If Thomson had determined the mass-to-charge ratio of the electron to be –3.35 x 10–12 kg/C, and Millikan had determined the charge of the electron to be –3.20 x 10–19 C, what would the mass of the electron be in grams? Give your answer to 3 significant figures in scientific notation

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

4. absorption has the highest risk of overdose due to increased potency. a. rectal b. oral c. transdermal d. intranasal

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.