How do you find the mass of a tissue box? NOT the volume. I need this for an assignment. please help!

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.

Avariable that is not being directly tested during an experiment should be

All motion is caused by force? true or false