The combustion of gasoline is a spontaneous process. If this reaction proceeds spontaneously, why aren't gas stations and cars blowing up all over the place?

Q: What are the units of entropy and enthalpy?

A: Enthalpy is the amount energy absorbed or released in a process.Entropy is the measure of randomness…

Q: A spontaneous process usually involves an increase in temperature (an exothermic reaction), yet when…

A: Solution- The reaction is favorable when it causes an enthalpy decrease and an increase in system…

Q: Which of the following statements define the second law of thermodynamics? O All spontaneous…

A: Given: Different - different statements. To find : true statement regarding second law of…

Q: What is a spontaneous process?

A: Spontaneous process is a irreversible process

Q: Describe Gibbs Free Energy?

A: The second law of thermodynamics is introduced to explain the spontaneity or feasibility of…

Q: 5. Define the First Law of Thermodynamics.

A: Define the first law of thermodynamics- The first law of thermodynamics is simply the law of…

Q: When does a spontaneous process occur?

A: To explain when does a spontaneous process occurs.

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: 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: The entropy of a system always increases for a spontaneous process. O TRUE O FALSE

A:

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

A: Chemical reaction:

Q: laws of thermodynamics

A: Dear student I have given answer to your question in the image format .

Q: what is entropy?

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

Q: Describe the Second Law of Thermodynamics?

A: In order to overcome the limitation of first law of thermodynamics second law of thermodynamics was…

Q: 1. Briefly distinguish between the following: a) Spontaneous and Reversible processes b) Entropy and…

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

Q: What is the precise definition of entropy? What is the significance of entropy being a state…

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

Q: Define Standard States and Standard Entropy Changes?

A: Generally in chemistry standard state can be defined as the reference pint used to calculate its…

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: Under what circumstances does entropy of a system decrease for a spontaneous process

A: For any  spontaneous process, the value of Gibbs free energy change i.e ΔG should be -ve And since…

Q: Why can endothermic reactions be spontaneous?

A:

Q: entropy?

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

Q: The second law of thermodynamics states that for a process to be spontaneous:         (A) The…

A: According to second law of thermodynamics, the overall entropy of the whole universe is always…

Q: Define Spontaneous and Nonspontaneous Processes?

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

Q: For a particular reaction, ΔH∘=20.1 kJ and ΔS∘=45.9 J/K. Assuming these values change very little…

A:

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: Explain the difference between macrostates and microstates?

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

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

A: The entropy tells the randomness present in the system due to its disorderness created in the system…

Q: Are the earth and sun in thermal equilibrium? Are there entropy changes associated with the…

A: 1. The earth and the Sun are not in the thermal equilibrium. As sun is much hotter or is having…

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: 2. Define and give an example: Spontaneous, exergonic 3. Define and give an example:…

A: These all are the terms related with chemical thermodynamics. There are many reactions which occur…

Q: How does the picture become chemical thermodynamics? It is reversible? What are the type of…

A: Chemical thermodynamics is the branch of science deals with the study that relates the heat, energy,…

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

A: Spontaniety of a reaction is decided by ∆G value(Gibbs free energy)  ∆G = ∆H - T∆S Where ∆H is the…

Q: You are observing a reaction and discover that the reaction vessel is warm to the touch.  The…

A: Interpretation: We have to tell whether the reaction is spontaneous or not.

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: 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: Laws

A:

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: Define Thermodynamics ?

A: Thermodynamics is the branch of physical science which deals with the relations among heat and other…

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: Why do exothermic processes tend to be spontaneous at low temperatures?

A: Why do exothermic processes tend to be spontaneous at low temperatures?

Q: Explain Thermodynamic Processes?

A: The four types of thermodynamic process are isobaric, isochoric, isothermal and adiabatic.

Q: Is this a spontaneous or nonspontaneous process?

A: Is this a spontaneous or nonspontaneous process?