Choose the three most important pieces of personal protective equipment that you must wear during every laboratory. a. cryogenic resistant
b. gloves
c. chemical splash shield
d. gloves
e. shoes that cover the whole foot
e. appropriate attire (long pants and a shirt with sleeves) eye protection

Evaluate this exponential expression,8. (2 + 3)2 – 42

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present