water

In the captivating realm of electrochemistry, two fundamental processes reign supreme: the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER). These reactions play pivotal roles in various electrochemical devices, including fuel cells, metal-air batteries, and water electrolyzers. While both ORR and OER involve the exchange of electrons between oxygen and an electrode, they differ significantly in their nature, mechanisms, and applications. The Oxygen Reduction Reaction: A Breath of Fresh Air...

In the realm of chemistry, the terms “hygroscopic” and “deliquescent” are often used interchangeably, leading to confusion among those seeking to understand their distinct meanings. While both properties involve the interaction of substances with water vapor, they differ in the extent of the interaction and the resulting outcomes. Hygroscopic Materials: Absorbing Moisture from the Air Hygroscopic substances are materials that readily attract and absorb water molecules from the surrounding environment, including the air....

Potassium cyanide (KCN) is a salt formed by the reaction of a strong base, potassium hydroxide (KOH), with a weak acid, hydrocyanic acid (HCN). As a result, KCN is considered a weak base. In aqueous solutions, KCN dissociates into potassium ions (K+) and cyanide ions (CN-). The cyanide ion is a weak base and can accept protons (H+) from water to form hydroxide ions (OH-). This increases the pH of the solution, making it slightly alkaline....