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You can measure the rate of a chemical reaction by examining the ratio between the amount of substance or products formed and the time it took to produce them. Products can either be measured by mass per unit time or by volume per unit time.Measuring reaction rates is crucial in both analytic and synthetic aspects of chemistry. For instance, plastics...
The short answer to this question is that while hydrogen peroxide is a type of bleach, not all bleach products have hydrogen peroxide as the active ingredient.For example, the bleach you use for laundry can be classified into two categories: a chlorine-based bleach and an oxygen-based (peroxide-based) bleach. Both remove stains and kill microorganisms through oxidation-reduction reactions.However, oxygen-based bleach products...
Many chemicals found in chemistry laboratories or the workplace can be dangerous. These include poisonous, flammable, explosive, and corrosive chemicals, as we’ll explain in this article.Acids and bases are particularly corrosive. They can cause skin burns and damage to the mucous membrane. Continue reading to understand how to safely handle corrosive chemicals, such as by wearing appropriate PPE and being...
In chemistry, a salt is an ionic compound that’s typically in crystalline solid form when dry. As salts are often the product of a neutralisation reaction between an acid and a base, they generally have a neutral pH.The most common type of salt on Earth exists as a dissolved substance in our oceans. Salts, particularly table salt or sodium chloride,...
Many chemicals in laboratories, workplaces, factories, and even your home are flammable. That means they can easily be ignited because of their volatility and composition, and they require careful handling.Some common flammable chemicals include alcohols, acetone, turpentine, kerosene, LPG, butane, propane, sulphur, and phosphorus. These are dangerous chemicals that can cause fires, damaging properties and causing injuries.Flammable chemicals must be...
Hydrogen peroxide (H2O2) is everywhere. It’s in your bleach, your hair dye, your cleaning cabinet and even your teeth whiteners. What you may not know is that this chemical is decomposing all the time. This happens very slowly but, with the magic of science, we can speed it up. The Science Behind Hydrogen Peroxide Decomposition When it comes to determining exactly why...
As the name implies, medical grade water is purified water used in the medical field. It is primarily used to sterilise medical tools and other objects to kill bacteria, viruses, fungi, spores, and other microscopic organisms that they may have come in contact with.Continue reading to find out more about what medical grade water is, how it’s purified, and its...
A mixture is a combination of two or more substances that do not chemically react. As we explain later on, mixtures can either be heterogeneous or homogeneous.Mixtures are defined based on how the constituents are combined. They could be a combination of various states of matter, for example, air dissolved in water, or a combination of solids such as the...
Many over-the-counter ear drops contain hydrogen peroxide because it effectively dissolves ear wax. Why does this happen? Put simply, when the oxygen in the hydrogen peroxide makes contact with the ear wax, it creates bubbles that cause the wax to soften and break down.Continue reading to learn more about this common chemical and its role in ear wax removal. You’ll...
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