... solid sand. The resulting liquid is set aside for both quantitative and qualitative analysis. Water was not used first in our separation technique because one of our organic compounds, m-nitroaniline, were slightly soluble in water (we guessed that we had m-nitroaniline and naphthalene due to our soil's distinctive color and odor). Had we used water first, the liquid layer from the separation would be composed ... of both inorganics and some organics, requiring us to perform extra separation techniques again on the water solution. None of the inorganics were soluble in ethyl acetate so ...

• Word Count: 3975
• Approx Pages: 16
• Has Bibliography
• Grade Level: High School

... the brilliant colors that splash across our majestic hills and valleys each fall. Those streaks of color appear because we have so many trees. In fact, in virtually every setting, from the swamps along the oxbows of the Housatonic River to the summits of the Taconic mountains, the dominant vegetation of our landscape is trees. But why are trees here? Why did trees grow in ... year, to allow trees to draw moisture to a height above the ground. Why do trees need water? As plants turn sunlight into sugars, through the process of photosynthesis, they use up water. Additional water transpire...

• Word Count: 2774
• Approx Pages: 11
• Grade Level: High School