1. Describe enthalpy with respect to free energy change.

Q: The graph represents the energy change of a chemical reaction. Which must be true about the entropy…

A: Given, the energy profile diagram: We have to find the correct statement about the entropy of the…

Q: Do exothermic or endothermic reactions have a greater tendency to be spontaneous, and why? IUse the…

A: A spontaneous reaction  take place without any external input to the system. It can also be defined…

Q: What is the main reason why ΔG or change in free energy is important for determining the spontaneity…

A: ∆G° is the Gibbs free energy which tells about the spontaneity of the reaction.  If ∆G° = +ve…

Q: State the first law of thermodynamics in terms of (a) the energy of the universe; (b) the creation…

A: The first law of thermodynamics has to be stated,

Q: If we define the system as the reactants and products, what is the sign of work in this process,…

A: According to the first law of thermodynamics, the internal energy of a system can be changed by…

Q: When work is done on a system (+ΔG) to bring it into an ordered state (-ΔS), of the following is…

A: In this question, we have to find out the correct answer of given problem by the help of "Gibbs free…

Q: the Laws of Thermodynamics, then explain in detail which law Entropy and Enthalpy would apply to.…

A: Thermodynamics is study of flow of heat. It consists of three laws which are as follows: 1st law of…

Q: The third law of thermodynamics is defined as     a. the combined mass and energy of the universe…

A: -> at absolute (0K) temperature all the modes of motion stops (no vibration , no translation and…

Q: Using the Table of Thermodynamic Values, determine the change in enthalpy

A:

Q: SECOND LAW OF THERMODYNAMICS Why is it so important? How can the 2nd law of thermodynamics relate…

A: Second law of Thermodynamics states that for any spontaneous process the energy of the process is…

Q: the "free" energy for a fictitious example where the reaction is exothermic (AH=-100 kJ) but has a…

A: Solution The correct option is C) The free energy change is the maximum energy  available to do work…

Q: TRUE OR FALSE? 1. Entropy changes cannot be measured with a calorimeter like enthalpy changes. 2.…

A: 1. False Entropy change can be calculated from Calorimeter by using equation as follows;    ∆S  =…

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: Which of the following is a correct statement about the second law of thermodynamics? O All…

A: To define: The second law of thermodynamics.

Q: What do you mean by Enthalpy and Entropy ?

A: Enthalpy for the reaction is the energy, generally in the form of heat, which is required in case of…

Q: What do standard states have to do with free-energy changes?

A: Standard state is like the reference state of the substance, the phase of the substance usually…

Q: Explain the first law of thermodynamics and examples

A: Frist law of thermodynamics ∆U = Q+w

Q: What is the first law of thermodynamics and how does it relate to energy use?<

A:

Q: State the second law of thermodynamics. How does the second law explain why heat travels from a…

A:

Q: A statement of the second law of thermodynamics is that a. energy is conserved in a chemical…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: According to the first law of thermodynamics, what quantity is conserved?  What is meant by the…

A: According to First law of thermodynamics, energy cannot be created nor destroyed but can be changed…

Q: Which of the following circumstances will result in a reaction that is spontaneous only at low…

A: Spontaneity is determined by Gibb's free energy change. ∆G < 0 for spontaneous reaction. Formula…

Q: Given the following data   Calculate ΔH for reaction   On the basis of the enthalpy change, is this…

A: Answer is explained below.

Q: Which law of Thermodynamics explains why the "house always wins"? In other words, when it comes to…

A: Laws of thermodynamics states as– First law– Energy can neither be created nor be destroyed. It can…

Q: The standard free energy change = blank

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

Q: State the second law of thermodynamics. How does the second law explain why heat travels from a…

A: To be precise second law of thermodynamics is about entropy, it states that the entropy of an…

Q: provide an explanation for why the first law of thermodynamics is important in every chemical…

A: A  question based on chemical thermodynamics that is to be accomplished.

Q: Describe the first law of thermodynamics? What are its implications?

A: Thermodynamics is the branch of science which deals with the study of the transfer of heat.…

Q: Work is done on the system and heat is absorbed by the system. What are the signs on heat and work?…

A: Solution: According to the IUPAC sign conversation, work done (W) by system means there is decrease…

Q: What is FALSE regarding the laws of thermodynamics? Select one: a. Energy can be neither created nor…

A: Temperature, energy, and entropy are only a few of the physical parameters that the rules of…

Q: Exothermic Endothermic Heat Hotter than suroundings Heat Heat /Cooler than surroundings Heat Heat…

A: We know that,  Entropy measure randomness. If more randomness then more entropy.

Q: The first law of thermodynamics is extremely important in every chemical reaction, but what exactly…

A: First law of thermodynamics  talk about  conservation  of energy.

Q: State the first law of thermodynamics in terms of (a) the en-ergy of the universe; (b) the creation…

A: (a) According to first law of thermodynamics, the energy of the universe is constant. Because the…

Q: 1. How is entropy change determined? What data are needed for the calculation? 2. What general rules…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: We eat food every day for sustenance. Relate the idea of eating foods to the second law of…

A: The second law o thermodynamics deals with the quality of energy. It states that when energy changes…

Q: All spontaneous changes cause an increase in the entropy of the universe. True False

A:

Q: Describe the second law of thermodynamics in at least one sentence?

A: Entropy is the measurement of degree of randomness of energy in a system. Lower the entropy, more…

Q: What are the thermodynamic quantities of a system that affect the amount and sign of the internal…

A: a. i. The thermodynamic quatities that affect the amount and sign of the internal energy change of…

Q: is used to understand the concept of energy conservation. a. First Law of Thermodynamics b. Second…

A: Which one is correct

Q: What are the two factors that determine the change in energy of a system? O heat and temperature O…

A: By the first law of thermodynamics, The change in energy of a system equals the net heat transfer…

Q: The entropy and enthalpy of a reaction are both negative. Is the reaction spontaneous? Explain

A: The entropy and enthalpy of a reaction are both negative. Is the reaction spontaneous has to be…

Q: The lower the change in free enthalpy associated with a reaction, the slower this reaction is. True…

A: Change in free energy is associated with spontaneity. The spontaneity of the reaction doesn't define…

Q: Gibbs free energy is the sum of enthalpy change and the product of temperature and entropy. a. True…

A: Gibbs free energy:  It is a thermodynamic quantity that helps in the prediction of the spontaneity…

Q: Which of the following statements correctly identifies the Second Law of Thermodynamics? The free…

A: The second law of thermodynamics predicts the spontaneous nature of a process. According to this…