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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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
Soil cohesion is enhanced by the presence of
A) gravel and sand particles B) clay and silt particles C) subsurface water D) organic matter
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?
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