(14) 5.2cm' of a gaseous hydrocarbon were exploded with an excess of oxygen. After cooling to the original room temperature and pressure, a contraction in volume of 7.8cm' was observed.
A further contraction of 10.4cm' was noted after treatment with concentrated KOH. What is
the molecular formula of the hydrocarbon?

__can be defined as which velocity changes

What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.

How many atoms are in 2 moles of phosphorus