Value of this reaction equilibrium constant

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Reference no: EM131945643

Question 1:

For the reaction

A(aq) ---> B(aq)

the change in the standard free enthalpy is 3.41 kJ at 25 oC and 5.46 kJ at 45 oC. Calculate the value of this reaction's equilibrium constant at 75 oC. 

Question 2:

A container encloses 34.7 g of CO2(g). The partial pressure of CO2 is 2.77 atm and the volume of the container is 34.7 L. What is the average, or root mean square, speed (in m/s) of the CO2 molecules in this container?

Question 3:

We have 500.0 mL of a buffer solution that is 0.629 M in NH3 and 0.380 M in NH4Cl. We add 500.0 mL of a solution 0.203 M in HCl. The final volume is 1.0000 L. The Kb value for NH3 is 1.8 x 10-5. What is the pH of the final solution?

Reference no: EM131945643

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