Describe how you would expect the spontaneity (ΔG °) for each of the following reactions to behave with a change of temperature. (a) Phosgene, COCl2, the starting material for the preparation of polyurethane plastics, decomposes as follows: COCl2(g) = CO(g) + Cl2(g) (b) Chlorine is added to ethylene to produce dichloroethane, a solvent: Cl2(g) + C2H4(g)= C2H4Cl2(l)

Q: The dissolution of ammonium nitrate occurs spontaneously in water at 25 °C. As ammonium nitrate…

A: On dissolution, the temperature of the reaction decreases which means that the reaction is…

Q: The reaction (Tindak balas): N2 (g) + 3H2 (g) ⇌ 2NH3 (g) Given (Diberikan): ΔH = 92.22 kJ/mol ΔS =…

A: Given: ∆H = 92.22 kJ/mol = 92.22×103 J/mol ∆S = -198.75 J/K•mol

Q: In the presence of excess oxygen, methane gas burns in a constant-pressure system to yield carbon…

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Q: For the reaction CO + H0 (g) - CO 2(g) + H. 2(g) , calculate the following reaction's thermodynamic…

A: Given:- CO(g) + H2O(g)-‐----------->CO2(g) + H2(g) We have to calculate Delta H° for this…

Q: Which would describe an exothermic reaction which undergoes an increase in entropy? O AHxn 0 and ASn…

A: We are given two questions , one is based on thermodynamics of reaction and the another one is on…

Q: A possible reaction for converting methanol to ethanol is; CO(g)  +  2H2(g) +   CH3OH(g)…

A:

Q: 8. Assuming AS° and AH° do not vary with temperature, at what temperature will the reaction shown…

A: The solution is as follows :

Q: The rusting of iron is an exothermic reaction, 4 Fe (s) + 3 O₂ (g) → 2 Fe₂O₃ (s). When the coatings…

A: As given Rusting of Iron is exothermic process 4Fe(s)+3O2(g)→2Fe2O3(s)+ energy now as we are are…

Q: When is the reaction of silver chloride forming spontaneous? Ag+ (aq)  +  Cl–   (aq)     →     AgCl…

A:

Q: The dissolution of ammonium chloride occurs spontaneously in water at 25 °C. As NH4CI dissolves, the…

A:

Q: 4. A reaction that is spontaneous as written a. is very rapid b. will proceed without outside…

A: Spontaneous reactions are those which occur very easily in the nature and the reaction carried out…

Q: When a AH>0 and TAS<0 the reaction will be: a. system is an equilibrium not spontaneous spontaneous…

A:

Q: Consider this hypothetical chemical reaction. A(s) + B(g) 2C(g) Which of the following changes will…

A: We can find the spontaneity of the reaction in forward direction by using Le-Chatelier's principle.…

Q: 5) Predict the direction of the entropy change in each of the following reactions (i.e. write either…

A: Entropy is measure of randomness of the particle / molecule or substance.

Q: 46. Which of the following involves a decrease in entropy? A) the sublimation of solid CO2 into CO2…

A: The correct answer about entropy is given below

Q: What is the difference between ΔS, ΔS°, and ΔS°298 for a chemical change?

A: In a chemical reaction, the reactants are changed to products. This involves the change in some…

Q: reaction has the following thermochemical values at 273.15 K: ΔH = -184.8 kJ mol-1 ΔS = -166.6 J…

A: Given,  ΔH = -184.8 kJ mol-1 ΔS = -166.6 J mol-1K-1 Temperature = 273.15 K

Q: 12) Above what temperature does the following reaction become nonspontaneous? 2 H2S(g) + 3 O2(g) → 2…

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Q: At what temperatures is the following reaction spontaneous: HCI (g) + NH3 (g) → NHẠCI (s) + heat…

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Q: C (diamond) -------> C (graphite)

A: Calculate ΔGo for the process conversion of C(diamond) into C(graphite). ΔGo is the Gibbs free…

Q: 1: Above what temperature does the following reaction become nonspontaneous? FeO(s) + CO(g) → →…

A:

Q: A spontaneous reaction does not require external stimuli. O True O False

A: A spontaneous reaction doesn't requires any stimulus. They are also known as natural processes…

Q: A spontaneous reaction requires external stimuli. O True O False

A: We have been asked whether spontaneous Reaction reacquire external force

Q: Select all of the following reactions that would be expected to provide a negative change in…

A: if the value of ∆ng is positive then ∆S will also have positive value  if the value of ∆ng is…

Q: Consider a preparation of hydrogen that involves the reaction between carbon monoxide, CO and steam…

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Q: Direction: Identify whether each process is spontaneous or non-spontaneous A spoon dipped in…

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

Q: Calculate the equilibrium constant for this reaction at 298 K. Express your answer using two…

A: The question is based on the concept of chemical thermodynamics. we have to calculate equilibrium…

Q: Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction:

A: The given reaction is as follows:

Q: Which of the following processes are spontaneous: the reaction of hydrogen gas with oxygen gas to…

A: A reaction is considered as spontaneous when it releases free energy and it favors the formation of…

Q: Given the following information at 25°C, calculate AG" at 25°C for the reaction 2A(9) + B(9) → 3C()…

A: ∆G° = ∆H° - T∆S°were,∆G° =standard gibb's free energy ∆H° = standard enthalpy T = temperature∆S° =…

Q: A possible reaction for converting methanol to ethanol is; CO(g)  +  2H2(g) +   CH3OH(g)        -><-…

A:

Q: The decomposition of calcium carbonate is given by the reaction, CaCO3(s) → CaO(s) + CO2(g).…

A: (a)The reaction for the decomposition of one mole of calcium carbonate is obtained by reversing the…

Q: 11. Calculate AG° for the process, C(diamond) = C(graphite). Is the formation of graphite from…

A:

Q: A non spontaneous reaction does not require external stimuli. O True O False

A: Spontaneous process is defined as the process which occur without any external stimuli and occur in…

Q: Predict whether each process is spontaneous as described, spontaneous in the reverse direction, or…

A: A reaction is spontaneous if ∆S is positive. Entropy (S) is the measure of degree of randomness.…

Q: Reactions between acids and bases (neutralization reactions) are exothermic. You have a solution of…

A: Given : Neutralisation reactions i.e reactions between acids and bases are exothermic in nature. You…

Q: Predict the sign of ΔSsys for each of the following processes:(a) Molten gold solidifies. (b)…

A: Entropy of any system is defined as degree of randomness present in that system. So as randomness…

Q: Use the data in the table shown below and the following reaction to answer the questions below. a.…

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

Q: A) The reaction is reactant favored and non-spontaneous. B) The reaction is product favored and…

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Q: What is the value of Q when each reactant and product is in its standard state?

A: Reaction quotient Q:          It tells about the relative amounts of products and reactants present…

Q: When wine spoils, ethanol is oxidized to acetic acid as oxygen from the air dissolves in the wine.…

A: The given reaction is : C2H5OH (aq) + O2 (aq) ⇌ CH3COOH (aq) + H2O (ℓ) Value of equilibrium constant…

Q: . Calculate A,G° for the decomposition of sulfur trioxide to sulfur dioxide and oxygen. 2 SOs(g) = 2…

A: 2 SO3 (g) ==&gt; 2 SO2 (g) + O2 (g)

Q: For a certain equilibrium reaction, the following data are given AH = -57.2 kJ/mol K = 1.2 x 104…

A: ∆H = -57.2 KJ/mol.  K = 1.2 × 104  The statements supported by the given data  = ?

Q: Classify each process as spontaneous or nonspontaneous. Spontaneous Nonspontaneous Answer Bank A…

A: Spontaneous process :- A process which takes place on its own without the need of any external…

Q: At 298 K, the formation of ammonia has a negative ∆S0sys. Calculate ∆Ssurr               N2(g) +…

A: The balanced thermodynamic reaction given is  N2 (g) + 3 H2 (g) → 2 NH3 (g) ∆S°sys = – 197 J/K

Q: Which of the following processes are spontaneous?  Spreading a fragrance of perfume through a room.…

A: Spontaneous reaction: The process which does not need any external energy for the initiation of the…

Q: Sort the following statements about spontaneity into either the TRUE or FALSE category.

A: Spontaneous processes proceed without any interference of external forces. Though some external…

Q: Below what temperature does the following reaction become nonspontaneous? 2 HNO3(aq) + NO(g) • 3…

A:

Q: Below

A: Here, you can see both values of ∆H and ∆S are positive so if temperature is low then Reaction is…