Which of the following represents a stable octet? A 1s2 2s2 2p6 3s2 3p6 4s2

B [He] 2s2 2p3

C 1s2 2s2 2p1

D [Ne] 3s2 3p6

At what temperature would the volume of a gas be 0.550 L if it had a volume of 0.432 L at - 20.0 o C?

How do you get a liquid to a gas?

The pressure on 40ml of a gas is increased from 760mm to 800mm. find the new volumes at the same temperature.

Which situation is an example of heat transfer by radiation? The sun's energy is transferred through the vacuum of space to Earth. Hot soup rises to the top of the bowl, while cooler soup sinks to the bottom.

The rate of a chemical reaction can be measured as the rate of appearance of any of the products or as the rate of disappearance of any of the reactants. These relative rates of reaction are related through the stoichiometry of the overall reaction.

A student finds a container of gases in the laboratory classroom with a total pressure reading of 655 mmHg. The label on the container describes the contents as 5.00 g of carbon dioxide gas and 3.75 g of helium gas.

A. Which statement accurately describes part of the dissolving process of a polar solute in water? B. Solute molecules repel water molecules. C. Water molecules surround solute molecules. D.

Energy can make matter a. move b. changec. work d. all of the above

Ionic character of lih

The button batteries in small devices like watches are commonly composed of silver-zinc or mercury-zinc batteries.