What equation should be used to calculate the standard change in entropy for a chemical reaction? (also called the standard reaction entropy)

Q: A spontaneous reaction always involves an increase in

A: A spontaneous reaction is that reaction which can by it self without external source.

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: 47. What is always true for any spontaneous reaction?

A: A spontaneous reaction is a reaction that favors product formation under the conditions reaction is…

Q: In chemical kinetics, the entropy of activation is the entropy change for the process in which the…

A: Entropy of a system is a measure of the randomness of the system. More the randomness more is the…

Q: Give example of real-life activity or reactions that shows: -entropy -spontaneous process -non…

A: Entropy :- Is the property f the system which measure the degree of randomness. Entropy increases…

Q: Which of the following involve an increase in the entropy of the system? Briefly explain how…

A: Since you have posting multiple parts, the answer for first three parts are given below. Kindly…

Q: The law of thermodynamics states that every spontaneous process moves towards greater entropy.…

A: First law:  energy can't be created or destroyed. Second law :  The entropy increases for any…

Q: spontaneous. Write an equation for the coupled process and calculate the equilibrium constant for…

A:

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: Compare the expressions for the relationship between the change in free energy of a reaction and its…

A: Given: To compare the expressions for the relationship between the change in free energy of a…

Q: Why are spontaneous and non-spontaneous reactions often coupled?

A: Spontaneous reaction: the reaction which take place on its own without any initiation are…

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

A:

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

A: Chemical reaction:

Q: A spontaneous reaction requires external stimuli

A: No. A spontaneous reaction does not require external stimuli.

Q: What is a spontaneous reaction?

A: Spontaneous Reaction: A spontaneous reaction is described in a very simplistic way as the reaction…

Q: what is entropy?

A: Entropy(S)- Entropy is a thermodynamic property. Entropy determines spontaneity of process.…

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: reaction is spontaneous. What can you conclude about the reverse reaction?   It must be…

A: A highly spontaneous process need not occur rapidly.

Q: TRUE OR FALSE Entropy of a system decreases with decrease in Temperature.

A: Entropy of a system decreases with decrease in temperature is true or false ?

Q: Describe the first and second laws of thermodynamics and how they relate tochemical reactions.

A: To find: The description about first and second laws of thermodynamics

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: choose all Off. the following that will result in a decreasing in entropy off the system; melting of…

A: Choose all of the following that will result in a decreasing in entropy off the system; melting of…

Q: For a reaction with a negative value for Gibbs free energy, which of the following statements is…

A: We would use relation of Gibbs free energy with ∆H , ∆S and Equilibrium constant.

Q: Consider these reactions: Reaction 1: H2(g)+Cl2(g)⟶2HCl(g)ΔH=−184.6 kJ  Reaction 2:…

A: Change in enthalpy : ΔH = + 66.4 kJ                                      ΔH = + 66400 J Change in…

Q: Does the entropy of the system increase, decrease, or stay the same when (a) the temperature of the…

A: The objective of the question is to reason whether the entropy of the system will increase, decrease…

Q: second law of thermodynamics

A:

Q: What happens to the entropy of an isolated system during an irreversible process?

A: For isolated system, there is no exchange of heat or energy between system and surrounding.  Hence,…

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

A:

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: Give five (5) examples in which scenario has the low entropy and scenarios that has high entropy.

A: Entropy is the measurement of disorder or randomness. The measure of the number of ways of…

Q: Discuss the spontaneity of each process in the following scenarios, based on the use of the Gibbs…

A: When ∆G is negative reaction is said to be spontaneous.

Q: substance has the higher entropy?

A: Sample of pure silicon have less entropy becuz it's contains only one constituents while Si+P+B have…

Q: For which of the processes does the entropy of the system increase?

A: The disorderness or randomness present in a molecule is termed as its entropy.

Q: What is a standard state?

A: In chemistry, the standard state of a material is a reference point used to calculate its properties…

Q: Which of the following involve an increase in the entropy of the system? Briefly explain how…

A: The process that involves an increase in the entropy of the system has to be identified .

Q: e The increase in entropy

A:

Q: Fill the table with their respective standard entropy of reaction and show the solutions.

A:

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: Determine the entropy of the reaction: H2(g) + CuO(s) → Cu(s) + H2O(g)

A:

Q: endothermic reaction can be spontaneous if accompanied by a negative change in entropy.

A:

Q: standard Gibbs energy change

A:

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: Water can be decomposed to form hydrogen and oxygen, and the hydrogen and oxygen can be recombined…

A: The decomposition reaction of water is,

Q: Explain which reaction is non-spontaneous and justify your answer in terms of change in enthalpy and…

A: Given : reaction