Indicate which of the following reactions results in a positive ΔSsys. A. 2H2 (g) + O2 (g) ⇌ 2 H2O (g) B. Ba(NO3)2 (aq) + Na2SO4 (aq) ⇌ BaSO4 (s) + 2NaNO3 (aq) C. 2Na (s) + Cl2 (g) ⇌ NaCl (s) D. Zn (s) + 2HCl (aq) ⇌ ZnCl2 (aq) + H2 (g) E. 4Fe (s) + 3 O2 (g) ⇌ 2Fe2O3 (s)

Q: Which change will result in an overall decrease of entropy? (A) CaCO:(s)→CAO(s) + CO:(g) (B)…

A: Which change will result in an overall decrease of entropy ?

Q: 1.)     Consider the endothermic reaction 4HCl (aq) + MnO2 (s) Cl2 (g) + 2 H2O (l) + MnCl2 (aq),…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Predict whether the entropy increases or decreases for each of the following processes. Consider the…

A: Entropy represents the degree of disorder or randomness in a system. It is the amount of energy that…

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A: Entropy is the degree of randomness . When the system is changed form Solid to liquid the degree of…

Q: Which of the following processes would be accompanied by a decrease in entropy? O H20(1, 50°C) –→…

A: given :-  H2O (l,50°C) →  H2O (l,75°C) H2O (s) →  H2O (l) H2O (g) →  H2O (s) H2O  (l) →  H2O (g) H2O…

Q: Which of the following processes would be accompanied by a decrease in entropy? O H₂O(s) → H₂O(1) O…

A: Entropy is randomness of system.  For gaseous state entropy is most.  For solids entropy is least.

Q: Which of the following processes are accompanied by an increase in entropy of the system? (No…

A: Entropy is the measure of randomness or disorder present in the system.  Entropy is maximum in case…

Q: Which of the following represents an increase in entropy? O a. Formation of water vapor O b. Boiling…

A: Here we have to predict the process in which  there is increase of of entropy  occur.

Q: Which would describe an exothermic reaction which undergoes an increase in entropy? O AHxn 0 and ASn…

A: We are given two questions , one is based on thermodynamics of reaction and the another one is on…

Q: For each of the following processes, tell whether the entropy of the universe increases, decreases,…

A:

Q: Consider the reaction 2 NO (g) + H2 (g) = N20 (g) + H2O (g) with AH° = + 36 kJ. In which direction,…

A: Le chatelier's principle is used to predict the direction of an equilibrium reaction when a physical…

Q: What is true about the following reaction at 25°C? CsBrO(aq) + H2O(1) == HBRO(aq) + CSOH(aq) 1) K >…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: Consider a chemical reaction that has a AH°f = 30.0 kJ/mol and a AS° = 100.0 J//mol•K). At what…

A:

Q: Which of the following reactions would result in an increase in entropy? FeCl3 (s) Fe+(g) + 3 Cl¯…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Look at each process and decide wheather there is greater disorder after the change than before.…

A: Entropy is defined as the degree of randomness. R→P∆S=∑SP - ∑SR Only gases are used in the above…

Q: Which reaction occurs with the greater increase in entropy? Explain your reasoning. 1. H2 (g)+ Cl2…

A: Entropy Entropy is a measure of randomness  or disorder of a system. A spontaneous reaction occurs…

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A: When reaction is endothermic then it's required energy from the external sources then it's converted…

Q: When heated, CaCO₃ decomposes into CaO and CO₂ according to the following equation: CaCO₃(s) ⇌…

A: Given data :

Q: Predict which of the following reactions has a negative change in entropy. I. 2 HgO(s) → 2 Hg(l) + O…

A: The randomness or disorderness of a molecules is determined by the entropy.

Q: DeltaH=21      T=21.2 degrees C   DeltaS= 0.071 Is the dissolution process studied today, NaNO3…

A: Hello. Since more than one question has been asked, the first question shall only be answered in…

Q: What is the enthalpy change when silver chloride form from the ions in an aqueous solution? What is…

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

Q: Consider the decomposition reaction shown below. NO2(g) 2 NO(g) + ½ O2(g) A. What is the equilibrium…

A: Dear student,  As you have asked multiple question but according to guidelines we will solve first…

Q: 1. The entropy will usually increase when I. a molecule is broken into two or more smaller…

A: Since you have posted more than one question, we will solve only first question for you. If you want…

Q: 46. Which of the following involves a decrease in entropy? A) the sublimation of solid CO2 into CO2…

A: The correct answer about entropy is given below

Q: 4 Which of the following reactions would result in a decrease in entropy? 2 H2O2 (g) → O2(g) + 2…

A: Entropy can be measured by seeing the degree of disorderness.  Entropy will increase when the number…

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: 12) Above what temperature does the following reaction become nonspontaneous? 2 H2S(g) + 3 O2(g) → 2…

A:

Q: How many of the following processes are nonspontaneous? climbing stairs dissolving salt in water…

A: Spontaneous process: Process that happens automatically without expenditure of energy. ∆G = -Ve for…

Q: Which reaction would have an increase in entropy?   a. 2 NH4F (aq) + BaS (aq) → (NH4)2S (aq) +…

A: -> ∆S(gas)>∆S(liquid)>∆S(solid) ->If number of gaseous species in product increases then…

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: Select all of the following reactions that would be expected to provide a negative change in…

A: The answer is given below

Q: positive entropy change.

A:

Q: I.     NaCl (s) ⇌ Na+ (aq) + Cl- (aq)                 ΔG  0     III.   Ag(CN)2-(aq) ⇌ Ag+(aq) +…

A: All spontaneous process leads to increase in entropy and a process is spontaneous if ∆G<0

Q: For which of these is there an increase in entropy?   KCl(aq)+AgNO3(aq)→KNO3(aq)+AgCl(s)…

A: Entropy Entropy is defined as the degree of randomness, which is highest for gas, followed by liquid…

Q: Which of the following reactions is accompanied by a decrease in entropy? a) HCI(s) = H+(aq) +…

A: In this question, we will select the correct Reaction inwhich entropy Decreases.  You can see…

Q: Predict whether entropy increases or decreases in each of the following reactions. (a) 2H2S (g)+SO2…

A:

Q: Which of the following represent an increase in entropy? carbon atoms crystallize and become…

A: The answer of the above question is given in following steps

Q: The solubility for manganese (II) fluoride in water is 6.6 g/mL at 40 degrees C and 4.8 g/L at 100…

A: Given data:

Q: Determine whether the change in entropy increases or decrease. 1. Sublimation of dry ice: CO2…

A: Entropy is a state function that indicates the degree of randomness of a system. Entropy of a system…

Q: For each of the following processes, tell whether the entropy of the universe increases, decreases,…

A: Note!  As you have not specificied which subparts you want to be answered, so I am solving only…

Q: Select the reaction that represents an increase in entropy for the system: a.…

A: Entropy is randomness of particles. Entropy order  of :  Gas > liquid > solid

Q: Question attached

A: Gibbs Free Energy: It is a property of thermodynamics which can be used to determining the direction…

Q: For the reaction:  ½F2(g)F(g), a reaction mixture initially contains 1.5 atm of F2(g) and 1.5 atm of…

A: Given, Kp = 12 Reaction is:   ½F2(g)  ⇌   F(g) Kp is the equilibrium constant. Q is the reaction…

Q: which of the following is a process with a negative △s? CaCo3---CaO(s) + CO2 (g) H2O (l)----H2O…

A:

Q: Fe2O3(s) + C(s) ... Fe(s) + CO2(g) change H  467.9 kJ change S 560.3 J/K change G 301.3 kJ…

A: ΔG = ΔH - TΔS ΔG = Change in free energy ΔH = change in enthalpy ΔS = change in entropy T =…

Q: Consider the following reactions. I.     NaCl (s) ⇌ Na+ (aq) + Cl- (aq)                 ΔG  0…

A: When ∆G<0, the reaction will proceed in the forward direction. That means that it is a…

Q: 2. Predict the sign of ASsys for each process. a. A piece of wax melts. Positive b. Silver chloride…

A:

Q: Below

A: Here, you can see both values of ∆H and ∆S are positive so if temperature is low then Reaction is…

Q: Which of the following reactions or changes is accompanied by a decrease in entropy (ΔS < 0)?…

A:

Q: 8.35 Without performing any calculations, predict whether there is an increase or a decrease in…

A: Entropy is a measure of the molecular disorder or randomness of a system. We can easily predict a…