Which is not an example of a vestigial structure

How many molds of atoms are there in each compound? 1. Al2S3 2. NaNO3 3. Ba (OH) 2

After 184.5 years, onky 0.625 grams of an original 20 gram sample of a radioactive isotope is left. Find the half life

Describe what you should do to recover only the water from a sample of muddy water.

What is the purpose of the scale on a map?

True or false earths surface is shaped mainly by water running downhill

5) Solid lithium metal is added to an aqueous solution of magnesium chloride forming lithium chloride solution and solid magnesium a. If you begin the reaction with 15.0 g of lithium and 25.

A compound is found to contain 47 percent potassium 14.5 percent carbon and 38.5 percent oxygen by the way the molar mass of the compound is 166.2 g what is the molecular formula

How do you go from moles to atoms

Write conversion factors (as ratios) for the number of: (a) kilometers in 1 mile (b) liters in 1 cubic foot (c) grams in 1 ounce

Why sodium chloride is a neutral compound even though it is made up of ions that have positive and negative charges?