What is K for a reaction if ∆G° =-369.4 kJ/mol at 25.0 °C? (R = 8.314 J/mol ･ K)

Q: Calculate the standard entropy change ΔS° for the following reaction, using the tabulated standard…

A: Given, 2NO (g) + O2 (g) -> 2NO2 (g) S° NO (g) = 210.7 J/mol-K S° O2 (g) = 205.0 J/mol-K S° NO2…

Q: Determine the sign of entropy change (+∆S or -∆S): a. Expansion of gas b. CaCO3(s) → CaO(s) + CO2(g)…

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

Q: Given these values, ΔHorxn = +75 kJ; ΔSorxn = +120 J/K; T = 298 K; calculatethe free energy change…

A: The importance of Gibbs energy is that it gives information about the spontaneity of the reaction or…

Q: Use the equation for free energy change and the equation that links standard free energy change to a…

A:

Q: For ammonia (NH3), the enthalpy of fusion is 5.65 kJ/mol and the entropy of fusion is 28.9 J/K·mol.…

A: Answer- Enthalpy- Enthalpy is the amount of internal energy contained in a compound whereas entropy…

Q: Which reaction is spontaneous at SATP?   ∆H=62.5 kJ, ∆S=-1.25 J/K   ∆H=-10.1 kJ, ∆S=-49.6 J/K…

A:

Q: What is the type of entropy change for 6CO2(g) + 6H2O(g) —> C6H12O6(g) + 6O2(g)? Provide…

A: Answer  In this given reaction 6CO2(g) + 6H2O(g)…

Q: certain substance has an enthalpy of fusion of 4.73 kJ/mol and an entropy of fusion of 21.2 J/mol/K.…

A: We know ∆H=∆S×T ∆H=4730j/mol ∆S=21.2j/mol/k So T=4730÷21.2=223.11k

Q: Which reaction below has a positive change in entropy? O2 KCIO, (s) --> 2 KCI (s) + 3 02 (g) O 2 H2…

A: A positive (+) entropy change means an increase in disorder.

Q: 4. Using the thermodynamic information at 25.0°C provided answer the questions below. 2Al(s) +…

A: Dear student ,   since you have posted multiple parts questions we will allow to solve only first…

Q: For the conversion of reactant A to product B, the change in enthalpy is 7.80 kJ·mol-1 and the…

A: Solution: ∆H= 7.80 KJ mol-1∆S= 44.4 JK-1

Q: Which one of the following would be expected to have the lowest standard molar entropy, S°, at 25°C?…

A:

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: If delta G is greater than 0, it is considered ; if delta G is less than 0, it is considered and if…

A: The answer is given as follows

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

A:

Q: For each of the following reactions, predict the sign of the entropy change (∆S) . Justify your…

A: 1. The balanced equation shows the formation of two moles of sulfur trioxide when two moles of…

Q: 1. Predict which substance has greater molar entropy. Explain. (a) CH4(g) or CCl4(l) (b) NO2(g) or…

A: The answer of the above mentioned question is shown below:

Q: How many of the following processes below exhibit a positive entropy change? I.    methane (g)  +…

A: Welcome to bartleby !  Introduction :  We have to tell reaction in which entropy change is positive…

Q: Cyclopropane and propylene are isomers that both havethe formula C3H6. Based on the molecular…

A:

Q: which of the following reaction leads to an increase in entropy of the system? a) NH4Cl(s) ->…

A: * Answer : Correct option is which entropy increases __ a) NH4Cl(s) -----> HCl(g) + NH3(g)   *…

Q: Keq

A:

Q: 1. What is overall change in entropy of the reaction: Al:(CO:): -> Al:Os + 3 CO: Al:(COs); = 12.8…

A: Answer: Entropy of the system is the measure of its disorder or randomness.

Q: Rank the compounds in each of the following groups in order of increasing standard molar entropy. a)…

A:

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

A:

Q: Calculate the value of S° for the reaction shown: 2 NH3(g)  N2(g) + 3 H2(g) At 25°C the values of…

A:

Q: 1. What is the entropy change of the reaction below at 298 K and 1 atm pressure? N2(g) 3H,(8)…

A: Given reaction in the question, N2 (g) + 3H2(g) →2NH3 (g)Given the values in the question =Sο (N2) =…

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

A:

Q: NH4Cl (s) + H2O (l) --> NH4+ (aq) + Cl- (aq) We learn in Chapter 12, that the true measure of…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: Which substance will have the highest molar entropy at 25oC?   A. C4H10(g)   B. CO2(s)   C.…

A: Solution: We know that, Molar mass of gas is directly proportional to absolute entropy. In above…

Q: Whatto do: Determine whether the entropy change is greateror lesserthan zero for each of the…

A: Answer: Entropy is actually tells us about, in how many different states a system can be. More…

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

A:

Q: what is the change in entropy of the reaction NH4Cl(s) = NH3(g) + HCl(g) wherein the equal sign…

A: The reaction given is, => NH4Cl (s) → NH3 (g) + HCl (g)

Q: The synthesis of the pesticide thionyl chloride (OSCl2) proceeds according to the following…

A:

Q: What is the value of the entropy of lithium bromide solid at 25℃? Select one: a. – 384 kJ/mol b.…

A: Entropy denotes the randomness of particles

Q: What is the standard molar entropy change of the following reaction? 8 NH:(g) + 10 O:(g) 8 NO(g) +…

A:

Q: a. ENTROPY: Predict the sign of the change in entropy for the following processes. (Positive/…

A: 1. Decomposition of carbonic acid into water and carbon dioxide is associated with positive change…

Q: Does Gibbs Free Energy delta G change within a reaction when the problem gives us grams of reactants…

A: Yes, From given deltaSo and deltaHo we can calculate deltaGo by using formula, For the calculation…

Q: Which of the following reactions are spontaneous at 298 K? AH = -200 kJ/mol, AS= -1.0 kJ/(mol*K) AH…

A: Recall the following expression for change in Gibbs free energy∆G               ∆G=∆H-T∆SIf for any…

Q: Which of the following substances has the lowest absolute molar entropy at 25°C?   Group of answer…

A: The substances given are HCl(l), HCl (g), HCl (s), HBr (g) and HI (g).

Q: Order the following in order of INCREASING standard molar entropy. Type your answer in the form of a…

A: We have to arrange given compounds  in order of INCREASING standard molar entropy

Q: Recognize the species that has the lowest entropy, S° at 25°C. А. СНЗОН (1) B. N2 (g) C. NazSO4 (s)…

A: Entropy is defined as the measurement of disorderedness or randomness in a system. The increasing…

Q: At what temperature, in K,  does X (l)-->X(g) occurr spontaneously? Delta H°=+573 kj/mol Delta…

A: Given that:                Delta H° for the reaction = 573 KJ/mol                 Delta S° for the…

Q: Which change is likely to be accompanied by an increase in entropy? A. N2 (g) + 3 H2 (g) → B. Ag*…

A: The answer is C

Q: For each of the following reactions, predict if the entropy of the system will increase, decrease,…

A: Entropy :-  It is a thermodynamic property which is a measure of randomness or disorderness present…

Q: III. Indicate whether each of the following processes produces an increase or decrease in the…

A:

Q: Predict the algebraic sign of the entropy change for the following reactions. PCl3(g) + Cl2(g) →…

A: Entropy ( S ) :-  Entropy is a measure of disorderness or randomness in a system . If randomness…

Q: What must the reaction quotient Q be, if the free energy is -961.941 kJ at 25.0°C? 5C2H2(g) + 5…

A: We can solve this problem by using following equation ∆G = ∆G°-2.303RTlog Q Where  ∆G = free energy…

Q: the highest molar entropy? a. CH2Cl2 (g) b. NH3 (g) c. N2O5 (s) d. N2H4 (l)

A: Entropy is the randomness of molecules in the given system.

Q: What is the molar change in entropy of tetrachlorosilane when it boils at 57.65°C given that AHvap =…

A: Given: Temperature (T) = 57.65°C  Or T = 57.65 + 273.15 K = 330.8 K And ∆Hvap = 28.7 kJ/mol Or ∆Hvap…

Q: Which pure substance under standard conditions would have the highest entropy?   O2   HCl   CH3OH…

A: Standard conditions are usually defined as 298 K (25 degrees Celsius) and 1 atm of pressure. Note…