Blog

17) What is the freezing point of a solution of 7.15 g MgCl2 in 100 g of water? Kf for water is 1.86°C/m.  

25) What is the boiling-point change for a solution containing 0.675 mol of naphthalene (a nonvolatile, nonionizing compound) in 250. g of liquid benzene? (Kb = 2.53°C/m for benzene)

The National Labor Relations Board has two major functions: one is to prevent unfair labor practices, and the other one is to

Rite Inc., a company headquartered in the United States, opens an overseas facility in China. In this scenario, the Chinese facility is located in a

16) The aqueous solution, _______ shows the lowest vapor pressure, but the solution, _______reveals the lowest osmotic pressure.    (A) 0.16 M Ca(OH)2         (B) 0.18 NaNO3          (C) 0.40 M C4H9OH          (D) 0.06M Mg3(PO4)2             

4) Predict a decrease (highest to the lowest) in the enthalpy of vaporization for the following compounds? (slower the vaporization the higher enthalpy change – due to stronger IMFs)  (A) H2O (water)   (B) OH-CH2CH2-OH (glycerol, anti-freezing agent) (C) CH3CH2CH3 (fuel) (D) CH3CH2NH2 (drug’s framework)

International assignments are especially beneficial to the organization if they are linked to the company’s

The most important influence on international HRM is the culture of the country in which a facility is located.

24) A solution is prepared by dissolving 52.3 g of RbCl in enough water to form 502 mL of solution.  Calculate the mass % of RbCl in the solution if the density is 1.12 g/mL.

For the following questions (15), show your calculations work step-by-step on the papers, scan the entire documents and make them in a PDF file. Upload it in this section.    Q5 – Q7, Q12, Q14, Q17 – Q26.   (9 + 10 bonus points for showing all questions’ work)