6. evaluate this dimensional analysis setup. a paperclip is 3.2 cm long. how many paperclips would fit in the length of a
football field (100 yards) if 1 inch = 2.54 cm? be sure to show all steps in the conversion. (ref: 40-46)
7. what is the relationship between accuracy and precision? use at least two complete content related sentences.
(ref: 47-48).
8. a vessel contains 30 ml of water. a sample of 5.0 g of copper metal is dropped into this vessel, raising the level of
water in it to 40 ml. what is the density of the copper sample? show all steps leading to the final answer. (ref: 36-
38)
9. distinguish between homogeneous and heterogeneous mixtures. give an example of each one. include at least
four complete content related sentences. (ref 80-82)
10. two different compounds are formed by the elements nitrogen and oxygen. the first compound, compound p1,
contains 64.17% by mass nitrogen and 35.73% by mass oxygen. the second compound, compound p2, contains 47.23%
by mass nitrogen and 52.79% by mass oxygen. what is the ratio of nitrogen to a fixed mass of oxygen for the two
compounds 2 show all stens and worleading to your finalansaver (ref. 87-991
=