A given volume of neon passed through a small opening in 26.7 s. Under identical conditions, it took 38.5 s for the same volume of a hydrocarbon to pass through the opening. What is the molar mass of the hydrocarbon?

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.