Ben will be conducting an experiment in which he reacts metals with different concentrations of acid in test tubes.
what should ben wear to best protect himself during the experiment?
a. heat-proof gloves, a lab coat, and close-toed shoes
b. a lab coat, chemical gloves, and close-toed shoes
c. goggles, a lab coat, and heat-proof gloves
d. goggles, a lab coat, chemical gloves, and close-toed shoes

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

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°