14. What is Keq at SATP for the reaction whose ∆Gº = -27.5 kJ? (R=8.314 J/mol-K) A. 1.51x10-5 B. 7.95x10-12 C. 1.26x1011 D. 6.61x104

Q: For propane, the ∆H° of vaporization is 22.90 kJ/mol and the ∆S° of vaporization is 99.0 J/mol･K. At…

A: Step 1: Step 2: Step 3: Step 4:

Q: supersaturated solution on standing or on the addition of a seed crystal. Which of the following is…

A: As process is Spontaneous hence,  □G< 0 Randomness decrease as molecules comes to together to…

Q: if the process is never spontaneous

A:

Q: From the values of ∆H and ∆S, what would be the value of ∆G at 25.0°C? Reaction B: ∆H =…

A: Gibbs free energy change is used to determine the spontaneity of a reaction. Write the expression of…

Q: Given the skeleton structure shown below, what is the correct bond line structure? For this…

A: A question based on molecules. For the given skeletal representation the most appropriate bond-line…

Q: When a thermodynamics process occurs and there is no change in pressure, ∆P = 0, this process is…

A: The different processes given in the option are defined as A) Adiabatic : This are those processes…

Q: Calculate ∆S° for the following reactions in J K-1 a. 2 C2H6(g) + 7 O2(g) → 4 CO2(g) + 6 H2O(g) b.…

A: The standard molar entropy of the compounds in reaction (a) can be listed as follows: ∆Soethane =…

Q: Find ΔS for the system, surroundings, and universe when 28.2 g of liquid H2O is evapourated at 100.0…

A: Thermodynamics is a branch of chemistry that deals with the flow of heat energy. There are two…

Q: Which reaction is spontaneous at SATP?   ∆H=7.50 kJ, ∆S=42.9 J/K   ∆H=-11.5 kJ, ∆S=-52.6 J/K…

A:

Q: Calculate the change in internal energy of the following reaction at 1 atm and 25°C. Fe2O3(s) +…

A: The reaction given is, => Fe2O3 (s) + 3 CO (g) → 2 Fe (s) + 3 CO2 (g) Given: ∆H° = -27.00 KJ.

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

A:

Q: 1. Which of the relationships between the free energy change of a system and associated entropy…

A: The Gibbs free energy is expressed as G =H –TS

Q: Consider the reaction, HQ ⇌ H⁺(aq) + Q⁻(aq). At 298 K, the ∆S°rxn = -81.0 J/mol･K and the ∆G°rxn of…

A: The ∆H°rxn of the given reaction can bu calculated using following thermodynamics relation: ∆H°rxn =…

Q: Which one of the following reactions has ∆S°rxn < 0?   A.  Combustion of glucose, C6H12O6(s)   B.…

A: The entropy change in a chemical reaction is given by the sum of the entropies of the products minus…

Q: For a given reaction, ∆H = -19.9 kJ/mol and ∆S = -55.5 J/K-mol. What is the value of the temperature…

A: dH = -19.9KJ/mol dS = -55.5J/K.mol = (-55.5J/Kmol)×1KJ/1000J dS= -0.0555KJ/Kmol At equillibrium, dG…

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: At what temperatures will the following processes be spontaneous? (Enter NONE if the process is…

A: The relationship between ∆G , ∆H , ∆S and temperature is given by  ∆G = ∆H - T∆S  If ∆G = 0,…

Q: GFE&E 3. The decomposition of NaHCO3 used in a kitchen to extinguish fires is: 2NaHCO3 (s)  Na2CO3…

A: The relation between Gibbs free energy and equilibrium constant is as follows,…

Q: At 25°c ,the thermodynamic equilibrium constant for reaction 3C2H2(g) converts into C6H6(l) is…

A: Since the change in Gibbs free energy of the reaction can be calculated by  ΔGrxn = -RTln(K)  where…

Q: Which of the following combinations of ΔH and ΔS values could lead to a spontaneous reaction?…

A: A chemical reaction is said to be spontaneous when the value of ∆G is less than ZERO.…

Q: For propane, the ∆H° of vaporization is 22.9 kJ/mol and the ∆S° of vaporization is 99.0 J/mol･K. At…

A:

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: For a chemical reaction to be spontaneous only at low temperatures, which of the following…

A: For any reaction to be spontaneous, the value of ΔGo i.e DGo of the reaction should be -ve. Hence…

Q: An example of a reaction where ∆G = 0 is H2O(s)→H2O(l) @SATP any reaction that is over…

A:

Q: spontaneous

A:

Q: For propane, the ∆H° of vaporization is 22.90 kJ/mol and the ∆S° of vaporization is 99.0 J/mol･K. At…

A: Given: ∆H° is 22.90 kJ or 22900 J ∆S° is 99 J/mol. K Temperature is 208.5 K To find: ∆G° of…

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: What are the main criteria for spontaneous change to occur? choose the correct answer. a. ∆G 0 b.…

A: To identify: The main criteria for the spontaneous change to occur.

Q: 1. For the reaction C₂H6 (g) → C₂H4 (g) + H₂ (g) AH° is + 137 kJ/mol and AS° is + 120 J/K mol. Which…

A:

Q: Choose the one that shows an increase in ∆U and expansion at constant pressure? a. Reaction with…

A: A question based on chemical thermodynamics that is to be accomplished.

Q: For 2-methylbutane, the ∆H° of vaporization is 25.22 kJ/mol and the ∆S° of vaporization is 84.48…

A: ∆H0 =25.22 KJ/mol∆S0 =84.48 J/mol.KT = 201 KP = 1.00 atm.

Q: Which of the following is a Nernst equation? a. ∆G = ∆Go + RT ln Q b. ∆Go = - RT ln K   c. Eo =…

A: Nernst Equation -  It is a chemical equation used in electrochemistry. It helps us find out the cell…

Q: If ΔH and ΔS for a reaction are both negative which of the following is true.   Select one: a. It…

A: We know that ΔG =ΔH - TΔS WHERE ΔG= Gibbs Free Energy ΔH= Enthalpy ΔS = Entropy T= Temperature For…

Q: At 25 oC an antibody binds a protein with a ∆H = -87.9 kJ/mol and  ∆S = -118.9 J mol-1 K-1 Which of…

A: Gibbs free energy, also regarded as the Gibbs function, Gibbs energy, or free enthalpy, is a…

Q: A reaction has a ∆Horx = −70 kJmol and an equilibrium constant K =2.4 × 102 at 500 K. What is ∆Sorx…

A:

Q: Which one of the following reactions will have a positive ∆S? A. CO2 (g) → CO2 (s) B. 2 Hg (l) + O2…

A: We know that Entropy is directly proportional to randomness and we also know that randomness is…

Q: Sodium carbonate can be made by heating sodium bicarbonate: 2NaHCO3(s) → Na2CO3(s) + CO₂(g) + H₂O(g)…

A:

Q: Find ΔS for the system, surroundings, and universe when 28.2 g of liquid H2O is evapourated at 100.0…

A: