What is the free energy change at 25oC for the reaction below, if the standard entropies of reactants and products are So (C(gr)) = 5.74 J/mol*K, So(H2(g)) = 130.68 J/mol*K, and So (C4H10(g)) = 310.1000 J/mol*K and the heat of formation of C4H10(g) is -126.1400 kJ/mol. 4C(gr) + 5H2(g) ↔ C4H10(g)   ΔGo = -16.995 kJ   ΔGo = 16.995 kJ   ΔGo = 235.285 kJ   ΔGo = -235.285 kJ

Q: Consider the reaction CH4(g) + 2O2(g)CO2(g) + 2H2O(g) for which H° = -802.3 kJ and S° = -5.200 J/K…

A: (1) The given reaction is: CH4(g)+2O2(g)→CO2(g)+2H2O(g) ΔHo = -802.3 kJ/mol ΔSo = -5.200 J/K.mol at…

Q: The molar entropies of carbon monoxide and carbon dioxide at 25°C are 197.7 and 213.8 J/molK,…

A: The molar entropy in terms of micro-state is given as :

Q: Classify the possible combinations of signs for a reaction's Δ?ΔH and Δ?ΔS values by the resulting…

A: The Gibb’s free energy change is expressed as:

Q: What is the total entropy change at 25°C for the reaction below, if the standard entropies of…

A: Given :-  The given reaction is      5C(gr) + 5H2(g) → C5H10(g) ...........(A) Sº (C(gr)) = 5.74…

Q: The following equation represents the essential change that takes place during the fermentation of…

A: Entropy is used to determine the randomness of the system.

Q: Methanol is relatively inexpensive to produce. Much consideration has been given to using it as a…

A: ∆SCH3OH = 126.8 kJ/mol ∆SCH4 = 186.264 kJ/mol ∆So2 = 205 kJ/mol

Q: What is the free energy change at 25oC for the reaction below, if the standard entropies of…

A: Gibbs free energy is an energy which is used to do useful work. It is an extensive property which…

Q: The enthalpy change when liquid methanol, CH3OH, vaporizes at 25°C is 38.0 kJ/mol. What is the…

A: Since the condensation process is happening at constant temperature Hence the entropy change can be…

Q: Calculate the free-energy change for the synthesis of ammonia at 25°C given the following sets of…

A:

Q: Which of the following substances has the highest standard molar entropy (S°) at 25°C?     a. .…

A:

Q: Octane is typical of the components of gasoline. Estimate  (a) the entropy of vaporization of…

A: Latent heat of vaporization is physical property defines as the heat required to change the 1 mole…

Q: Which of the following has the greatest entropy- (a) H2O (g) at 100 °C (b) H2O (€) at 100 °C (c) H2O…

A: Entropy (∆S°) is generally the randomness or disorder present in the molecule. So, the amount of ∆S°…

Q: What is the total entropy change at 25oC for the reaction below, if the standard entropies of…

A: Given reaction at 25°C;  C6H10 (g) ↔ 6C (gr) + 5H2 (g) The standard entropies of reactants and…

Q: What is the change in entropy when 0.600 g of water decomposes to form hydrogen gas and oxygen gas…

A: Given, 2H2O(l) ----> 2H2(g) + O2(g); Delta S° = 326.3 J/K at 298 K

Q: What is the total entropy change at 25oC for the reaction below, if the standard entropies of…

A: The Standard Entropy change of the Reaction is the difference between the entropies of Products and…

Q: Consider the reaction2HBr(g) + Cl2(g)2HCl(g) + Br2(g)for which H° = -81.10 kJ and S° = -1.200 J/K at…

A: All feasible reactions occurring in nature are either enthalpy/entropy driven or both. When heat…

Q: Gibbs Free Energy Third Law of Thermodynamics Directions: Answer the following items 1. Calculate…

A:

Q: Without doing a calculation, predict whether the entropy change will be positive or negative when…

A:

Q: Which of the following processes are spontaneous and which are nonspontaneous:formation of CH4 and…

A:

Q: What is the ΔHorxn for the production of propane, C3H8, given the following reaction enthalpies:…

A: We have given that  What is the ΔHorxn for the production of propane, C3H8, given the following…

Q: The entropy of reaction for XeF6 (g) ⇌ XeF4 (g) + F2 (g) is 49 J/mol·K.  If the equilibrium constant…

A: Feasibility of a reaction depends on the change in Gibbs free energy. The value of change in Gibbs…

Q: Without doing a calculation, predict whether the entropy change will be positive or negative when…

A:

Q: Using the entropy values in the table below, what is the change in standard entropy, AS", for the…

A: Given- 2CH3OH(l)+3O2(g)->2CO2(g)+4H2O(l)

Q: value for ΔrS°, in units of J K-1‑mol-1 at 25 °C?

A:

Q: For the decomposition of mercury(II) oxide, HgO, to mercury and oxygen: 2H9O(s) --> 2Hg(I) + O2(g)…

A:

Q: For the decomposition of mercury(II) oxide, HgO, to mercury and oxygen: 2H9O(s)→2H9(1) + O2(g) What…

A:

Q: 23. In a reaction, the change in entropy is given as 2.4 cal/K and the change in Gibbs free energy…

A:

Q: Which of these species has the highest entropy (S) at 25°C?

A: Entropy is defined as a degree of randomness, and the entropy for a gaseous compound is greater than…

Q: Standard molar entropies for CO(g), CO2(g), and O2(g) are 197.9, 214.0, and 205.0 in J/mol K,…

A: Entropy Entropy is the measure of disorder in a reaction. When an amount of energy is added to a…

Q: Which reaction below is spontaneous at low temperatures and nonspontaneous at high temperatures? O…

A:

Q: Ribozomes in your body create proteins by combing amino acids together. What are the signs of AG,…

A:

Q: 3. Calculate the standard free-energy change ( AG° ) at 25°C for the reaction 2H2(g) + N2(g) =N¿H4…

A:

Q: Acetone, CH; COCH3 , boils at 56°C. The heat of vaporization of acetone at this temperature is 29.1…

A: Given: Boiling point temperature= 56 C=329.15 K Heat of vaporization= 29.1 kJ/mol

Q: Consider the reaction2HBr(g) + Cl2(g)= 2HCl(g) + Br2(g)for which H° = -81.10 kJ and S° = -1.200 J/K…

A: 1) since  S° = -1.200 J/K for the reaction of 2 moles of HBr  Hence for the reaction of 1 mole of…

Q: Determine the amount of free energy of the reaction at 25 ℃ represented by the equation below. Is…

A: ∆G° = ∆H° - T∆S°  So in this reaction first determine ∆H° and ∆S° then determine ∆G°  If ∆G° < 0…

Q: When fumes of ammonia and fumes of hydrobromic acid meet, they form a “smoke” of solid ammonium…

A: The question is based on the concept of chemical thermodynamics. we have to calculate enthalpy,…

Q: Which of the following processes are spontaneous and which are nonspontaneous: (a) the ripening of a…

A: Spontaneous process The process that can take place without the assistance of any external factor is…

Q: In which case will a chemical reaction ALWAYS proceed spontaneously at all temperatures (DH and DS…

A: Feasibility of a reaction depends on the change in Gibbs free energy ∆G.  The value of change in…

Q: Q.6 The standard enthalpy of combustion of solid urea (CO(NH2)2) is -632 kJ mol at 298 K and its…

A:

Q: Which of the following rcactions will have a positive change in entropy (ASn)? →2 NO2 (g) a) NO (g)…

A: Entropy ( S ) :  It is a measure of randomness or disorderness in system. Entropy is more in gaseous…

Q: What is the temperature at which the reaction below becomes spontaneous, if the standard entropies…

A:

Q: III. Without reference to any data tables, choose which member of the following pairs has the…

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

Q: (Q66). What is the change in entropy (in J/K) when 14.1 g of liquid hexane boils at its normal…

A: ∆Suniverse = ∆Ssystem + ∆Ssurrounding . And ∆Ssurrounding = - ∆Hreaction / T.

Q: Calculate the standard molar entropy change for the conversion of nitrogen monoxide to nitrogen…

A: 2 NO + O2 ==> 2NO2

Q: For the reaction 4NH3(g) + 5O2(g) ⇄ 6H2O(g) + 4NO(g) ΔG* = −955.6 kJ What is the free energy…

A: The balanced reaction taking place is given as, => 4 NH3 (g) + 5 O2 (g) ⇄ 6 H2O (g) + 4 NO (g)…

Q: For the decomposition of mercury(II) oxide, HgO, to mercury and oxygen:What is the standard change…

A:

Q: What is the total entropy change at 25oC for the reaction below, if the standard entropies of…

A: Given,∆S0 for Carbon= 5.74 J/mol K∆S0 for Hydrogen= 130.68 J/mol K∆S0 for C7H16= 130.68 J/mol K