5. What temperature does the following reaction become spontaneous? Ni(CO)4 (I) → Ni (s) + 4CO(g) AH (kJ/mol) -632.0 -110.53 S (J/K mol) 320.1 29.87 197.67

Q: Below what temperature does the following reaction become spontaneous? FeO(s) + CO(g) → CO2(g) +…

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Q: Which of these processes are spontaneous? (a) Water evaporates from a puddle. (b) A lion chases an…

A: The processes that are spontaneous has to be identified.

Q: Photochemical smog is formed through a sequence of reactions, the first of which is N2(g) + O2(g) ⟶…

A: For a reaction to be spontaneous ,    should be negative Hence  value of should be greater than ,

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

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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: 8. Assuming AS° and AH° do not vary with temperature, at what temperature will the reaction shown…

A: The solution is as follows :

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: When is a reaction never spontaneous?   Keq   ∆H>0, ∆S>0   Keq0

A: Free energy of a system is the difference between the initial-state energy and the equilibrium…

Q: es the following reaction become non spontaneous? 2 H2S(g) + 3 O2 (g) ⟶⟶ 2 SO2(g) + 2 H2O(g)     ΔH…

A: In classical thermodynamics, the chemical reaction is called non-spontaneous if the Gibbs free…

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

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Q: For a given reaction, the A H° = 30.91 kJ/mol and A S° = 93.23 JK -'mol -'. At what teperature will…

A: Given data  Enthalpy  ΔH  = 30.91 kJ / mol Entrophy ΔS = 93.23 JK-1mol-1

Q: Consider this reaction: 2HCI(aq) + NazCO3(s) → CO2(g) + H2O(1) + 2NACI(aq) AS° = 267.00J/K.mol; AH°…

A: Given: ΔSo > 0 ΔH < 0

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

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Q: A reaction is always non-spontaneous when   ∆H>0, ∆S>0   ∆H>0, ∆S   ∆H   ∆H0

A: In this question, we will Select the correct condition for non-spontaneous Reaction ( which is…

Q: Δ G o     for the reaction H2(g) + I2(g) ⇌ 2HI(g) is 2.60 kJ/mol at 25 ° C. Calculate…

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Q: H0 b. ∆H0, ∆S>0 d. ∆H>0,

A: The spontaneity of the reaction is measured by the Gibbs free energy equation that relates the…

Q: At 25 °C the formation of NH, (g) has a positive AS" systom. Is this reaction spontaneous or…

A: Given: ∆Ssystemo=+180 J/K T = 25oC ∆HfoN2g=0 kJ/mol∆HfoH2g=0 kJ/mol∆HfoNH3g=-45.9 kJ/mol

Q: Consider the reaction: 2 A (s) + 10.4 kJ ------ 2 B (s) + 3 C (g), at what temperature(s) would you…

A: For any reaction to be spontaneous, its Gibbs energy must be negative i.e below 0. Here, the…

Q: The following reaction is not a spontaneous at standard state conditions. at what temperature does…

A: For reaction to be spontaneous the standard Gibbs free energy (ΔGo) must be less than zero.

Q: Calculate the free energy change for this reaction at 25 °C. Is the reaction spontaneous? (Assume…

A: Given information, C3H8( g) + 5 O2( g)-------->3 CO2( g) + 4 H2O( g)ΔH °rxn = -2217…

Q: Calculate the free energy change for the following reaction at 25°C. Is the reaction spontaneous at…

A: Given: ΔHrxn = −1269.8 kJ ΔSrxn=−364.6 J/K T = 25°C = 298 K

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: SO2(g)+2H2S(g) --> 3/8S8(s)+2H2O(g)  at what temperature does the reaction become spontaneous?

A: Since the reaction becomes spontaneous when the net gibbs free energy change of the reaction becomes…

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: D The formation of Nitrogen monoxide from its elementS IS nonspontanecus under ambient temperatures,…

A: A reaction is said to be spontaneous when the value of ∆G is negative. According to Gibbs-Helmohltz…

Q: A spontaneous reaction does not require external stimuli. O True O False

A: A spontaneous reaction doesn't requires any stimulus. They are also known as natural processes…

Q: Which of the reactions are spontaneous (favorable)? O 2 H,O(g) 2 H,(g) + O,(g) AG = 457 kJ/mol CH,…

A:

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: Consider the following reaction, known as the Haber process for the production of ammonia: N2(g) + 3…

A: The given reaction is involved in the Habers process for the production of NH3  N2(g) + 3 H2(g)…

Q: spontaneous

A:

Q: AH°, kJ/mol S°, J/mol·K 3. What is the lowest temperature at which the following reaction is…

A: Given reaction H2O(g)  +  C(s) → H2(g)  + CO(g)∆Hrxn0 = ∑  ∆Hf0(Product) - ∑ ∆Hf0(reactant)∆Hrxn0 =…

Q: Classify each of the following reactions as spontaneous only at low temperatures (i), only at high…

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Q: What are the AHrxn and ASrxn values that indicate a spontaneous reaction at all temperatures? O…

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Q: Consider the reaction: NH4Cl (s) → NH3 (g) + HCl (g) ArS 94.6 J K-¹mol-¹ A,H= 175.98 kJ/mol a)…

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

Q: Consider the reaction represented below, which is spontaneous at 298 K.  SO2(g) + 2 NH3(g) →…

A: From the chemical equation, it is cleared that the entropy change for the reaction is negative, and…

Q: 11. The reaction below is conditionally spontaneous. Using the data below, which is the critical…

A: We have the change in Gibbs free energy formula, ∆G = ∆H - T∆S If the reaction is spontaneous, the…

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: Determine the amount of free energy of the reaction at 25 ℃ represented by the equation below. Is…

A: ∆G° = ∆H° - T∆S°  So in this reaction first determine ∆H° and ∆S° then determine ∆G°  If ∆G° < 0…

Q: 17. For the decomposition of hydrogen peroxide to water and oxygen, H;O2(g) H;O(g) + ½O2(g) AH° =…

A: The Gibb's free energy at constant temperature and pressure is given by the equation: ∆G=∆H-T∆S…

Q: For the following reaction, calculate the a.ΔrxnH, b.ΔrxnS, c. ΔrxnG (25°C) of the following…

A: Given, H2 (g) + I2 (s) --> 2 HI (g) At 25 °C, the a.ΔrxnH, b.ΔrxnS, c. ΔrxnG is:

Q: Decomposition of CaCO3 has a AH° = 178.3 kJ/mol and AS° = 159 J/molK. At what temperature does this…

A: We need to find the temperature for which reaction becomes spontaneous.

Q: 17. For the reaction: A + B C AH°= +45 kJ/mol and AS° = +60 J/K.mol. At what temperature will this…

A: For the reaction: A + B  →C ∆H°= +45 kJ/mol ∆S° = +60 J/K.mol.  For a spontanseous reaction ∆G°<0…

Q: Explain the difference between the spontaneity of a reaction and the speed at which the reaction…

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Q: Classify each process as spontaneous or nonspontaneous. Spontaneous Nonspontaneous Answer Bank A…

A: Spontaneous process :- A process which takes place on its own without the need of any external…

Q: Which of the following processes are spontaneous?  Spreading a fragrance of perfume through a room.…

A: Spontaneous reaction: The process which does not need any external energy for the initiation of the…

Q: The combination that always gives a spontaneous process is __. a) +ΔH                       +ΔS b)…

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Q: 51. Consider the reaction (8)*0 • 20(g) → 0;(g) a. Predict the signs of AH and AS. b. Would the…

A: Here, by analyzing the equation we have to predict the sign for change in enthalpy and change in…