Higher molecular mass amines tend to be less odorous than lower molecular mass amines. Why?
What will be an ideal response?
In order for a compound to be smelled it must be in a gaseous phase so that it can travel to the nose. Greater molecular interactions occur within higher molecular mass chemical compounds (see Chapter 12); hence, they tend to remain in a solid or liquid phase at normal temperatures.
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The outer, rigid part of the Earth consisting of the upper mantle, oceanic crust, and continental
crust; this layer is divided into plates: a. lithosphere d. biosphere b. asthenosphere e. mesosphere c. atmosphere
The Mohorovicic discontinuity or Moho corresponds to the boundary between
A) core and crust. B) mantle and core. C) mantle and crust. D) oceanic crust and continental crust.
The best example of continuing orogeny at an oceanic-continental plate boundary is the Andes. Indicate whether the statement is true or false
Elevating the status of women slows the rate of human population growth.
Answer the following statement true (T) or false (F)