For the decomposition of mercury(II) oxide, HgO, to mercury and oxygen:             2HgO(s)      2Hg(l) + O2(g)        ΔGo = +117.1 kJ What is the standard Gibbs free energy of formation (ΔGfo) of mercury(II) oxide?   a. +117.1 kJ∙mol –1   b. –117.1 kJ∙mol –1   c. +58.6 kJ∙mol –1   d. –58.6 kJ∙mol –1

Q: Using the data from the previous steps, calculate the standard Gibbs Free Energy reaction at 25 °C.…

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Q: 1. a) Why is chemical potential analogous to temperature and pressure? b) Under what circumstance…

A: a.  The chemical potential is the measure of free energy is changed in the process.  Since the free…

Q: A reaction has ΔH∘rxn= -134 kJ and ΔS∘rxn= 320 J/K.  At what temperature is the change in entropy…

A: Given: -ΔH°rxn = -134 KJΔS°rxn = 320 J/KIf everything is carried out at a constant temperature and…

Q: Consider these two reactions: Reaction 1: 20F₂(g) → O₂(g) + 2 F₂ (g) AH = -49.4 kJ Reaction 2: N₂(g)…

A: ★ Answer : Reaction 2  is non spontaneous. ★ Explanation :

Q: Ca(OH)2(aq) + 2HCl(aq)CaCl2(s) + 2H2O(l) for which H° = -30.20 kJ and S° = 205.9 J/K at 298.15 K.…

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Q: (4) For the reaction below, the reaction is said to be: A +B →C AH = +30 kJ, AS = +50 J/K…

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Q: H2 reacts with the halogens (X2) according to the reaction: (8)=x + (8)*H 2 HX(8) where X2 can be…

A: According to the second law of thermodynamics, the Spontaneity of a reaction can be determined by…

Q: (a) What is the maximum electrical work obtainable from the reaction | 0,(g) + H,(g) = H,O(1) %3D…

A: In a reversible reaction, very less amount of heat is lost and thus such reactions are highly…

Q: HNO2(aq) + OH (aq) H20(1) + NO2 (aq) K= 4.5×1010 What is the standard change in Gibbs free energy at…

A: Given :- K = 4.5 × 1010                T = 25 °C                 R = 8.314 J/K.mol  To calculate :-…

Q: At temperature T0, substance X in its A form (A can be liquid, solid or vapor) has same chemical…

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Q: Consider the reaction CH4(g) + H2O(g)CO(g) + 3H2(g) for which H° = 206.1 kJ and S° = 214.7 J/K at…

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Q: How does temperature effect spontaneity? Under what conditions is enthalpy the dominant…

A: We know that, ΔG = ΔH - TΔS For a reaction to be spontaneous ΔG must be negative in sign ΔG < 0 ,…

Q: A process increases the entropy of the system by 128 J/mol K and absorbs 54 kJ/mol of heat from the…

A: Given: Change in entropy (∆S) = 128 J/mol•K Absorbed heat=54 kJ/mol =54×103 J/mol    To determine…

Q: ST3D.3- At constant temperature and pressure, what is the minimum mass [in g] of glucose needed for…

A: Answer: Value of gibbs free energy change is always equal to non-expansion work and over here…

Q: Consider the reaction 6CO2(g) + 6H2O(l)C6H12O6 + 6O2(g) for which H° = 2.801×103 kJ and S° =…

A: The given reaction is, 6CO2(g) + 6H2O(l) → C6H12O6 + 6O2(g) Given that: H° = 2.801×103 kJ  S° =…

Q: For a reaction, ΔHrxn = -107 kJ and ΔSrxn = 285 J>K. At what temperature is the change in entropy…

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Q: Which one of the following is not equal to zero?   A.  Standard molar entropy of a perfect crystal…

A: Standard enthalpy of formation of elements and the compounds in their standard state is zero.

Q: A reaction has ΔH °rxn = -112 kJ and ΔS °rxn = 354 J/K. At what temperature is the change in entropy…

A: The quantity of energy that is absorbed inside the system at a given temperature during a particular…

Q: (4) For the reaction below, the reaction is said to be: A +B →C AH: = +30 kJ, AS = +50 J/K…

A: We know that   ΔG° = ΔH° – TΔS° For a spontaneous reaction, ΔG° must be negative.

Q: Consider the reaction CH4(g) + H2O(g)CO(g) + 3H2(g) for which H° = 206.1 kJ and S° = 214.7 J/K at…

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Q: Consider the reaction 6CO2(g) + 6H2O(l)C6H12O6 + 6O2(g) for which H° = 2.801×103 kJ and S° =…

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Q: What is the change in entropy in a large mass of water at 50 °C when it receives 155 kJ of energy in…

A: Answer is explained below. Given that, the change is reversible and the mass of water is large…

Q: In the frog muscle rectus abdominis, the concentrations of ATP, ADP and phosphate are 1.25×10-3 M,…

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Q: Consider the reaction Co(g) + H20(I) CO2(g) + H2(g) Calculate the standard Gibbs free energy change…

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Q: Consider the reaction N2(g) + 2H2O(1)–→2NO(g) + 2H2(g) for which AH° = 752.2 kJ and AS° = 351.6 J/K…

A: The given reaction is : N2(g)  +  2H2O(l)  →  2NO(g)  +  2H2(g)For the above reaction :∆H°=752.2 kJ…

Q: Item 1 I Review | Constants | Periodic Table Elemental carbon usually exists in one of two forms:…

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Q: 23. In a reaction, the change in entropy is given as 2.4 cal/K and the change in Gibbs free energy…

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Q: Consider the formation of nitrosyl chloride from NO and Cl2 at 25.0°C: 2NO(s) +Cl2(g) → 2NOCI(g)…

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Q: For chemical reactions, the change in Gibbs free energy [at 298 K, 1at., ∆G°] determines whether a…

A: The given thermochemical equation is: C(s) + O2 (g) -----> CO2 (g) ;  ∆Go = - 394 kJ For the…

Q: Suppose that two systems, each composed of two particles repre- sented by circles, have 20 J of…

A: Given data: Two systems, each compound of two particles, represented by the circkes have 20 J of…

Q: represents the change in entropy for a system going from 142 possible microstates to 830 possible…

A: In Boltzmann's definition the entropy is the total numbers of possible microstates. the Boltzmann's…

Q: Calculate the standard entropy of formation of liquid ethanol at 25°C. [S°(Cgraphite) =…

A: If the standard entropies of formation of each substance are known, then the standard entropy change…

Q: Calculate the standard free-energy change (ΔGo) at 25°C for the reaction H2(g)+O2(g) ⇌ H2O2(l)

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Q: Calculate the standard change in Gibbs free energy for the reaction at 25 °C. Refer to the ΔG°f…

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Q: Consider the oxidation of a generic metal M into a metal oxide as shown in the reaction. 3 2 M(s) +…

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Q: Consider the reaction Ca(OH)2(aq) + 2HCl(aq)CaCl2(s) + 2H2O(l) for which H° = -30.20 kJ and S° =…

A: Given reaction is : Ca(OH)2(aq) + 2 HCl(aq)→CaCl2(s) + 2 H2O(l)  H° = -30.20 kJ   S° = 205.9 J/K…

Q: Combustion of glucose (C6H12O6) is the main source of energy for animal cells: C6H12O6(s)+  6O2(g)→…

A: The given combustion reaction is - During the combustion of 1 mole of glucose, 2872 kJ energy is…

Q: Calculate the standard entropy of formation of liquid ethanol

A: Entropy is the randomness or disorder. entropy of formation of reaction is calculated by using the…

Q: Q.6 The standard enthalpy of combustion of solid urea (CO(NH2)2) is -632 kJ mol at 298 K and its…

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Q: 4. The entropy change for the process H2O(s) → H2O(1) is 22.1 J/K and requires that that…

A: Given:  ∆Ssystem = 22.1 J/K  qsystem = -qsurrounding = 6.0 KJ = 6000 J  Temperature (T) = 10°C = 283…

Q: Which of the following reactions is likely to have the most negative change in entropy? NH3(g) b.…

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Q: For the following reactions, indicate whether the entropy of the system increases, decreases, or…

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Q: Combustion of glucose (CH,1206) is the main source of energy for animal cells: CH1206(s) + 602(8) →…

A: Combustion of glucoseC6H12O6s + 6O2g →           6CO2g + 6H2Ol∆Grxn = -2872 kJGibbs energy for the…

Q: Calculate the change in Gibbs free energy for each of the following sets of ΔH∘rxn , ΔS∘rxn , and T.…

A: ΔG∘ = ΔH∘ - TΔS∘

Q: Calculate the standard change in Gibbs free energy of the following reactions at Standard Ambient…

A: At SATP, Pressure, P = 1 atm Temperature, T = 25 °C                          = (25 + 273.15) K…

Q: A reaction has AH = -112 kJ and ASan = 354 J/K. At what temperature is the change in entropy for the…

A: The given data contains, ∆H°reaction=-112 kJ∆S°reaction=354 J/K

Q: In order to be a spontaneous reaction, what has to be true about Gibbs Free Energy?

A: Gibbs free energy of any reaction is defined as the maximum amount of reversible work that may be…

Q: (a) Calculate ΔH0rxn , ΔS0rxn and ΔG0rxn for the reaction A + 3B -> 2P  under standard conditions…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only one question out of…

Q: Which Substance would have the greatest standard molar entropy?   N2(I) NO2(I) NO2(g) N2(g)

A: To find: The substance having the greatest standard molar entropy N2 (I) NO2 (I) NO2 (g) N2 (g)

Q: The entropy change for a reaction is -21.0 J/K.  If delta H is -10.0 kJ/mol, calculate Keq at 100o C…

A: