Consider the following reaction: CAF2 (s) + H2SO4 (1) → 2 HF (g) + CasO4 (s) AG = -8.48 kJ/mol at 450 K A mixture of calcium fluoride and sulfuric acid are allowed to react at 450 K. If AG is -5.6 kJ/mol, calculate the concentration of HF to two decimal places.

Q: Question 18 of 25 Which law states that the entropy of a perfect crystalline substance is zero at…

A: Answer  The entropy of perfect crystalline substance is zero at the…

Q: Consider the process of water boiling in a beaker that is open to the atmosphere. Which of the…

A: In the given question, we are boiling water in a beaker and then have to see its thermodynamic…

Q: Which of the following reactions is/are spontaneous? a) Separation of N2 and O2 molecules in air…

A: Since you have posted multiple sub-parts, the answer for first three parts are given below. Kindly…

Q: When is the reaction of formation of ozone from oxygen spontaneous?  (At 1 atm pressure. We are not…

A: The given reaction is,  3 O2 (g)     →     2 O3 (g)  The delta H of this reaction is 427 kJ/mol.

Q: Identify whether each process is spontaneous or non-spontaneous. 1. A spoon dipped in boiling water…

A: A process which take place by itself or has a tendency to take place is called spontaneous process.…

Q: Consider the reaction H2O2(l)→ H2O (I) + ½ O2 (9) If the free energy change (AG) associated with the…

A:

Q: The standard reaction free energy AG =-910. kJ for this reaction: 6C(s) + 6 H2(g) +…

A: The given reaction is as follows: 6C(s) + 6H2(g) + 3O2(g) → C6H12O6(s)                      ∆G°=-910…

Q: For the reaction below, which statement best describes what is happening with the sign of AGO CrP…

A: The chemical equation may be written as: CrPO4(s) + 3NaCl(aq)→ CrCl3(aq) + Na3PO4(aq) Number of ions…

Q: Direction: Identify whether each process is spontaneous or non-spontaneous The action of toilet…

A:

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: In the figure below, the standard free energy change is plotted in function of the temperature for…

A: Interpretation -  In this given figure below the standard free energy change is plotted in function…

Q: For a certain reaction, ΔH = -35.4 kJ/mol and ΔS = -85.5 J/K mol. Is this reaction endothermic or…

A:

Q: Consider the following reaction at 25 °C: 3 NiO(s) + 2 NH₃(g) → 3 Ni(s) + N₂(g) + 3 H₂O(g) a.Given…

A: Since you have posted question with multiple subparts as per guidelines we can not answer more than…

Q: For the reaction H2(g) + S(s) --> H2S(g), ΔH° = -20.2 kJ/mol and ΔS° = +43.1 J/K·mol. Which of…

A: Given: ΔH° = -20.2 kJ/mol  ΔS° = +43.1 J/K·mol   Chemical reaction: H2(g) + S(s) → H2S(g)

Q: Consider the following reaction: CaCO3 (s) CaO (s) + CO2 (g) ΔΗ = + 177.8 kJ According to Le…

A: According to Le Chatelier's principle, if the equilibrium is disturbed by any factor then the…

Q: Consider the following thermochemical equation: H2O2(1) H2O(1) + %02(g) AH= -98.2 kJ When is this…

A:

Q: Which of the following processes are spontaneous?   air escaping a balloon   combustion of natural…

A: Here we consider the differences between two types of changes in a system, those that occur…

Q: For the reaction below, which statement best describes what is happening with the sign of ΔG0? CrP…

A:

Q: Determine if each of the following processes is spontaneous or nonspontaneous. 1) water evaporating…

A: A spontaneous process is one that occurs without any external effort mainly because the reactants…

Q: The standard reaction free energy AG = 1100. kJ for this reaction: 4 PCI,(9)→P,(9) + 6 Cl,(9) Use…

A: The free energy change for a reaction is an extensive property and it depends on the stoichiometric…

Q: Two gases react to form a solid and release heat in the process. which action below would make this…

A: Given reaction,    Two gases react to form a solid and release heat in the process.

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

A:

Q: Which process will result in an increase in entropy: a.) 2NO2(g) ---> N2O4(g) b.) H₂O(l)---> H₂O(s)…

A: Since, Entropy is a thermodynamic quantity. It measure the randomness. If randomness is more then…

Q: For the reaction below, which statement best describes what is happening with the sign of AGO? 2 Cu…

A: In this reaction change in entropy is negative beacuse no of particle decreasing  And ∆H is negative…

Q: Which of the following processes are spontaneous?(a) Earth moves around the Sun. (b) A boulder rolls…

A: Non spontaneous process sun and the earth are attracted to each other due to the gravitational…

Q: The standard enthalpy change and standard entropy change for the reaction are: A,HP = -666.2 kJ…

A: The spontaneous nature of the reaction is determined by calculating the change of free energy of the…

Q: 9. The equilibrium constant for a particular reaction decreases as temperature increases. Use this…

A: As we know that equilibrium constant is only a function of temperature. according to the le…

Q: Suppose a reaction has DH > 0 and DS > 0; that is, both enthalpy and entropy changes have positive…

A: The Gibbs-Helmholtz equation is: ∆G = ∆H - T∆S.  If ∆G is negative then the reaction will be…

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: Acctone, OCH, Is a fragrant liquid solvent for lacquers, paint removers, and nail polish remover. It…

A: Welcome to bartleby ! We have to calculate standard free energy of formation of acetone

Q: For the reaction below, which statement best describes what is happening with the sign of AGO? NagP…

A: the reaction given is exothermic that means the change in enthalpy is -ve . now the entropy change…

Q: AH = 439. kJ J AS = 1285. K 4H,PO, (s) - P,0,(s) + 6H,0(1) AG = kJ Which is spontaneous? this…

A: ∆G = ∆H - T.∆S  By using this formula we can the ∆G and ∆S value . When the value of ; ∆G < 0 :…

Q: For the reaction 2NO(g) + 2H2(g)N2(g) + 2H2O(l) H° = -752.2 kJ and S° = -351.6 J/K The standard…

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

Q: The process of iron being oxidized to iron(II) oxide (rust) is spontaneous. Which of these…

A: The true statement has to be given,

Q: What values of reaction enthalpy and entropy would indicate that a reaction is spontaneous at all…

A: Given here some values of enthalpy and entropy of reaction and we areasked for which value of…

Q: If a reaction is exothermic and its entropy change is positive, which statement is true? (a) The…

A: A chemical reaction in which heat is liberated is called an exothermic reaction. For an exothermic…

Q: 8. Gaseous nitrosyl bromide, NOBr, is formed by the reaction 2NO(g) + Br,(g)2 2NOB1(g) At 25°C, the…

A: Reaction quotient is the ratio of concentrations/ pressure of products to concentrations/pressure of…

Q: Consider the following diagram of free energy (G) versus fraction of A reacted in terms of moles for…

A: The change in Gibbs free energy determines the spontaneity of the reaction. If its value is…

Q: 4 Fe(s) + 3 0 2(g) →2 Fe 20 3(s) Which of the following correctly describes this process? O This…

A:

Q: For a reaction whose K is 0, what can be assumed about the final equilibrium when it is achieved? O…

A: Given,  The value of K = 0

Q: Here again is the balanced equation for the formation of hydrogen gas (H2(g)) that took place in the…

A: Any reaction whether it will be spontaneous or not can be known from the change its Gibbs free…

Q: The reaction, Fe203(s) + 3C(s) → 2Fe(s) + 3CO(g) AH° = +490.7 kJ, AS° = +541 J.K-1 This reaction is…

A: A particular reaction would be spontaneous, if the gibbs free energy change of the reaction becomes…

Q: A free energy diagram for the reaction A E is shown below: (products) G" (reactants) Reactants…

A: Some characteristics of a reaction with reaction quotient Q and equilibrium constant Keq are: If…

Q: QUESTION 11 For the reaction H 2(g) + S(s) H 2S(g), AH° = -20.2 kJ/mol and AS° = +43.1 J/K mol.…

A: The given chemical reaction is,H2 (g) + S (s) → H2S (g) Given:  ∆H° = -20.2 kJ/mol…

Q: The standard reaction free energy AG" 193. kJ for this reaction: 2 NH3(g)N,H(9) + H,(g) Use this…

A: The given chemical equation: 2NH3 (g) → N2H4 (g) + H2 (g)         ∆G° = 193 kJ   Note:- When a…

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: C3H8 (g) + 502 (g) --> 3CO2 (g) + 4H2O (g) + 2200 k) Given the above equation, which statement is…

A:

Q: What is delta G for this reaction in kJ/mol?

A: Given :-     K = 81.7                    T = 25°C  To calculate :- ∆G (in kJ/mol) ∆G= -RTlnk

Q: Under what conditions is N2 O3(g) ⟶ NO(g) + NO2(g) spontaneous?

A: to calculate spontaneity of reaction we have the formula ∆G°298 =∆H-T∆S° where, ∆H= change in…

Q: reaction

A: ∆G value is negative then spontaneous and of positive then non-spontaneous  ∆H = -ve ( because of…