Chemistry

What Is a Molecule? Defining the Term A molecule is a group of two or more atoms held together exclusively by covalent bonds. This definition distinguishes molecules from other chemical...

Quickly Removing Chlorine from Water To quickly remove chlorine from water, first identify if the water contains chlorine or chloramine. Chlorine dissipates rapidly via boiling, aeration, or sunlight exposure, while...

Distillation of Ethanol Distillation of ethanol separates it from water and other impurities based on differences in volatility and vapor pressure. While ethanol boils at approximately 78°C, water boils at...

Oxalic Acid for Rust Removal Oxalic acid effectively removes rust by dissolving iron oxide and transforming it into a soluble compound that can be washed away. Products like Barkeeper’s Friend...