What are the general characteristics of substances chemists use to seperate mixtures into individual substances?

Which sequence describes the result of increasing the number of gas particles in a container? A.) fewer collisions - - > lower collision force - - > lower pressure B.) more collisions - - > lower collision force - - > lower pressure. C.

Why is bromine a liquid at room temperature?

He noble gases include helium, neon, argon, krypton, xenon, and radon. what property do these elements share? a. they readily form compounds with other elements. b. they were discovered in ancient times. c.

the water in a tea pot is heated on a stove top. The temperature of the water increases. Is this an endothermic or exothermic process?

What is the most likely oxidation state of sodium

How do you balance __Mg + __HCl - - > __MgCl2 + ___ H2

How many grams of methane, CH4 are produced from the complete reaction of 5.15 moles of carbon monoxide, CO

If you change the state of something, say, liquid to solid, is it a physical or chemical change?

What type of calorimeter would be best to use if you wanted to measure the heat that is released when gasoline is burned?

Tina has a sample of gaseous water at a temperature of 400 C and a pressure of 4 atm. If Tina increases the pressure to 200 atm, will the gaseous water liquefy? Why or why not?