Methyl salicylate is an ester commonly called
a. glycerine.
b. oil of wintergreen.
c. heroin.
d. chloroform.
e. methamphetamine.
b
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While the gondola is rising at a speed of 5.0 m/s, a passenger in a balloon-supported gondola throws a small ball up at a speed of 2.0 m/s relative to his body. A person who measures the ball's velocity at the instant of release will find that the ball's velocity relative to the ground at that instant is
a. 2.0 m/s, up. b. 2.8 m/s, down. c. 3.0 m/s, up. d. 5.0 m/s, up. e. 7.0 m/s, up.
A certain chemical reaction has an activation energy of 
What temperature must the reaction be at for the reaction rate to be double the rate at 20
A. 290 K B. 310 K C. 330 K D. 350 K E. 360 K
What advantage might an electron microscope have over a light microscope?
What will be an ideal response?
Which domain or domains are made up of organisms without nuclei?
a. archaea only b. bacteria only c. eukarya d. both archaea and bacteria e. both bacteria and eukarya