9. What is the density of brass, a copper-zinc alloy, if a block displacing 40.8 cm3 weighs 324 grams?

Explanation:

The density of a substance can be found by using the formula

From the question

mass = 324 g

volume = 40.8 cm³

We have

We have the final answer as

Hope this helps you

the correct name for the n3 ion is azide. azide is a polyatomic anion with a -1 charge and is written as n3 -1. it consists of three nitrogen atoms bonded together. hope i . let me know if you need anything else.

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be