1. Water evaporates at room temperature because A) the standard free energy change is positive B) the standard free energy change is negative C) Both reactants are in their standard states at room temperature D) H20(g) is not at 1 atm pressure E) none of the above

Q: Calculate the standard free energy, ΔGo, for the following equation at 25.0 oC and determine if the…

A: DGf° (C2H6(g)) + 7Cl2(g) ⟶  2CCl4(g) + 6HCl(g) DGf° (C2H6(g))  = -32.82 kJ/mol DGf° (Cl2(g))  = 0…

Q: Zn(s) + 2HCI(aq) ZNC12(aq) + H2(g) + 153kJ For this reaction at 25°C, · Change in enthalpy: [ Select…

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Q: a) H2(g)→ 2H(g) b) N2 (g. 1 atm) → N, (g, 8 atm) C) 2SO3(g) → 2SO,(g) + O2(g) d) C (Diamond) → C…

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Q: Use the standard free energy data to determine the free energy change for the following reactions,…

A: Answer:- This question is answered by using the simple concept of calculation of Gibbs free energy…

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: 2. Evaluate AS for the reaction below at 25°C and 1 atm. 3NO,(3) H,O() 2HNO,(aq) NO(g) S (J/ mol•K)…

A: The measure of degree of disorderliness of the system is called the entropy. Greater the…

Q: 26) Which statement is true?gikuprakto A) Spontaneous changes are always accompanied by an increase…

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

A: Thermodynamics is the study of the relations between heat, work, temperature, and energy. The laws…

Q: Change Is this change spontaneous? O Yes. A solid precipitates from a solution, releasing heat as it…

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Q: All of the following have the free energy of formation value zero except: a) Fe(s)      b)   N2(g)…

A: All Have Zero free energy of formation except

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

A: The question is based on the concept of chemical thermodynamics. We have to calculate Gibbs free…

Q: All of the following has a zero value for free energy of formation except: 12(s) 03(g) Br2(1) Li(s)…

A: Free energy of formation is that change of energies  when one of substance is formed from its…

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: Consider the following equation: 3C2H2(g) ↔ C6H6(g) ΔGof(C2H2, g) = +209.2 kJ/ mol; ΔGof(C6H6, g) =…

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Q: 1. What is the entropy change of the reaction below at 298 K and 1 atm pressure? N2(g) 3H,(8)…

A: Given reaction in the question, N2 (g) + 3H2(g) →2NH3 (g)Given the values in the question =Sο (N2) =…

Q: Which statement would be the best interpretation of the First Law of Thermodynamics? 1. The total…

A: First law of thermodynamics states that, " the change in the internal energy of the system is equal…

Q: Define the concept of Equilibrium Constant and Free Energy Changes ?

A: Thermodynamics is a branch of chemistry that deals with the motion of heat. State functions like…

Q: TRUE OR FALSE 1. Lowering the temperature of the system will lead to an increase in entropy. 2.…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: The sign of Gibb's Free Energy is positive ("+") when energy is released.   a. True b. False

A: The Gibbs free energy change is related to change in enthalpy and change in entropy as follows:where…

Q: For the reaction:                       SO3 (g)  →  SO2 (g)  +  1/2 O2 (g)         the ΔHo is…

A: For the given reaction, standard Gibbs's free energy is calculated as shown in equation (1).…

Q: Calculate the change in standard free energy for a reaction at 316.30 K; the change in standard…

A: The provided temperature (T)=316.30K change in standard molar enthalpy(∆H)= -95.40kJ/mol change in…

Q: Which of the following represent an increase in entropy? carbon atoms crystallize and become…

A: The answer of the above question is given in following steps

Q: C d ( s ) + C l 2 ( g ) ⟶ C d C l 2 ( s ) using Standard Thermodynamic Properties answer the…

A: The gibbs free energy for any reaction is given as--- ∆G = ∆H - T∆S  where G is the gibbs free…

Q: A + B C has a molar DSrxn of -19 J/K and a molar DHrxn of 15 kJ. C has a free energy of…

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Q: For a particular chemical reaction, the standard enthalpy change is 233.7 kJ/mol and the standard…

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Q: Substance C₂Hg(g) O₂(g) CO₂(g) H₂O(g) he thermodynamic data calculated above for this reaction…

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Q: For a particular chemical reaction, the standard enthalpy change is -396.5 kJ/mol and the standard…

A: Given:  ∆H° = -396.5 KJ/mole  ∆S° = -333.8 J/K-mole = -0.3338 KJ/K-mole T = 25°C = 298 K

Q: which statement about entropy is true? non-spontaneous reactions sometimes will happen all by…

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Q: Use the appropriate symbol to represent a non-spontaneous process (>, <, =)  ∆G ________________ 0…

A: ∆G represents change in Gibbs free energy.∆E represents change in Internal energy .K represents…

Q: Identify each as either spontaneous or nonspontaneous at these conditions.

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Q: if the enthalpy change is negative and the entropy change is positive this reaction would be

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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: chapter 12:  8) Calculate the free-energy change of the following reaction at 448°C and standard…

A: Answer: The free energy change of the following reaction at 448°C is -1301.34 kJ/mol.