(a) Is the reaction spontaneous at 25°C? (b) The solid decomposed to NO2 and O2 at 25°C. Is the decomposition spontaneous at 25°C? At what temperature is it spontaneous

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: 2NH3(g) N2(g) + 3H2(g) If AH = -92.2 kJ and AS = -0.1987 kJ/K, what is AG for the reaction at 475°C…

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between system…

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

A: First option. ∆S° > 0, ∆H° < 0

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: Consider these two reactions: Reaction 1: 20F₂(g) → O₂(g) + 2 F₂ (g) AH = -49.4 kJ Reaction 2: N₂(g)…

A: ★ Answer : Reaction 2  is non spontaneous. ★ Explanation :

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: [1] Given: CH,(g) + H2O(g) CO(g) + 3H2(g). AH° for the reaction is +206.1 kJ/mol, while AS° is +215…

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Q: Copper Metal is obtained by smelting copper(I) sulfide ores: Cu2S(s) + O2(g) → 2 Cu(s) + SO2(g) Use…

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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: What is the ∆G° if ∆H° is +42.7 kJ and ∆S° is +88 J/K? (SHOW CALCULATIONS) b) Is it spontaneous?…

A: ∆H°=+42.7kJ =42.7 × 1000 = 42700joule ∆S°= +88J/K ∆G°=?

Q: Above what temperature (in ºC) does the reaction with H' of 192 kJ/mol and S’ of 622 J/mol·K become…

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Q: For a particular reaction, ∆H = -32 kJ and ∆S = -98 J>K. Assume that ∆H and ∆S do not vary with…

A: a. Given : ΔH = -32 kJ  ΔS = -90 J/K 1) To calculate Temperature at which  ΔG=0  ΔG = ΔH  - TΔS ΔG=0…

Q: Consider the reaction: 2 POCl3 (g) -> 2 PCl3 (g) + O2 (g) A) Calculate DGrxn° for the reaction…

A: Free energy helps us in determining whether the reaction is spontaneous or non-spontaneous. The…

Q: Solid N205 reacts with water to form liquid HNO3. Consider the reaction with all substances in their…

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Q: 3. 1. N2(g)+3112(g) -->2NH3(g) If AH = -92.2kJ and AS- -0.1987k/K, what is AG for the reaction at…

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Q: Which of the following are spontaneous processes? a. Silverwares tarnish when exposed to air b. A…

A: Spontaneous processes = These are the process which occur without any external force.   a.…

Q: Which of the following processes are spontaneous?   air escaping a balloon   combustion of natural…

A: Here we consider the differences between two types of changes in a system, those that occur…

Q: 8. A reaction has AH° = 100 kJ/mol and AS°=250 J/mol-K. Is the reaction spontaneous at room…

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Q: Consider the following reaction at room temperature:                         Co(s) + Fe2+(aq, 1.94…

A: The above Nernst equation could be simplified as, Ecell=E°cell-0.0592VnlogQ

Q: Is the following reaction spontaneous as written? Explain. Do whatever calculation is needed to…

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Q: Which of the following processes are spontaneous and which are nonspontaneous:formation of CH4 and…

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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: 1. What thermodynamie quantity is used to determine whether a chemical reaction will proceed…

A: When a reaction proceed on its own without any external aid, it is called spontaneous reaction.

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

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Q: If the Delta*H = 135kJ / m * ol and AS 92 J/K mol, at what temperature does this reaction become…

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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: Is the formation of ozone (O,(g)) from oxygen (O2(g)) spontaneous at room temperature under standard…

A: Spontaneity of a reaction is decided by the sign of ∆G° of reaction.

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

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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: 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: 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: From the values of ΔH and ΔS, predict which of the following reactions would be spontaneous at 25°C:…

A: The spontaneous nature of the reaction is determined by calculating the change of free energy of 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: What should be the sign of EMF for the reaction to be considered spontaneous? Why?

A: The Gibbs free energy for a spontaneous reaction has a negative sign. ∆G = -ve for spontaneous…

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° = 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…

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Q: For a particular chemical reaction, ΔH = 4.3 kJ and ΔS = –19 J/K. Under what temperature condition…

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Q: 4. The entropy change for the process H2O(s) → H2O(1) is 22.1 J/K and requires that that…

A: Given:  ∆Ssystem = 22.1 J/K  qsystem = -qsurrounding = 6.0 KJ = 6000 J  Temperature (T) = 10°C = 283…

Q: 5-For the reaction, A+B C, AH-+30 kJ; AS°=+50 J/K.Therefore the reaction is: (a) spontaneous at all…

A: ∆Hf°is the standard enthalpy change when one mole of a substance is produced from its constituent…

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: 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: 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: For a particular chemical reaction H = 6.8 kJ and S = –29 J/K. Under what temperature condition is…

A: The Gibbs free energy change for a reaction is negative for a spontaneous reaction and is zero for a…

Q: The normal freezing point of n-octane 1C8H182 is -57 °C. In what temperature range is the freezing…

A: For freezing process  ∆H < 0  and ∆S < 0  So,  ∆G = ∆H - T∆S  at low temperature  ∆G < 0…

Q: For the process O2(g)      2O(g), ΔH° = 498 kJ·mol –1.  What would be the predicted sign of ΔS°rxn…

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Q: 1. Predict whether the following processes are spontaneous, are spon in the reverse or are in…

A: Spontaneous process occurs by its own while Non-spontaneous process required external source to…

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

Q: 1. From the values of AH and AS, predict which of the following reactions would be spontaneous at…

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