Think of a cake. When you put it in the oven, it starts off at a particular volume and then, an hour later, it has risen to perhaps double its size. It is obvious what has happened – the air bubbles ...

HVACR is harder if you don’t understand the concepts behind the ideal gas law. First, let’s define some words. In HVACR we are constantly dealing with concepts contained in the ideal gas law which ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...