For each of the following pairs of substances, which substance has the greater value of Sº? a. Pwhite (8) and Pred (s) OP white (8) OPred (8) b. Br₂ (1) and Br2 (9) OBr₂ (1) OBr₂ (9) c. CO₂ (s) and CO2 (g) OCO₂ (s) OCO₂(g)

Q: The Keq of a reaction is exactly 1. This means... *

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Q: Calculate AS for the following changes. a. SnCl4 (→ SnCl4 (g) b. CS₂ (g) → CS₂ (1) c. Cu (s) → Cu…

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

Q: Determine the Sign of #H?

A: Answer Sign of H for a reaction

Q: If A G°rxn is 10.9 kJ/mol, determine A Gn at 525 K, when TİCI4(g) = %3D 0.500 atm. TİCIĄ(liq) →…

A: Given that : ∆G°rxn=10.9 kJ/molTemperature (T)=525 KPressure (P) The given reaction is :

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A: Concept:  Entropy change for a reaction: If in any reaction number of components decrease then sign…

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Q: 6. A reaction has a AH° of -29 kJ and AS° is -60. J/K. Calculate the temperatu from spontaneous to…

A: Spontaneous reactions are those reactions which proceed on their own without any external force.…

Q: The value of ΔH° for the following reaction is 172.7 kJ. The value of ΔH°f for CaO(s) is __________…

A: We have given that  The value of ΔH° for the following reaction is 172.7 kJ. The value of ΔH°f for…

Q: For the reaction 2CO(g)   +   O2(g)   ---------->   2CO2(g)      ΔHorxn = -566.0 kJ ΔSsys is…

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Q: f AH for the process H20(g) H2O(1) is:

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Q: Calculate the ÄE°rxn for the decomposition of calcium carbonate to calcium oxide and carbon dioxide.…

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

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Q: Write an equation for the formation of each compound from itselements in their standard states, and…

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Q: Which of the following processes will have a ΔH value with a negative sign?     A. The boiling…

A: Acid base reaction is exothermic.

Q: Write an equation for the formation of each compound from its elements in their standard states, and…

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Q: 4. Using the tabulated values, calculate AS for the following reactions (Table on the next page): a.…

A: Answer:Here: ai and bi are the stoichiometric coefficients

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A: The explanation is as given below:

Q: Dissolution of Ammonium Nitrate mass of water: 200 g initial temperature of water: 20°C final…

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A: a)The balanced equation for given reaction is as follows,

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Q: General Chemistry student performed the “Thermochemistry” lab and obtained the following results:…

A: The mass of KCl is 5.550 g. The volume of water is 0.0450 L. The value of ∆T is -15.0 C.

Q: If A G°rxn is 10.9 kJ/mol, determine A Gxn at 525 K, when TiCI4(g) = 0.500 atm. TİCIĄ(liq) TiCla(g)…

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Q: Dissolution of Ammonium Nitrate mass of water: 200 g   initial temperature of water: 20°C final…

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Q: 1.) The enthalpy of formation of BaCl2(s) is -858.6 kJ/mol, which of the following st

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Q: the AH°, ΔSO.

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Q: 57. Find A.Sº for the formation of CH₂Cl2 (g) from its gaseous elements in their standard states.…

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Q: Determine AG for the reaction: 2C0(g) + 2H2(g)→ CO2(g) + CH4(g) AH = -247.3 kJ/mol ASO = -256.5…

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Q: For which of the following reactions is ΔSo a positive value?

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Q: Calculate AS for the following reaction using the table below: O2 (g) + N2 (g) = 2 NO (g)

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

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Q: Consider the following reaction at 25 °C: 3 Ni(s) + N2(g) + 3 H,0(g) → 3 NiO(s) + 2 NH3(g) Given the…

A: ∆H = 391.3 kJ/mol

Q: deltaS

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Q: Identify each energy exchange as primarily heat or work anddetermine the sign of ∆E (positive or…

A: Interpretation: The sign of ∆E (positive or negative) for the system is to be determined.

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Q: 17. For which one of the following reactions or processes is AH positive? I. water freezes II. H2(g)…

A: Water freezes is exothermic therefore ΔH negative

Q: 24. Consider the following thermochemical equation sometimes used for H2S production: S8(s) + 8…

A: The given reaction is :  S8(s) + 8H2(g) = 8H2S(g)  ∆Hrxn = -20.2 kJ  From the reaction it is clear…