Consider the general reaction at 29 degrees C: 2 A + 1 B → 3 C + 3 D ΔH reaction = -2,079 kJ Calculate the entropy change of the surroundings with units of J/K.

Q: Calculate the entropy change of the universe (J/mol-K) when the entropy change of the system is 75.4…

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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: A balloon filled with 0.5 mol of an ideal gas contracts reversibly from 9.0 L to 4.0 L, in doing so,…

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Q: Consider the reaction at 298 K. 2C(graphite)+O2(g)⟶2CO(g)Δ?°=−221.0 kJ/mol Calculate the…

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Q: Use the data given in the table to calculate the value of Δ?∘rxn at 25∘ C for the reaction described…

A: Since in qu you have mentioned  Δ?∘rxn. So I'm assuming it to be ΔH0rxn  Since for any reaction…

Q: Calculate AH°rxn for the following reaction using the values in the Table below. Enter in kJ SiO₂…

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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: Without doing any calculations, determine the sign of ASgys for each of the following chemical…

A: ΔS of any reaction is the change in entropy in the reaction. Since the entropy is measure of…

Q: A sample of NH3 (g) condenses reversibly at 100 oC releasing 2260 J of heat to the surroundings. a)…

A: In a reversible process  ∆Ssystem+∆Ssurrounding=∆S universe=0

Q: Given the reaction:  CaCO3(s)  ??  CaO(s)  +  CO2(g), the entropy (ΔS) change for this reaction is…

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Q: Two Parter, thank you in advance! The most important commercial process for generating hydrogen gas…

A: (a)Standard free energy of formation ΔGo for CH4, H2O, CO and H2 is given.

Q: At high temperatures, ammonia decomposes to N2 and H2:  2NH3 (g)= n2(g) + 3H2 (g) ΔH for the…

A: Given information, ΔH for the reaction is positive and ΔS are positive. The given decomposition…

Q: The addition of 121  g potassium fluoride to 591  mL of water (d = 1.00 g/mL) causes the temperature…

A: The mass of solution is calculated as shown,

Q: Calculate the entropy change (in J/K) of the universe (AS universe) that takes place when phosphene…

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Q: 1: Above what temperature does the following reaction become nonspontaneous? FeO(s) + CO(g) → CO₂(g)…

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Q: For the reaction below AH = +92.2 kJ, and AS = +198.7 J/K. Estimate the temperature at which this…

A: To find the temperature.

Q: 2) Consider the following reaction at constant pressure. Use the information here to determine the…

A: The objective of the question is to determine the value of ​ and whether the reaction is spontaneous…

Q: Calculate the entropy change of the universe (J/mol-K) when the entropy change of the system is 38.4…

A: Given the entropy change of the system, ∆Ssystem = 38.4 J/mol-K

Q: Suppose that a house and its exterior are both initially at 31 °C. Sometime after the air…

A: Spontaneous process is one which proceeds on its own and does not require any external assistance.…

Q: A reaction has ΔH∘rxn= -139 kJ and ΔS∘rxn=303 J/K .     Part A At what temperature is the change in…

A: GIven: ΔH∘rxn= -139 kJ=-13900 J ΔS∘rxn=303 J/K . Now, ∆Ssurrounding = ∆Hreaction / T

Q: Consider the reaction 2B1F3(g)- →Br2(g) + 3F2(g) The standard free energy change for this reaction…

A: We have to calculate Gibbs free energy .

Q: ΔEsys

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Q: enthalpy a state function. Fill in the blank: 4. For a change that takes place at constant pressure,…

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Q: Reaction 1: 20F2 (g) → O2(9) + 2 F2 (9) AH=-49.4 kJ Reaction 2: N2 (g) + 202(g) → 2NO2 (g) AH=+66.4…

A: When the gibbs free energy change is positive then the reaction is spontaneous and when the gibbs…

Q: Calculate the standard enthalpy change for the reaction at 25 °C. Standard enthalpy of formation…

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Q: value for ΔrS°, in units of J K-1‑mol-1 at 25 °C?

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Q: Use the data from this table of thermodynamic properties to calculate the values of ASxn for each…

A: 4 NH3(g) + 7 O2 (g) → 4 NO2(g)  + 6 H2O(g)S°(NH3, g) = 192.5 J/mol KS°(O2, g) = 205.14 J/mol…

Q: ΔSsurrounding =       J/K for the reaction at 298 K. 2 H2(g) + O2(g) → 2 H2O(g)      ΔHrxn = −483.6…

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

A: Given data : Two systems, each compound of two particles , represented by the circkes have 20 J of…

Q: Which statement is true for the temperature dependence of the reaction below if DH = 1319 kJ/mol and…

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Q: What is the entropy change (in J/K) when 43.3 g of liquid sulfur at its melting temperature of…

A: Answer:Entropy is the measure of system's disorderliness or randomness. In more possible microstates…

Q: A particular reaction is spontaneous at 450K. The enthalpy change for the reaction is +34.5 KJ. What…

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Q: The standard enthalpy of vaporization of a liquid is 20.7 kJ/mol at the liquid's normal boiling…

A: Given, dHv° = 20.7 kJ/mol = 20.7 x 1000 J/mol Tb = (52.4 + 273.15 K) = 325.55 K To calculate the…

Q: Suppose that two systems, each composed of two particles repre- sented by circles, have 20 J of…

A: Given data: Two systems, each compound of two particles, represented by the circkes have 20 J of…

Q: What is the value of AGrxn for the reaction: 2C » 3A+4B ? Given that C » 3/2 A+2B AG° 230.5 kJ/mol…

A: 1. Given: Reaction,             C → 32A + 2B ∆Grxn° = 230.5 kJ/mol 2. Given:      ∆Hrxn° = -37.1…

Q: If the entropy of a reactions is -264.54 J/ mole K and the enthalpy of the reaction is 117.63…

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Q: Any example of a chemical reaction or biochemical that can’t be described as enthalpy-driven or…

A: Enthalpy:- It is a thermodynamic quantity equivalent to the total heat of the system. It is the…