1 Gases consist of large numbers of molecules (or atoms, in the case of the noble gases) that are in continuous, random motion. 2  The volume of all the molecules of the gas is negligible compared to the total volume in which the gas is contained.  Attractive and repulsive forces between gas molecules is negligible.
Medical authorities say that Olympic sprint champion Florence Griffith Joyner died of suffocation month ago after suffering seizure while she slept; say seizure was caused by congenital abnormality of blood vessels in her brain (M)
Madam Walker died on May 25, 1919 at 51 years old of kidney failure and other complications due to hypertension at Villa Lewaro, her Irvington-on-Hudson, New York estate. She was buried at Woodlawn Cemetery in the Bronx. For an HGTV excellent video about Villa Lewaro, click here.