Use the information given below to calculate the standard reaction free energy, ΔG°rxn (in kJ), for the reaction given below at 100.0 °C.   2 N2O(g)    →    2 N2(g)   +   O2(g)   ΔH°rxn  =  –164 kJ ΔS°rxn  =  +369 J/K

Q: a) H2(g)→ 2H(g) b) N2 (g. 1 atm) → N, (g, 8 atm) C) 2SO3(g) → 2SO,(g) + O2(g) d) C (Diamond) → C…

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Q: Which one has a higher entropy? Explain briefly. MgC2(aq), NaCl(aq)

A: Entropy is a measure of the randomness of the system. The entropy of a system can be calculated by…

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: A chemist fills a reaction vessel with 6.86 atm nitrogen (N₂) gas, 0.500 atm oxygen (0₂) gas, and…

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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: A spontaneous process usually involves an increase in temperature (an exothermic reaction), yet when…

A: Solution- The reaction is favorable when it causes an enthalpy decrease and an increase in system…

Q: Consider the process of water boiling in a beaker that is open to the atmosphere. Which of the…

A: In the given question, we are boiling water in a beaker and then have to see its thermodynamic…

Q: For a reaction to be spontaneous, which of the following factors should have a negative sign? a…

A: Given : We have to tell what is requirement for spontaneity of a reaction

Q: Two systems, each composed of two particles represented by circles, have 20 J of total energy. Which…

A: The system which has greater entropy has to be given and the reason has to be explained.

Q: Define spontaneity of a reaction in terms of ∆G. Determine if a process is spontaneous based on…

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Q: The standard reaction free energy AG =-910. kJ for this reaction: 6C(s) + 6 H2(g) +…

A: The given reaction is as follows: 6C(s) + 6H2(g) + 3O2(g) → C6H12O6(s)                      ∆G°=-910…

Q: A student studies a reaction under various conditions and determines that it is exothermic and…

A: Sign of ∆H and ∆S can be determined from given information about reaction and its sponateity…

Q: Give an example for each of the following and provide explanation based from what you learned about…

A: Thermodynamics is the study of the relations between heat, work, temperature, and energy. The laws…

Q: Refer to Appendix B in your textbook entitled Standard Thermodynamic Values for Selected Substances…

A: Given: 2SO2(g) + O2(g) -----> 2SO3(g) From standard Table:  ∆f H°(SO2(g))     = -296.8 kJ/mol ∆f…

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

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Q: In the figure below, the standard free energy change is plotted in function of the temperature for…

A: Interpretation -  In this given figure below the standard free energy change is plotted in function…

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: Any reaction is considered to be spontaneous only when there is increase in randomness of molecules.…

Q: Directions: Calculate AG°, AH°, AS° then predict whether the reaction is spontaneous. 1. Consider…

A: The given reaction is N2 (g) + 3H2 (g) → 2NH3(g);  ΔH = - 92.4 kJ/mol Given data the absolute…

Q: Recovering aluminum directly from its ore, which is primarily aluminum oxide, involves the following…

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Q: Above what temperature does the following reaction become nonspontaneous?               2 H2S(g) +…

A: The balanced reaction taking place is given as, => 2 H2S (g) + 3 O2 (g)  → 2 SO2 (g) + 2 H2O (g)…

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: 5. Which of the following are factors that determine whether a reaction is spontaneous or…

A: Any process is called spontaneous if there is not any output force is applied during the process or…

Q: A chemist fills a reaction vessel with 7.73 atm chlorine (C1₂) gas, 8.12 atm phosphorus (P4) gas,…

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Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

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Q: Calculate the free energy change for this reaction at 25 °C. Determine if the reaction is…

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Q: III of thermodynamics. Explain your law.

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Q: In the late eighteenth century Priestley prepared ammonia by reacting HNO3(g) with hydrogen gas. The…

A: We are given the balanced chemical equation for the preparation of NH3 as follows: HNO3(g) +…

Q: For the reaction at 298 K, the values of H and S are 58.03 kJ and 176.6 J/K, respectively. What is…

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Q: Predict which member of each of the following pairs has the greater standard entropy at 25°C25 °C:…

A: Since you have asked multiple question ,we will solve the first three question for you. To get the…

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: A chemist fills a reaction vessel with 2.62 atm nitrogen (N₂) gas, 3.76 atm hydrogen (H₂) gas, and…

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Q: The change in free energy for a process occurring under standard conditions, such as 1 atm pressure…

A: Explained as follows

Q: Determine if this reaction is spontaneous under standard conditions; knowing that the reaction's…

A: Spontanity of reaction is determined in terms of Gibbs energy formula.

Q: Which of the following sets of conditions is true for an exothermic reaction that is spontaneous at…

A: Enthalpy, entropy both of these two factors determine the fate of reaction. The reaction either…

Q: Consider the following chemical reaction for the formation of nitrogen dioxide:2 NO(g) + O₂(g) → 2…

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Q: Calculate the temperature, in Kelvins, at which the decomposition of calcium carbonate becomes…

A: Given:The reaction is

Q: 11) Why can endothermic reactions be spontaneous?

A: Introduction: Endothermic reaction: The reaction which requires heat to form the product is called…

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

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Q: At what temperatures will the following processes be spontaneous?    ΔH= -18 kJ and ΔS= 65 J/K

A: Given: the value of enthalpy change (∆H) = -18 KJ The value of entropy change (∆S) = 65 J/K For a…

Q: What is the free energy change for the process shown here under the specified conditions? T= 25 °C,…

A: Calculation of QP: QP=PN2×PH23PNH32=0.870×0.250312.92=0.000327

Q: A certain reaction is spontaneous at 25°C. If the enthalpy change for the reaction is 29.8 kJ/mol,…

A: Given that:  T = 25°C = 25°C + 273 = 298K  dHrxn = 29.8KJ/mol

Q: At what temperature will a reaction become spontaneous given: Entropy change = 170 J/K enthalpy…

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Q: Calculate the temperature in kelvins above which this reaction is spontaneous.

A: We have to Calculate the temperature in kelvins above which this reaction is spontaneous.

Q: Which of the following is non-spontaneous? A. Rain falls from the sky B. A plant grows into a tree…

A: A cellphone battery is being recharged

Q: Which expression defines the change in free energy? a. ΔΗ + ΤAG c. ΔΗ-TAS b. ΔΗ+TAS d. ΔS-ΤΔΗ

A: We have to predict correct statement for change in free energy.

Q: Calculate the free energy change for the formation of one mole of ammonia from its elements under…

A: The formula that can be used in the solution is : ΔG° = ΔG°f(products) - ΔG°f(reactant)

Q: If AH = -70.0 kJ and AS = -0.300 kJ/K , the reaction is spontaneous below a certain temperature.…

A: Formula used ΔG = ΔH−TΔS for reaction to be spontaneous  ΔG > 0 for spontaneous reaction  ΔH =…

Q: Determine the total entropy change when 15.00 g of ice at –15°C is heated to 75°C. The molar heat of…

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