Define the concept of Equilibrium Constant and Free Energy Changes ?

Q: List any chemical changes you can think of in which entropy increases

A: Change in Gibbs free energy is given by,     ∆G = ∆H - T∆S ∆H = change in enthalpy ∆S = change in…

Q: Which of the following statements is true?         (A) The total energy and entropy of the universe…

A: Correct answer is (B) The total energy of the universe is constant, but the entropy is increasing.…

Q: Use the equation for free energy change and the equation that links standard free energy change to a…

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Q: Which of these processes result in an entropy decrease of the system?

A: Entropy means randomness. All spontaneous processes have positive or zero entropy change. This means…

Q: Define the following terms:a. workb. exothermic reactionc. endothermic reactiond. isothermic…

A: "Since there are multiple sub-parts in this question and it is not mentioned that which one has to…

Q: Consider a pure, crystalline solid being heated from absolute zero to some very high temperature.…

A: Entropy is a measure of randomness, so greatest increase in entropy will take place in the process…

Q: Use the thermodynamic data provided value from the Table: to calculate the equilibrium constant for…

A: Equilibrium equation :  N2O4 (g)      ⇌   2NO2∆Hf0                             +9.7…

Q: Which of the following relationships is INCORRECT?  a Free Energy is zero, the process is in…

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Q: Explain what is meant by the term entropy.

A: The term entropy has to be defined.

Q: Predict how the entropy of the substance is affected in each of the processes. Ar(1) → Ar(g) entropy…

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Q: The dissolving process of a particular salt is an endothermic process, but it leads to an increase…

A: answer- The solubility of a given salt in a given solvent, water is function of temperature.…

Q: Explain how the change in free energy determines the directionof a chemical reaction and how…

A: The Gibbs free energy is an important parameter to find out the spontaneity of a reaction. It is…

Q: When the environment is contaminated by a toxic or potentially toxic substance the substance tends…

A: It is stated by second law of thermodynamics, that entropy of universe gets increased in a…

Q: Among the three laws of thermodynamics, which is the most related to Le Chatelier’s principle?

A: According to the second law of thermodynamics, if a process is occurring spontaneously, it would…

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: explain the laws of thermodynamics, including the first, the second, and the third law of…

A: Thermodynamics is the branch of science that deals with the heat and other forms of energy like…

Q: entropy change for the reaction 2 SO2(g) + O2(g) → 2 SO3(g)

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Q: Which of the following reactions indicates an increase in entropy?

A: In case of homogeneous gaseous reaction :- if number of gaseous moles of products are more than the…

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: Explain how entropy increases in the universe.

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Q: Why is free energy “free”? >

A: Free energy is denoted by the energy free to do work in a system.The various thermodynamic functions…

Q: 15. When two systems are in contact with each other, energy will move between them to reach…

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Q: Describe how the following changes effect the positional entropy of a substance (explain).…

A: Entropy is an important thermodynamic parameter that can be used effectively to explain the various…

Q: Which of the following leads to an increased entropy? A. condensing water vapor B. cooling a cup…

A: By observing the change in temperature and the phase change behaviour of the mentioned substances,…

Q: Which process is necessarily driven by an increase in the entropy of the surroundings?

A: firstly we undrstood entrophy  ;Entropy is a measure of the energy dispersal in the system. We see…

Q: second law of thermodynamics

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Q: What is the value of the equilibrium consta

A: The given hypotheical reaction is, A→    B   +     C-32.2  207.8  -237.0

Q: A solid sample at room temperature spontaneously sublimes forming a gas This change in state is…

A: Matter is something that occupy space and have volume . It exist in 3 phase ; solid , liquid and gas…

Q: The standard free energy change = blank

A: Determine E° for the given reaction and then apply formula  ∆G° = -nFE°

Q: Which of the following statements is correct regarding the change in Gibbs free energy of a chemical…

A: Gibbs free energy is a measure of maximum available work that can be extracted from any system under…

Q: What is free energy?

A: The energy that is present in any system which can be used to do the useful work is known as free…

Q: predict whether each of the following processes increases or decreases entropy and explain your…

A: Entropy is measure of randomness or disorder of system. (a) burning a log in a fireplace  It will…

Q: The change in free energy enables us to determine whether a reaction will proceed spontaneously. How…

A: Free energy is the net energy that can be used to do maximum work in a closed system . Gibbs free…

Q: Explain the reversible process?

A: A Reversible process is a process which can be reversed in both directions (that is forward and…

Q: Determine whether each of the following statements about the thermodynamic functions are True or…

A: 1) Statement 1 is incorrect as the work done in case of constant volume system will be 0 while in…

Q: All the following involve an increase in entropy except   most endothermic reactions   sublimation…

A: Entropy is a thermodynamic term. It is the measure of disorder or randomness in a system.  If the…

Q: Which process is accompanied by a decrease in entropy for the system? O a gasoline puddle evaporates…

A: Entropy measure randomness or disorderness of molecules Randomness increase, entropy also increased

Q: Which statement DOES NOT describe the entropy of a system in its molecular state?  Entropy changes…

A: The degree of randomness in a system is measured in terms of entropy. The higher the entropy greater…

Q: contrast the initial and final states of a system that has undergone a reaction producing more gas…

A: If a reaction on completion producing more gas molecules it's resultant entropy will increases. This…

Q: An endothermic reaction that has a negative entropy change would be described as what?  Spontaneous…

A: Endothermic process is any process with an increase in enthalpy H (or internal energy U) of the…

Q: Calculate AH° for the reaction 2K (8) + 2H20(1) —> 2КОН(ад) + H- (9) Substance and State AH£°…

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Q: Compare how entropy changes for the following two systems : System A: A gas and a solid react to…

A: Entropy is the measurements of randomness. The gases have more entropy than liquid and solid.

Q: Determine the final temperature of a reaction that was initially 25 C, given that its equilibrium…

A: Given : The enthalpy change of reaction = 60.15 KJ/mol = 60150 J/mol…

Q: 45. If a chemical reaction has a positive change in entropy, AS, then: A) the reaction is…

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

Q: The entropy of any substance at any temperature above absolute zero is called the: Select the…

A: Entropy is used to determine the randomness of the system.

Q: Label the components of an energy diagram for a spontaneous reaction.

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Q: Which expression defines the change in free energy? a. ΔΗ + ΤAG c. ΔΗ-TAS b. ΔΗ+TAS d. ΔS-ΤΔΗ

A: We have to predict correct statement for change in free energy.