In a Lewis structure, which of the following atoms can have more than eight electrons associated with it?
A) C
B) N
C) O
D) none of these
D
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What complication does "duff" add to job of firefighters?
A. Duff makes a nearby larger fire appear to be less dangerous than it really is. B. Duff invisibly burns within the leaves of some plants. C. Duff can rain fire and embers down on unburned areas that are kilometers away. D. Duff allows fire to smolder in the soil and restart the fire again after it appears to be out.
The correct order of seafloor features from the coast to the mid-ocean ridge is ________
A) abyssal plain, rise, slope, shelf B) abyssal plain, shelf, slope, rise C) rise, abyssal plain, slope, shelf D) shelf, slope, rise, abyssal plain E) slope, rise, shelf, abyssal plain
If you lost the smallest bone in your body,
A. you wouldn't be able to hear. B. you wouldn't be able to move your eyeballs as effectively. C. there would be no effect. D. the shape of your nose would be affected in minor ways.
Which of the following statements concerning the acid-catalyzed hydrolysis of esters is false?
A) High yields of the hydrolysis products are best achieved in the presence of one equivalent of water. B) High yields of the hydrolysis products are best achieved in the presence of a large excess of water. C) High yields of the hydrolysis products are best achieved by removing the water from the equilibrium mixture. D) All three statements are false.