7. a sample of iron has the dimensions of 2 cm x 3 cm x 2 cm.
if the mass of this rectangular-shaped object is 94 g, what is
the density of iron?

Name the intersection of plane bpq and plane cpq.

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next

What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.