How would you classify a solution if [oh-] = 4.2 x 10-8 m?

For the following dehydrohalogenation (e2) reaction, draw the zaitsev product(s) resulting from elimination involving c3–c4 (i.e., the carbon atoms depicted with stereobonds). show the product stereochemistry clearly. if there is more than one organic product, both products may be drawn in the same box. ignore elimination involving c3 or c4 and any carbon atom other than c4 or c3.

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Which substance has non polar covalent bonds