Consider the following reaction at 298 K. C(graphite)+2Cl2(g)⟶CCl4(l)Δ?∘=−139 kJCalculate the following quantities. Refer to the standard entropy values as needed. Δ?sys= _________J/K Δ?surr= ________J/K Δ?univ= ________J/K

Q: Module 8, Is the change in entropy for the following chemical reactions positive or negative? (Note:…

A: Equilibrium constant is defined as ratio of concentration of product to concentration of reactant.

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: 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: 3. Predict the sign of the entropy change of the system for each of the followingreactions. a.…

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Q: In which of the following reactions is entropy increasing? A. CO(g)+H2O(g)->H2(g)+CO2(g) B.…

A:

Q: ΔrS = 94.6 J K−1mol−1 ΔrH = 175.98 kJ/mol NH4Cl (s) → NH3 (g) + HCl (g) a) Calculate the ΔrG for…

A: #(d): Given the total pressure of the reaction mixture, Pt = 56 kPa

Q: 2. Calculate the entropy change at 25°C for the following reaction: 0.5 H2 (g) + 0.5 I2 (s) → HI…

A:

Q: Given ASsys = -30 J/K.mol, calculate the entropy change of the universe (in J/K.mol).

A: Entropy of universe is equal to entropy

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A:

Q: Which of the following has the highest entropy (all at 65.0℃)? a. none - all of these have the same…

A: Entropy is a measurement of degree of randomness. It is an extensive property which depends upon the…

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: Consider the following reaction at 298 K.   4Al(s)+3O2(g)⟶2Al2O3(s)         Δ?∘=−3351.4 kJ 4Al(s)=…

A: Entropy is the measure of a sytem's thermal energy per unit temperature. Work is obtained from…

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: 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 highest entropy (all at 500.0°C)? Select one: a. Kr (g) b. none - all…

A: Which of the given  has the highest entropy (all at 500°C ) = ?

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: Which of the following has the highest entropy (all at 100.0℃)? a. H2O (l) b. none - all of these…

A: d.  H2O (g)  Will have highest entropy at 100°C

Q: Examine each of the reactions in the multiple choices below and decide whether the entropy change…

A: If gaseous mole of product increases then reaction have positive entropy change if gaseous mole of…

Q: Enter your answer in the provided box. Calculate the standard entropy change for the following…

A: Using the table of standard entropies of reactants and products, the standard entropy change for the…

Q: 1. Which of the following will have the greatest standard molar entropy (S°)? a. Hea b. H2Om c.…

A: The randomness of molecules in scientific terms is called entropy. The molecules that are free to…

Q: 5.sl9 ähäi Predict which of the following substances has the highest entropy value at 25°C Mg0 (s) O…

A:

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A:

Q: HCI(9) and HCI(aq) Match the words in the left column to the appropriate blanks in the sentences on…

A: Entropy is a thermodynamic property that accounts for the randomness or disorderness in the system.…

Q: Activity 2. Standard Entropy (LAS 5.a) Learning Objectives: 1. Calculate the standard entropy…

A: #Part-B: #1: The given chemical equation is: 2H2(g) + O2(g)  ---> 2H2O(l)

Q: Calculate the entropy change in surroundings when 1.00 mol of H2O (l) is formed under standard…

A:

Q: 11.11 A student was asked to propose three reactions for the oxidation of carbon or a carbon…

A: For a reaction to be spontaneous: ∆G=-ve (spontaneous)∆G=+ve (non-spontaneous) For the reaction: a)…

Q: The heat of vaporization of carbon disulfide, CS2, at 25℃ is 27.2 kJ/mol. What is the entropy change…

A: For a phase change, entropy change is given by,

Q: Al,03(s) + 2Fe(s)–→Fe,03(s) + 2Al(s) for which AH° = 851.5 kJ and AS° = 37.00 J/K at 298.15 K. (1)…

A: The reaction takin place is given as, => Al2O3 (s) + 2 Fe (s) ---------> Fe2O3 (s) + 2 Al (s)…

Q: 4. Methanol is relatively inexpensive to produce. Much consideration has been given to using it as a…

A: 4. Given decomposition reaction of methanol:   CH3OH(l)  ---->  CH4 (g) + (1/2)O2 (i) when moles…

Q: 3. For each of the following reactions, predict the sign of the entropy change (AS). Justify your…

A:

Q: Predict the sign of the entropy change of the system for each of the following reactions. Explain…

A:

Q: Rank the following compounds in order of INCREASING standard molar entropy. a. H2O2(l), H2O(l),…

A:

Q: eous or nonspontaneous? 3 H2(g)2 NH30(g) AS° System = 180J/K %3D ndard enthalpy of formation of an…

A: 2) Given,  □H = -45.9 kJ/mol □S = 180 J/mol-K □G = □H - T□S = -45.9 - 298×180/1000 = -99.5 kJ/mol As…

Q: Calculate the entropy change in surroundings when 1.00 mol of H2O (l) is formed under standard…

A:

Q: Which of the following has the lowest entropy (all at 20.0℃)? a. Ar (g) b. Ne (g) c. Kr (g) d. He…

A: The given elements are : Ar (g), Ne (g), Kr (g), He (g) and Xe (g)   The entropy of a substance is…

Q: Which of the following relationships is correct? A) Delta G > 0 represents an increase in kinetic…

A: Free energy is a measure of spontaneity of chemical process.

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A: Given reaction : Al2O3(s) + 3H2(g) → 2Al(s) + 3H2O(g) Now, we have to calculate ∆S°rxn(standard…

Q: Calculate the change in entropy that occurs in the system when 23.0 g of isopropyl alcohol condenses…

A:

Q: 1. Which of the following will have the greatest standard molar entropy (S°)? a. Hea b. H2Om c. NH3)…

A: Here we have to determine entropy change in the following given cases.

Q: Predict whether the entropy change in the system is positive, negative or close to zero for each of…

A: Entropy is the randomness of the system or  reaction

Q: Predict the sign of the entropy change, ΔS, for the following processes. Explain the reason for each…

A: Few questions based on chemical thermodynamics, which is to be accomplished.

Q: For each chemical reaction listed in the first column of the table below, predict the sign (positive…

A: Increasing in entropy order, Gas>liquid>solid

Q: Calculate the standard entropy change for the following reactions at 25 C. 2 Na (s) + 2 H2O (l) -->…

A:

Q: The energy produced by a spontaneous reaction is often used to provide the energy to drive…

A: The amino acid combination can be depicted as:

Q: For which of the following processes would the entropy change be positive? A.  I2(s)  → I2(g) B.…

A: Answer- the answer is option A.  I2(s)  → I2(g)

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A: Finds :      Calculated the standard entropy.   Formula :           (∆S°) = Σ nP× Sf°P  -  Σ nr ×…

Q: What is the standard molar entropy change of the following reaction? 8 NH3(g) + 10 O2(g) → 8 NO(g)…

A: Entropy is a measure of the randomness of the system. The entropy change in a chemical reaction can…

Q: 4) Melting point of zinc is 425°C. Standard entropy of zinc at 25°C is 40 J/molK. What is the change…

A: Change in entropy of zinc from 25°C to 725°Ccan be calculated in three cycles and in end all the…

Q: A simple chemical system has an entropy value of 8.07E-23 J/mol K. How many microstates does this…

A: By the relationship between entropy and microstate , we have ;  S = KB ln Ω ----------------(I)…