What is the meaning of beaker?

The arrangement of particles is most ordered in a sample of

In one or two grammatically correct sentences, write a definition for the term molecule geometry

What would be the original temperature of a gas that has a volume of 2.0 l and a pressure of 2.0 atm and an unknown temperature that the volume increased to 3.5 l in its pressure decreased to 1.0 atm if the final temperature is measured to be 11°c