4.36)  Predict the signs of ΔH, ΔS, and ΔG of the system for the following processes at 1 atm:  (a) ammonia melts at -60 C, (b) ammonia melts at -77.7 C, and (c) ammonia melts at -100 C.  (The normal melting point of ammonia is -77.7 C.)

Q: Calculate AG at 45°C for a reaction for which AHº = -76.6 kJ and AS° =-392 J/K AG° kJ

A: here the two thermodynamic  property  given  ∆H°=-76.6KJ∆S°=-392J/KUsing the formula∆G°=∆H°-T∆S…

Q: The dissolution of ammonium chloride occurs spontaneously in water at 25 °C. As NH4CI dissolves, the…

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Q: Choose the system with the greater entropy in each case:(a) 1 mol of H2(g) at STP or 1 mol of SO2(g)…

A: The give question can be answered by using Boltzmann entropy formula, K is Boltzmann constant. W is…

Q: 39 of 48 Which reaction is spontaneous at SATP? O AH=62.5 kJ, AS -1.25 J/K O AH--10.1 kJ, AS=-49.6…

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Q: a) image attached b) Calculate ΔG∘ at 296 ∘C c) tell whether the reaction has an equilibrium…

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Q: Consider the reaction: H20(4) → H20(g) at 110°C Which of the following shows the correct signs or…

A: We have to write the reason for the given reaction and find correct option

Q: Above what temperature (in ºC) does the reaction with H' of 192 kJ/mol and S’ of 622 J/mol·K become…

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Q: What are the three different methods to calculate ΔG° for a reaction? Which method would you choose…

A: The change in Gibbs free energy is used for determining the direction of a chemical reaction when…

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

A: Entropy is a thermodynamic quantity, it measures the randomness or disorderness of a molecule or…

Q: Which of the following has the greatest entropy- (a) H2O (g) at 100 °C (b) H2O (€) at 100 °C (c) H2O…

A: Entropy (∆S°) is generally the randomness or disorder present in the molecule. So, the amount of ∆S°…

Q: How does probability relate to spontaneity

A: A spontaneous chemical reaction proceed like a downhill. The spontaneity of a reaction can also be…

Q: The reaction A( g)<---->B( g) has an equilibrium constant of 5.8 and under certain conditions…

A: When the concentrations of both reactant and product becomes equal then, the reaction is said to be…

Q: The reaction for which AH° = – 1137 kJ & AS°=0.496 kJ/K at 45° C will go spontaneously.

A: From given data  ∆H°= -1137 kJ ∆S°= 0.496 kJ/K T= 45°C= 273 +45 =318 K  Formula used  ∆G°=∆H°-T∆S°…

Q: In photosynthesis, plants form glucose (C,H1206) and oxygen from carbon dioxide and water. Write a…

A: The balanced equation for photosynthesis is: 6CO2(g)+6H2O(l)→hvC6H12O6(s)+6O2(g) Determination of…

Q: Which of the following processes are spontaneous:(a) the melting of ice cubes at -10 °C and 1 atm…

A: A spontaneous reaction is defined as a reaction that takes place on its own and no external energy…

Q: Predict the sign of ∆Ssys for each of the following processes: Gaseous CO reacts with gaseous H2 to…

A: Entropy of the system is a measure of its randomness.If the number of molesare more,entropy will be…

Q: Predict the sign of ΔU, q, and w in the reaction given. 2C₆H₆ (s) + 7O₂ (g) → 4CO₂ (g) + 6H₂O (g)

A: ∆U = +ve q = +ve w = -ve

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

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Q: 4.) Which statement is correct at constant temperature and pressure? A. All reactions for which…

A: Spontaneity of any system is decided by the value of ΔGsys.

Q: (a) Using the heat of vaporization in Appendix B, calculatethe entropy change for the vaporization…

A: a) First calculate the entropy change of the given process at 25oC Given, The temperature of the…

Q: Predict the sign of the entropy change of the system foreach of the following reactions:(a) N2(g) +…

A: We will answer first three subparts at a time since you have not mentioned the exact subparts that…

Q: C (diamond) -------> C (graphite)

A: Calculate ΔGo for the process conversion of C(diamond) into C(graphite). ΔGo is the Gibbs free…

Q: D. PCI, (s) → PCI,(1) + Cl, (g) The entropy, ASixn, mol Angas decreases. increases. has little or no…

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Q: What do you expect for the sign of ΔS in a chemicalreaction in which 2 mol of gaseous reactants are…

A: is the change in entropy. Entropy is the measure of randomness or disorders. In a reaction, if the…

Q: d standard entropy change for the reaction are: =-114.0 JK' mot", respectively. rgy change for the…

A: This question is related to Thermodynamics

Q: Predict the sign of the entropy change, AS, for the following processes. Indicate the reason for…

A: The reactions given are,

Q: QUESTION 2 List the following in terms of increasing entropy, assuming one mole each of H20 (1), C…

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Q: 5. The entropy change of the process H2O (s) H2O () is 22 J/K at 0 °C. Calculate the enthalpy of…

A: H2O(s)↔H2O(l)∆H=22J/KT=0∘C=0+273K=273K∆S=∆HT

Q: Ribozomes in your body create proteins by combing amino acids together. What are the signs of AG,…

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Q: What must the sign of ∆G be for any spontaneous process

A: Dear student I have given answer to your question in the image format.

Q: Predict the sign of ΔS for each process.(a) H2O(g)¡H2O(l )(b) Solid carbon dioxide sublimes.(c) 2…

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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: Predict the sign of the entropy change of the system for each of the following reactions: (a) N2(g)…

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Q: For the reaction, A + B C, AH° = -40 kJ, and AS° = +80 J/K. Which of the following statements is…

A: Given: ∆H°=-40 kJ ∆S°=+80 J/K

Q: Which of the following processes are spontaneous andwhich are nonspontaneous: (a) the ripening of a…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Predict which member of each of the following pairs hasthe greater standard entropy at 25°C: (a)…

A: In this question, first we will see which substance have greater standard entropy value. You can see…

Q: At 298 K, ΔH° for this reaction is -137.5 kJ/mol, and ΔS° is +120.5 J/K. What is the value of ΔG°…

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

Q: Use the table below to answer the questions that follow. The value of standard entropy change, AS°,…

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Q: Which of the following rcactions will have a positive change in entropy (ASn)? →2 NO2 (g) a) NO (g)…

A: Entropy ( S ) :  It is a measure of randomness or disorderness in system. Entropy is more in gaseous…

Q: Predict the sign of entropy. Write P if it is positive and N for negative. • sugar dissolving in tea…

A: Entropy is defined as the randomness of the system.

Q: 14) Predict the sign of AS for each process. A) H2O(g) → H20(1) B) Solid carbon dioxide sublimes C)…

A: Since we know that entropy of a reaction depend upon following factors . (1) on the physical state…

Q: Arrange Au(s), Al(s), and C(s) in order of increasing entropy. Assume the three solids are at the…

A: The correct order of entropy is given below

Q: 10. Use the data: AGº (CO) = -137.2 kJ, AGº (C) = 0 kJ, AGº (O₂) = 0 kJ, to find K at 298 K for the…

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Q: 1. The heat of fusion for water is 333.6 J/g. What is the entropy change for the universe when 1.00…

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Q: Which pair of reactant will produce a spontaneous reaction if everything is present in its standard…

A: The standard reduction potential of Cu and Fe is as follows: Cu2++2e−→Cu…

Q: Without reference to any data tables, choose which member of the following pairs has the lesser…

A: Entropy is defined as the randomness of the system.

Q: Explain why water spontaneously freezes to form ice below 0 °C even though the entropy of the water…

A: Entropy is the randomness or disorder. As the disorder increases the entropy increases, while the…

Q: . Chloroform, CHC13, has a normal boiling point of 61 °C and it enthalpy of vaporization is 29.24…

A: Formula used:- ∆G°=∆H°-T∆S° But in this condition ∆G° = 0  Thus new formula is ∆S° = ∆H°/T

Q: Given: In principle, ethane gas can be obtained from the natural gas methane using the following…

A: The given reactions are : 2 CH4 (g) → C2H6 (g) + H2 (g) H2 (g) + ½ O2 (g) → H2O (g)