Consider the reaction 2NO(g) + 2H2(g) N2(g) + 2H2O() for which AH° = -752.2 kJ and AS° = -351.6 J/K at 298.15 K. (1) Calculate the entropy change of the UNIVERSE when 2.388 moles of NO(g) react under standard conditions at 298.15 K. ASuniverse = J/K (2) Is this reaction reactant or product favored under standard conditions? reactant (3) If the reaction is product favored, is it enthalpy favored, entropy favored, or favored b halpy and entropy? If the reaction is reactant favored choose 'reactant favored'. product

Q: Calculate the entropy change of the system when a system expands at a constant temperature of 311 K…

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Q: Determine the standard free energy change, ΔG°,

A: Δ G = Δ H − T Δ S  Δ H =  625.5 kJ  ∆S° = 450.0 J/K = 450 x 10-3 KJ/K T = 25.0°C + 273 = 298K

Q: A chemical reaction has a standard entropy change, ΔSo, of -287.8 J/(molK) and a standard enthalpy…

A: The given data you have - ΔSo = -287.8 J/K-mol ΔHo =  -138.1 kJ/mol

Q: If the AH = 273 kJ/mol and AS = 109 J/K mol for a nonspontaneous reaction, at what temperature does…

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Q: Consider the reaction H;CO(2) - 0,()CO,(g) - H,O() for which AH" = -563.3 k and AS -140.5 J/K at…

A: The given reaction is: H2CO(g) + O2(g)  - -----> CO2(g) + H2O(l)  Also given ∆Ho = - 563.3 kJ *…

Q: Calculate ΔH for the process Hg2Cl2(s) ⟶ 2Hg(l) + Cl2(g) from the following

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Q: 6. A reaction has a AH° of -29 kJ and AS° is -60. J/K. Calculate the temperatu from spontaneous to…

A: Spontaneous reactions are those reactions which proceed on their own without any external force.…

Q: The element mercury, Hg, is a silvery liquid at room temperature.  The normal freeing point of…

A: In this question, we want to determine the ∆S value means entropy change in J/K unit. You can see…

Q: For the reaction C(s,graphite) + 02(g)CO2(g) AG° = -394.4 k) and AS° = 2.9 J/K at 327 K and 1 atm.…

A: The reaction given is, And moles of C reacting = 2.04 mol.

Q: Calculate the change of the entropy of the reaction for the formation of ammonia from nitrogen and…

A: Nitrogen reacts with hydrogen to form ammonia. The equation for the balanced chemical reaction is…

Q: Consider the following equation:                       C2H4 (g)    +    H2 (g)   →    C2H6 (g)…

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Q: Elemental mercury is a silver liquid at room temperature. Its normal freezing point is -38.9 °C, and…

A: The normal freezing point of mercury is -38.9 C. The given mass of mercury is 50.0 g. The value of…

Q: When AS = 0.115 kJ/K, calculate AG at room temperature, 25 °C, for the following reaction. AH° can…

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Q: The heat of fusion for water is 333.6 J/g. What is the entropy change for the universe when 1.00 L…

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Q: Calculate ΔG° (kJ/mol) for the reaction below at 25 °C given the thermodynamic data provided in the…

A: ∆G°  of a given reaction can be calculated with the help of ∆G of a product and ∆G of a reactant…

Q: 2A. ( i) Carbon dioxide sublimes ii) Hydroiodic acid and Sodium Hydroxide are neutralized iii) Neon…

A: If the randomness of the system increases then the entropy of the system will increase while if the…

Q: 5-entro Consider the reaction 2CO2(g) + 5H2(g)- →C;H½(g) + 4H,O(g) for which AH° = 46.50 kJ and AS°…

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Q: 1. The heat capacity at 1 atm. pressure of solid magnesium in the temperature range from 0 °C to 560…

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Q: What is the total entropy change at 25oC for the reaction below, if the standard entropies of…

A: Given reaction at 25°C;  C6H10 (g) ↔ 6C (gr) + 5H2 (g) The standard entropies of reactants and…

Q: Calculate ΔG° (kJ/mol) for the following reaction at 25 °C given the thermodynamic data provided…

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Q: 1. Consider the conversion of dichloroethane (C2H4Cl2) to Cl2 and ethylene (C2H4) gases: C2H4Cl2…

A: Q.1:  #(A):  The given equation is:  C2H4Cl2 (g)  → Cl2(g)  +  C2H4 (g) Here the sign of ∆So is…

Q: Consider the reaction Fe₂O3(s) + 2Al(s) Al2O3(s) + 2Fe(s) for which AH = -851.5 kJ and AS° = -37.00…

A: Given , Reaction : Fe2O3(s) +2Al(s)→Al2O3(s) +2Fe(s) ∆H°=-851.5 kJ∆S°=-37.00JKTemperature, T =…

Q: The standard enthalpy of vaporization of Freon-12, CF2CI2, is 20.19 kJ/mol at its normal boiling…

A: ∆S =∆Hv T  Where     ∆S = Entropy change = ?  J/mol K   ∆Hv = 20.19 KJ/mol  x 1000 J/1 KJ  = 20190…

Q: It is determined that a particular chemical reaction has AH°rxn = 105 kJ and As°rxn = 252 JK1.…

A: For spontaneous reaction delta G must be negative....

Q: Calculate ΔH for the following reaction: C3O2(g) --> 3 C(graphite) + O2(g) Use the following data:…

A: The reactions given are 1) 2 CO(g) + C(graphite) --> C3O2(g)…

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: The entropy change for the process                                      H2 O(s) ⟶ H2 O(l)is 22.1 J/K…

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Q: The following table contains some standard enthalpies of fomation, AH. at 298 K Constants P Part A…

A: Given: Standard enthalpy of formation of C3H8(g) = -103.85 kJ/mol Standard enthalpy of formation of…

Q: Calculate the entropy change for the following process: H₂O (1, 298 K, 1 bar)→ H₂O (g, 398 K, 0.8…

A: The change in entropy can be calculated as follows

Q: 1. (2)What is the sign of the entropy change of the system (ΔSsys)(methanol (liq, at 290K) →…

A: Since, you have asked multiple questions, we will solve the first question for you.  In the…

Q: Steam is condensed at 100 ‰, and the water is cooled to 0 ‰and frozen to ice. What is the molar…

A: Entropy change is given by ∆S=∆H/T ,where ∆H is change in enthalpy and T is temperature.

Q: Consider the reaction 2Na(s) + 2H2O(1)–2N2OH(aq) + H2(g) for which AH° = -368.6 kJ and AS° = -15.30…

A: 2 Na (s) + 2 H2O (l) ==> 2 NaOH (aq) + H2 (g)

Q: Predict the sign of the entropy change (ΔS˚) for the reaction. Justify your answer. Use the…

A: Given, ΔH˚rxn in kJ/molrxn

Q: 9. The standard enthalpy of vaporization of methanol is 35.2 kJ/mol at its normal boiling point,…

A: When a liquid changes to a vapor state the entropy of the system increases. The entropy of…

Q: Al,03(s) + 2Fe(s)–→Fe,03(s) + 2Al(s) for which AH° = 851.5 kJ and AS° = 37.00 J/K at 298.15 K. (1)…

A: The reaction takin place is given as, => Al2O3 (s) + 2 Fe (s) ---------> Fe2O3 (s) + 2 Al (s)…

Q: 2. (a) A sample of 1 mole ammonia at 14 atm and 25 °C in a cylinder fitted with a moveable piston…

A: Since you have posted multiple questions, we will answer only first question for you. If you want…

Q: A chemical engineer wants to determine the feasibility of making ethanol (CHOH) by reacting water…

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Q: Write T if true, and F if false 1. It is more convenient to use change in enthalpy, ΔH, as a…

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Q: A chem V 1gineer is studying the two reactions shown in the table below. In each case, he fills a…

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Q: What are the signs of AH and AS for the phase change shown above? AH AS Is the process spontaneous…

A: In this question, first we will see the sign of ∆H and ∆S and then we will see the temperature…

Q: Calculate the change in entropy that occurs in the system when 40.7 g of acetone (C3 H6O) vaporizes…

A: entropy change calculation during the process of vaporization:

Q: chemical reaction has a positive change in entropy. According to the diagram below, that else is…

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Q: Calculate the standard free-energy change (ΔGo) at 25°C for the reaction H2(g)+O2(g) ⇌ H2O2(l)

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Q: Calculate the entropy change for the following process. H2O (s, 100 g, -10°C, 1bar) →H2O (s, 100 g,…

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Q: The enthalpy of vaporization for bromine (Br2) is 184.3 kJ/kg, and its boiling point is 59.3°C. What…

A: Entropy is the degree of randomness or disorderness.   Equation for change in entropy ( ΔS) is,…

Q: 1. The heat capacity at 1 atm. pressure of solid magnesium in the temperature range from 0 °C to 560…

A: Since you have posted multiple questions. we are entitled to answer the first only.

Q: Please consider 0.15 gm of Constantan (a Cu/Ni alloy widely used in thermocouples, c = 390 J/•K-kg)…

A: 0.15 g of Constantan was cooled through exposure to the lab atmosphere.

Q: Given: H20(1) → H20(g); AH° = 40.7 kJ at 373K What is the entropy change in the system (AS) when one…

A: The process by which water changes from a liquid to a gas or vapor is called evaporation and the…

Q: 5. Calculate the standard entropy change ASº for the following: N2(g) + 5/2 O2(g) → N2O5(g) Given:…

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