Given: C2H2(g) ⇌ 2C(graphite) + H2(g) ΔG° = -209 kJ A sample of gaseous C2H2 (acetylene, or ethyne) was stored for one year, yet at the end of this period the sample remained unchanged and no graphite or hydrogen gas had been formed. Briefly explain why there is no inconsistency between the sign of ΔG° and the apparent stability of the sample.

Q: e normal boiling point of methanol is 64.7 °C and the molar enthalpy of vaporization is 71.8 kJ/mol.…

A: We know that , at normal boiling point, Gibb's free energy change is given by,   ΔGvap = ΔHvap - TΔS…

Q: chapter 12:  16) The following reaction has these standard thermodynamic parameters: ΔHºrxn =…

A: Given;  ΔHºrxn = –32.6 kJ/mol.  ΔSºrxn = –63.8 J(mol •  K). C(g)+D(g)--->E(g).

Q: For the reaction A(g) ⇋ B(g) + C(g), the equilibrium constant is 1.80 at 25.0oC and 4.43 at 75.0oC.…

A: The equilibrium constant can be written as the ratio of concentration of products to the…

Q: What is the equilibrium constant at 25o C for the reaction 2 CO(g) + O2(g) ⇌ 2 CO2(g) given the…

A:

Q: For the gas-phase equilibrium A(g) + 2 B(g) ⇌ C(g) the initial partial pressures of A, B, and C are…

A: Given data, Pressure of A = 0.300 atm Pressure of B = 0.300 atm Pressure of C = 0.300 atm…

Q: What are the signs of ΔH,ΔS,ΔG when CO2 (dry ice) sublimes to a gas at room temperature and 1 atm…

A: Given A Dry ice sublimes to a gas at room temperature and 1 atm pressure. The temperature of dry ice…

Q: For the reaction 2 A (g) → B (g), Kp = 0.00271 at 298 K. When ∆G = 8.35 kJ/mol, what is the partial…

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Q: P2 (g)  +  3Cl2 (g)  →  2PCl3 (g) If ΔGº at 298 K for the reaction is –642.9 kJ/mol, what is the…

A:

Q: Consider the reaction:CH3OH( g)<--------->CO( g) + 2 H2( g)Calculate ΔG for this reaction at…

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Q: 14) 14) Given the thermodynamic data in the table below, calculate the equilibrium constant (at…

A: The equilibrium constant (K) is related with standard Gibb’s free energy change as follows: Where,…

Q: At 1500 °C the equilibrium constant for the reaction CO(g) + 2H₂(g) CH₃OH(g) has the value Kp = 1.4…

A: Given reaction: CO(g) + 2H₂(g) ⇌ CH₃OH(g)  Kp = 1.4 x 10⁻⁷ We have to calculate ΔG° for this…

Q: Keq

A:

Q: 2 A (g) + B (g) -> 2 C (s) ΔHº = ‒75.0 kJ ΔSº = ‒150.0 J/K ΔGº= -30.3 kJ iv. 0.100 atm of A,…

A: Given:- For this reaction :- 2 A (g) + B (g) ⇒ 2 C (s) ΔHº = ‒75.0 kJ  ΔSº = ‒150.0 J/K  ΔGº= -30.3…

Q: Calculate Kp for the following reaction at 25°C:   2SO2(g) + O2 (g) → 2SO3 (g)   For SO2(g),…

A:

Q: 3NO2(g) + H2O(l) → 2HNO3(l) + NO(g) Substance ΔG°f (kJ/mol)  ​ ​ ​   H2O(l) −237.2 HNO3(l) −79.9…

A:

Q: For the reaction 2 A (g) → B (g), Kp = 0.00553 at 298 K. When ∆G = 8.35 kJ/mol, what is the partial…

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Q: The value of ΔG° at 25 °C for the decomposition of phosphorous trichloride into its constituent…

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Q: Calculate the equilibrium constant, Keq, at 25 °C for the following reaction if ΔGfo for methanol is…

A:

Q: Determine the temperature of a reaction if K = 1.20 x 10⁻⁶ when ∆G° = +37.60 kJ/mol.

A: Formula used :-  ∆G° = -2.303RTlogk   ∆G° = change in Gibb's free energy  k = equilibrium constant…

Q: Consider the reaction:2 NO( g) + O2( g)Δ2 NO2( g)The following data show the equilibrium constant…

A: The change in the Gibbs function is always given by equation (∆G=∆H-T∆S). Where (∆H) is a change in…

Q: Determine the temperature of a reaction if K = 1.20 x 10⁻⁶ when ∆G° = +20.70 kJ/mol

A:

Q: What is the ΔG of the following hypothetical reaction?     2A(s) + B2(g) → 2AB(g) Given: A(s) +…

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Q: Determine AG° for the reaction 3 N,(g) + 2 O3(g) 6 NO(g) at 223°C. AH° = +257.7 kJ/mol kJ/mol AS° =…

A: ∆G° for the below reaction at 223°C needs to be determined                       3 N₂(g) + 2 O₃(g) →…

Q: The value of ΔrHº is -12.93 kJ/mol over the range 500-1200 K for the reaction H2 (g) + I2 (g) ↔ 2HI…

A: By the estimate of the enthalpy of reaction by looking at the individual bonds involved. If we know…

Q: Determine the temperature of a reaction if K = 1.20 x 10⁻⁶ when ∆G° = +26.30 kJ/mol.

A: Given data is as follows: The standard gibbs energy change, ∆G° = +26.30 kJ/mol The value of…

Q: A reaction has an equilibrium constant of 8000 at 298 K. At 785 K, the equilibrium constant is 0.54.…

A: Step 1:By Van't hoff equation  relation between equilibrium constants at two different temperatures…

Q: What is ∆G° for the reaction Br₂(g) → 2 Br(g) at 25.0 °C if K = 4.6 x 10⁻²⁹? (R = 8.314 J/mol･K) in…

A: Given reaction: Br₂(g) → 2 Br(g) K = 4.6 x 10⁻²⁹ We have to calculate ∆G° for the reaction.

Q: Consider this reaction at 298 K: C2H4 (g) + 3 O2 (g) ⇌ 2 CO2 (g) + 2 H2O (g) Calculate ΔGrxn in…

A: Temperature = 298K PC2H4 (g) = 0.194 atm;PO2 (g) = 0.214 atm; PCO2 (g) = 0.236 atm; PH2O (g) = 0.279…

Q: Consider the following equilibrium: 2NO2g    N2O4g =       ΔG0−5.4kJ Now suppose a reaction vessel…

A: The spontaneous chemical reaction proceeds on its own in the forward direction when the change in…

Q: The combustion of ethene in the presence of excess oxygen yields carbon dioxide and water: C2H4 (g)…

A: For the reaction, delta So can be calculated using standard entropy value

Q: For the reaction A (g) → 3 B (g), Kp = 0.767 at 298 K. What is the value of ∆G for this reaction at…

A:

Q: Consider the reaction: N2 (g) + 3H2 (g) → 2NH3 (g) Calculate ΔG at 25°C for a mixture containing 1.0…

A: The reaction quotient for the given reaction is: Q=PNH32PN2PH23Q=(0.50)2(1.0)(3.0)3=0.009259=9.26…

Q: Consider the reaction of 25.0 mL of 0.20 M AgNO3(aq) with 25.0 mL of 0.20 M NaBr(aq) to form AgBr(s)…

A: Given: 25 mL of 0.20 M AgNO3 25 mL of 0.20 M NaBr Ksp of AgBr = 5 x 10-13 at 25oC Reaction: AgNO3 +…

Q: For the equilibrium A + B ⇌ C + D K was measured to be 1.20 at 25°C and 2.75 × 10⁻² at 300°C. What…

A: Initial rate constant ( k1) = 1.20  Initial temperature (T1) = 25°C   ....Or  because  °C + 273 = k…

Q: For reaction of A and B: A + B C , rHo = -20 kJ mol-1 and K = 50 at 25C. Calculate K at 100 C.

A: Temperature T1 = 25 oC = 298 K Temperature T2 = 100 oC = 373 K Enthalpy of reaction, delta rHo = -20…

Q: Explain the color change that occurred the diluted solution was heated. (How would the reaction…

A: According to recheck laya principal equilibrium will sit in that direction where it restore the…

Q: Determine the temperature of a reaction if K = 1.20 x 10⁻⁶ when ∆G° = +17.90 kJ/mol.

A: The objective of the question is to find the temperature of a reaction given the equilibrium…

Q: 2. ΔG0 for the reaction N2 (g) + 3H2 (g) ⇌ 2NH3 (g) is -33.3 kJ. Calculate ΔG at 298 K for a…

A: The equilibrium constant in terms of partial pressures is calculated,