Which of the following reactions are/is spontaneous? a) The melting of ice cubes at -5°C and 1 atm b) Naphthalene sublimes at room temperature c) Dissolution of sugar in a cup of hot coffee d) The alignment of iron filings in a magnetic field e) Spreading of fragrance of perfume through a room

Q: Here is the reaction of carbon monoxide and hydrogen to form gaseous methanol at 298 K. (a)…

A: (a) ∆S° = -219.2 J/K (b) Sign of ∆S° = -ve (c) ∆H° = -90.5 kJ (d) ∆G° = -ve ( spontaneous reaction )

Q: You are studying the decomposition of CaCO3(s). CaCO:(s) → Cao(s) + CO2(g) ) At what temperature…

A: Given reaction:  Decomposition of CaCO3(s)

Q: A reaction is nonspontaneous at room temperature but is spontaneous at -40oC. What can you say about…

A: To determine the signs and relative magnitudes of ∆H, ∆S, and -T∆S.

Q: Which of these processes are spontaneous? (a) Earth moves around the Sun. (b) A boulder rolls up a…

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between systems…

Q: Which of the following processes are spontaneous?(a) Methane burns in air. (b) A teaspoonful of…

A:

Q: Which of the following is a spontaneous process? A. A ball rolls up a hill B. A fruit turns yellow…

A: Given processes, A. A ball rolls up a hill B. A fruit turns yellow as it ripens C. Ice is formed at…

Q: Which reaction is spontaneous at SATP? AH=41.5 kJ, AS=-12.9 J/K AH=8.75 kJ, AS=21.2 J/K AH=24.9 kJ,…

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Q: A reaction is spontaneous at all temperatures. Which of the following statements is true? AHen 0…

A: Spontaneity of a reaction depends on the enthalpy as well as the entropy change. For a reaction to…

Q: Which of these processes is spontaneous?a. the combustion of natural gasb. the extraction of iron…

A: The spontaneous process can take place without having energy from the external source. In these…

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: 15) Consider the reaction for the decomposition of carbon tetrachloride gas: CCIA(g) C(s, graphite)…

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Q: Which of the following combinations of signs for AH and AS will always result in a reaction being…

A: The importance of Gibbs energy is that it gives information about the spontaneity of the reaction or…

Q: Identify whether the following process is spontaneous or nonspontaneous. Explain your answer.…

A: Given process, Dissolving table salt in boiling water. Melting ice at 25.0°C.

Q: Which processes are spontaneous at room temperature? Mark all that apply. O Helium mixing with the…

A: Out of the given options first three are spontaneous process at room temperature.

Q: Which of the following processes is spontaneous? A) Heat coming out of an open oven. B) A puddle…

A: Spontaneous processes are those processes which donot need any external force to occur .  Ex.  A)…

Q: Under certain conditions, nitrogen gas and oxygen gas react to form the toxic brown gas nitrogen…

A: The standard Gibbs free energy, △Go is given as : If the value of △Go is positive or greater than…

Q: Find ΔS° for the combustion of methane to carbon dioxideand liquid water. Is the sign of ΔS° as…

A: To Find: To find the ∆So value for the combustion of methane to carbon dioxide and liquid water. And…

Q: At what temperatures is the following reaction spontaneous: HCI (g) + NH3 (g) → NHẠCI (s) + heat…

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Q: d Silver nitrate is added to a solution of sodium chloride and a precipitate forms. spontaneous…

A: Here we have to predict whether the following given reactions are spontaneous or nonspontaneous…

Q: are the signs for ΔH° and ΔS°, for a reaction that is ONLY spontaneous at low temperatures:

A:

Q: ) Are the following processes spontaneous or nonspontaneous? What is the sign on AG? a. Water…

A: The spontaneous reaction occurs without any external conditions whereas the nonspontaneous reaction…

Q: 4. Which of the following is spontaneous at SATP?   water condensing   Fe(s)→Fe(l)   wheat changing…

A: Here SATP is spontaneous at room temperature.  There must be increase in randomness for greater…

Q: 2 NH3 (g) + 2 O2 (g) → N20 (g) + 3 H20 (g) Is this reaction spontaneous only at low temperatures,…

A:

Q: Which of the following processes are spontaneous?(a) Earth moves around the Sun. (b) A boulder rolls…

A: Non spontaneous process sun and the earth are attracted to each other due to the gravitational…

Q: Which two of the following are spontaneous processes? (Circle only two): a) rusting of an iron nail…

A: A reaction which occurs without the input of energy is called a spontaneous reaction.

Q: 4.14)  A sample of neon (Ne) gas initially at 20 C and 1.0 atm is expanded from 1.2 L to 2.6 L and…

A: The temperature has to be converted from degree Celsius to Kelvin.

Q: for this reaction: H2O(g) →  H2O(l) → (gets hot, s

A: When water changes its states from gas to liquid there is a change in states of water from gaseous…

Q: Identify whether each process is spontaneous or nonspontaneous. 1.Silverwares tarnish when exposed…

A: A spontaneous process is one that takes place without an input of energy from an external source. A…

Q: For the reaction C6H6 (l) + 3 H2 (g)  -->  C6H12 (l)        ΔHo = –206.7 kJ/mol What statement is…

A: We know that   ΔGo =  ΔHo - T ΔSo and for a reaction to be spontaneous  ΔGo should be negative.

Q: 2.6. The reaction COXg) H2(g)-> CO(g) + H20(g) is not spontaneous at room temperature but becomes…

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Q: Consider a reaction that has a negative AH and a negative AS. Which of the following statements is…

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Q: نقطة واحدة Mixing of two or more gases is a spontaneous process O non-spontaneous process none of…

A: *.When more than one gas mix together , then completely mix together and hence a spontaneous…

Q: One of the following processes is spontaneous at 298 K Which one? 1. H2O(l)-H2O(g, 1 atm) 2.…

A: One of the following processes that is spontaneous at 298 K is to be determined.

Q: The following reaction for the production of hydrogen cyanide is spontaneous under standard…

A: In given reaction , formation of HCN is a endothermic process.

Q: 17. Classify the following processes as spontaneous or nonspontaneõus. Explain your answers in terms…

A: Hi, we are supposed to answer one question. To get the remaining questions solved please mention the…

Q: Which of the following processes are spontaneous: the reaction of hydrogen gas with oxygen gas to…

A: A reaction is considered as spontaneous when it releases free energy and it favors the formation of…

Q: Indicate whether the following processes are spontaneous or nonspontaneous.(a) Liquid water freezing…

A: Spontaneous reactions are those reactions which takes place without any intervention in the given…

Q: Predict whether each process is spontaneous as described, spontaneous in the reverse direction, or…

A: A reaction is spontaneous if ∆S is positive. Entropy (S) is the measure of degree of randomness.…

Q: waterand For the decomposition of hydrogen peroxide to H202(9) oxygen, → H20(g) + %02(g) AH = -106…

A:

Q: 1.With respect to the system only, a reaction with ΔH < 0 and ΔS < 0 is predicted to be ___________.…

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

Q: Nitric oxide reacts with chlorine to form NOCI. The data refer to 298 K. 2NO(g) + Cl2(3) → 2NOC(g)…

A: The standard Gibb's free energy change of a reaction at 298 K can be calculated by the following…

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

A: Spontaneous process The process that can take place without the assistance of any external factor is…

Q: Indicate whether each process is spontaneous or nonspontaneous. a. water vapor condensing at 50 °C…

A: Answers are explained below.

Q: For the reaction depicted in the molecular scenes, X is redand Y is green.(a) Write a balanced…

A: Entropy explains the measure of randomness of a given system. For a reaction, the entropy would be…

Q: For the synthesis of ammonia where AG' = -33.3 kJ/mole, determine whether the reaction is…

A: The reaction given is, =&gt; Given:   And ΔGo = -33.3 KJ/mol = -33300 J/mol…

Q: 19.) Consider the following reaction, determine the temperature at which it is spontaneous? SO3 (g)…

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