C 6 H 6 +Br 2 C 6 H 5 Br+HBr
in this reaction when 30.0 What is the theoretical yield of C 6 H 5 Br of C 6 H 6 reacts with 65.0 g or 8r 2 ?

b. examine and describe cells

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

there are two significant figures.

level 4 to level 2 : ))