For the reaction: A + B ⇌ C + D ΔH° = –40 kJ/mol and ΔS° = –50 J/mol·K. The reaction under standard conditions is considered: a.spontaneous in the forward direction at all temperatures. b.spontaneous in the reverse direction only at temperatures greater than 600 K. c.spontaneous in the forward direction only at temperatures greater than 800 K. d.spontaneous in the reverse direction only at temperatures greater than 800 K.

Q: 2Al(s) + 3C12(g) -> 2AICI3(s) The above reaction is not spontaneous under standard conditions, but…

A: Answer

Q: If a certain process has ΔS univ > 0 at 25°C, the process may be described as   A. Spontaneous.…

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Q: 6. At a constant pressure the following reaction is exothermic: 2 NOe) → N;Oe)- Which of the…

A: 2 NO2(g) ---> N2O4(g) This Reaction is exothermic (at constant pressure ). The reaction is…

Q: 1. Identify the substance with higher entropy. Explain your choice. a. CO2(s) at 398 K or CO2(g) at…

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Q: Which process is spontaneous at 298 K? H2O(g, 1 atm) a. H20(1) – b. H20(1) c. H20(1) - H,O(g, 0.10…

A: To find: The process which is spontaneous at 298K

Q: For the reaction, A,H°= -26.9 kJ mol-' and A,S°= 11.3 JK-' mol-1. Wha is A,G° (in kJ mol-1) at 25°C?…

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Q: Which of the following temperatures will result in a spontaneous reaction if the ΔH°rxn = –3.24…

A: Spontaneous reaction can be defined as the reaction that occur by itself without the help of any…

Q: Consider this reaction occurring at 298 K:BaCO3(s)<----->BaO(s) + CO2( g)a. Show that the…

A: a. ΔG°rxn is +ve. therefore, the reaction is not spontaneous.

Q: The decomposition of hydrogen peroxide, H2O2, to gaseous O2 and water is a spontaneous process, yet…

A: The decomposition of hydrogen peroxide, H2O2, to gaseous O2 and water is a spontaneous process, yet…

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

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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: Consider the reaction: 2 A (s) + 10.4 kJ ------ 2 B (s) + 3 C (g), at what temperature(s) would you…

A: For any reaction to be spontaneous, its Gibbs energy must be negative i.e below 0. Here, the…

Q: Which of the following temperatures will result in a spontaneous reaction if the ΔH°rxn = –3.24…

A: As we know , ∆G° = ∆H° - T∆S° For spontaneous reaction ∆G° should be negative. ∆G° &lt; 0 ∆H° - T∆S°…

Q: 1. Determine the equilibrium constant for the conversion of oxygen to ozone at 2,000 K. 3 02 (g) = 2…

A: Expression used to find Keq from Delta G R = Universal gas constant  T = Temperature = 2000 K…

Q: 1.Which of the following statements are true for the reaction: I2e) → I. AH is positive II. AH is…

A: I2(g) ----&gt; 2I(g)

Q: Consider the reaction:           2SO2(g) 2SO3(g)   for which ΔH° = –200. kJ and ΔS° = –186.8 J/K…

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Q: When H2 > H1 then A. G2 S1 D. reaction is spontaneous

A: When H2 &gt; H1 then correct option is = ?

Q: spontaneous

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Q: For each reaction, calculate AHan ASn and AGan at 25 "C and state whether or not the reaction is…

A: Standard heat of formation of N2O4 (ΔHfo) = 9.16 KJ/mol. Standard heat of formation of NO2 (ΔHfo) =…

Q: One of the following processes is spontaneous at 298 K Which one? 1. H2O(l)-H2O(g, 1 atm) 2.…

A: One of the following processes that is spontaneous at 298 K is to be determined.

Q: The following reaction takes place at 120°C: H 2O( l) →H 2O( g)     Δ H = 44.0 kJ/mol   Δ S = 0.119…

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Q: A student calculated that for a given reaction, ΔS = 22 J/K and ΔH = 6,028 Joules. At which…

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Q: If ΔG0 = −106 kJ/mol for this reaction at 298K, what is the Keq at this temperature? Recall: R =…

A: The relation between ∆G° and equilibrium constant,Keq,is given by the equation :…

Q: Which process is spontaneous at 298 K?a. H2O(l )---&gt;H2O(g, 1 atm)b. H2O(l )---&gt;H2O(g, 0.10…

A: To identify the spontaneous process at 298 K a. H2O(l )---&gt;H2O(g, 1 atm)b. H2O(l )---&gt;H2O(g,…

Q: What is the value of ΔG when ΔH= -22 kJ/mol and ΔS= -54 J/mol•K at 280°C?   A. -38 kJ/mol B. 38…

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

Q: 1.With respect to the system only, a reaction with ΔH < 0 and ΔS < 0 is predicted to be ___________.…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 17. For the reaction: A + B C AH°= +45 kJ/mol and AS° = +60 J/K.mol. At what temperature will this…

A: For the reaction: A + B  →C ∆H°= +45 kJ/mol ∆S° = +60 J/K.mol.  For a spontanseous reaction ∆G°&lt;0…

Q: Indicate whether each process is spontaneous or nonspontaneous. a. water vapor condensing at 50 °C…

A: Answers are explained below.

Q: For the reaction of gaseous substances with increasing gaseous molecules (from reactant to product…

A: For the reaction of gaseous substances with increasing gaseous molecules (from reactant to product…

Q: 14. At what temperatures will a reaction be spontaneous if A,H=+117 kJ and AS -35 J/K? The reaction…

A: Answer:When during the reaction energy of the system decreases then reaction is called as enthalpy…

Q: Identify whether each process is spontaneous or non-spontaneous. 1. Silverwares tarnish when exposed…

A: 1. Silverware tarnish when exposed to air. This process is Non-spontaneous.

Q: Would conditions of +ΔH and -ΔS favor a spontaneous or non-spontaneous reaction? Why? Select one:…

A: Given : ΔH of the reaction is +ve. And ΔS of the reaction is -ve.

Q: Predict the conditions (high temperature, low temperature, all temperatures, or no temperatures)…

A: The sponatneity of the reaction is measured in terms of the gibbs free energy. The gibbs free energy…

Q: 1. For the reaction A + B → C + D, ΔH° = +40 kJ and ΔS° = +50 J/K.  Therefore, the reaction under…

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