Many salts produce heat when dissolved in water andthe solution becomes warm, reflecting the fact that the Hterm is positive. In other cases the solution becomes quitecold and the enthalpy term is negative. What must be trueabout the Gibbs equation for these reactions to bespontaneous?

Q: Does the attainment of equilibrium imply that no further changeis taking place in the system?

A: An equilibrium is defined as the state of a reversible chemical reaction at which the rate of the…

Q: Recognizing consistency betweell The statements in the tables below are about two different chemical…

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Q: In which one of the following processes is the system endothermic? A) A process in which the air…

A: Endothermic processes are those processes in which there is gain of energy in the process. Hence any…

Q: to access important values if needed for this question. Consider the following system at equilibrium…

A: If the volume of a gaseous reaction is decreased, the pressure exerted by the molecules will…

Q: What is the change in 'molar' gibbs free energy?  Could you give me an example of the calculation…

A: The change in Gibbs free energy of the system can be expressed in the term of change in enthalpy and…

Q: Give typed explanation   Which diagram shows the Gibbs free energy as a function of reaction…

A: The given reaction is a type of nucleophilic substitution reaction.  There are two types of…

Q: say you have a super saturated solution which you stick a tooth pick and the mixture changes, would…

A: Given: A super saturated solution  Stick the tooth pick in the super saturated solution  The form…

Q: In the contact process:                                                                        DH =…

A: According to Le-Chatelier's principle when factors like concentration, pressure, temperature, inert…

Q: Consider the following equilibrium: N, (g) + 3H, (g) = 2NH, (g) AG = - 34. kJ Now suppose a reaction…

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Q: Consider the following system at equilibrium where AH° = - 111 kJ, and Kc = 0.159, at 723 K: N₂(g) +…

A: Answer: The question is based on the concept of Le-chatlier's principle.    It States that when a…

Q: Consider the following system at equilibrium where K. = 5.10×10-0 and AH° = 268 kJ/mol at 548 K. %3D…

A: From the given data  1)  True  Justification: The value ∆H° for a forward reaction that is…

Q: The equilibrium constant for the chemical equation:  N2(g)+3 H2(g)↽−−⇀2 NH3(g) is ?p = 0.0301 at…

A: The relationship between Kp and Kc for an equilibrium reaction is  Kp = Kc(RT)∆n  R = gas constant =…

Q: Consider the decomposition of a metal oxide to its elements, where M represents a generic metal.…

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Q: 0,- M,0,0) 2 M(s) + r this reaction, AHn = -5.268 kJ/mol and A.S = 10.78 J/(mol-K) at 298 K. hat is…

A: The question is based on the concept of equilibrium. we have to calculate Gibbs free energy &…

Q: For the reaction below, A+2B → AB2 if AG= -29.1 kJ-mol what is the value of K at 298 K? (the answer…

A: The free energy change of the reaction is = -29.1 kJ/mol = -29.1 x 1000 kJ/mol The temperature of…

Q: For the reaction 2S02(g) + 02(g)→2S03(g) AH° = -197.8 kJ and AS° = -187.9 J/K The equilibrium…

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Q: Calculate the magnitude of the difference between the Gibbs and the Helmholtz free energies at 25…

A: Interpretation -  To determine the magnitude of the difference between the Gibbs and the Helmholtz…

Q: Calculate AGO at 602 K for H₂O(g) + 1/2 O2(g) → H₂O2(g) using the following data:

A: Characteristics of equilibrium constant are : - If the equation (having equilibrium constant K) is…

Q: In the contact process:                                                                       DH =…

A: Given data In the contact process:                                                      DH = -197…

Q: Chose the correct option that represents the change in Gibbs free (A) dG =Eµdn, (B) dG =£µn, (C) dG…

A: A is the correct answer

Q: Consider a mixture of 75.00 g water at room temperature 23.0 0C and 25.0 g water at 95.0 0C.…

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Q: Which is true about Gibbs Free energy change at equilibrium has the value of delta G is zero at…

A: The Gibbs free energy change and the standard Gibbs free energy are related as: ∆G = ∆Go + RTln(Q)…

Q: For the reaction 2HBr(g)- →H₂(g) + Br₂(1) AH° = 72.6 kJ and AS° = -114.5 J/K The equilibrium…

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Q: 1.2 2SO₂(g) + O₂(g)2SO3(g) 2(i) In the contact process: = -197 kJ mol-¹ Predict the position of…

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Q: More than 20 million tons of methanol, CH3OH, is produced annually, primarily via the following…

A: The equilibrium reaction given is,

Q: If the enthalpy change at standard condition for the CÛ2D equilibrium reaction is 60 kJ/mol, if…

A: NOTE: The reaction given is having Û instead of an arrow. Hence I'm taking this reaction. The…

Q: At -13.9 °C the pressure equilibrium constant K, -4.0 for a certain reaction. Here are some facts…

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Q: Using thermody aynam ic: erms of entropy, change. Describe briefly the meaning of the term Gibbs…

A: a)  Entropy of the universe is always increasing, for the spontaneous process.  The entropy of the…

Q: Derive an effective Henry’s constant formula for ammonia (NH3) dissolved in water

A: Henry's law describes the relationship between the concentration of a gas in a solution and the…

Q: A chemical reaction between X: (red) and Y₂ (blue) produces XY (red-blue). All compounds are in a…

A: Molecules of X2 = 3 Molecules of Y2 = 6 Molecules of XY = 7 Each molecule = 0.10 bar

Q: i) In the contact process:                                                                   DH =…

A: The question is based on the concept of Le-chatlier principle :    It States that when a system at…

Q: of 16 For a gaseous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all…

A: The given equilibrium reaction is N₂(g) + 3 H₂(g) 2NH3(g)The standard change in Gibbs free energy…

Q: For the reaction 2S02(g) + O2(g)–2SO3(g) AH° = -197.8 kJ and ASº = -187.9 J/K The equilibrium…

A: Given: ∆Ho = -197.8 kJ = -197.8×103 J (Since 1 kJ = 103 J) ∆So = -187.9 J/K Temperature (T) = 271.0…

Q: candkpe NOBR(g) = % N2(g) + O2(g) + % Br2(g) from the following information at 298 K: NO(9) = %…

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Q: Consider the following system at equilibrium where AH° =-87.9 kJ, and K. = 83.3 , at 500 K: %3D PCI3…

A: The reaction given is, => PCl3 (g) + Cl2 (g) -------> PCl5 (g) Given : ΔHo = -87.9 KJ and Kc =…

Q: Consider the following equilibrium: N, (g) +3H, (g) – 2NH, (g) AG" = - 34. kJ Now suppose a reaction…

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Q: Use the References to access important values if needed for this question. Consider the following…

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Q: Consider the following system at equilibrium where AH° = 268 kJ, and K. = 5.10×10“, at 548 K. %3D…

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Q: Consider the reaction 3 CH4 (g) --> C3H8 (g) + 2 H2 (g) Determine the Gibbs Free Energy (DG) at a…

A: Gibb's free energy decides the spontaneity of the chemical reactions. If the value of Gibbs free…

Q: What is the chemical significance of a positive Gibbs free energy change and what is the chemical…

A: The amount of energy available for doing some useful work is termed as free energy or Gibbs free…

Q: For the following heterogeneous equilibrium at 1998.7 K: CaO(s) + CO2(g) →← CaCO3(s)  the pressure…

A: The given equilibrium: CaO(s) + CO2(g)  ⇌CaCO3(s) The pressure of CO2=1.64 atm Temperature, T=1998.7…

Q: [References] Use the References to access important values if needed for this question. Consider the…

A: Given eqm rxn:  2SO2(g) + O2 (g) <=> 2SO3(g) Kc = 34.5 &  ∆H° = -198 kJ i.e an exothermic…

Q: Free Online Survey... demia... [References] Use the References to access important values if needed…

A: Reaction quotient: It is the ratio of partial pressure of the product to the partial pressure of…