A spontaneous process usually involves an increase in temperature (an exothermic reaction), yet when salt (NaCl) dissolves in water, the solution cools. Explain.

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: the entropy of the universe always increases. What does this mean for the future of Earth as well as…

A: The entropy of the universe increases because energy never flows uphill spontaneously. Energy…

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: ) True or False?  If false, correct the statement.        a) The entropy of a substance increases…

A: The entropy of a substance increases when a substance changes from liquid to vapor at any…

Q: Define entropy and state the second law of thermodynamics?

A: Entropy is a thermodynamic property which shows the inaccessibility of a system's thermal energy. It…

Q: You are studying the decomposition of CaCO3(s). CaCO:(s) → Cao(s) + CO2(g) ) At what temperature…

A: Given reaction:  Decomposition of CaCO3(s)

Q: The combustion of gasoline is a spontaneous process. If this reaction proceeds spontaneously, why…

A:

Q: What is a spontaneous process?

A: Spontaneous process is a irreversible process

Q: Indicate whether each statement is true or false. (a) The entropy of the universe increases for any…

A: (a) The spontaneous process is a process that starts on its own without any external effort.…

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: Frequently, when salts dissolve in water, the solution becomes warm. Such a process is exothermic.…

A: Endothermic process: It is the process in which the system absorbs heat from the surrounding and as…

Q: A student places a piece of solid iron into a solution containing copper(II) ions. 7 (a) Write the…

A:

Q: Give an example for each of the following and provide explanation based from what you learned about…

A: Thermodynamics is branch of chemistry in which we deal with heat gained or lost by the system.

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: SO3 + H2O -> H2SO4 Is this chemical reaction spontaneous or non- spontaneous? Fast or slow?

A: The importance of Gibbs energy is that it gives information about the spontaneity of the reaction or…

Q: 1. What is spontaneous reaction and nonspontaneous reaction? Define each. 2. Indicate whether the…

A: The answer of the question is----------- The spontaneous reaction is a reaction that goes towards…

Q: Spontaneous reactions are the reactions that  occur on its own, without the use of any external…

A:

Q: What is a spontaneous reaction?

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

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: SO2(g)+2H2S(g) --> 3/8S8(s)+2H2O(g)  at what temperature does the reaction become spontaneous?

A: Since the reaction becomes spontaneous when the net gibbs free energy change of the reaction becomes…

Q: d Silver nitrate is added to a solution of sodium chloride and a precipitate forms. spontaneous…

A: Here we have to predict whether the following given reactions are spontaneous or nonspontaneous…

Q: 17. Classify the following processes as spontaneous or nonspontaneðus. Expl your answers in terms of…

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

Q: Suppose that a house and its exterior are both initially at 31 °C. Sometime after the air…

A: Spontaneous process is one which proceeds on its own and does not require any external assistance.…

Q: Classify the following processes as spontaneous and nonspontaneous. Explain your answers in terms of…

A: (a) Water can split into its atomic counterparts, hydrogen and oxygen gas by passing an electric…

Q: III of thermodynamics. Explain your law.

A:

Q: Define Spontaneous and Nonspontaneous Processes?

A: Spontaneous Process:  The process which can take place by itself or by initiation independent of the…

Q: Does the thermodynamic term spontaneous refer to a process that takes place quickly?

A: To find: whether spontaneous refer to a process that takes place quickly thermodynamically?

Q: What is the precise definition of entropy?

A: Entropy is a thermodynamic state function that determines randomness in a system.  When we raise…

Q: Oxygen molecules dissociate to form oxygen atoms. spontaneous nonspontaneous A tray of water is…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: Entropy is used to determine the randomness or disorders. If change in Gibb’s free energy is…

Q: Describe how matter is redistributed when the following spontaneous processes take place:(a) A solid…

A: Sublimation:- It is the change in form of substance from solid state to gaseous state. Example-…

Q: enumerate at least three examples each for a spontaneous reaction and a nonspontaneous reaction

A: A spontaneous reaction is a reaction which occurs without the help of an external force or energy.…

Q: What is the difference between a spontaneous reaction and a non spontaneous reaction?

A: We have to tell the difference between a spontaneous reaction and a non spontaneous reaction

Q: Determine whether the following process are spontaneous or non-spontaneous. Write your answers on…

A: Since you have posted a question with multiple subparts, we will solve only first three subparts for…

Q: Explain the second law of thermodynamics and give examples

A: The second law of thermodynamics states that the change in energy from one form to another is…

Q: Describe Gibbs' free energy and give an example of a spontaneous process.

A: The process which occur by itself without any external energy is known as spontaneous process.

Q: - Which combination of enthalpy and entropy will never result in a spontaneous reaction? a) ДН > 0…

A: A spontaneous reaction is the reaction that occurs by itself without any energy input from the…

Q: Please answer question A and B.

A: a) For a spontaneous process, entropy of the universe always increases. This is because the Sun, and…

Q: 11) Why can endothermic reactions be spontaneous?

A: Introduction: Endothermic reaction: The reaction which requires heat to form the product is called…

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

A:

Q: Which of the following is not true about a spontaneous process? A) A spontaneous process is one that…

A: A spontaneous reaction is one that is capable of occurring in a given direction without being driven…

Q: Which pair of reactant will produce a spontaneous reaction if everything is present in its standard…

A: The standard reduction potential of Cu and Fe is as follows: Cu2++2e−→Cu…

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: The normal freezing point of n-octane 1C8H182 is -57 °C. In what temperature range is the freezing…

A: For freezing process  ∆H < 0  and ∆S < 0  So,  ∆G = ∆H - T∆S  at low temperature  ∆G < 0…

Q: What is a spontaneous process? Provide an example?

A: Spontaneous process are those reactions that take place instantaneously without any external force.…

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: Direction: identify whether the process is spontaneous or nonspontaneous. Write your answer on a…

A: A spontaneous process is defined as the process itself happens without any external agent or force.…