We mix 2 mole of oxygen with 8 mole of nitrogen at 300 K and atmospheric pressure. Calculate the entropy of mixing assuming both oxygen and nitrogen behave like an ideal gas.

Q: A reaction has been determined to be AHrxn > 0, ASrxn <0. Select all the correct answers associated…

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Q: Three moles of ideal gas expand from 0.02 to 0.06 m³ in a free expansion. What is the change in…

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Q: 9. Argon (Ar) amounting to 80 grammes expands isobarically (P = const) %3D until its volume doubles.…

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Q: Using the values provided in the table below, calculate ΔS for the following reaction: 3H2SO4(l) +…

A: Entropy represents the degree of randomness. And ΔS is the difference in entropy of products and…

Q: For each process predict the sign of the entropy change taking place. A. CaCO3(s) → CaO(s) + CO2(g)…

A: Entropy(S) is defined as the randomness or disorderness of the system. When entropy increases, then…

Q: 6. Calculate AG for the combustion of propane. C3H8(g) + 50₂(g) → 3CO₂(g) + 4H₂O(g) C3H8(g) -24.5…

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Q: Predict the spontaneity of a reaction (and the temperature dependence of the spontaneity) for each…

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Q: For the reaction: F2 (g) → 2 F (g) Which is true about the enthalpy and entropy of reaction?…

A: The given reaction is the non-spontaneous process and it is endothermic reaction. F2 (g) → 2 F (g)

Q: Which of the following processes will have a ΔH value with a negative sign?     A. The boiling…

A: Acid base reaction is exothermic.

Q: From the viewpoint of the chemical reactants as the system, what do you expect for the signs of q…

A: In airbags reaction of NaN3 ignition gives N2 and Na and that reacts with KNO3 gives N2 gas and…

Q: Calculate the change in entropy associated with the production of ammonia from nitrogen and hydrogen…

A: Solution:     Change in entropy is the measure of degree of randomness or disorder in the system. It…

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

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Q: For which process is the sign of A S negative in the system? A. H20(1) → H20(g) B. 2 H2(g) + 02g) →…

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Q: 10. Calculate the free energy change for the reaction shown below at 10 degree Farenheit. 12C5 + 3…

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Q: For each pair of substances pick the one that you expect to have the higher standard molar entropy…

A: According to thermodynamics, entropy is amount of disorder or randomness in a system. More the…

Q: In a chemical reaction, two gases combine to form a solid. What do you expect for the sign of ∆S?

A: Entropy is a measure of randomness.The sign of change in entropy will come out to be negative if…

Q: Consider the following processes: I. condensation of a liquid II increasing the volume of 1.0…

A: Entropy is described as the degree of disorder. Whenever there is a disorder in a molecule it shows…

Q: Above what temperature does the following reaction become nonspontaneous? FeO(s) + CO(g) CO2(8) +…

A: We have to find the Temperature for becoming a non-spontaneous reaction. Enthalpy and Entropy are…

Q: Liquid butane combust in air. Predict the sign for Delta G, Delta S, and Delta H at 25 C:

A: The balanced chemical equation for combustion of butane will be- 2C4H10 (l)  +  13O2 (g)     →…

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

A: Entropy is a measure of the extent of energy dispersal, and it rises with the number of comparable…

Q: Calculate the entropy change when a gas condenses at its boiling point. Calculate the entropy change…

A: Given:Moles of mercury = 2.47 molBoiling point of mercury = 357 °CThe heat of vaporization of Hg =…

Q: A 100-mL sample of water is placed in a coffee cup calorimeter. When 1.0 g of an ionic solid is…

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

Q: What is the value of ΔG when ΔH= -22 kJ/mol and ΔS= -54 J/mol•K at 280°C?   A. -38 kJ/mol B. 38…

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

Q: Predict the sign of AS for the processes listed below. Select all the processes for which AS > 0…

A: Entropy is defined as the degree of randomness or disorderliness of the System. if the molecules of…

Q: Find ΔS for the system, surroundings, and universe when 28.2 g of liquid H2O is evapourated at 100.0…

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Q: Sublimation is an example of a process for which a. ΔH is negative and ΔS is positive at all…

A: Sublimation is a process where a solid directly changes to a gas. We know the gas has much more…

Q: Fe2O3(s) + C(s) ... Fe(s) + CO2(g) change H  467.9 kJ change S 560.3 J/K change G 301.3 kJ…

A: ΔG = ΔH - TΔS ΔG = Change in free energy ΔH = change in enthalpy ΔS = change in entropy T =…

Q: reaction does not move forward and backward (meaning only move to one direction; could be product…

A: Direction of reaction is determined by the help of Gibbs free energy change (□G) For product favored…

Q: In which case will a chemical reaction ALWAYS proceed spontaneously at all temperatures (DH and DS…

A: Feasibility of a reaction depends on the change in Gibbs free energy ∆G.  The value of change in…

Q: At what temperature will the following reaction become spontaneous? 3CO2(g) + 3H2O(l) ® CH3COCH3(g)…

A: iven reaction 3CO2(g)  + 3H2O(l) → CH3COCH3 (g)  +  4O2(g)∆H = 854 kJ/mole = 854000 J/mole∆S = 236…

Q: Now calculate the change in entropy (delta S) for the following reaction, using the thermodynamic…

A: Given reaction is  P4 (g)  +   10 Cl2 (g)   →    4 PCl5 (g)   Entropy change (∆S) = ? ∆S = [ sum of…

Q: System A |8 J System B | 8 J 7J 6J Energy 4J 3J |2J 4J 2J Question 21 options: System A has more…

A: The systems given are, Given: The number of particles is 3 And the total energy of particles is 12…

Q: The ΔHo for the following reaction at 298 K is -36.4 kJ.   1/2 H2(g) + 1/2 Br2(l) →  HBr(g)…

A: The formula is : ΔH = ΔU + Δn(g)RT ΔH = Change in enthalpy ΔU = Change in internal energy R = Gas…

Q: 16. The standard enthalpy of vaporization of methanol is 35.2 kJ/mol at its normal boiling point,…

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