The standard enthalpy of a certain reaction is approximately constant at +125 kJ mol−1 from 800 K up to 1500 K. The standard reaction Gibbs energy is +22 kJ mol−1 at 1120 K. Estimate the temperature at which the equilibrium constant becomes greater than 1.

The standard enthalpy of a certain reaction is approximately constant at +125 kJ mol−1 from 800 K up to 1500 K. The standard reaction Gibbs energy is +22 kJ mol−1 at 1120 K. Estimate the temperature at which the equilibrium constant becomes greater than 1.

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter5: Introduction To Chemical Equilibrium

Section: Chapter Questions

Problem 5.49E: 5.49. Consider the following equilibrium: What is the effect on the equilibrium of each of the...

See similar textbooks

Related questions

Q: The decomposition of a generic diatomic element in its standard state is represented by the equation…

A: Given :

Q: The standard reaction Gibbs energy of the isomerization of cis-2-pentene to trans-2-pentene at 400 K…

A: Given reaction: Isomerization of cis-2-pentene to trans-2-pentene and the value of Gibbs energy is…

Q: The biological standard reaction Gibbs energy of the reaction of removing phosphate from adenosine…

A: Given, Energy is = -14 KJ/ mol. Temperature is = 298 K. pH is = 7. given, ∆G = ∆G° + R.TlnQ We have…

Q: The equilibrium pressure of H2 over a mixture of solid uranium and solid uranium hydride at 500 K is…

Q: From information in the Resource section, calculate the standard Gibbs energy and the equilibrium…

A: According to the chemical equation, Gibbs free energy for the reaction at 298.15 K is calculated as…

Q: One of the most extensively studied reactions of industrial chemistry is the synthesis of ammonia,…

A: Gibbs energy- Where, R=Gas constant T= temperature K=equilibrium constant

Q: Borneol is a pungent compound obtained from the campharwood tree of Borneo and Sumatra. The standard…

A: The given isomerization reaction is as follows, It is given that the mixture is consisting of 0.15…

Q: The standard reaction Gibbs energy of the decomposition of CaCO3 into CaO and CO2 at 1173 K is…

A: Given data is as follows: The standard Gibbs free energy of the reaction = +0.178 kJ/mol = 178 J/mol…

Q: The decomposition of a generic diatomic element in its standard state is represented by the equation…

A: Answer:- This question is answered by using the simple concept of calculation of equilibrium…

Q: The standard reaction Gibbs energy for the reactionH2(g) + (1)/(2)O2(g) → H2O(I) is -237.13 kJ mol-1…

A: Gibbs energy, Where, R=Gas constant T= temperature Kc=equilibrium constant at concentration 'c'

Q: The decomposition of a generic diatomic element in its standard state is represented by the equation…

Q: The standard potential of the AgCl/Ag, CI couple fits the expression Eº/V = 0.23659-4.8564 x 10-4…

Q: The standard Gibbs energy of the reaction N2(g) + 3 H2(g) → 2 NH3(g) is −32.9 kJ mol−1 at 298 K.…

Q: The standard Gibbs energy of formation for PH3(g) is 12.7 kJ/mol at 298 K: 1/4 P4(s) + 3/2 H2(lg) –…

A: The free energy of formation (∆G0) is a change of free energy which accompanies the formation of 1…

Q: X,(g) X(g) Assume that the standard molar Gibbs energy of formation of X(g) is 4.43 kJ - molat 2000.…

A: Given; ∆G (at 2000k) = 4.43 kj/mol = 4430 j/mol Unknown; K (at 2000) ??

Q: One enzyme-catalysed reaction in a biochemical cycle has an equilibrium constant that is 8.4 times…

A: K1 = 8.4 K2 ∆Gₒ1 = -2.303RTlogK1, ∆Gₒ1 = - 250 KJ/mol Standard reaction occur at 25ₒC or 298 K - 250…

Q: The standard reaction Gibbs energy of the isomerization of borneol to isoborneol in the gas phase at…

A: Gibb's energy is the amount of maximum reversible work that may be performed by a thermodynamic…

Q: Cons Consider the dissolution of calcium fluoride: CaF2(s) → Ca2*(aq) + 2 F"(aq) Part A which has…

A: Gibbs free energy is given by: ∆rG° = ∆rH° - T∆rS°- S∆rT When there is no change in temperature the…

Q: Calculate the standard Gibbs energy and equilibrium constant at (a) 25 ° C and (b) 50 ° C for the…

Q: The decomposition of a generic diatomic element in its standard state is represented by the equation…

A: Given : At 2000 K ∆G° = 4.94 KJ mol-1 At 3000 K ∆G° = -62.81 KJ mol-1

Q: Step 6 of 11 Use the relation from Step 1 to define A,G using biochemical standard states. A,G =…

Q: The standard reaction enthalpy of Zn(s) + H2O(g) → ZnO(s) + H2(g) is approximately constant at +224…

A: the enthalpy change that occurs in a system when a matter is transformed by a given chemical…

Q: Calculate the standard Gibbs energy change at 25 °C for the following reaction: Mg(s) +…

Q: If we have a hydrophobic molecule in aqueous solution that makes contact with 25 water molecules,…

A: Hydrophobic molecules do not interact with the water molecule at normal temperature. Mixing of…

Q: For CaF2(s) ⇋ Ca2+(aq) + 2 F−(aq), K = 3.9 ×10−11 at 25 °C and the standard Gibbs energy of…

A: the standard gibbs energy is calculated by ,⊿G =-RT lnKwhereR=gas constantT=temperatureK=constant

Q: The reaction of ozone in the atmosphere and nitric oxide has a reaction enthalpy and reaction…

A: We will calculate gibbs free energy by using gibbs helmholtz equation.

Q: The biological standard reaction Gibbs energies, at pH = 7, for the hydrolysis of…

A: Given: ΔrGo for hydrolysis of glucose-1-phosphate = -21 KJ/mol. = -21000 J/mol.…

Q: The decomposition of a generic diatomic element in its standard state is represented by the equation…

A: Solution- (a),At 2000K ∆G0f =5.51 kL/mol∆G0f = RT In KIn K=∆G0f-RTIn K = 5510J/mol-8.314J/mol K…

Q: One reaction has a standard Gibbs energy of −320 kJ mol−1 and a second reaction has a standard Gibbs…

A: Given data contains, First reaction has standard Gibbs energy is −320 kJ mol−1. Second reaction has…

Q: The decomposition of a generic diatomic element in its standard state is represented by the equation…

A: A chemical reaction involves the formation and breaking of bonds. There are basically two different…

Q: The standard reaction Gibbs energy of the isomerization of borneol (CioH17OH) to isoborneol…

A: Borneol --> isoborneolT= 503 KR= 8.314 J/K.moleTotal number of moles = 0.15 mole +0.30 mole =0.45…

Q: Consider the dissolution of calcium fluoride: CaF2(s) - Ca2*(aq) + 2 F(aq) Part A which has the…

A: Using Formula of gibbs free energy change we can solve this problem.

Q: The standard reaction enthalpy for the reaction Zn(s) + H2O(g) --> ZnO(s) + H2(g) is…

A: Standard gibbs free energy is expressed as- ∆rxnG = -RTlnK where, R = gas constant…

Q: 7.3(a) From information in the Data section, calculate the standard Gibbs energy and the equilibrium…

Q: The decomposition of a generic diatomic element in its standard state is represented by the equation…

A: Equilibrium constant at 2000 K is calculated as,

Q: One reaction has a standard Gibbs energy of -320 kJ mol-1 and a second reaction has a standard Gibbs…

A: The maximum amount of reversible work that can be done by a thermodynamic system at constant…

Q: The standard Gibbs energy of formation of PH3(g) is +13.4 kJ mol−1 at 298 K. What is the…

A: The reaction for the formation of PH3:Ps+32H2g→PH3gWe use the following formula to calculate gibbs…

Q: Use standard Gibbs energies of formation to calculate the standard reaction Gibbs energies at 298 K…

A: Given : Chemical equation : Zn(s)+Cu2+(aq)→Zn2+(aq)+Cu(s) C12H22O11(s)+12O2(g)→12CO2(g)+11H2O(l)…

Q: Write a DIMENSIONLESS equation for the equilibrium constant K of this reaction. Assume the mixture…

A: (i) N2O4 (g) ⇔2NO2 (g) K = [NO2]2[N2O4]

Q: 3) The standard reaction enthalpy of certain reaction is approximately constant at +125 kJ/mol from…

A: The standard enthalpy change of formation is equal to the difference of standard enthalpies of…

Q: Using the information in the data section, calculate the standard reaction ent and standard reaction…

A: Given reaction is : N2 (g) + 3H2 (g) ---------> 2NH3 (g) a). Calculate the standard change in…

Q: The following plot is the molar Gibbs energy as a function of pressure for the three phases of a…

A: To determine the correct statement for slope B.

Q: The equilibrium constant for the isomerization of cis-2-butene to trans-2-butene is K = 2.07 at 400…

A: The equilibrium constant for the isomerization of cis-2-butene to trans-2-butene is K = 2.07 at 400…

Q: Calculate the standard reaction Gibbs energy at this temperature.

Q: The table below provides data for the enthalpy and entropy of formation of compounds A and B at…

A: #(b): In an isomerization reaction, one isomer converts to another isomer. Since isomers have same…

Q: e standard Gibbs energy of reaction at 721 K for the reaction H2(g) + I2(g) -> 2 HI(g) is ─23.6 kJ.…

A: The Gibbs free energy of a reaction at particular condition ∆Gr is calculated from the standard…

Q: The equilibrium pressure of H2 over solid uranium and uranium hydride,UH3, at 500K is 1.04Torr.…

A: Gibbs free energy is thermodynamical potential used to calculate maximum reversible work .

Q: The decomposition of a generic diatomic element in its standard state is represented by the equation…

A: Given: At 2000 K, ΔG of the reaction = 5.55 KJ/mol = 5550 J/mol. And at 3000 K, ΔG of the reaction =…

Q: or the reaction N2 (g) + 3H2(g) --> 2 NH3 (g), (a) what is the reaction Gibbs free energy at…

A: The given reaction is: a) At equilibrium, the working of the cell stops. Thus Ecell of the reaction…

Question

The standard enthalpy of a certain reaction is approximately constant at +125 kJ mol⁻¹ from 800 K up to 1500 K. The standard reaction Gibbs energy is +22 kJ mol⁻¹ at 1120 K. Estimate the temperature at which the equilibrium constant becomes greater than 1.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step 5

Trending now

This is a popular solution!

Step by step

Solved in 5 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

5.49. Consider the following equilibrium: What is the effect on the equilibrium of each of the following changes? (You may need to calculate some standard enthalpy or Gibbs energy changes to answer these.) (a) The pressure is increased by decreasing the volume. (b) The temperature is decreased. (c) The pressure is increased by the addition of nitrogen gas, .
The standard reaction Gibbs energy of the isomerization of borneol (C10H17OH) to isoborneol in the gas phase at 503 K is +9.4 kJ mol−1. Calculate the reaction Gibbs energy in a mixture consisting of 0.15 mol of borneol and 0.30 mol of isoborneol when the total pressure is 600 Torr.
The standard reaction Gibbs energy for the reactionH2(g) + (1)/(2)O2(g) → H2O(I) is -237.13 kJ mol-1 at 25 °c. Determine the equilibrium constant in terms of concentration, Kc, at this temperature.
One reaction has a standard Gibbs energy of -320 kJ mol-1 and a second reaction has a standard Gibbs energy of -55 kJ mol-1. What is the ratio of their equilibrium constants at 300 K?
The standard Gibbs energy of formation of NH3(g) is −16.5 kJ mol−1 at 298 K. What is the corresponding reaction Gibbs energy when the partial pressures of the N2, H2, and NH3 (treated as perfect gases) are 3.0 bar, 1.0 bar, and 4.0 bar, respectively? What is the spontaneous direction of the reaction in this case?
The equilibrium constant for the reaction CO(g) + H2O(g) ⇌ CO2(g) + H2(g) is K = 1.03 × 105 at 298.15 K. Calculate the standard reaction Gibbs energy at this temperature.
The standard reaction enthalpy of Zn(s) + H2O(g) → ZnO(s) + H2(g) is approximately constant at +224 kJ mol-1 from 920 K up to 1280 K. The standard reaction Gibbs energy is +33 kJ mol-1 at 1280 K. Assuming that both quantities remain constant, estimate the temperature at which the equilibrium constant becomes greater than 1.
The standard reaction Gibbs energy of the isomerization of borneol to isoborneol in the gas phase at 503K is 9.4kJ/mol. Calculate the reaction Gibbs energy in a mixture consisting of 0.15mol of borneol and 0.30mol of isoborneol when the total pressure is 600 Torr.
From information in the Resource section, calculate the standard Gibbs energy and the equilibrium constant at (i) 25 °C and (ii) 50 °C for the reaction CH4(g) + 3 Cl2(g) ⇋ CHCl3(l) + 3 HCl(g). Assume that the standard reaction enthalpy is independent of temperature. At 298.15 K ΔfG⦵ (CHCl3(l)) = −73.7 kJ mol−1 and ΔfH⦵ (CHCl3(l)) = −134.1 kJ mol−1.
The standard Gibbs energy of formation of PH3(g) is +13.4 kJ mol−1 at 298 K. What is the corresponding reaction Gibbs energy when the partial pressures of the H2 and PH3 (treated as perfect gases) are 1.0 bar and 0.60 bar, respectively? What is the spontaneous direction of the reaction in this case?
Borneol is a pungent compound obtained from the campharwood tree of Borneo and Sumatra. The standard reaction Gibbs energy of the isomerization of borneol to isobarneal in the gas phase at 503 K is +9.4 kJ mol-1. Calculate the reaction Gibbs energy in a mixture consisting of 0.15 mol of borneol and 0.30 mol of isoborneol when the total pressure is 600 Torr.
One reaction has a standard Gibbs energy of −320 kJ mol−1 and a second reaction has a standard Gibbs energy of −55 kJ mol−1, both at 300 K. What is the ratio of their equilibrium constants at 300 K?