B. Predict the value of Gibb's Free energy and Spontaneity based on the values of AHand AS.EnthalpyChangepositivenegativenegativeTemperature Value of G (+, -)EntropyChangepositivepositivenegativeSpontaneityhighlowlow

We have to predict the sign of G and spontaneity of the process for given enthalpy change and…

B. Predict the value of Gibb's Free energy and Spontaneity based on the values of AH and AS. Enthalpy Change positive negative negative Entropy Change positive positive negative Temperature Value of G (+,-) Spontaneity high low low

B. Predict the value of Gibb's Free energy and Spontaneity based on the values of AH and AS. Enthalpy Change positive negative negative Entropy Change positive positive negative Temperature Value of G (+,-) Spontaneity high low low

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter10: Entropy And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 10.51PAE: 10.51 The combustion of acetylene was used in welder's torches for many years because it produces a...

See similar textbooks

Related questions

Q: 2 Al203(s) - 4 Al(s) + 3 02(g) AG = +138 kcal Consider the contribution of entropy to the…

A: Given: 2Al2O3(s)→4Al(s)+3O2(g) ∆G=+138 kcal Observe the ∆G value of given reaction.

Q: Which of the following statement(s) is/are true regarding free energy? (Select all that apply.) A…

Q: Use the standard free energy data in the Standard State Thermodynamic Data table to determine the…

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

Q: Calculate the free-energy change of the following reaction at 410°C and standard pressure. Values in…

A: In thermodynamics, Gibbs free energy is a thermodynamic potential that can be used to calculate…

Q: Is each statement true or false? If false, correct it.(a) All spontaneous reactions occur…

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

Q: Calculate the standard Free Energy change for the following two reactions, using Gof data only.…

A: Consider a general equation for which we need to determine the standard Gibbs free energy is as…

Q: Which substance has the greatest entropy, H2O(l) or H2O(g)?Explain your reasoning.

A: Entropy is the thermodynamical property. It is the measure of the system's thermal energy per unit…

Q: Use the standard free energy data in the Standard State Thermodynamic Data table to determine the…

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

Q: Fasagraph Using the following data (at 25 °C): Camond (s) +02(g) Craphitel S) O2(g) Cyraphite 6.…

A: As per given question, we need to find the heat of formation of graphite For the formation of…

Q: Analyze the table below. According to the table, if a process is spontaneous and has a positive AS,…

A: Gibbs free energy change(∆G), entropy change(∆S), and enthalpy change(∆H) are related through the…

Q: If AH for a reaction is negative and AS is positive, then the reaction is (a) spontaneous at all…

A: Given : ΔH of the reaction is -ve. And ΔS of the reaction is +ve.

Q: 9. Use the standard free energy of formation data to determine the free energy change for the…

A: Balanced the equation and determine the free energy change for that reaction also identify the…

Q: Given the following information, calculate the free energy change (AG) at the temperature indicated…

Q: A reaction has values of AH and AS which are both positive. The reaction * Is spontaneous O…

A: When ∆H and ∆S both are positive then reaction is ---

Q: hows the three important thermodynamic quantities. Table 3.1 Quantity Symbol Measures Units Enthalpy…

A: Here we are required to find the standard Gibbs free energy for the given reaction

Q: What can be said about an endothermic reaction with a negative entropy change? • View Available…

A: According to the thermodynamic of reaction, the change in Gibbs energy should be negative for…

Q: H2(g) + F2(g)---->2HF(g)Use the standard thermodynamic data in the tables linked above. Calculate…

A: For the given reaction, the equation for equilibrium pressure can be written as above.

Q: The diagram below illustrates graphically how the free energy changes during the chemical reaction:…

A: Here we have to predict the points at which in the plot of G versus composition change graph ,the…

Q: Given a process with ∆Η = − 250 kilojoules/mol ∆S = - 100 joules/K mol at what temperature (Kelvin)…

Q: c) Caco, (s, calcite) + 2 Ha (g) > Cada (s) • CO: () + H:0 (1) irst, predict the sign of AS the sign…

A: Given: The chemical reaction is, CaOs+2HClg→CaCl2s+CO2g+H2Ol......(1) The standard molar entropy of…

Q: Which of the following statements is true? O All spontaneous reactions have a negative enthalpy…

A: Spontaneous process: It is process that happens it own and continues in its own way and do not…

Q: Consider the reaction N₂(g) + 20₂(g)2NO₂(g) Use the standard thermodynamic data i the tables linked…

Q: 25. If AGº for a reaction is positive, the reaction is (a) spontaneous. (b) spontaneous at high…

A: In chemical thermodynamics, Gibbs free energy is the thermodynamic potential that can be used to…

Q: S(s)+O2(g)⇄SO2(g), is -300.4 kJ. Which statement below is true? a. This reaction is non-spontaneous…

A: B option is correct. If ∆G is negative that means reaction is spontaneous.ΔG cannot tell us anything…

Q: Consider the reaction CO(g) + Cl2(g)COCl2(g) Use the standard thermodynamic data in the tables…

A: Gibbs free energy change for the reaction

Q: Benzene, Cg H6, has a normal boiling point of 80.1°C and an enthalpy of vaporization, AH, of 30.14…

A: The entropy change accompanying the change in phase from liquid phase to vapor phase is called the…

Q: For the reaction 2H,S(g) + 30,(g)-2H,0(g) + 2S0,(g) AH° = -1036.0 kJ and AS° = -152.9 J/K kJ. The…

Q: For a reaction with Keq = 0.8 and Ea = 80 kJ/mol, decide which of the following statements is (are)…

A: A high value of equilibrium constant signifies that the reaction has head towards the completion.…

Q: Use the standard free energy data in the Standard State Thermodynamic Data table to determine the…

A: The reaction is said to be the spontaneous reaction if the standard Gibbs free energy has negative…

Q: Write T if true, and F if false 1. If the change in free energy, ΔG is negative, the reaction is…

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

Q: a) Use the data to decide if this reaction is spontaneous at 25°, and predict how AG° will change…

A: Given: 4KClO3(s)→3KClO4(s)+KCl(s)∆Hsyso=144.3kJ∆Ssyso=-36.8J/K

Q: (a) Using Gibb’s free energy equation, predict whether at 28.0 °C, the following reaction is…

A: Gibbs free energy gives the information about the feasibility or spontaneity of the chemical…

Q: spontaneous? One with a +AH and a -AS One with a -AH and a J S

A: We will choose Correct option

Q: Consider the Gibbs Free Energy diagram shown (picture). Draw an arrow showing the formation of CO2…

A: The equation is: C(s) + O2(g) → CO2(g)

Q: Solve the following problem. Use GRESA Calculate in change in Enthalpy and Entropy of the Chemical…

A: Given: NH4Cl(s)→NH3(g)+HCl(g) The reaction is spontaneous, if the value of change in Gibbs free…

Q: Án endothermic reaction will be spontaneous... Only if AS(-), and the temperature is LOW O Only if…

Q: Given: If 3.500 g of Ni (58.69 g/mol) are reacted with excess oxygen to form nickel oxide (NiO)…

A: a) The reaction taking place is given by 2 Ni + O2 ---> 2 NiO Hence we can say that 2 moles of…

Q: 31. Given the following reaction determine Free Energy change and E°call for the following reaction…

A: Thus option b is correct that is -800kJ/spontaneous

Q: 17. What is the sign (positive or negative) of the entropy change (AS) for each of the following a.…

A: The entropy change is defined as the difference of entropies of the product and that of reactant. So…

Q: Which of the following exhibits a non-spontaneous? a. Rain falls from the sky. b. A plants grows…

A: A chemical process is occurs when one form of compound converted into another form. These processes…

Q: 1. Which of the following match-ups about free energy is correct? A. Positive Gibb's = exergonic =…

Q: Given that AH and AS for a reaction are both negative, the reaction will be O nonspontaneous at all…

A: Given that ΔH and ΔS for a reaction are both negative. Using, ΔG = ΔH - TΔS

Q: rom the following combinations of AH and AS, predict if a process will be spontaneous at a high or…

A: Given: We have to tell at what temperature process will be spontaneous.

Q: the ∆H of Hydrazine.

Q: entropy

Q: Which of the following statements determine a reaction to be spontaneous? O The ASpxn is positive. O…

A: The relation between change in entropy, enthalpy, and Gibbs free energy can be given as: ∆G=∆H-T∆S…

Q: Question 1 Identify the correct statements consistent with the following scenario: 1. Heat is lost…

A: The correct statements have been marked in the following step.

Q: Use the observations about each chemical reaction in the table below to decide the sign (positive or…

A: Three different reaction conditions for which the sign of enthalpy and entropy is to determined.

Question

B. Predict the value of Gibb's Free energy and Spontaneity based on the values of AH
and AS.
Enthalpy
Change
positive
negative
negative
Temperature Value of G (+, -)
Entropy
Change
positive
positive
negative
Spontaneity
high
low
low

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1 Given

VIEW

Step 2 Solution

VIEW

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

The reaction CO2(g)+H2(g)CO(g)+H2O(g) is not spontaneous at room temperature but becomes spontaneous at a much higher temperature. What can you conclude from this about the signs of H and S , assuming that the enthalpy and entropy changes are not greatly affected by the temperature change? Explain your reasoning.
The enthalpy of vaporization of ethanol is 38.7 kJ/mol at its boiling point (78C). Determine Ssys, Ssurr, and Suniv when 1.00 mole of ethanol is vaporized at 78C and 1.00 atm.
Show by calculation, using Appendix 1, whether dissolving lead(II) chloride PbCl2(s)Pb2+(aq)+2Cl(aq) is spontaneous at 25C (a) when [ Pb2+ ]=1.0M;[ Cl ]=2.0M. (b) when [ Pb2+ ]=1.0105M;[ Cl ]=2.0105M.
What is the second law of thermodynamics? For any process, there are four possible sign combinations for Ssys and Ssurr. Which sign combination(s) always give a spontaneous process? Which sign combination(s) always give a non-spontaneous process? Which sign combination(s) may or may not give a spontaneous process?
Consider two processes: sublimation of I2(s) and melting of I2(s) (Note: the latter process can occur at the same temperature but somewhat higher pressure). I2(s)I2(g)I2(s)I2(l) Is S positive or negative in these processes? In which of the processes will the magnitude of the entropy change be greater?
There is another free energy state function, the Helmholtz free energy (A), defined as A = E — TS. Comparing this to the definition of G, we see that internal energy has replaced enthalpy in the definition. Under what conditions would this free energy tell us whether or not a process is spontaneous?
Many plastic materials are organic polymers that contain carbon and hydrogen. The oxidation of these plastics in air to farm carbon dioxide and water is a spontaneous process; however, plastic materials tend to persist in the environment. Explain.
Using tabulated thermodynamic data, calculate G for these reactions. (a) Mg3N2(s)+6H2O(l)2NH3(g)+3Mg(OH)2(s) (b) 4CH3NH2(g)+9O2(g)4CO2(g)+10H2O(l)+2N2(g) (c) Fe3O(s)+4CO(g)3Fe(s)+4CO2(g) (d) P4O10(s)+6H2O(l)4H3PO4(aq)
In a spontaneous process, S(universe) is (a) 0 (b) = 0 (c) 0
10.51 The combustion of acetylene was used in welder's torches for many years because it produces a very hot flame: C2H2(g)+52O2(g)2CO2(g)+H2O(g) H= -1255.5 kJ (a) Use data in Appendix E to calculate S for this reaction, (b) Calculate G and show that the reaction is spontaneous at 25°C. (c) Ls there any temperature range in which this reaction is not spontaneous? (d) Do you think you could use Equation 10.4 to calculate such a temperature range reliably? Explain your answer.
10.69 If a sample of air were separated into nitrogen and oxygen molecules (ignoring other gases present), what would be the sign of for this process? Explain your answer. The next four questions relate to the following paragraph [Frank L. Lambert, Journal of Chemical Education, 76(10), 1999, 1385]. "The movement of macro objects from one location to another by an external agent involves no change in the objects' physical (thermodynamic) entropy. The agent of movement undergoes a thermodynamic entropy increase in the process."
Limestone is predominantly CaCO3, which can undergo the reaction CaCO3(s)CaO(s)+CO2(g). We know from experience that this reaction is not spontaneous, yet S for the reaction is positive. How can the second law of thermodynamics explain that this reaction is not spontaneous?