For a particular reaction, AH = -46.7 kJ and AS =-123.8 J/K. Assuming these values change very little with temperature, at what temperature does the reaction change from nonspontaneous to spontaneous? K. Is the reaction in the forward direction spontaneous at temperatures greater than or less than the calculuted temperature? O greater than O less than

Q: For a certain chemical reaction, AH" = +9.8 kJ and AS = +30.0 J/K. a) Is the reaction endothermic or…

A: The More the Negative value Of gibbs free energy more spontaneous  will  be reaction.

Q: For the reaction: 2NO2 (g) ↔ N2O4 (g) at 298 K, The value of ∆H⁰ and ∆S⁰ are -58.03 kJ and -176.6…

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Q: For a particular reaction, Δ?∘=20.1 kJ/mol and Δ?∘=45.9 J/(mol⋅K). Assuming these values change very…

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Q: Q1.) For a certain chemical reaction, ΔH∘ = - 35.4 kJ and ΔS∘ = - 88.0 J/K 1. Exothermic or…

A: Answer 1: Exothermic or Endothermic? ΔH∘, represent heat content of the system which is expressed by…

Q: At what temperatures is the following process spontaneous at 1 atm? ΔH° = +20 kJ and ΔS° = - 50 J/K

A: The reaction is always non-spontaneous at all temperatures.

Q: For each reaction with ΔH = + 187 kJ/mol and ΔS = + 365 J/molK ,at what temperature at which the…

A: Given: ΔH = +187 KJ/mol or +187000 J/mol ΔS = +365 J/molK We have to calculate temperature(T) at…

Q: Which of the following reactions is/are spontaneous? a) Separation of N2 and O2 molecules in air…

A: Since you have posted multiple sub-parts, the answer for first three parts are given below. Kindly…

Q: For a particular reaction, AH = 20.1 kJ and AS = 45.9 J/K. Assuming these values change very little…

A: Applying concept of spontaneity and formula ∆S=∆H /T

Q: Consider the reaction described by the chemical equation shown. 3 C,H, (g) → C,H,(1) AHxn = -633.1…

A: here we are required to find the change in entropy and standard Gibbs free energy for the conversion…

Q: Consider the reaction described by the chemical equation shown. C,H,(g) + H,O(1) → C,H,OH(1) AHan =…

A: The details solution for this is provided below in attach image.

Q: Using the information in the table below, for which of these substances will vaporization be…

A: Given : Table showing ∆H°f  , ∆G°f , ∆S°f To find : substance that has spontaneous vaporization…

Q: For the combustion of CO(g): 2CO(g) + 02(g) 2CO2(8) the reaction is spontaneous at 25 °C. What can…

A: First, calculate the standard enthalpy of the reaction as follows: ∆H° = 2∆H°CO2(g) -  2∆H°CO(g)+…

Q: 1.) Consider the following reaction: 2 AB (g) + B2(g) → 2 AB2(g) AH° = -485.0 kJ/mol a.) Do you…

A: a) ∆Ssys = negative  Explanation : 1) First reason is,  this reaction is exothermic reaction because…

Q: Enter your answer in the provided box. À reaction will be spontaneous only at low temperatures if…

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Q: ΔΗ 1353. kJ J AS = K 2co,() + 4H,0 (g) → 2CH,OH (g) + 30,(g) AG = 10. kJ Which is spontaneous? this…

A: Given ,  temperature, T =123°C = (123 +273 )K=396 K Pressure = constant

Q: If a process is exothermic and not spontaneous, then what must be true?     ∆S 0   ∆H > 0   ∆H…

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Q: 3. Consider the dissolution of NH,NO, in a chemical cold pack a. Is the process spontaneous? b. Is…

A: Those reaction in which energy is absorbed are known as the endothermic reactions while the…

Q: Spontaneous Process Q: consider the vaporization of liquid water at 1 atmosphere. 1. Is the process…

A: Spontaneous process :-  A process is said to be spontaneous if it takes place by itself without the…

Q: For a certain reaction, ΔH = -35.4 kJ/mol and ΔS = -85.5 J/K mol. Is this reaction endothermic or…

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Q: Hello, I completed this problem, but I'm getting something wrong. Could you help?

A: To find temperature at which reaction becomes spontaneous.

Q: Consider the following thermochemical equation: H2O2(1) H2O(1) + %02(g) AH= -98.2 kJ When is this…

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Q: If H=-180kJ/mol and S=45J/k, then the reaction will be… a)      Spontaneous at all temperatures b)…

A: Reaction spontaneity ∆H ∆S reaction spontaneity + value - value non spontaneous at all…

Q: A chemist pours two chemicals in a beaker and observes their reaction. The Lable below shows the…

A: The nature of reaction can be determined on the basis of given data values.

Q: Consider the following reaction: CH3OH(g) --> HCHO(g) + H2(g); DHo = 85 kJ (2)…

A: As this reaction is endothermic in nature as Del H is positive

Q: For a reaction, Delta H = -145 kJ and Delta S = 220 J. Is the reaction spontaneous? O Always O At…

A: We know ; ∆G = ∆H - T∆S When the Value of ∆G is negative , then the Reaction is spontaneous . &…

Q: For the reaction of gaseous substances with increasing gaseous molecules (from reactant to product…

A: Given data    ∆H° = +150 KJ/mole and ∆S° = 171 J/K-mole.

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

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Q: For a reaction for which AH = -142 kJ/mol and AS = -178 J/mol· K, which of the following statements…

A: If ∆G is negative, the process is spontaneous and may proceed in the forward direction. If ∆G is…

Q: For a particular reaction, AH = -32 kJ and AS = -98 J/K. Assume that AH and AS do not vary with…

A: As we know that a spontaneous process is one that happens without the addition of external energy. A…

Q: The following reaction is spontaneous at room temperature: N2(g) + 3H2(g) → 2NH3(g) For this…

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Q: A certain reaction has ΔH∘ = + 35.8 kJ and ΔS∘ = 85.5 J/K. 1. exothermic or endothermic? 2. Does…

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

Q: For the following decomposition reaction of ozone, O3 to form oxygen, O2. 2O3(g) →3O2(g) a)…

A: For a reaction to take place, some amount of energy is required. This energy is required to do work,…

Q: For which set of values of AH and AS will a reaction be spontaneous at all temperatures? O AH = +10…

A: For a reaction to be spontaneous, change in free energy for a reaction must be negative.

Q: For a reaction, the enthalpy change is –210 kJ, the entropy change is –170 J/mol.K  and the…

A: Given that: dH° = -210KJ dS° = -170J/K.mol = -(170J×1KJ/1000J)/K.mol = -0.170KJ/K.mol T = 400K

Q: Given the reaction: NaOH(s) + H,O() ? Na+(aq) + OH-(aq) + 10.6 kJ, the heat of reaction, AH, is…

A: Given: Reaction is as follows: NaOH + H2O  ----->   Na+  +  OH-  + 10.6 KJ This is an exothermic…

Q: Briefly describe the Third Law of Thermodynamics.   b) Consider the reaction 2X(g)+ O2(g)→3Y(g)…

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

Q: The standard enthalpy change and standard entropy change for the reaction are AH =-660 2 kJ mol"'…

A: As per our guidelines we can only solve first question. Please resubmit other questions as next…

Q: For a particular reaction, AH° = 67.7 kJ and AS° = 126.9 J/K. Assuming these values change very…

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Q: For a given reaction, ΔH = +31.15 kJ/mol and ΔS = +126.83 J/K · mol. Above what temperature is the…

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Q: For the reaction given below, AH--1516 kJ at 25 C and AS--432.8 J/K at 25 C, This reaction is…

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Q: For the reaction of gaseous substances with increasing gaseous molecules (from reactant to product…

A: For the reaction of gaseous substances with increasing gaseous molecules (from reactant to product…

Q: The normal freezing point of n-octane (C8H18) is -57 °C.(a) Is the freezing of n-octane an…

A: Given that the freezing point of n-octane is -57 oC.

Q: 9) For which set of values of AH and AS• will a reaction be non-spontaneous at 25°C? a) AH• = -10…

A: Multiple question

Q: 48.3 Consider the following reaction: 3N2(g) + 4H₂O(g) -> N₂O4(g) + 2N₂H4(1) a. Use the…

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Q: iven the following table of thermodynamic data, complete the following sentence. Substance ΔH°f…

A: Given : We have to predict which is condition is correct for given data.

Q: If the process is exothermic and not spontaneous, then what must be TRUE? O a. AS0 O c. AH=0 O d.…

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Q: Which of the following is spontaneous at SATP?

A: CaCO3(s)+178 kJ→CaO(s)+CO2(g)  B option is spontaneous reaction at STP.  In the above reaction ∆S is…

Q: For a reaction, the enthalpy change is –210 kJ, the entropy change is –170 J/mol.K  and the…

A: The spontaneity of the reaction can be known by calculating their free energy change . The equation…

Q: At what temperatures will a reaction be spontaneous if AH = +158 kJ and AS = +411 %3D %3D J/K? O The…

A: Given ΔH = 158 kJ = 158000 J ΔS =  411 J/K