(a) Predict the sign of AS with explanation for each process. (i) H2O (g)→H2O (1) (ii) Solid carbon dioxide sublimes. (iii) 2N20 (g) →2N2 (g) + O2 (g)

Q: In which of the following processes is AS° negative? A. C,H3 (g) → C,,H3 (s) В. Н.О (s) —> Н,0 () C.…

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…

Q: Which substance has the greatest entropy, H2O(l) or H2O(g)?Explain your reasoning.

A: Entropy is the thermodynamical property. It is the measure of the system's thermal energy per unit…

Q: When ammonium chloride is added to water and stirred, it dissolves spontaneously and the resulting…

A: When ammonium chloride is added to water and stirred, it dissolves spontaneously and the resulting…

Q: 10) Show that it is a spontaneous process for water to boil at 110 °C.

A: When we superheat liquid water at 110°C, the nature of the reaction can be stated by following it's…

Q: 6. A reaction has a AH° of -29 kJ and AS° is -60. J/K. Calculate the temperatu from spontaneous to…

A: Spontaneous reactions are those reactions which proceed on their own without any external force.…

Q: In a particular spontaneous process, the entropy of the system decreases. What can you conclude…

A: Spontaneous process: In thermodynamical terms, a spontaneous process is a process in which…

Q: Ammonium nitrate dissolves spontaneously and endothermically in the water at room temperature. What…

A: The Gibb’s free energy expression is as follows, Here, ∆G is Gibb's free energy, ∆H is the enthalpy…

Q: For the following reaction predict the sign of ΔS and justify your answer with reasoning.…

A:

Q: The air bags that provide protection in automobiles in theevent of an accident expand because of a…

A: The air bags that provides protection in the automoblies during the aciidents is a sponataneous and…

Q: combustion reaction of propane (C3H8), determine ΔG° in kj mol-1 and predict if the reaction is…

A: Combustion equation of C3H8 - C3H8(g) + 5O2(g) ----> 3CO2(g) + 4H2O(g) ->Value may differ…

Q: Given the following information, calculate the free energy change (AG) at the temperature indicated…

A:

Q: Which of the following is TRUE for a spontaneous process? Ο ΔΗΤAS

A: In this question we have to tell the condition for the spontaneous process.

Q: At high temperatures, ammonia decomposes to N2 and H2:  2NH3 (g)= n2(g) + 3H2 (g) ΔH for the…

A: Given information, ΔH for the reaction is positive and ΔS are positive. The given decomposition…

Q: In a particular spontaneous process, the number of microstates availableto the system decreases.…

A:

Q: 3.) For each process, determine the sign of AS for the system: (a) decomposition of CaCO3(s) to give…

A: To solve this problem we have to determine the sign of ∆S  for the given system .

Q: Solid N205 reacts with water to form liquid HNO3. Consider the reaction with all substances in their…

A:

Q: Which of the following statement(s) are true for the reaction I2 (g) 21 (g)? (1) AS is positive (ii)…

A: Dissociation of iodine takes place at high temperature which means this is a endothermic reaction.…

Q: When ammonium chloride is added to water and stirred, it dissolves spontaneously and the resulting…

A: The reaction of ammonium chloride with water is as follows, NH4Cl + H2O→NH4OH + HCl

Q: For the reaction of xenon and fluorine gases to form solid XeF4, AH° = -251 kJ and AG° = -121 kJ at…

A: The standard Gibbs energy change of a chemical reaction is defined as the Gibbs energy change that…

Q: c) Caco, (s, calcite) + 2 Ha (g) > Cada (s) • CO: () + H:0 (1) irst, predict the sign of AS the sign…

A: Given: The chemical reaction is, CaOs+2HClg→CaCl2s+CO2g+H2Ol......(1) The standard molar entropy of…

Q: 7) Calculate AG for a reaction at 85 °C if AH is -34.6 kJ and AS is -114 J/K. Is the reaction…

A: Given ΔH = -34.6 kJ ΔS = -114 J/K T = 85°C

Q: Which process has a positive AS?

A: Entropy is a thermodynamic property which measures the disorderness or unevenness or randomness. The…

Q: Predict the sign of entropy. Write P if it is positive and N for ative. Write your answer on the…

A: Entropy:  Degree of randomness (or) disorderness is said to be entropy It is represented by ∆S…

Q: In a chemical reaction, two gases combine to form a solid. What do you expect for the sign of ∆S?

A: Entropy is a measure of randomness.The sign of change in entropy will come out to be negative if…

Q: is a spontaneous process necessarily exothermic? Give examples to support answer.

A: Spontaneous processes are those processes which take place on their own without providing any energy…

Q: Consider what happens when a sample of the explosiveTNT is detonated under atmospheric pressure. (a)…

A: When a sample of the explosive TNT is detonated under atmospheric pressure it releases a high amount…

Q: Ammonium nitrate dissolves spontaneously and endothermallyin water at room temperature. What can you…

A: If NH4NO3 dissolves spontaneously in water,

Q: Steam is condensed at 100 ‰, and the water is cooled to 0 ‰and frozen to ice. What is the molar…

A: Entropy change is given by ∆S=∆H/T ,where ∆H is change in enthalpy and T is temperature.

Q: Predict the sign of the entropy change (ΔS˚) for the reaction. Justify your answer. Use the…

A: Given, ΔH˚rxn in kJ/molrxn

Q: Without doing a calculation, predict the sign of ΔS for each of the following reactions:

A: Given : We have to predict the sign of entropy.

Q: Given that for the melting of sodium chloride AHfusion = 28.16 kJ/mol and ASfusion = 26.22 J/(K·…

A: Given ΔHfus = 28.16 kJ/mol = 28160 J/mol ΔSfus = 26.22 J/(mol.K)

Q: Predict the sign of ΔSₛᵧₛ for each process:(a) Alcohol evap-orates. (b) A solid explosive converts…

A: Entropy is a measure of a degree of randomness or a degree of disorder of molecules in a system.

Q: Classify the possible combinations of signs for a reaction's AH and AS values by the resulting…

A:

Q: If the AH = 287 kJ/mol and AS = 57 J/K mol for a nonspontaneous reaction, at what temperature does…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: When sodium nitrate is added to water and stirred, it dissolves spontaneously and the resulting…

A: The expression for the spontaneity of the reaction is shown below: ΔG = ΔH – TΔS Where; ΔG is change…

Q: . Predict the sign of AS for each of the following reactions. a. N2(g) + 3 H,(g) → 2 NH3(g) b.…

A: The reactions given are,

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: (a) What are the signs of ΔS and ΔH for the process depictedhere? (b) If energy can flow in and out…

A: Entropy(S) is a thermodynamic property which denotes the degree of disorder or randomness of the…

Q: For a reaction that has ∆H of -30 kJ and ∆S of -62 J/K, estimate at what temperature will the…

A: ∆G = ∆H - T∆S…

Q: Is the entropy of a bag of popcorn greater than, less than, or equal to the entropy ofthe kernels of…

A:

Q: 2 NO(g) + O2 (g) → 2 NO2(g) AH° = –112 kJ Answer the following questions about the reaction…

A:

Q: The AH and AS for the decomposition of sulfur tetrabromide to sulfur and liquid bromine is +115 kJ…

A: The decomposition of sulfur tetrabromide to sulfur and liquid bromine reaction can be written as…

Q: The total entropy change will determine whether a process is spontaneous (favours the forward…

A: Entropy :- It is thermodynamic quantity which refers to randomness or disorderness of system and…

Q: What are the criteria for spontaneity(a) in terms of entropy and(b) in terms of free energy?

A: The Gibbs free energy is an important parameter to predict the feasibility of a process. The entropy…

Q: Without consulting Appendix B, arrange each group in or-der of increasingstandard molar entropy…

A: (a) Diamond has an ordered three dimensional crystalline shape, followed by graphite with an ordered…

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

A:

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: What is entropy, and what is ΔS for a reaction, and what does it mean if ΔS is positive or negative?

A: Answer  The measurement of randomness is called entropy, entropy…

Q: Determine if liquid water will spontaneously freeze at -10.00°C? Is it spontaneous at +10.00°C? What…

A: The process of conversion of ice into water is known as melting. The temperature at which this…