. How are the internal energies of chemical substances changed in a chemical reaction? State and…

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Q: Do you need to specify the temperature to calculate the entropy change? Explain.

A: Entropy is the measure of randomness or chaoticness . With increasing in the randomness or…

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

A: Entropy measures the degree of randomness in the system. When a substance changes its phase solid to…

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

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Q: Explain how it's possible for a chemical reaction to have a negative entropy change value if the…

A: Entropy is ability of system to determine spontaneity, whether a particular reaction or system is…

Q: What is the molar entropy of a pure crystal at 0 K? What is the significance of the answer to this…

A: The third law of thermodynamics states that entropy of a pure crystal at a temperature of zero…

Q: According to the second law of thermodynamics for any spontaneous process, the entropy of the…

A: To find: For a spontaneous process, the entropy of the universe

Q: ard molar entropy,

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Q: Not all processes in which the system increases in entropy are spontaneous. How can this observation…

A: Second law of thermodynamics states that the entropy of an isolated system always increases but it…

Q: How does the molar entropy of a substance change with increasing temperature? The molar entropy of a…

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Q: Explain the significance of entropy

A: ANSWER IS

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: According to the third law of thermodynamics, at what temperature will entropy become zero? A. 0°…

A: Third law of Thermodynamics- The entropy of a perfectly crystalline solid approaches zero as the…

Q: What is entropy, S, and how is entropy related to spontaneous change?

A: Entropy is defined as,  A measure of randomness or disorder of a system.      OR  The amount of heat…

Q: In biology the equilibrium equations that keep living organisms alive are called homeostasis. How…

A: Homeostasis is the condition in living organisms where the equilibrium equations that keep loving…

Q: 8. The third law of thermodynamics claims that: ONone of the other OThe entropy of the OThe internal…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

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…