Bubbling hydrogen sulfide gas through manganese (II) chloride dissolved in water results in the formation of the precipitate manganese (II) sulfide and hydrochloric acid. Write the balanced chemical equation for this reaction. (Remember to include the state of matter for each substance.)

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

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

An observation that requires measurement is called quantitative observable or qualitative