Chapter 11, Problem 75d
Suppose you have two colorless molecular liquids, one boil- ing at - 84 °C, the other at 34 °C, and both at atmospheric 6 pressure. Which of the following statements is correct? For each statement that is not correct, modify the statement so that it is correct. (d) The two liquids have iden- tical vapor pressures at their normal boiling points.
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For a given substance, the liquid crystalline phase tends to be more viscous than the liquid phase. Why?
As the intermolecular attractive forces between molecules increase in magnitude, do you expect each of the following to increase or decrease in magnitude? (g) critical temperature.
The table below lists the density of O2 at various temperatures and at 1 atm. The normal melting point of O2 is 54 K.
(b) Over what temperature range is O2 a liquid?
Suppose you have two colorless molecular liquids, one boiling at - 84 °C, the other at 34 °C, and both at atmospheric 6 pressure. Which of the following statements is correct? For each statement that is not correct, modify the statement so that it is correct. (e) At - 84 °C both liquids have vapor pressures of 760 mm Hg.
Two isomers of the planar compound 1,2-dichloroethylene are shown here.
(a) Which of the two isomers will have the stronger dipole– dipole forces?
The table below shows the normal boiling points of benzene and benzene derivatives.
(a) How many of these compounds exhibit dispersion interactions?