CaO (s) + CO2 (g) → CaCO3 (s) At what temperature does the reaction become spontaneous?

Q: Which of the following samples of substances is likely to have the largest entropy? 1 mol KCI(aq) 1…

A: The gas phase has highest entropy followed by liquid. Solids have lowest entropy.

Q: Which process results in the increase in entropy of the universe? a) the cooling of a hot cup of…

A: To find: The process which results in the increase in the entropy of the universe.

Q: What temperature does the following reaction become non spontaneous? 2 H2S (g) + 3 O2(g) —> 2…

A:

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: The combustion of gasoline is a spontaneous process. If this reaction proceeds spontaneously, why…

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Q: Which of the following processes are spontaneous?(a) A satellite falls to Earth. (b) Water…

A: A spontaneous process occurs by itself (possibly requiring an initial input of energy) whereas a…

Q: 1. Classify the following processes as "Spontaneous" or "Non-spontaneous": (i) (ii) (iii) (iv) (v)…

A: Spontaneous process is the type of  random process is one that takes place alone and has no external…

Q: A student calculated that for a given reaction, ∆S = 22J/K and ∆H =6028 Joules. At which temperature…

A: The relation between Gibbs free energy, enthalpy and entropy with temperature is  ∆G = ∆H - T∆S  If…

Q: SO3 + H2O -> H2SO4 Is this chemical reaction spontaneous or non- spontaneous? Fast or slow?

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

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

A:

Q: Consider the following reaction: N2(g) + 3H2(g) ⇄ 2NH3(g) A. When would this reaction be…

A: Reaction :                                   N2(g) + 3H2(g) ⇄ 2NH3(g)…

Q: CCl4 (l)    CCl4 (g)      At what temperature does the phase change become spontaneous?  (Give in…

A: Answer is explained below.  For this problem required thermodynamic parameters are as follows:

Q: Under what conditions does an increase in temperature turn a nonspontaneous process into a…

A: For a spontaneous reaction, ∆G (change in Gibbs free energy) must be negative.

Q: For a chemical reaction to be spontaneous only at low temperatures, which of the following…

A: For any reaction to be spontaneous, the value of ΔGo i.e DGo of the reaction should be -ve. Hence…

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: For the reaction C2H6 (g) → C2H4 (g) + H2 (g) ΔH° is +137 kJ/mol and ΔS° is +120 J/K ∙ mol. This…

A: Given, The balanced chemical equation, C2H6 (g) → C2H4 (g) + H2 (g) ΔH°=+137 kJ = 137000 J, and ΔS°…

Q: 17. Classify the following processes as spontaneous or nonspontaneðus. Expl your answers in terms of…

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

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

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Q: Which of the following sets of systems are in order of increasing entropy? AH,(8), HBrO,(8), HBr(g)…

A: ***As you didn't write that which question you want to solve me.. hence I'm solving first question.…

Q: The heat of vaporization of methanol, CH3OH, is 35.20 kJ/mol. Its boiling point is 64.6°C. What is…

A: The change in entropy  for the vaporization of methanol has to be calculated, Given: The heat of…

Q: Over what temperature range will the reaction KClO3(s) → KCl(s) + 3/2 O2(g) change from being…

A: Solution -

Q: 11.11 A student was asked to propose three reactions for the oxidation of carbon or a carbon…

A: For a reaction to be spontaneous: ∆G=-ve (spontaneous)∆G=+ve (non-spontaneous) For the reaction: a)…

Q: Classify the following processes as spontaneous and nonspontaneous. Explain your answers in terms of…

A: (a) Water can split into its atomic counterparts, hydrogen and oxygen gas by passing an electric…

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: At 25 oC, which of the following substances has the least molar entropy? A. N 2(g) B. C 6H 6(l) C.…

A: Given,        Four substances are given  -                                    A. N2 (g)  B. C6H6 (l)…

Q: Find the temperatures at which reactions with the following ΔH and ΔS values would become…

A: Given: a) ΔH= -126 kJ/mol,   ΔS = 84 J/K.mol We need to find out temperature at which reaction is…

Q: Under what conditions does an increase in temperature turn a nonspontaneous process into a…

A:

Q: II. Predict and explain why the sign of the change in entropy for the following processes: 1.…

A: Entropy is basically associated with the randomness of the system. If randomness increases entropy…

Q: The graph below shows the change in Gibbs free energy for two reactions. Change in Gibbs Free Energy…

A: Given:

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: Methanol is burned as fuel in some race cars. This makes it clear that the reaction is spontaneous…

A: According to the second law of thermodynamics, the free energy change of the spontaneous process is…

Q: Oxygen molecules dissociate to form oxygen atoms. spontaneous nonspontaneous A tray of water is…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

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: 4. At what temperature the reaction becomes spontaneous? 5. The vant Hoff's equation works if…

A: The Vant't Hoff equation gives us the relation between standard Gibbs free energy change ∆G and…

Q: Describe each  reaction  as spontaneous or non-spontaneous. Sn^2+  +  Br2 -----> Sn^4+  +  2Br^ -

A: A reaction is said to be spontaneous when its ∆G° value is negative. Relation between ∆G° and…

Q: A student calculated that for a given reaction, ΔS = 22 J/K and ΔH = 6,028 Joules. At which…

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Q: 8e. Consider the following reaction: CacO3 (s) → Cao (s) + CO2 (g) Data: A,H = +177.5 kJ mol1 AS =…

A: Given: To find: The temperature of the spontaneous reaction Formula: Where is the entropy  is…

Q: The standard enthalpy change and standard entropy change for the reaction are: AHP = -1036.0 kJ mol1…

A:

Q: 8. The following constant pressure process occurs spontaneously when the system, initially at a…

A: Spontaneous reactions are those reactions which do not require any external force for completion.…

Q: 4. The entropy will usually increase when 1. a molecule is broken into two or more smaller…

A:

Q: methanol is burned as fuel in some race cars. This makes it clear that the reaction is spontaneous…

A: From the second law of thermodynamics Entropy of the universe always increases. Or, the change in…

Q: Which of the following reactions is likely to have the most negative change in entropy? NH3(g) b.…

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Q: Predict how the entropy of the substance is affected in each of the processes. N, (1, 75 K) → N,(g,…

A: Entropy: It is the thermodynamic property which measure the disorderness or randomness. Higher the…

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

A: Answers are explained below.

Q: All of the following are examples of a spontaneous process EXCEPT a nail left outside in the rain…

A: A spontaneous process is capable of proceeding in a given direction without needing to be driven by…

Q: Methanol is burned as fuel in some race cars. This makes it clear that the reaction is spontaneous…

A:

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

A: 1. Silverware tarnish when exposed to air. This process is Non-spontaneous.

Q: Consider the two reactions below, resulting in the formation of hydrazine a. Reaction A: 2 NH3 (g)…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

Q: For the decomposition of mercury(II) oxide, HgO, to mercury and oxygen:What is the standard change…

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Q: Which pure substance under standard conditions would have the highest entropy?   O2   HCl   CH3OH…

A: Standard conditions are usually defined as 298 K (25 degrees Celsius) and 1 atm of pressure. Note…