Chemistry, 05.05.2020 07:49 cia196785920
Four liquids were poured on top of each other in a glass, and the liquids separated into four different layers.
Which liquid had the highest density?
A.
the second layer from the bottom of the glass
B.
the layer at the top of the glass
C.
the layer at the bottom of the glass
D.
the third layer from the bottom of the glass
Answers: 3
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Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°
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