Need help ASAP... (Question from 'Observing the Bunsen Burner'). "The match head is supposed to stay unlit. What does this tell you about the temperature at the top of the burner , just inside the inner blue cone?".

Asample of neon occupies a volume of 375 ml at stp. what will be the volume of neon if the pressure is reduced to 90.0 kpa? a. 422 ml b. 422 l c. 333 ml d. 333 l

Which best describes how johannes kepler developed his laws of planetary motion

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