Indicate which of the following has the largest standard molar entropy (S ").Select one:O a. CH;CH,OHy)O b. CHaO C NagoO d. NH3 U)e. CO20For the hypothetical reaction A+B -> C+D, if AH and AS are both positive, which ofthe following is true.Select onea. The reaction is spontaneous at low temperatures.Ob. The reaction is spontaneous at high temperatures.O. The reaction is not spontaneous in the direction written at any temperature.d. The reaction is spontaneous in the direction written at all temperatures.

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

Answered: Indicate which of the following has the…

Indicate which of the following has the largest standard molar entropy (S). Select one: O a. CH,CH,OHy) O b. CHa O C Nago O d. NH3U) O e. cO200

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter10: Entropy And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 10.51PAE: 10.51 The combustion of acetylene was used in welder's torches for many years because it produces a...

See similar textbooks

Related questions

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

A: Given, Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l) Species S°(J/K.mol) Fe2O3(s)…

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

A: CH4(g) + 2O2(g) --> CO2(g) + 2H2O(g)

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

A: Calculate the standard entropy of the viven reaction--

Q: MReview I Contants Perodic Table candard entroples for selected substances at 25 C Part A Substance…

A: We have to calculate the∆S0rxn.

Q: The normal boiling point of Br21l2 is 58.8 °C, and its molar enthalpy of vaporization is ∆Hvap =…

A: (a) Entropy has to be given when Br2 (l) boils at its normal boiling point.

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

Q: Compute the standard entropy change for the following reaction: 3N2H4(I) + 403(g) → 6NO(g) + 6H20(1)…

A: Calculate the entropy change of the given reaction---

Q: The normal boiling point of ethanol is 73.2˚C, and its molar enthalpy of vaporization is 41.2…

A: Given : Normal boiling point of ethanol = 73.2 ˚C And enthalpy of vaporization, ΔHvap = 41.2 KJ/mol…

Q: Which of the following has the largest standard molar entropy, S° (298.15 K)? О а. Н2 (g) O b. NaCI…

A: Answer The substance in gases state has higher entropy compared to…

Q: information: CH3OH (l) + O2 (g) --> CO2 (g) + 2H2O (g) Substance S°…

A: Given- S°(H2O)=232.7J/mol×K S°(CO2)=213.8J/mol×K S°(CH3OH)=126.8J/mol×K S°(O2)=205.0J/mol×K

Q: Which of the following compounds has the largest standard molar entropy, Sᵒ (298.15 K O a. C…

A: Multiple choice question is given here.

Q: Consider the reaction 2H₂S(g) + 30₂(g)—2H₂O(l) + 2SO₂(g) where AS° rxn = -390.7 J/K Using standard…

A: Please find the attachment.

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

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 change in entropy (positive, negative, or zero) for the system? H2O (l) --> H2O (s)

A: Entropy is the measure of randomness of the system.

Q: Use the table of standard entropies below to calculate the entropy of the following reaction in…

A: The reaction is as follows: 2NF3 (g) + 6HCl(g) → 6HF (g) + N2 (g) + 3Cl2 (g)

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

Q: Determine the standard entropy of N2(g) given the following information: N2(g) + 3H2(g) --> 2 NH3(g)…

A: Entropy is the property of the system which measures the degree of disorder or randomness in the…

Q: If the absolute entropy for O2 (g) is 126 J/(mole∙K), what is the ΔS for the complete combustion of…

A: C2H4 (g) on complete combustion gives CO2(g) and H2O(g) We need a balanced equation for the…

Q: What is the entropy change for the reaction below, if the standard entropies of reactants and…

Q: Consider the following reaction under the standard state. 2 NO3 (g) = 2 NO2 (g) + 02 (g) The…

Q: Determine the entropy change for the this reaction. CaC2(s) + 2H2O(l) ---> C2H2(g) + Ca(OH)2(s)…

A: Given data,SoCaC2=70.0J/K.molSoH2O=69.9J/K.molSoC2H2=200.8J/K.molSoCa(OH)2=83.4J/K.mol

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

A: To calculate standard reaction entropy, we have to subtract the standard entropy of reactants from…

Q: A mole of N2 is allowed to expand from 0.5L to 10L at constant Temerature . calcuate its Entropy ?

A: The simplest practical reversible method to be used to compute the entropy is isothermal pathway if…

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

Q: Briefly: a. What does this say about an ideal gas? (@E/®V)† = 0 b. How do we know it is true? Either…

A: Internal energy is the energy associated with the random, disordered motion of molecules. Entropy is…

Q: NH2 OH + HX + NEN AH (kJ/mol) -386 260.1 30.00 -393.5 S (J/mol K) 166 191.3 191.5 213.8 146.0 D.…

A: “Since there are multiple sub-parts in this question and it is not mentioned that which one has to…

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

A: 2NH3(g) ---> N2H4(g) + H2(g)

Q: Which of the following species has the highest standard molar entropy (Sº) at 25 ºC? A. CH3OH(g)…

A: Gases have large amounts of entropy when compared to liquids and solids. When a solid becomes a…

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

A: Calculate entropy of the given reaction---

Q: Consider the reaction: CO(g) + H₂O(l) → CO₂(g) + H₂(9) - Using standard thermodynamic data at 298 K,…

Q: Consider: CO(g, 198, 29.4) + 2 H2(g, 29, 28.8) → CH3OH(g, 240, 44) What is its reaction entropy at…

A: Reaction entropy is calculated by the formula : dSrxn = Sf(Products) - Sf(Reactants) The standard…

Q: Q1/ A gas is mixed with 5 moles of B gas. The temperature, pressure and volume for mixture's final…

Q: Consider: CO(g, 198, 29.4) + 2 H2(g, 29, 28.8) → CH3OH(g, 240, 44) What is its reaction entropy at…

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

A: ->There is not proper equation .I think the equation is- Al2O3(s) + 3H2(g) --->2Al(s) +…

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: Arrange the following from lowest to highest entropy: LiBr(s), Nal(s), KI(s), LiCI(s). Assume 1 mole…

A: I Interpretation- increasing order of entropy . Concept introduction- Entropy- Entropy determines…

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

Q: Calculate the entropy of the following reaction using the data in the table. 4A +4B + 20 - 5D + 2E…

A: Entropy of the reaction is defined as the “difference of the standard entropies of the products…

Q: 5. Which of the following do you expect to have the largest molar entropy at 25 °C? a) H₂O (liq) b)…

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

Q: In which of the following is the substance with the lower molar standard entropy listed first?…

A: Atoms and molecules have internal vibration and there are some randomness among them. the measure of…

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

A: The reaction given is, => Al2O3 (s) + 3 H2 (g) → 2 Al (s) + 3 H2O (g)

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

A: Entropy is the measure of randomness. Greater is the disorder in the substance, higher will be the…

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

A: Given, 2CH3OH(g) + 3O2(g) ➝ 2CO2(g) + 4H2O(g) Species S° J/mol.K CH3OH(g)…

Q: 5. Calculate the standard entropy change ASº for the following: N2(g) + 5/2 O2(g) → N2O5(g) Given:…

Q: Process AH Exo or Endo Entropy change 1. 2H2) • Ozig) → 2H¿OM 2. C) + Ozig) → CO26) 3. CO2G) → Cu) +…

A: If the reactants have a higher energy content than the products, then the reaction is exothermic…

Question

Indicate which of the following has the largest standard molar entropy (S ").
Select one:
O a. CH;CH,OHy)
O b. CHa
O C Nago
O d. NH3 U)
e. CO20
For the hypothetical reaction A+B -> C+D, if AH and AS are both positive, which of
the following is true.
Select one
a. The reaction is spontaneous at low temperatures.
Ob. The reaction is spontaneous at high temperatures.
O. The reaction is not spontaneous in the direction written at any temperature.
d. The reaction is spontaneous in the direction written at all temperatures.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Estimate the temperature range over which each of the following reactions is spontaneous. (a) 2Al(s)+3Cl2(g)2AlCl3(s) (b) 2NOCl(g)2NO(g)+Cl2(g) (c) 4NO(g)+6H2O(g)4NH3(g)+5O2(g) (d) 2PH3(g)3H2(g)+2P(g)
Consider two processes: sublimation of I2(s) and melting of I2(s) (Note: the latter process can occur at the same temperature but somewhat higher pressure). I2(s)I2(g)I2(s)I2(l) Is S positive or negative in these processes? In which of the processes will the magnitude of the entropy change be greater?
In a spontaneous process, S(universe) is (a) 0 (b) = 0 (c) 0
The synthesis of glucose directly from CO2 and H2O and the synthesis of proteins directly from amino acids are both non-spontaneous processes under standard conditions. Yet it is necessary for these to occur for life to exist. In light of the second law of thermodynamics, how can life exist?
The deciding factor on why HF is a weak acid and not a strong acid like the other hydrogen halides is entropy. What occurs when HF dissociates in water as compared to the other hydrogen halides?
Limestone is predominantly CaCO3, which can undergo the reaction CaCO3(s)CaO(s)+CO2(g). We know from experience that this reaction is not spontaneous, yet S for the reaction is positive. How can the second law of thermodynamics explain that this reaction is not spontaneous?
In Figure 16.8 all possible distributions and microstates are shown for four different particles shared between two boxes. Determine the entropy change, S, if the particles are initially evenly distributed between the two boxes, but upon redistribution all end up in Box (b).
10.51 The combustion of acetylene was used in welder's torches for many years because it produces a very hot flame: C2H2(g)+52O2(g)2CO2(g)+H2O(g) H= -1255.5 kJ (a) Use data in Appendix E to calculate S for this reaction, (b) Calculate G and show that the reaction is spontaneous at 25°C. (c) Ls there any temperature range in which this reaction is not spontaneous? (d) Do you think you could use Equation 10.4 to calculate such a temperature range reliably? Explain your answer.
Methane can be produced from CO and H2.The process might be done in two steps, as shown below, with each step carried out in a separate reaction vessel within the production plant. Reaction 1 CO(g)+2H2(g)CH3OH(l) S = -532 J/K Reaction 2 CH3OH(l)CH4(g)+12O2(g) S= +162 J/K NOTE: You should be able to work this problem without using any additional tabulated data. (a) Calculate H for reaction 1. (b) Calculate Gf for CO(g). (c) Calculate S° for O2(g). (d) At what temperatures is reaction 1 spontaneous? (e) Suggest a reason why these two steps would need to be carried out separately. Substance Hf (kJ mol-1) Gf (kJ mol-1) S (J mol-1 K-1) CO(s) -110.5 197.674 CH3OH( l ) -238.7 -166.4 126.8 CH4(g) -74.8 186.2
In Figure 16.8 all of the possible distributions and microstates are shown for four different particles shared between two boxes. Determine the entropy change, S, for the system when it is converted from distribution (b) to distribution (d).
What is the second law of thermodynamics? For any process, there are four possible sign combinations for Ssys and Ssurr. Which sign combination(s) always give a spontaneous process? Which sign combination(s) always give a non-spontaneous process? Which sign combination(s) may or may not give a spontaneous process?
The reaction CO2(g)+H2(g)CO(g)+H2O(g) is not spontaneous at room temperature but becomes spontaneous at a much higher temperature. What can you conclude from this about the signs of H and S , assuming that the enthalpy and entropy changes are not greatly affected by the temperature change? Explain your reasoning.