When Mendeleev first published the original periodic table in 1869, it contained only 63 elements — about half as many as there are today. His table had gaps to leave room for elements that had not been yet discovered, and Mendeleevused the position of these gaps to predict the properties ...
energy. A 90° deviation gives almost complete loss of binding energy, due to drastic reduction of atomic orbital overlap. Because hydrogen bonds have strict distance and angle requirements, they are not very forgiving of design shortcomings. With this type of ...
If you do not need to dissolve your shock, count how many containers of shock you need. Add one bag at a time until you reach your calculated breakpoint. At this point, make sure your pool pump and pool filter are running at full speed. This will help mix in the shock more effective...
Amines are classified as primary, secondary, tertiary or quaternary based on how many TOTAL carbon atoms are attached to the nitrogen.Thisvideogoes into detail about a trick I use to identify the degree of substitution. Primary, secondary and tertiary amines are neutral. Quaternary amines have a ...