Freechemistryonline Blog – Page 2 – Update on activities in areas relating to chemistry and science, including air, water, soil, meterials, metals, etc.

The Chemistry of Alcohol: Why This Molecule Changed the World

Few chemicals have influenced human civilization as profoundly as alcohol. Long before modern science existed, people were brewing alcoholic beverages, preserving foods, creating medicines, and using fermentation without fully understanding the chemistry behind these processes. Today, alcohol remains one of the most important and versatile chemical compounds in everyday life, appearing in everything from beverages and fuels to… Read More »

How Isopropanol Works: The Science behind Rubbing Alcohol

Isopropanol or rubbing alcohol is one of the most common chemicals found in homes, hospitals, laboratories, and workplaces around the world. Almost everyone has used rubbing alcohol at some point in their life. You may have seen it in a first-aid kit, used it to clean a smartphone screen, watched a nurse wipe your skin before an injection,… Read More »

The Chemistry of Vinegar: Why This Sour Liquid Does So Much

The Chemistry of Vinegar explains why this simple sour liquid can do so many surprising things in everyday life. Vinegar is much more than a salad dressing ingredient sitting quietly in kitchen cabinets. It can preserve food, brighten flavors, react dramatically with baking soda, dissolve mineral deposits, and even help with household cleaning. Behind its sharp smell and… Read More »

Cocoa Fermentation Explains How Chocolate Gets Its Flavor

Cocoa fermentation is the hidden process that gives chocolate its rich flavor, deep aroma, and smooth taste. Most people imagine chocolate beginning in factories filled with machines and wrappers, but the real journey starts on tropical cocoa farms where freshly harvested cocoa beans undergo a remarkable natural transformation. Surprisingly, raw cocoa beans do not naturally taste like chocolate… Read More »

Chemistry of Fermentation Explains How Beer, Kimchi, Yoghurts, Others are Made

The chemistry of fermentation is one of the most fascinating processes in food science because it explains how tiny microorganisms can completely transform the nature, flavor, texture, and preservation of food. From ancient civilizations to modern kitchens, fermentation has been used to create some of the world’s most loved foods and drinks. Fermentation: The Ancient Science Living in… Read More »

The Chemistry of Salt: How It Makes Food Taste Better

The Chemistry of Salt is one of the main reasons food tastes delicious instead of dull and lifeless. A simple pinch of salt can completely transform a meal, making flavors stronger, richer, sweeter, and more balanced. Whether it is sprinkled on fries, mixed into soup, or added to chocolate desserts, salt has a remarkable ability to improve the… Read More »

Why Dough Rises in Bread Baking, Science Explains

If you are new to bread baking, then you might be asking, “Why does dough rise? You may be amazed seeing how dough rises and think it is magic. No, it is not magic, the appearance can be explained by science and that is what we will do in plain language in this post for everyone to understand.… Read More »

Isopropanol Hazards: How to Ensure Safety Handling the Chemical

This post provides detailed information about Isopropanol, including its hazards and how to safely store and dispose of it, as well as it properties and uses. What is Isopropanol? Isopropanol commonly known as isopropyl alcohol, is a liquid with a very nice smell. It has the ability to dissolve in water and also in other hydrocarbon liquids. It… Read More »

Fast Foods with Highest Phthalates Levels in US – New Report

A new report by the Watchdog Consumer Reports has shown the fast foods and the restaurants with the highest levels of phthalates in the U.S. What are Phthalates? Phthalates are a group of chemicals used in the manufacture of plastics. They are often called plasticizers and they make plastics more durable. Some phthalates are used as solvent… Read More »

Easier Way to Capture Greenhouse Gas, CO2 – New Study

A new, easier, and cheaper way of capturing the greenhouse gas CO2 has been discovered by researchers at ETH Zurich led by Maria Lukatskaya, Professor of Electrochemical Energy Systems. The researchers employed the knowledge of the fact that in aqueous acidic solution CO2 (carbon dioxide or carbon (IV) oxide) remains unchanged while in aqueous alkaline solution it undergoes… Read More »