Gas Laws – The combined gas law

Gas Laws - The combined gas law

The physical behaviour of a gas is described using four main variables : Temperature Pressure Volume Amount (mol number) The combined gas law By combining Boyle’s, Charles’s and Gay Lussac’s Laws, the following equation is derived: This is the combined gas law that give the relation between the pressure, the temperature and the volume that […]

Lab Safety Rules

A Man and a Woman Doing an Experiment

Scientific investigations use a variety of methods tools and techniques to produce new knowledge. But performing lab experiments can be dangerous if proper safety precautions are not followed. Let’s take a look at some of the most basic rules that should be followed in any science lab. Dress Code Safety goggles must be worn whenever […]

How to adapt easily into college life ?

People Wearing Backpacks

Starting college can be challenging. You’re in a strange new place full of strange new people. It can be hard to adjust. By following the advices presented here, you will be able to adapt easily into college life. Stick to your studies College can be a fun time, with lots of new experiences, but it’s […]

Robot Ethics – Robots Shouldn’t Steal Your Job or Your Girl

Star Wars R2-d2

The future of robots and how they will affect society We’ve all been told that robots will someday be able to do everything that humans can, from flipping burgers to playing football. But will they also take our jobs and replace us as lovers? This has become a hot topic in pop culture and even […]

Is it safe to boil water inside the microwave oven ?

Is it safe to boil water inside the microwave oven ?

How does the microwave oven work? Microwaving food is a quick way to heat it up. The microwave works by using electromagnetic radiations, which are waves of electrical and magnetic energy moving together to heat food. These microwaves are reflected within the metal interior of the oven where they are absorbed by food. They can […]

Halogen – Elements, Properties and uses

Halogen - Elements, Properties and uses

What are halogen atoms ? Halogen elements are the elements of group VII (column 17) in the periodic table. There are 5 halogens (Fluorine, Chlorine, Bromine, Iodine, and Astatine). The sixth element which is Tennessine atom might have some properties in common with the other elements. Fluorine 9F Chlorine 17Cl Bromine 35Br Iodine 53I Astatine […]

Do plants feel pain ?

green fern plant in close up photography

Plants don’t feel pain the same way humans do. They have some sort of nervous system that is sensitive enough to respond to chemical changes caused by pricking or cutting. But that doesn’t mean they don’t feel something. Some have even been known to express feelings of distress when their roots are being disturbed. Some […]

Noble Gases

Noble gases

The noble gases are the elements of group VIII (Column 18) in the periodic table: Helium 2He Neon 10Ne Argon 18Ar Krypton 36Kr Xenon 54Xe Radon 86Rn These elements have a full valence shell of electrons, Helium has two valence electrons (1s2), the other noble gases each have eight valence electrons that’s why all the […]