How can you calculate the standard entropy change for a reaction from tables of standard entropies? ASm = EMS° (reactants) +EnpS° (products) Ο ΔSR Σ, S9 (reactants)-Σ, S9 (products) Ο ΔS Ση, S" (products) -Ση, S" (reactants) O ASxn = Enp S° (products) + E M S° (reactants)

Q: methanol, CH3OH, vaporizes at 25°C is 35.4 kJ/mol. What is the entropy change (in J/K) when one mole…

A: Given,   □Hvap = 35.4 kJ/mol T = 25 °c = 298 K □S = □H/T   = 35.4 ×1000/298 = 118.79 J/K-mol

Q: 10. Consider the reaction: Ag+ (aq) + Cl- (aq) AgCI (s) Given the following table of thermodynamic…

A: Given ; reaction

Q: Calculate the standard entropy changes for the following reactions at 25°C: a) S(s) + 02(g) SO2(g)…

A: Known: SoS(s)=167.83 J/mol·KSoO2g=205.15 J/mol·KSoSO2g=248.22 J/mol·KSoMgCO3s=65.7…

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: For each pair of substances, choose the one that you expect to have the higher standard molar…

A: The species entropy is dependent on the species molar mass, species molecular complexity as well as…

Q: Fe,O; (s) + 2Al (s) → Al,O; (s) + 2 Fe (s) a. Is the reaction spontaneous at room temperature under…

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

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Q: Predict and explain if the entropy change of the following reactions or process is positive or…

A: Hii there, As there are multiple question posted. we are answering first question. If you need…

Q: Using the following data, give an approximation of the temperature at which the reaction CH4 (g) + 4…

A: According to second law of thermodynamics , entropy of a system always Increases. Or the value of…

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: 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: Calculate the standard entropy change for the reaction at 25 °C. C;H,(g) + 50,(g) • 3 CO,(g) + 4…

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

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

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Q: Determine the standard reaction entropy, in J/mole K, for the reaction of aqueous sodium carbonate…

A: Answer:- This question is answered by suing the simple concept of calculation of entropy of reaction…

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

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

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Q: With two dice, each numbered 1–6, there are two possible ways to roll a 3. and Thus, for the outcome…

A: The possible ways to roll a 4 is given below

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: 1. Calculate the standard entropy change for the following process: Ha(g) + C2Hag) → C2H6ig) 2.…

A: We have given that  Calculate the standard entropy change for the following process: H2(g) + C2H4(g)…

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

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

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

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

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

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Q: 3. Predict the sign of the entropy change for the following processes. Give a reason for your…

A: Entropy is defined as the degree of randomness or how free are particles to move.

Q: 4. According to the 2 law of thermodynamics, ASi must be positive for a process to be spontaneous.…

A: SYSTEM: System is that part of universe which we are experimenting on or which we are considering.…

Q: 1. The heat capacity at 1 atm. pressure of solid magnesium in the temperature range from 0 °C to 560…

A: The unit of temperature is not mentioned therefore i am using kelvin. Data given: T2 =800K, T1…

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

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Q: When a reaction is exothermic and the products have more entropy than the reactants, the reaction is…

A: A reaction is said to be spontaneous when its ΔG value is negative.  ΔG = ΔH - TΔS ΔG is the change…

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

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Q: Calculate the standard free-energy change (ΔGo) at 25°C for the reaction H2(g)+O2(g) ⇌ H2O2(l)

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Q: For the following reaction, calculate the a.ΔrxnH, b.ΔrxnS, c. ΔrxnG (25°C) of the following…

A: Given, H2 (g) + I2 (s) --> 2 HI (g) At 25 °C, the a.ΔrxnH, b.ΔrxnS, c. ΔrxnG is:

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

A: Given, 1 mol of H2O(l) is formed under standard condition. ∆fHo = -286 KJmol-1   We have to find the…

Q: What is the standard entropy change for the following process: H20(g) → H20(1) Substance AS°(J mol 1…

A: Given reaction is  H2O(g) ------> H2O(l)  Given that ,  ∆S° of H2O(g) = 188.71 J.mol-1.K-1 ∆S° of…

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

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

A: Answer :- ∆G = -16.995 (kJ)  The free energy change (∆G) for the given reaction = -16.995 kJ.…

Q: Using the data below, calculate the entropy for the formation of rust, iron(II) oxide from Fe and…

A: In this question we have to tell the entropy of the reaction.

Q: In a certain spontaneous process, the system undergoes an entropy change of 4.2 J>K; therefore,…

A: For a spontaneous process, the entropy of a system is less than the entropy of surroundings.

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

A: 2 NO + O2 ==> 2NO2