Which is not a compound?

A. carbon dioxide gas

B. oxygen gas

C. water

D. silicon dioxide

In the laboratory a student combines 44.9 mL of a 0.159 M barium nitrate solution with 16.2 mL of a 0.595 M barium chloride solution. What is the final concentration of barium cation?

What happens to the volume a liquid when it is poured from a small container into a large container

Match the three phases of matter. 1. fixed volume; variable shape gas 2. fixed volume; fixed shape liquid 3. variable volume; variable shape solid

Why is butanone achiral?

Our Earth cycles through day and night regularly. This cycle allows us to have a way to keep track of time and schedule our daily lives. Most of our activities and interactions occur during the day and most of our sleeping occurs at night.

You place a book on your desk, and then you begin to lift one edge of the desk. You make the following observations: At first the book does not move. When you lift the desk edge higher, the book begins to slide slowly.

Oxidation-reduction is often the most confusing and abstract part of chemistry for first-time chemistry students. Is it really worth the trouble? Think about the various chemical reactions that impact your life and society daily.

at 25c, 13.0 mg of co dissolves in 500g of water when the partial pressure of co is 0.968 bar. what is the henry's law constant for co at this temperature

In which of the following substances can a lipid NOT dissolve?

Balance these scientific equations: MgO + HB - > MgBr2 + H2O N2 + O2 - > N2O5 C2H4 + O2 - > CO2 + H2O Fe + HCI - > FeCl2 + H2