what is the mass of carbon on the weighing dish? assume that the dish has a mass of exactly 1.0g.
a) 4.52g
b) 4.55g
c) 4.57g
d) 4.72g

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.

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

Which sample at stp has the same number of atoms as 18 liters of ne at stp