A 40 liter cylinder of helium at a pressure of 100 atm and a temperature of 26°C is used to fill a balloon at 1.00 atm and 40°C. What is the volume of the balloon?

Protecting endangered animals is a difficult process because

What is subshell notation

What function is most important the heart or the brain

What does it mean for a solution to be in equalibrium

What are two characteristics that distinguish compounds from mixtures

What defines a material as being a mixture?

What do igneous rocks form from? (20pts!)

A gas at STP has a volume of 1.0 liter. If the pressure is doubled and the temperature remains constant, the new volume of the gas will be ... ?

Combustion analysis of toluene, a common organic solvent, gives 8.20 mg of co2 and 1.92 mg of h2o. if the compound contains only carbon and hydrogen, what is its empirical formula?

Why does the moon have phases? What are the four main phases of the moon? How long does it take to change from one to another?