Calculate the mass in grams of 5.14*10^24 molecules of propane. The chemical formula for propane is C3H8.

Aluminum foil is often incorrectly termed tin foil. If the density of tin is 7.28g/cm³, what is the thickness of a piece of tin foil that measures 10.0cm by 10.0cm and has a mass of 1.091g?

Rank the following solutions from the highest [H3O+] (1) to the lowest [H3O+] (5). [H3O+] = 3.16 * 10-4 M [OH-] = 4.35 * 10-2 M pH = 1.05 pOH = 7.0 pOH = 4.0

What is the molarity of a solution that contains 0.25 moles of NaCl in 0.75L of solution?

How many grams of water (H2O) are produced if I burn 4 moles of octane (C8H18) in excess oxygen? 2C8H18 + 25O2  16CO2 + 18H2O

Volume of 0.150 M NaOH solution required to neutralize 25mL of a 0.055 M HCl solution? Equation of the reaction: NaOH (aq) + HCl (aq) - --> H2O (l) + NaCl (aq)

How can you simulate the radioactive half-life of an element?

What are the horizontal rows on the periodic table?

What is 19 hundred thousandths in scientific notation

There state of matter that keeps its shape and volume when it is placed in a container

Our body solution tests at a pH of about 6.8. This pH is: