Equations on chemistry?

Naturally occurring bromine molecules, br2 have masses of 158, 160, and 162. they occur in the relative abundances 25.69%, 49.99%, and 24.31% respectively.

A quantity of gas has a volume of 425.0 mL when confined under a pressure of 720.5 mm Hg. What will be the new volume of the gas if the pressure is reduced to 200.0 mm Hg at constant pressure?

What type of chemical reaction is 2h202 (1) to 2h20 (1) + 02 (g)

Match the term with the definition. Match Term Definition Atom A) a tiny piece of matter Element B) the basic unit of an element Particle C) a unique form of matter in which it can exist Phase D) a substance that cannot be broken down into a simpler

To reduce the amount of CO2 that escapes from a bottle of carbonated beverage when you open the cap, you should Shake the bottle vigorously before opening the cap. Climb to the top of a tall mountain (reduced air pressure) before opening the cap.

A metal block has a mass of 122 grams and measures 2cm x 2cm x 4cm. What is the density of the block?

What are valency and radicals

Tell me some bad effects of Ethanol

How many moles of carbon dioxide are released daily by a humming birds respiration?

If a scientist creates a new rock-like substance in a laboratory, why wouldn't this type of material be classified as a true mineral?