The entropy of mixing Amix S of two substances depends on the temperature. O True O False

Q: A process cannot be spontaneous if_ O it is exothermic, and there is an increase in disorder O it is…

A: ∆G= ∆H -T∆S for a spontaneous reaction free energy should be always negative.

Q: Consider the reaction at 298 K. 2 C(graphite) + O2(g) 2 CO(g) AH° = -221.0 kJ/mol > Calculate the…

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Q: Which of the following processes represent a decrease in entropy for the system described? Select…

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Q: Spontaneous processes are reversible. O True O False

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Q: Gibbs energy decreases with increasing temperature True O False

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Q: [13] The following pictures represent the composition of the equilibrium mixture for the reaction, A…

A: Given:Reaction;For picture 1Temperature = 298 KFor picture 2Temperature = 310 KDetermine the sign of…

Q: Vhemical engineer is studying the two'reactions shown in the table below. In each case, he fills a…

A: Value of ∆G or ∆S can be calculated using relation : ∆G = ∆H - T∆S A reaction is Spontaneous if ∆G…

Q: 47. What is always true for any spontaneous reaction?

A: A spontaneous reaction is a reaction that favors product formation under the conditions reaction is…

Q: what is a tharmodaynamic

A: Thermodynamics is a branch of science in which we study about the change in temperature or heat…

Q: Which of the following is the best example of a positive change in entropy? O A) The mixing of two…

A: Entropy is the degree of randomness or disorder. If randomness increase then entropy will also…

Q: An endothermie process that decreases in entropy is always nonspontaneous. Why can't we determine a…

A: Since the reaction is endothermic, enthalpy change(∆H) is always positive.  When entropy decreases,…

Q: 7.) Two blocks of Cu, one mass 100 g and the other mass 150 g, are placed in thermal contact with…

A: Answer:- This question is answered by using the simple concept of calorimetry which states that heat…

Q: Will entropy increase or decrease in the following reactions? Explain? N2(g) + 2O2(g) ------->…

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Q: Reactions that favour reactants very strongly are observed as being spontaneous. Select one: O True…

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Q: Suppose a 2.00-mol sample of an ideal gas at a fixed temperature of 300 K expands against a constant…

A: Given that expansion occur at constant temperature which implies that process is isothermal.

Q: For the reaction Fe(s) + 2HCl(aq)→ FeCl2 (s) + H₂ (9) AH° = -7.40 kJ and AS = 108 J/K The…

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Q: It refers to how a circumstance can occur without the help of any external factors? a. Enthalpy O b.…

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Q: A chemical engineer is studying the two reactions shown in the table below. In each case, he fills a…

A: Given data :

Q: which of the following reaction leads to an increase in entropy of the system? a) NH4Cl(s) ->…

A: * Answer : Correct option is which entropy increases __ a) NH4Cl(s) -----> HCl(g) + NH3(g)   *…

Q: Pure lead melts at 460/deg C. Given that the heat of fusion is 1750 cal/mol, calculate the entropy…

A: The objective of the question is to determine the total entropy change.It is given that,The mass  of…

Q: A process increases the entropy of the system by 493 J/mol K and absorbs 87 kJ/mol of heat from the…

A: Answer is given as follows

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

A: The ΔS of any reaction is the change in the entropy of the reaction. To find the sign of the ΔS, we…

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

A: The ΔG for the reaction can be calculated as follows : ΔG = ΔH - TΔS If ΔG comes out to be negative…

Q: A certain reaction has a delta H of -213kJ/Mol and delta S of -347J/mol.K. Below what temperature in…

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Q: what is the change in entropy of the reaction NH4Cl(s) = NH3(g) + HCl(g) wherein the equal sign…

A: The reaction given is, => NH4Cl (s) → NH3 (g) + HCl (g)

Q: At -8.15 °C the pressure equilibrium constant K, =3.8 for a certain reaction. Here are some facts…

A: We could have used the Van't Hoff isotherm equation to predict the Kp of the reaction at different…

Q: For the reaction NH4NO3(aq)N₂O(g) + 2H₂O(1) AH° = -149.6 kJ and AS° = 99.9 J/K The equilibrium…

A: According to Gibbs Equation, the relation between standard change in Gibb's free energy (∆G°), the…

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

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Q: For a certain reaction AGºrxn = -16.2 kJ/mol. What is the equilibrium constant at 206°C? Remember to…

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

Q: ) Indicate the number of bonds in the shown molecule which would would release energy when…

A: i) there are two bonds in the molecule which would would release energy when hydrolysed.ii) the…

Q: I use dry ice (solid CO2 which is -78.5 ℃) in my lab to cool reactions. If I leave a chuck of dry…

A: The heat capacity of dye ice at 25.0 oC is 0.846 J/goC. The total required heat to sublimate and…

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 is the expected entropy change for this reaction? CI CI Cl AI -ci- Me CI Al CI +. CH, CI CI O…

A: Entropy measures randomness. If randomness increases entropy will increase

Q: 2. Write the balanced chemical equation for the combustion of benzene, C6H60, to give carbon dioxide…

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Q: help

A: Basically two type of calorimetry is used in the lab.  1- First one is bomb calorimeter : in this…

Q: Predict the sign of DG for an exothermic reaction with an increase in entropy. O positive O negative…

A: Given data:Exothermic reaction Increase in entropyPredict the sign of :The spontaneity of a reaction…

Q: 7. Identify the process which results in an increase in entropy. O A. Rusting of iron B. Conversion…

A: Entropy is a measure of the randomness of the system. The entropy change in a chemical reaction can…

Q: For a certain chemical reaction, the standard Gibbs free energy of reaction at 25.0 °C is -135. kJ.…

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

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Q: Please answer #9

A: The reaction is – 2O2g + CH4g →2H2O g + CO2g

Q: ngineer is studying the two reactions shown in the table below. In each case, he fills a reaction…

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Q: Select the substance that contains the greatest standard molar entropy in the gaseous state. O…

A: Correct option is - CH3CH2CH2CH2OH

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

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Q: An organic compound CyHyO is a liquid at room temperature. The normal freezing point of this…

A: Given: Freezing point = -30°C = (-30+273) K = 243 K∆H fus = 4730 J/mol Since fusion is the reverse…