A gas has a pressure of 120 kpa, a temperature of 400 k and a volume of 50 milliliters. what volume will the gas have at a pressure of 60 kpa and a temperature of 200 kpa?

An atom of gold with 79 protons 79 electrons and 118 neutrons would have a mass number of

Propose a distinguishing test between oxygen and carbon (iv) oxide

Objects that are flexible

64. Convert 156 kPa to mm Hg.

What can be known about all four polymers, despite their differences? They come from living things. They share ionic carbon bonds. They are at least 100 monomers long. They are made of repeating subunits.

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?