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 ...

In this video, we explained the gas displacement method to measure the true density of materials. Also, we discussed the factors that should be considered when selecting the appropriate analysis gas ...

Powder is a collection of single solid particles, which in most cases may be considered a basic unit. Powder is typically comprised of solid particles, interparticle voids, as well as open and closed ...