Asample of gas occurs 9.0ml at a pressure of 500mmhg. a new volume of the same sample is at 750mmhg. use two significant figures in answer on volume.

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

Which of these conditions most likely produces an unstable isotope?

Which is an example of a highly unstable isotope that is often used in fission reactions?