Which of the following is formed by the reaction of propanoic anhydride with diethylamine?
A) propanamide
B) N-ethylpropanamide
C) N,N-diethylpropanamide
D) ethyl propanoate
C
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Soil cohesion is enhanced by the presence of
A) gravel and sand particles B) clay and silt particles C) subsurface water D) organic matter
Which statement correctly describes changes in the depth of the seafloor moving away from a divergent plate boundary?
Which statement correctly describes changes in the depth of the seafloor moving away from a divergent plate boundary?
- Depth remains essentially unchanged
- Depth decreases
- Depth increases
If a gas cools under constant pressure, the molecules within it have ________ kinetic energy (motions) and can therefore ________.
A. more; be packed into a larger volume B. less; be packed into a smaller volume C. more; be packed into a smaller volume D. less; be packed into a larger volume
What does a sense of place mean? Do you have such a place, and if so, where is it? Do you think a sense of place is important? What would you do to protect that place?
What will be an ideal response?