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Electrolysis is a process that uses an electrical current to separate ionic compounds into their constituent elements. When a direct current is passed through an ionic substance, the ions migrate to the oppositely charged electrode and drive a non-spontaneous oxidation-reduction
Polyethylene glycol (PEG) is a hydrophilic synthetic compound with a wide range of commercial applications. The chemical’s ability to absorb water means it’s often used in cosmetic products, where it acts as a cleansing agent, skin conditioner, and emulsifier. PEG
As part of your GCSE chemistry studies, you’ll need to have a good understanding of why temperature changes occur during a chemical reaction. After all, a rise or fall in temperature is one of the important and measurable indicators of
As part of your GCSE chemistry studies, you’ll need to have a good understanding of neutralisation and how it works. One of the most effective ways to achieve this is to conduct your own neutralisation reaction – after all, there’s
Nitric acid has a wide range of industrial applications, although it’s primarily used in the manufacture of fertilisers as a precursor to ammonium nitrate. In fact, fertiliser production accounts for around 80% of the total global use of nitric acid.
Formaldehyde can be found in a variety of common household items including certain types of furniture, hygiene and cosmetic products, gas ovens, candles, and air fresheners. It’s also naturally present in fruits and vegetables such as bananas, apples, and carrots.
Whether you’re revising for your GCSE chemistry exam or writing up an experiment, you’ll need to have a good understanding of some key chemistry terms. But if you don’t know your hydrocarbons from your valence electrons, don’t worry – this
The functions of the human brain, including emotions, are regulated by neurotransmitters that pass chemical messages around the body. Depression, for example, has been linked to a chemical imbalance in mood-regulating neurotransmitters like serotonin and dopamine. This imbalance may be
Alkanes are saturated hydrocarbons. This means that each carbon atom is single-bonded to another carbon atom. Alkanes exist in straight chain, branched (isomeric), and cyclic forms. You can use a general formula to determine the specific formulas based on the
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