The mean activity coefficients of HBr in three dilute aqueous solutions at 25° C are 0.930 (at 5.0 mmol kg-1), 0.907 (at 10.0 mmol kg-1), and 0.879 (at 20.0 mmol kg-1). Estimate the value of B in the extended Debye-Hückel law, with C = 0

answer

watching

369

views

For unlimited access to Homework Help, a Homework+ subscription is required.

Read by 2 people

You have 0 free answers left.
Get unlimited access to 3.8 million step-by-step answers.

Get unlimited access

Already have an account? Log in

coffeetrout614Lv1

2 Jul 2021

Unlock all answers

Get 1 free homework help answer.

Already have an account? Log in

Join us on Discord

Chemistry Study Group

Join now

Related questions

The reduction of protons to hydrogen gas occurs according to the following reaction and standard potential:

2H^+(aq) +2e^- H2(g) E=0

Consider a hydrogen electrode in HBr(aq) at 25 degrees C operating at a pressure of 1.45 bar. If the pressure of the electrode is kept constant but the concentration of the solution is changed from 5.0 mmol L^-1 to 15.0 mmol L^- acid what is the change in the electrode potential

A. 28 mV

B. Not enough information

C. -28 mV

hello guys I want u halp to solove those question

4/ The concentration of CO2 in a soft drink bottled with a partial pressure of CO2 of 4.0 atm over the liquid at 25 Â°C is 1.2 Ã 10-1 M. The Henry's law constant for CO2 at this temperature is ________.

5/ The concentration of urea (MW = 60.0 g/mol) in a solution prepared by dissolving 16 g of urea in 39 g of H2O is ________ molal.

6/ The vapor pressure of pure ethanol at 60 Â°C is 0.459 atm. Raoult's Law predicts that a solution prepared by dissolving 10.0 mmol naphthalene (nonvolatile) in 90.0 mmol ethanol will have a vapor pressure of ________ atm.

7/Calculate the vapor pressure of a solution made by dissolving 109 grams of glucose in 920.0 ml of water at 25 Â°C. The vapor pressure of pure water at is . Assume the density of the solution is 1.00 g/ml.

8/George is making spaghetti for dinner. He places 4.01 kg of water in a pan and brings it to a boil. Before adding the pasta, he adds 58 g of table salt (NaCl) to the water and again brings it to a boil. The temperature of the salty, boiling water is ________Â°C.

Assume a pressure of 1.00 atm and negligible evaporation of water. Kb for water is