What minimum frequency of light is required to ionize potassium?The energy required to ionize potassium is 419kJ/mol? Chemistry The photoelectric work function of a metal is the minimum energy needed to eject an electron by irradiating the metal with light. For calcium, this work function equals 4.34 x 10-19 J.
This video shows how to remove black mastic or carpet glue of concrete floor using FranMar's Bean-e-doo mastic remover. This is an easy and safe way to remove black mastic without toxic fumes. for more information visit www.sealgreen.com.1  Howto & Style. 2  Standard YouTube License.his video shows how to remove black mastic or carpet glue of concrete floor using FranMar's Bean-e-doo mastic remover. This is an easy and safe way to remove black mastic without toxic fumes. for more information visit www.sealgreen.com. 1  Howto & Style. 2  Standard YouTube License.
If you just removed carpet and now you need to remove the carpet glue from a concrete floor, here are some tips. The methods below are easy ways for preparing your concrete floors for laminate tile or hardwood. You can try the environmentally friendly products or use the proven but toxic chemical glue strippers.f you just removed carpet and now you need to remove the carpet glue from a concrete floor, here are some tips. The methods below are easy ways for preparing your concrete floors for laminate tile or hardwood. You can try the environmentally friendly products or use the proven but toxic chemical glue strippers.