How does the space between atoms change as agas goes through prase changes to become a soild? how. do they different? use words to describe

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

Stage in which a typical star has completely stopped fusion

Stage in which a typical star has completely stopped fusion