For any process that occurs at constant temperature and pressure, what is the significance of ∆G = 0?

Q: For the reaction A (g) → 3 B (g), Kp = 0.411 at 298 K. What is the value of ∆G for this reaction at…

A: Ans is -12.41kj/mol

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: The dissolution of ammonium nitrate occurs spontaneously in water at 25 °C. As ammonium nitrate…

A: On dissolution, the temperature of the reaction decreases which means that the reaction is…

Q: For the reaction A + B = C, with the equilibrium constant is K25 = 20 at 25 C, and it is K40= 10 at…

A: According to the Clausius Clapeyron equation ln(KT2 / KT1) = -(∆H/R) X ( 1/T2 - 1/T1 )  where KT2 =…

Q: When ammonium chloride is added to water and stirred, it dissolves spontaneously and the resulting…

A: When ammonium chloride is added to water and stirred, it dissolves spontaneously and the resulting…

Q: For the gaseous reaction of carbon monoxide and chlorine to form phosgene (COCl2), perform the…

A: Given,ΔHo = −220. kJ/molΔGo = −206 kJ/molTemperature = 298 K

Q: What is Δ G° at 25 °C?   N 2O 4(g) → 2 NO 2(g) Δ H° = 58.03 kJ Δ S° = 176.7 J/K

A:

Q: The Haber process is used to produce ammonia for fertilizers: N2(g) + 3H2(g) → 2NH3(g). The reaction…

A: Given that, the Haber process is used to produce ammonia for fertilizers: N2(g) + 3H2(g) → 2NH3(g).…

Q: For which of these reactions will the difference between ΔH° and ΔE° be the smallest? N2(g) +…

A: We have to calculate the  option which have smallest difference in ∆H0 and ∆E0.

Q: A reaction has values ΔS = 78.3 J K-1 mol-1 and ΔH = 46.5 kJ mol-1. At what temperature (in °C) will…

A: For a reaction becoming spontaneous the value of ∆G must be negative.

Q: Using data for ∆H0 and ∆S0 , calculate ∆G 0 for the following reactions at 1 atm and 25ºC.…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: Consider the following reaction at 25 °C: 3 NiO(s) + 2 NH₃(g) → 3 Ni(s) + N₂(g) + 3 H₂O(g) If ∆G°…

A: The amount of energy related to a chemical reaction which can be used to extract some useful work is…

Q: Calculate the ∆G in kJ/mol for a reaction at room temperature (~25.00°C) that has a Keq = 1000.0.…

A: We have to calculate the ∆G.

Q: Which of the following processes are spontaneous and which are nonspontaneous:formation of CH4 and…

A:

Q: Calculate ΔSϴ for the reduction of aluminum oxide by hydrogen gas: Al2O3(s) + 3H2(g) → 2Al(s) +…

A:

Q: A reaction will be spontaneous only at low temperatures if both ΔH and ΔS are negative. For a…

A: given: ∆H=-320.1KJ/mol        =-320100J/mol∆S=-95J/K.mol

Q: The dissociation of N2O4(g) is important in photochemical air pollution, like that common in Los…

A: Ionic compounds dissociate in ions. In an aqueous state ionic compounds separate in equilibrium. The…

Q: At what temperature would you expect a reaction to become spontaneous that has ΔH=234 kJ and ΔS=234…

A: Given that, for a given reaction, the enthalpy changes and entropy changes as follows --- Enthalpy…

Q: The enthalpy of vaporization of liquid diethyl ether, (C2H5)2O, is 26.0 kJ/mol at the boiling point…

A: Given: The enthalpy of vaporization of liquid diethyl ether is 26.0 kJ/mol Boiling point = 35.0 oC =…

Q: Calculate the ∆H and ∆G for the following reactions at 25 degrees Celsius: Al2O3 (s) + 2Fe (s) —>…

A: Delta G is the change in Gibb's free energy and delta H is the change in entropy. Delta G increases…

Q: What are the signs of ΔH, Δ S, and ΔG for a spontaneous endothermic process?

A: Answer:Here, T must always be in Kelvin

Q: Consider a process in which the entropy of a system increases by 105 J K−1 and the entropy of the…

A: Given information,    The entropy of a system increases by 105 J K−1    The entropy of the…

Q: acity of the bomb calorimeter occurs according to the

A: Heat capacity (C) = 9.625 kJ/°c Initial temperature(T1)=22.905°c Final temperature (T2)=25.879°c…

Q: Consider the following reaction: CO2(g)+CCl4(g)⇌2COCl2(g)CO2(�)+CCl4(�)⇌2COCl2(�). Calculate…

A:

Q: Without doing any calculations, deduce the signs of ∆G, ∆H, and ∆S for the process.

A:

Q: Determine the sign of ΔSsys for the following chemical reactions without doing any calculations.  d)…

A: The objective of the question is to determine the sign of the change in entropy (ΔSsys) for the…

Q: What does the superscript ° indicate when associated with a thermodynamicquantity, as in ∆H °, ∆S°,…

A: The superscipt ˚ in thermodynamics indicates that the given thermodynamic quantity is in standard…

Q: Consider the reaction 2 NO21g2 ¡ N2O41g2. Calculate ∆G at 298 K if the partial pressures of NO2 and…

A: Given: Partial pressure of NO2 = 0.40 atm Partial pressure of N2O4 = 1.60 atm Temperature (T) = 298…

Q: A reaction has values ΔS = 60.3 J K-1 mol-1 and ΔH = 44.7 kJ mol-1. At what temperature (in °C) will…

A:

Q: For each reaction, calculate ΔHrxn°, ΔSrxn°, and ΔGrxn° at 25 °C and state whether or not the…

A: a. 2CH4(g)        C2H6(g) + H2(g) Horxn = Hoproducts – Horeactants               = [-84.68 + 0] – [2…

Q: Consider 8 the following reaction: 2NH3(g) + CO2(g) → NH2CONH2(aq) + H2O(l) ∆G° = -13.6 kJ at 25°C…

A: The reaction is, 2NH3(g) + CO2(g) → NH2CONH2 (aq) + H2O(l) Given that: ∆G° = -13.6 kJ  T = 25°C =…

Q: What is entropy, and what is ΔS for a reaction, and what does it mean if ΔS is positive or negative?

A: Answer  The measurement of randomness is called entropy, entropy…

Q: Calculate ΔSsurr at 25°C for the following reaction at constant pressure. Will the reaction be…

A: