Astudent designs an experiment where she will add varying amounts of sugar to a chemical reaction and then measure the mass of the chemicals produced during each reaction. the independent variable in this experiment is

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

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver