Consider the reaction for the decompositon of carbon tetrachloride gas: CCl4(g) ⟶ C(s, graphite) + 2 Cl2(g) ΔH = +95.7 kJ; ΔS = +142.2 J/K (a) Calculate ΔG at 25°C and determine whether the reaction is spontaneous. (b) If the reaction is not spontaneous at 25°C, determine at what temperature (if any) thereaction becomes spontaneous.

Q: Consider the reaction below for the decomposition of carbon tetrachloride gas:  CCl4(g)    ------>…

A: A negative value of Gibbs free energy change is indicated spontaneous reaction whereas a positive…

Q: Determine the free energy change for each of the following reactions, which are run under standard…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Consider the following reaction at 298 K: Si(s) + 2 Cl2(g) → SiCl4(g) Calculate the following: a)…

A: Introduction :  A thermodynamic system can be defined as a body which is confined in a space and…

Q: which of the following reaction is spontaneous at 25c when each of the reactants and products are in…

A: The objective of the question is to determine whether the given reaction is spontaneous at 25°C when…

Q: For a particular chemical reaction DH = 6.8 kJ and DS = –29 J/K. Under what temperature condition is…

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A: ∆SCH3OH = 126.8 kJ/mol ∆SCH4 = 186.264 kJ/mol ∆So2 = 205 kJ/mol

Q: Consider the reaction:  H2S(g)+SO2(g)---> 3S(g)+2H2O(l) for which delta H is -233 kJ and delta S…

A: Given:

Q: Predict the sign of delta H and delta S for the reaction X(s) = X(g) and state under what conditions…

A: As solid  X is transformed into gaseous species. thus in this reaction entropy increases as the…

Q: At what temperature would a given reaction become spontaneous if the AH = +157 kJ and AS = +333 J/K?

A:

Q: A reaction has values ΔS = 78.3 J K-1 mol-1 and ΔH = 46.5 kJ mol-1. At what temperature (in °C) will…

A: For a reaction becoming spontaneous the value of ∆G must be negative.

Q: (a) For the following reactions, using the provided AH and AS data, determine whether each one would…

A: ##Since you have posted multiple questions with multiple sub parts, we will provide the solution…

Q: Acetylene, C2H2, can react with hydrogen gas to produce ethane, C2H6: C2H2(g) + 2H2(g) → C2H6(g)…

A: The balanced chemical equation for the formation of ethane from acetylene is: C2H2(g) + 2H2(g) →…

Q: For a specific chemical reaction, ΔH = −254 kJ and ΔS = −86 J K-1. Calculate ΔG at 50 K, 200 K, and…

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Q: Consider the following reaction at constant pressure. Use the information below to determine the…

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Q: Absolute Entropy at 298 K (J/(K mol)) NO(g) 211 O2(9) 205 NO2(g) 240

A:

Q: For the reaction CaO(s) + CO2(g)CACO3(s) at 298 K, AG = -130.9 kJ/mol, AH= -178.3 kJ/mol, AS = -159…

A: For spontaneous reaction, value of  ΔG is negative. For non- spontaneous reaction,  value of ΔG is…

Q: The boiling point of ethanol is 173.1 F. In an experiment the entropy change for the reaction…

A:

Q: Consider the following reaction: 2 O3(g)  →  3 O2(g)    ΔS∘∘ = 137.4 J/K;  ΔH∘∘ = −285.4 kJ…

A: To calculate ΔGo for the given reaction.

Q: For each reaction, predict the sign and find the value of ΔS°:

A: It’s given below :

Q: Consider the reaction:  4 A (g) ------  2 B (s) +  3 C (g) + 20.5 kJ,    at what…

A:

Q: ion 3: (a) What is the second law of thermodynamics? For any process, there are four possible sign…

A: Given,                             Enthalpy of Vaporization = 58.51 KJ / mol…

Q: Calculate the enthalpy of vaporization of water at its normal boiling point. ΔS° [H2O()] = 69.9…

A: Given: ΔS° [H2O(l)]=69.9 J/K⋅mol ΔS°[H2O(g)]=188.8 J/K⋅mol T=100oC=373 K To find: Enthalpy of…

Q: NO2

A: Given values - Kp = 4.15 × 10^-50 T = 523K

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: Suppose a reaction has DH > 0 and DS > 0; that is, both enthalpy and entropy changes have positive…

A: The Gibbs-Helmholtz equation is: ∆G = ∆H - T∆S.  If ∆G is negative then the reaction will be…

Q: The overall reaction for the corrosion of iron (rusting) by oxygen is…

A: Solutions                               Given  that         The overall reaction for the corrosion…

Q: What are the signs of ΔH, Δ S, and ΔG for a spontaneous endothermic process?

A: Answer:Here, T must always be in Kelvin

Q: Consider the following reaction: 2 AB2 (g) ⟶ 2 AB(g) + B2(g)           ΔHo= +480.0 kJ/mol a.) Do…

A: Given Chemical Reaction is -  2 AB2 (g) ⟶ 2 AB(g) + B2(g)           ΔH° = +480.0 kJ/mol  Here the…

Q: Use the data from this table of thermodynamic properties to calculate the values of Δ⁢Srxn∘ for each…

A: a) 2CO(g) + O2(g) ⟶ 2⁢CO2⁢(g) Standard entropy (S°) CO(g) = 197.674 J/mol.K O2(g) = 205.138 J/mol.K…

Q: Predict the sign of ΔSₛᵧₛ for each process: (a) Gasolinevapors mix with air in a car engine. (b) Hot…

A: Entropy is the measure of randomness.∆Ssys is positive, if the randomness increase and negative if…

Q: Using the data from Appendix IIb and the data provided, compute ∆G° for the following reaction: 3…

A: The given balanced chemical equation is 3 CO2 (g) + Si3N4 (s) → 3 SiO2 (s) + 2 N2 (g) + 3 C (s,…

Q: Calculate Δ S° for the following reaction.  N 2( g) + 2 O 2( g) → 2 NO 2( g) a: -121.5 J/K b: 636.5…

A: The formula used to get the Δ S° for any reaction is given as - Δ S°rxn = Δ S°pdt - Δ S°rct