Palladium forms a face-centered cubic lattice, and a palladium atom is 274 pm in diameter. Calculate the density of palladium. Answer must be in g/cm^3

Use examples from the article to explain one positive and one negative effect that chemistry has had on society

Chemical kinetics what was the rate of reaction in trial 3? choose the closest answer.

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