For the reaction A(aq) ---> B(aq) the change in the standard free enthalpy is 2.59 kJ...

For the reaction

A(aq) ---> B(aq)
the change in the standard free enthalpy is 2.59 kJ at 25 ^oC and 4.73 kJ at 45 ^oC. Calculate the value of this reaction's equilibrium constant at 75 ^oC.

Expert Solution

queen_honey_blossom answered 2 years ago

a) For the reaction: A(aq) ---> B(aq) the change in the standard free enthalpy is 2.83...

a) For the reaction: A(aq) ---> B(aq) the change in the standard free enthalpy is 2.83 kJ at 25 oC and 4.61 kJ at 45 oC. Calculate the value of this reaction's equilibrium constant at 75 oC. b) A container encloses 31.1 g of CO2(g). The partial pressure of CO2 is 2.66 atm and the volume of the container is 25.9 L. What is the average, or root mean square, speed (in m/s) of the CO2 molecules in this container?

A reaction A(aq) + B(aq) --> C(aq) has a standard free-energy change of –3.23 kJ/mol at...

A reaction A(aq) + B(aq) --> C(aq) has a standard free-energy change of –3.23 kJ/mol at 25 °C. What are the concentrations of A, B, and C at equilibrium if, at the beginning of the reaction, their concentrations are 0.30 M, 0.40 M, and 0 M, respectively?

A reaction: A (aq) + B (aq) <-----> C (aq) has a standard free energy change...

A reaction: A (aq) + B (aq) <-----> C (aq) has a standard free energy change of -3.05 kJ/mol at 25 C. What are the concentrations of A, B, and C at equilibrium if, at the beginning of the reaction, their concentrations are 0.30 M, 0.40 M, and 0 M, respectively? A = ? M B= ? M C= ? M How would your answer above change if the reaction had a standard free energy change of +3.05 kJ/mol? A.)...

A reaction A (aq) + B (aq) <--> C (aq) has a standard free-energy change of...

A reaction A (aq) + B (aq) <--> C (aq) has a standard free-energy change of –3.85 kJ/mol at 25 °C. What are the concentrations of A, B, and C at equilibrium if, at the beginning of the reaction, their concentrations are 0.30 M, 0.40 M, and 0 M, respectively? [A]= M [B]= M [C]= M

A scientist measures the standard enthalpy change for the following reaction to be -613.2 kJ :...

A scientist measures the standard enthalpy change for the following reaction to be -613.2 kJ : P4O10(s) + 6 H2O(l)-->4H3PO4(aq) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H3PO4(aq) is kJ/mol.

A reaction A + B <==> C has a standard free-energy change of -3.27 kJ/mol at...

A reaction A + B <==> C has a standard free-energy change of -3.27 kJ/mol at 25oC What are the concentrations of A, B, and C at equilibrium if at the beginning of the reaction their concentrations are 0.30M, 0.40M and 0M respectively?

a) The standard enthalpy change for the following reaction is -270 kJ at 298 K. 2HCN...

a) The standard enthalpy change for the following reaction is -270 kJ at 298 K. 2HCN (g) --> 2 C(s, graphite) + H2 (g) + N2 (g) ΔH° = -270 kJ What is the standard enthalpy change for this reaction at 298 K? C (s, graphite) + 1/2 H2(g) + 1/2 N2(g) ---> HCN(g) _______ kJ

A.) The standard enthalpy change for the following reaction is 359 kJ at 298 K. PbCl2(s)...

A.) The standard enthalpy change for the following reaction is 359 kJ at 298 K. PbCl2(s) ----> Pb(s) + Cl2(g) ΔH° = 359 kJ What is the standard enthalpy change for this reaction at 298 K? Pb(s) + Cl2(g) ----> PbCl2(s) __________ kJ B.) The standard enthalpy change for the following reaction is -602 kJ at 298 K. Mg(s) + 1/2 O2(g) ----> MgO(s) ΔH° = -602 kJ What is the standard enthalpy change for the reaction at 298 K? 2...

The standard enthalpy change for the following reaction is -170 kJ at 298 K. 2 Cu(s)...

The standard enthalpy change for the following reaction is -170 kJ at 298 K. 2 Cu(s) + 1/2 O2(g) Cu2O(s) ΔH° = -170 kJ What is the standard enthalpy change for the reaction at 298 K? 4 Cu(s) + O2(g) 2 Cu2O(s) A student determines the heat of dissolution of solid cobalt(II) chloride using a coffee-cup calorimeter of negligible heat capacity. When 1.33 g of CoCl2(s) is dissolved in 111.00 g of water, the temperature of the solution increases from...

at 25c the standard enthalpy of formation of HF(aq) is -320.1 kj/mol. of OH(aq) it is...

at 25c the standard enthalpy of formation of HF(aq) is -320.1 kj/mol. of OH(aq) it is -229.6Kj/mol. of F (aq) it is -329.2 Kj/mol.of H2O(l) it is -285.9Kj/mol. a. calculate the standard enthalpy of neutralization of HF. HF (aq) + OH- (aq) -->F-(aq) +H2O (l) b.using the value of -56.2kj as the standard enthalpy change for the reaction H+(aq)+ OH(aq)->H2O(l) c. calculate the standard enthalpy of change for the reaction HF->H+F

Question