Chemistry

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...

Kangen Water Water Ionizer: Scientific Analysis and Practical Considerations The Kangen Water Water Ionizer claims to produce alkaline water through electrolysis but scientific scrutiny reveals fundamental chemical inaccuracies and practical...

First Year Grad Student’s First Attempt at Setting Up a Schlenk Line A first-year graduate student’s initial setup of a Schlenk line often appears complex and somewhat untidy, but it...

Understanding Dry Cracked Skin on Hands and Knuckles Dry cracked skin on hands and knuckles arises mainly due to frequent hand washing, glove use, cold weather, and exposure to drying...