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The boiling point of pure ethanol is 78.4 °C. A solution is made using 100.0 g of ethanol (the solvent) (MM = 46.07 g/mol) and 12.1 g of methanol (MM = 32.04 g/mol). What is the boiling point of this solution? (Kb of ethanol is 1.22 °C/m)

A 10.00% by mass aqueous solution of Hydrogen Bromide has a density of 1.046 g/mL. What is the molality of the solution?

Define the following terms and give 1 example molecule for each: Strong Electrolyte, Weak Electrolyte and Non-Electrolyte

For each of the following compounds, identify the strongest intermolecular force:  NaCl      [force1]      HCl        [force2] CH4  [force3]        NH3    [force4]   Which compound has the Highest… boiling point?     [compound1] Molar heat of vaporization? [compound2] Viscosity?   [compound3] Vapor pressure? [compound4]

The Henry’s law constant at 25 °C for CO₂ in water is 0.035 M/atm. What would be solubility of CO₂, in molarity units, be in 1.0 L of water when the partial pressure of CO₂ is 2.3 atm?

An aqueous solution contains 0.97g/L of an organic compound. The osmotic pressure of this solution is 0.0828 atm, at 25°C. What is the molar mass of this compound?  Answer to 3 sf.

3.5 Frame 3: “I’ve never heard a song that depresses me the way this one does.”  Write out the contraction in full. (1)

4.1 As we drove along the farm road we saw a large herd of cows walking down the path. (2)

3.3 Why is it odd that Charlie asks his friend to play the song again? (2)

4.3 The moo of the cows and the swish of their tales could be heard from a distance. “Moo” and “swish” are examples of:[ans1] (1)