2. why might rare earth magnets be so strong? cite specific details from the lesson
about the strength of magnets and magnetic domains to support your 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

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?