In water, does the molecule lysergic acid diethylamide act as an acid, a base, neither or both?
A) acid
B) base
C) neither an acid or a base
D) both as an acid and as a base
Answer: B
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The larger the diameter of a telescope, the more light it will collect
a. True b. False Indicate whether the statement is true or false
Spherical Mirrors: A concave mirror having a focal length of magnitude 5.0 cm forms an image 4.0 cm behind the mirror. Where is the object for this image?
A. 2.2 cm in front of the mirror B. 2.2 cm behind the mirror C. 9.0 cm in front of the mirror D. 1.0 cm behind the mirror E. 20 cm behind the mirror
In general, fast reactions
a. are exothermic. b. are endothermic. c. have low activation energies. d. have high activation energies.
A 5.00-kg box slides 3.00 m across the floor before coming to rest. What is the coefficient of kinetic friction between the floor and the box if the box had an initial speed of 3.00 m/s?
A) 1.50 B) 0.587 C) 0.153 D) 0.306 E) 0.200