Which of the following is a reasonable value for the pKb of an aliphatic amine?
A) 1.5
B) 3.5
C) 6.5
D) 8.5
B
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Using the graphic map scale, estimate how far the slide moved across the valley floor of the North Fork Stillaguamish River from the bottom of the mountain side.
The question is based on Figure 38-8, a digital elevation model showing the 2014 Oso, Washington, landslide along the North Fork Stillaguamish River, and color Map T-26b in the back of the Lab Manual, showing a portion of the “Mount Higgins, Washington” quadrangle (scale 1:24,000; contour interval 40 feet); this same topographic map is reproduced in black-and-white as Figure 38-14. What will be an ideal response?
Which of the following is a correct IUPAC name?
A) 1-methylhexane B) 2-ethylhexane C) 3-propylhexane D) None, they are all incorrect.
List the four countries that belong to the Slavic area:
The energy released in a hurricane by forming clouds and rain is greater than the energy of its winds.
Answer the following statement true (T) or false (F)