C (s) + O2 (e) -100 -200 CaO(s) + CO2 (g) 2 (8) -300 CO 2 (8) CaCO3 (s) -400 Gibbs Free Energy (kJ/mol)

Q: Čonsider the reaction of NO and Cl2 to produce NOC1.a) What is AS°(system) for this reaction and…

A: When NO reacts with Cl2 to form NOCl ;  2NO(g) + Cl2 (g) ==> 2 NOCl (g)

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: Consider the following reaction: 2 NO(g)  N2(g) + O2(g) The enthalpy change at 298 K for this…

A: The given equilibrium reaction is  2 NO(g) ---------->  N2(g) + O2(g) The enthalpy change at 298…

Q: Consider the reaction: A + B. When this reaction reaches equilibrium, which quantity equals zero?…

A: Equlibrium is the state of a reversible reaction when the two opposing reactions occurs at the same…

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: Answer:A chemical reaction can only be spontaneous when  is less than zero and value of  is:Here: T…

Q: Consider the reaction 3NO (g) → NO2(g) + N2O (g) a. Using a thermodynamic data table, calculate Go…

A: Given reaction: 3NO (g) → NO2(g) + N2O (g) Given: ∆G∘f(NO2)= 51.84 KJ/mol ∆G∘f(N2O) = 103.59 KJ/mol…

Q: Now calculate the change in entropy (delta S) for the following reaction, using the thermodynamic…

A: Entropy is defined as the measurement of the randomness of the system. It is a state function that…

Q: Given the following table of thermodynamic data,   Substance ΔH∘f(kJ/mol)   S∘(J/mol⋅K)   H2(g)…

A: The "spontaneous reactions" always favor "forward reactions" where more product gets yielded and…

Q: Supposed the reaction: X(s) + 2Y(g) → Z(l) is exothermic. At what temperatures is it spontaneous?…

A: For the reaction., X(s) + 2Y(g) → Z(l)

Q: A flask containing helium gas is released into a closed room.  Which of the following ideas…

A: For the reaction to spontaneous entropy change must be positive .

Q: Refer to Appendix B in your textbook entitled Standard Thermodynamic Values for Selected Substances…

A: Given: 2SO2(g) + O2(g) -----> 2SO3(g) From standard Table:  ∆f H°(SO2(g))     = -296.8 kJ/mol ∆f…

Q: Zn(s) + 2HC1(aq) → ZnCl2 (aq) + H2 (g) + 153kJ For this reaction at 25°C, • Change in enthalpy: […

A: The reaction given is,

Q: 4. A helium-filled balloon spontaneously deflates overnight as He atoms diffuse through the wall of…

A: As bartleby rule I can answer only 1 question please post questions separately. Please don't des…

Q: Select the reaction where work, w, is negative. O a. N₂(g) + 3H2(g)- 2NH3(g) O b. 2H₂(g) +…

A: Work done is negative when work is performed by the system.

Q: A chemist fills a reaction vessel with 2.94 atm nitrogen monoxide (NO) gas, 0.959 atm chlorine (C1₂)…

A:

Q: 17. For the reaction: A + B → C AH°= +300 kJ/mol and AS° = +200 J/K.mol. At what temperature will…

A: Given, ∆H° = 300kJ/mol ∆S° = 200J/K.mol

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: Q1. Since the reaction is endothermic, that means you have to provide heat during the reaction,…

Q: 6. Calculate AG for the combustion of propane. C3H8(g) + 50₂(g) → 3CO₂(g) + 4H₂O(g) C3H8(g) -24.5…

A:

Q: Calculate AS° for the combustion of propane. C3H8(g) + 502(g) → 3CO2(g) + 4H2O(g) Substance C3H8(g)…

A:

Q: Which statement correctly describes the meaning of the value of ΔG°rxn for a reactant-favored…

A: Gibbs free energy is associated with work done

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: A reaction is said to be spontaneous if a change in Gibbs free energy is negative.…

Q: 5. Consider the combustion reaction of octane (C8H18, mol. wt. = 114.23 g/mol, density = 0.703…

A:

Q: Nitrogen trioxide dissociation according to the reaction. N2O3(g) = NO2(g) +NO(g) When one mole of…

A:

Q: Change A chemical reaction between two liquids creates gaseous products. An exothermic chemical…

A: Spontaneity of the reaction can be decided on the basis of the value of Gibbs free energy change and…

Q: Question 2 Indicate whether the following statements are true or false: A. v The entropy of the…

A: A. The Entropy of a system increases for all spontaneous processes. True  An exothermic reaction…

Q: When in 1 atm of pressure, when is the reaction of formation of ozone from oxygen spontaneous? 3 O2…

A: We have to tell given reaction is spontaneous or not

Q: . What is true about the spontaneity of a reaction?     a.When the products have less enthalpy than…

A: In this question, we want to identify correct statement about spontaneity of a reaction. You can see…

Q: Which of the following statements is correct about this reaction at 25°C and 1 atm? NH,NO3(s) → NH,…

A:

Q: For a given reaction, ΔH=69.3kJ/mol, and the reaction is spontaneous at temperatures above the…

A: Given ΔH=69.3kJ/mol T= 464K.

Q: A negative sign for Δ G indicates that, at constant T and P,  Select one: a. the reaction is…

A: The change in Gibbs Free Energy for a process is given by ∆G which is the difference between the…

Q: When crystalline solid barium hydroxide octahydrate and crystalline solid ammonium nitrate are…

A: Recall the following relation     ∆G=∆H-T∆SFor any spontaneous process, ∆G<0  and for exothermic…

Q: Calculate ΔSsurr at the indicated temperature for each reaction.a. ΔH °rxn = -385 kJ; 298 K b. ΔH…

A: "Since there are multiple sub-parts in this question and it is not mentioned that which one has to…

Q: Which of the following phase changes is not spontaneous at room temperature? Assume only the first…

A: Correct answer is (D) H₂O(g) → H₂O(s) At room temperature steam cannot convert into solid phase, so…

Q: For the synthesis of nitrogen dioxide, NO2: 2N2(g) + O2(g) →2NO2(g) this reaction has the energy…

A: The equilibrium reaction taking place is given as, => N2 (g) + 2 O2 (g) -------> 2 NO2 (g)…

Q: 1. A potential chemical reaction at 25.0 °C has a ΔHrxn of 147.5 kJ and a ΔSrxn of -386.9 J/K. What…

A:

Q: A key step in the production of sulfuric acid is the oxidation of SO2(g) to SO3(g): 2SO2(g) + O2(g)…

A: Reaction is said to be spontaneous if the change in Gibbs free energy comes out to be negative. The…

Q: 1. When work is done on the system (+∆G) to bring it into an ordered state (-∆S) which of the…

A: Interpretation: The given question are to be solved.

Q: 1. A potential chemical reaction at 25.0 °C has a ΔHrxn of 147.5 kJ and a ΔSrxn of -386.9 J/K. What…

A: Given, Temperature, T = 25oC = (25 + 273.15) K = 298.15 K △Srxn = –386.9 J/K △Hrxn = 147.5 kJ =…

Q: Which of the following are spontaneous? a. a house being built b.a satelite is launched into orbit…

A: The processes that occur on their own to attain a more stable state without any external efforts are…

Q: substance has the higher entropy?

A: Sample of pure silicon have less entropy becuz it's contains only one constituents while Si+P+B have…

Q: Sublimation is an example of a process for which a. ΔH is negative and ΔS is positive at all…

A: Sublimation is a process where a solid directly changes to a gas. We know the gas has much more…

Q: ∆G for the reaction corresponds to the difference between the top left of the curve and the bottom…

A: ∆G is the change in free energy change in every chemical reaction. The change in free energy can be…

Q: . If the 1st statement is false and the 2nd is true C. If the 1st statement is true and the 2nd is…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: Consider the reaction Cl2(g) + Br2(g) → 2 BRCI(g) at 25 °C. The entropy change for the reaction is…

A: