Explain the color changes of bromothymol blue during sn1 solvolysis of tert-butyl bromide, upon addition of koh (describe how the color changes and why).

Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?