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Identify a true statement about international labor relations.

13) Which unit cell(s) will have the edge distances, “a = b ≠ c”?

18) The osmotic pressure of a solution formed by dissolving 25.0 mg of aspirin (C9H8O4) in 0.250 L of water at 25°C is ________ atm.

What are labor unions and what is their purpose? (Worth 2 points)

Most national unions in the United States are linked with the _____, an association that seeks to improve the shared interests of its member unions at the national level.

21) 0.102 g of an unknown compound dissolved in 100. mL of water has an osmotic pressure of 28.1 mmHg at 20°C. Calculate the molar mass of the compound.   

8)  Consider the phase diagram below.  If the dashed line at 1 atm of pressure is followed from 80 to 350°C, what phase changes will occur (in order of increasing temperature)?

23) The Henry’s Law constant of methyl bromide, CH3Br, is k = 0.159 mol/(L ∙ atm) at 25°C. What is the solubility of methyl bromide in water at 25°C and at a partial pressure of 270. mm Hg?  (1 atm = 760 mmHg)

Dan is a non-union employee at Lexia Inc. Although he does not intend to join the union at the company, he is still required to pay union dues as part of a union contract with the company. What does this scenario best exemplify?

7) The enthalpy change for converting 1.00 mol of ice at -25.0°C to water at 60.0°C is _____kJ.    The specific heats of ice, water, and steam are 2.09 J/gK, 4.18 J/gK, and 1.84 J/gK, respectively.  For H2O,   ΔHfus = 6.01 kJ/mol, and   ΔHvap = 40.67 kJ/mol.