For a particular reaction, AH° = 55.4 kJ/mol and AS° = 94.1 J/(mol-K). Assuming these values change very little with temperature, at what temperature does the reaction change from nonspontaneous to spontaneous in the forward direction? %3D %3D T = K Is the reaction in the forward direction spontaneous at temperatures greater than or less than the calculated temperature? greater than 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: Without doing any calculations, determine the sign of ASys and ASurr for each chemical reaction. In…

A: To determine the sign of ∆S syst and ∆Ssurr for the following reactions:

Q: If ΔHΔHDH = -70.0 kJkJ and ΔSΔSDS = -0.200 kJ/KkJ/K , the reaction is spontaneous below a certain…

A: In this question we want to determine the temperature ( below this Temperature Reaction is…

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: 1. Given CHa + 3 Ore + 2 CO + 2 H,O with AH° = -1323 kJ and AS° = -30 J/K Decide if the reaction is…

A: If the Gibbs free energy change for a reaction is negative then the reaction will be spontaneous and…

Q: The thermal decomposition of molten sodium chloride into elemental gaseous sodium and elemental…

A: The thermal decomposition of molten sodium chloride into elemental gaseous sodium and elemental…

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: Which one of the following is always positive when a spontaneous process occurs? * AH(sys +sur)…

A: The second law of thermodynamics gves the insight of the direction of any spontaneous process.

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: For a particular reaction, AH° = 55.4 kJ and AS" = 94.1 J/K. Assuming these values change very…

A: From given  we are going to calculate spontaneity of the reaction

Q: For each reaction, calculate ΔH °rxn, ΔS°rxn, and ΔG°rxn at 25 °C and state whether or not the…

A: Standard heat of formation of N2O4 (ΔHfo) = 9.16 KJ/mol. Standard heat of formation of NO2 (ΔHfo) =…

Q: 1. N2(g}+3H2(g) --->2NH3(g) If AH = -92.2kJ and AS= -0.1987KJ/K, what is AG for the reaction at…

A: The free energy change,ΔG can be calculated using the formula: ΔG = ΔH - TΔS ΔH = enthalpy change ΔS…

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: At what temperature will a reaction become spontaneous, if its AS is +100.3 J/mol and AH° is +48.90…

A: Given : ΔSo = 100.3 J/mol. And ΔHo = 48.90 KJ/mol = 48900 J/mol.…

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: Consider the reaction 2Hg (l) + O2 (g) → 2HgO (s), for which ∆H°= -181.7 kJ/mol and ∆S°= -216.5…

A: Given data is, ∆H°= -181.7 kJ/mol ∆S°= -216.5 J/molK

Q: a. N2 (g) + 3Cl2(g) → 2NCl3(g) ΔHo = 460 kJ/ mol; ΔSo = - 275 J/ K b. N2(g) + 3F2(g) → 2NF3(g) ΔHo =…

A: Here given multiple question...

Q: Octene (C8H16) can be converted into octane (C8H18) following the reaction below. ΔH° for the…

A: For spontaneous reaction ∆G is negative

Q: Is the reaction Si (s) + 2 H2 (g) --> SiH4 (g) spontaneous under standard conditions at 298 K?…

A: Given, Reaction : Si(s) +2H2(g) →SiH4(g) Temperature, T=298 K

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: For a particular reaction, Δ?∘=−28.4 kJ/mol and Δ?∘=−87.9 J/(mol⋅K). Assuming these values change…

A: Given: ΔHo = -28.4 KJ/mol = -28400 J/mol. And the value of ΔSo = -87.9 J/mol.K.

Q: For a chemical reaction to be spontaneous at all temperatures in the reverse direction, which of the…

A:

Q: Vhich of the following statements is TRUE regarding the spontaneity of the exothermic reaction isted…

A: Q. Which of the following statements is True regarding the spontaneity of the exothermic reaction…

Q: Which are spontaneous at high temperatures? Choose one or more: A 2H,S(g) + 30,(g) –→ 2H,0(g) +…

A:

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

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

Q: For a certain chemical reaction, ΔH°= ‒40.0 kJ and ΔS°= ‒150.0 J/K. (a) Does the reaction lead to an…

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

Q: For each reaction, calculate AHan ASn and AGan at 25 "C and state whether or not the reaction is…

A: Standard heat of formation of N2O4 (ΔHfo) = 9.16 KJ/mol. Standard heat of formation of NO2 (ΔHfo) =…

Q: Consider the following reaction at constant P. Use the information here to determine the value of ΔS…

A: If ∆S comes out to be positive then it would be considered as spontaneous otherwise negative then…

Q: Consider the following reaction   AgBr(s) → Ag+(aq) + Br−(aq), ΔGo = +69.1 kJ   Calculate ΔG for the…

A: The relation between ∆G and ∆Go is  given by: ∆G = ∆Go + RT lnQ Where, R = universal gas constant,…

Q: For the reaction 2 NH3 (g) --> N2 (g)+ 3 H2 (g) , ∆H = +92 kJ. Which of the following is true?…

A: The given reaction is,  2 NH3 (g) --> N2 (g)+ 3 H2 (g) , ∆H = +92 kJ ∆H is positive, that means…

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: Consider the general reaction equation below along with the following thermodynamic data: AH°ran-150…

A: The given data- ∆Hrxn°= -150 kJ/mol ∆Srxn°= -413 J/mol K To determine = The temperature at which…

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

A: The spontaneous nature of the reaction is determined by calculating the change of free energy of the…

Q: Consider the following reaction.  Use the information here to determine the value of ΔSsurr at 355…

A:

Q: For a particular reaction, Δ?∘=67.7 kJ/mol and Δ?∘=126.9 J/(mol⋅K). Assuming these values change…

A: Given : ΔHo of reaction = 67.7 KJ/mol = 67700 J/mol…

Q: An exothermic reaction produces two moles of gas from one mole of solid reactant. Will the reaction…

A: Since you have asked a question with multiple questions, we are solving first question for you. For…

Q: Without doing any calculations, determine the sign of AS and ASu for each chemical reaction. In…

A: a) Rewrite the reaction as follows 2CO(g) +02(g) → 2C02(g) The number of moles of gases decreases…

Q: For a particular reaction, AH° = 20.1 kJ/mol and AS° = 45.9 J/(mol·K). Assuming these values change…

A: Answer:- This question is answered by using the simple concept of spontaneity of the reaction which…

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

A:

Q: For a particular reaction, AH = -46.7 kJ and AS =-123.8 J/K. Assuming these values change very…

A: ∆H°=-46.7KJ ∆S°=-123.8J/K ∆H°-T∆S°=0

Q: -Find AH, AS, and AG. Is this reaction exothermic and is it spontaneous? NO (g) + ½ O2 (g) -> NO2…

A: The given reaction is: From the given values- ΔH and ΔS can be calculated as follows: where m and…

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: or a particular reaction, AH = -93.8 kJ and AS = -156.1 J/K. Assuming these values change very…

A: Solution - According to the question - Given - ΔH° = -93.8kJ ΔS° = -156.1J / K = -156.1x 10^-3 kJ /K…

Q: 2 NH3 (g) + 2 02 (g) → N20 (g) + 3 H20 (g) Is this reaction spontaneous only at low temperatures,…

A:

Q: Consider the following reaction at constant P. Use the information here to determine the value of ΔS…

A: the reaction is said to be spontaneous when ΔG° is negative.  It ΔG° is positive, the reaction is…

Q: 6. For each reaction below, determine the sign of AH and AS. Also state under what conditions the…

A: The spontaneity of any reaction is known with the help of sign of ΔH and ΔS. ΔG=ΔH-T ΔSSpontaneous…

Q: For a particular reaction, AH = 20.1 kJ/mol and AS" = 45.9 J/(mol-K). Assuming these values change…

A: The spontaneous nature of the reaction is determined by calculating the change of free energy of the…

Q: Consider the reaction, O2(g) ⇌ 2 O(g) where ∆H° = 498 kJ/mol at 25°C.  At what temperatures (high or…

A: The given reaction is: O2(g) ⇌ 2 O(g) ∆S˚ is given by: ∆S°=S°products-S°reactants Since there are…

Q: Consider the following reaction: CaCO 3(s) CaO (g) +CO 2(g) For this reaction, delta S = +158.9…

A: For a spontaneous reaction, deltaG should be negative. From the given delta H and delta S values,…

Q: Which are spontaneous at all temperatures? Choose one or more: 2H,S(g) + 302(8) –→ 2H,0(g) + SO,(g)…

A: