At 869 K, ΔGo equals -82.7 kJ for the reaction, Cl2(g) <=> 2 Cl(g).  Calculate the value of ln K for the reaction at this temperature to one decimal place.

Q: alculate the standard change in Gibbs free energy for the reaction at 25 °C. Standard Gibbs free…

A: Standard gibbs free energy for the above reaction is

Q: Q1.) For a certain chemical reaction, ΔH∘ = - 35.4 kJ and ΔS∘ = - 88.0 J/K 1. Exothermic or…

A: Answer 1: Exothermic or Endothermic? ΔH∘, represent heat content of the system which is expressed by…

Q: For a particular reaction at 212.7 °C, ΔG=−843.71 kJ, and ΔS=603.37 J/K. Calculate ΔG for this…

A: Given : At temperature 212.7 °C, ΔG = -843.71 KJ = -843710 J…

Q: (a) If K &lt;&lt; 1 for a reaction, what do you know about the sign and magnitude of ΔG°? (b) If ΔG…

A: The relation between the equilibrium constant and standard Gibbs free energy is: ΔGo=-RT × ln K…

Q: For the following reaction:    H° = -1037 kJ and S° = -153 J/K Calculate G° at 25°C for this…

A: Given that : H° = -1037 kJ = -1037000 J and S° = -153 J/K We have to calculate G° at T = 25°C = 298…

Q: For the reaction below, determine the difference in relevant particles that allow for determination…

A: To determine the difference in the relevant particles that allow for determination in the sign of…

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: Decomposition of CaCO3(s) into CaO(s) and CO2(g), ΔHᵒ 25ᵒ = 178 kJ

A: Decomposition reaction CaCO3 (s)    →              CaO(s)  +  CO2(g)        ΔH = +178 kJ…

Q: For the reaction below, determine the difference in relevant particles that allow for determination…

A: Entropy is the change of degree of randomness in a system. If randomness increases, entropy…

Q: After a snowfall the snow compacts and when the sun shines on it, it sublimes readily.  What is the…

A: Given :  After a snowfall the snow compacts and when the sun shines on it, it sublimes readily.…

Q: An ice cube at 0 Celcius melts when placed inside a room at 22 Celcius. Based on the concepts of…

A: Melting of ice requires energy to melt. So it is an endothermic process. The process in which energy…

Q: Which of the following reactions correctly depict reactants and products in the correct state to…

A: In the reaction, states of matter was written as a subscript to the molecules which takes part in…

Q: Consider the reaction: 2KClO3(s)~2KCl(s)+3O2(g) At a standard state, △G for the reaction is -35kJ.…

A: The value of gibbs free energy change helps us to find if the reaction at a particular temperature…

Q: A certain reaction has a positive value of enthalpy change. Which of the following statements is/are…

A:

Q: At 25°C, a reaction undergoes an enthalpy change of −27.0 kJ mol^−1 and an entropy change of 27.0 J…

A: Enthalpy change (∆H) = -27.0 KJ mol-1 ...Or because 1KJ = 1000 J    .....so, -27.0 KJ mol-1 × (1000…

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: Above what temperature does the following reaction become nonspontaneous? 2 H2S(g) +3 02(g) - 2…

A: Given, The balanced chemical equation is given below, 2H2O(g)+3O2(g)→2SO2(g)+2H2O(g) Then, ∆H=-1036…

Q: A student studies a reaction under various conditions and determines that it is exothermic and…

A: Sign of ∆H and ∆S can be determined from given information about reaction and its sponateity…

Q: Above what temperature does the following reaction become nonspontaneous? N204(9) + 4 H2(g) → N2(9)…

A:

Q: (a) If K&lt;&lt;1 for a reaction, what do you know about the sign and magnitude of ΔG°? (b) If Δ…

A: a) For the reaction K&lt;&lt;1, the sign and magnitude of ∆G0 is predicted as shown below,

Q: he Keq of a reaction is 4 x 10⁻⁷. At equilibrium, the... * reactants are favored…

A: The value of the equilibrium tells us whether the reactants are favored or the products are…

Q: 2. Calculate the temperature in which the following reactions become spontaneous. b) Reaction B: AH…

A:

Q: What are the three different methods to calculate ΔG° for a reaction? Which method would you choose…

A: The change in Gibbs free energy is used for determining the direction of a chemical reaction when…

Q: What is the entropy change (in J/K) associated with the formation of 15.0 g of SO2 for the reaction…

A:

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

A:

Q: Calculate AH° for the reaction: Na,0(s) + SO;(g) – Na,SO,(g) given the following information: AH°…

A:

Q: (C2H5OH ) +(H2) →(CH3CHO) (AS = 114.2 J/K),(AH = 68.95 KJ/K ) %3D Calculate AG for this reaction at…

A:

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

A: Any reaction is considered to be spontaneous only when there is increase in randomness of molecules.…

Q: Using enthalpies of formation (See the Supplemental Data), calculate ΔH° (in kJ) for the following…

A:

Q: An ice cube at 0 C melts when placed inside a room at 22 C (295 K). Based on the concepts of…

A: We need to identify the concept of spontaneity behind melting of ice according to thermodynamics.

Q: Which reaction is most likely to have a decrease in entropy? O NaCl(s) → Na*(aq) + Cl(aq) O 2 NH3(g)…

A: When the reaction shows the positive entropy change then the reaction is spontaneous.

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

A:

Q: A reaction has the following thermochemical values at 263.15 K: ΔH = -196.8 kJ mol-1 ΔS = -168.7 J…

A: Given for a reaction  delta H = -196.8 KJ mol-1  delta S = -168.7 JK-1 mol-1 Temperature  = 263.15 K…

Q: You are working in a lab and observing a reaction. If a reaction vessel is cold to touch and the…

A: A question about thermodynamics, which is to be accomplished.

Q: Given the ∆H°f, calculate the ∆H°rxn for the formation of diamond from graphite.  ∆H°f (C, graphite)…

A: The reaction is  C (graphite) -----&gt; C (diamond) Since the ∆H°rxn = ∆H°f of products - ∆H°f  of…

Q: At 313 K, ΔGo equals -95 kJ for the reaction, 2 Cl(g) Cl2(g). Calculate the value of ln K for the…

A:

Q: Use the Thermodynamic Quantities Table in your text (Appendix C) to calculate the equilibrium…

A: Given:  The reaction equation is given as -                                                  N2 (g)…

Q: For the oxidation of iron to form iron(III) oxide: 4Fe(s) + 3O2(g) ⟷⟷ 2Fe2O3(s)…

A: ΔSo = –549.73 J∙K–1 T = 298K ΔH = –824.2 kJ∙mol–1 = -824200 Jmol-1

Q: The standard enthalpy change for the following reaction is 433 kJ at 298 K. KClO4(s)----&gt;  K(s) +…

A: For the given reaction, the standard enthalpy change is 433 kJ at 298 K is : KClO4 (s) → K (s) + 1/2…

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

A: The given reaction is as follows:

Q: Above what temperature (in Kelvin) does the following reaction become nonspontaneous?   FeO(s) +…

A: if ΔH and ΔS are both negative , so spontaneous at low temperature , non spontaneous at high temp.…

Q: Consider the reaction: N2(g) +  F2(g) →  NF3(g)  , ΔH° = -249 kJ and ΔS° = -278 J/K   at 25°C…

A: We have to calculate ∆G∘ for the reaction and have to determine whether the equilibrium composition…

Q: N2(g) + O2(g) + Cl2(g) ---------> 2 NOCl(g)        ΔH° = 103  kJ What is the standard enthalpy…

A: The answer to the following question is- Given  The reaction : Equation 1) N2(g) + O2(g) + Cl2(g)…

Q: C6H12O6(s)+ 6 02(g) 6 CO2(g) + 6 H2O(g) AS ran = +900. J/(mol,n K) Substance Approximate S (J/(mol…

A: We have to tell which option is correct

Q: Calculate ΔS° for each of the following reactions. Explain the sign of ΔS° based on the molecular…

A: a)   N2H4(g) + H2(g) ⇌ 2 NH3(g) Standard entropy for N2H4(g) = 238.36 J/mol.K Standard entropy for…

Q: 1. Given the following thermochemical data at 25°C and 1 atm pressure, 3 02(g) + 2B(s) → B2O3(s)…

A: Given, 3/2 O2 (g) + 2 B(s) →B2O3 (s)   ∆H1°= -1264kJ O3 (g) + 2B (s) →B2O3 (s) ∆H2°= -1406 kJ 2O3…

Q: (Q77) The standard Gibbs free energy (AG°rxn) for the formation of sulfur trioxide from sulfur…

A:

Q: For a nonspontaneous reaction , AS° = 189 J/K, and AH° = 76.3 KJ. At what temperature this reaction…

A: ∆G° = ∆H° - T∆S°  ∆G°&lt;0 for spontaneous reactions

Q: Consider the following reaction: CaCO 3(s) CaO (g) +CO 2(g) For this reaction, delta S = +158.9…

A: For a spontaneous reaction, deltaG should be negative. From the given delta H and delta S values,…

Q: Calculate ΔS° for each of the following reactions. Explain the sign of ΔS° based on the molecular…

A: Entropy is defined as the degree of randomness or disorderliness of the System.   if the molecules…