Chapter 17: Q41E (page 733)
Rationalize the temperature dependence of the solubility of a gas in terms of the kinetic molecular theory.
When the temperature is increased, the solubility of a gas also increases in terms of the kinetic molecular theory.
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Structure, pressure, temperature all have an effect on solubility. Discuss each of their effects. What is henryโs law? Why does henry law does not work for HCl? What do the terms hydrophobic and hydrophilic mean?
Assume that you place a freshwater plant into a saltwater solution and examine it under a microscope. What happens to the plant cells? What if you placed a saltwater plant in pure water? Explain. Draw pictures to illustrate your explanation.
When pure methanol is mixed with water, the solution gets warmer to the touch. Would you expect this solution to be ideal? Explain.
Carbon tetrachloride (CCl4) and benzene (C6H6) form ideal solutions. Consider an equimolar solution of CCl4 and C6H6 at 25 หC. The vapor above the solution is collected and condensed. Using the following data, determine
the composition in mole fraction of the condensed vapor.
Substance ฮGหf
C6H6(l) 124.50 kJ/mol
C6H6(g) 129.66 kJ/mol
CCl4(l) 265.21 kJ/mol
CCl4(g) 260.59 kJ/mol
What is ion-pairing?
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