You add 8.9 g of iron to 23.40 mL of water and observe that the volume of iron and water together is 24.53 mL. Calculate the density of iron. Express your answer to two significant figures with the appropriate units.

What charge does the nucleus have, what charge does a proton have, what charge does a neutron have?

How many atoms are in 4Mg (OH) 2

Why did the Tacoma Narrows Bridge Collapses

A population includes all the different species of organisms in a specific place at a specific time true false

Ionic compounds can be made from a metallic ion and a nonmetallic ion. Metallic ions (M) are positive (cations). Nonmetallic ions (N) are negative (anions). x stands for the number of metallic ions and y stands for the number of nonmetallic ions.

How many minutes will be required to deposit 1.00 g of chromium metal from an aqueous?

Does a gas discharge tube filled with boron emit the same wavelength

What is HNO3 it's formula

Which indicator would be the best to use for a titration between 0.10 m hcooh with 0.10 m naoh? you will probably need to consult the appropriate table in the book. 1. methyl red, color change at ph 3-5 2.

How are elements group into families