Chemical Measurements: Amount of Substance in...

This episode details the key ingredients in fertilisers: nitrogen, phosphorus, and potassium. It outlines the chemical production of nitrogen-based fertilisers, specifically ammonium nitrate, highlighting its rich nitrogen content due to its dual sources. We explain that phosphat ...  Show more

In this episode, we look at plants and nitrogen.Plants require nitrogen to produce proteins necessary for growth. While the atmosphere is full of nitrogen gas, plants cannot directly utilise this form. Instead, they absorb soluble nitrates from the soil. Crop harvesting depletes ...  Show more

This episode reviews the topic of human gas exchange including: The process of breathing, the role of the alveoli in gas exchange and the effects of smoking on the respiratory system. This episode is suitable for all examination boards but more specifically geared to IGCSE Edexce ...  Show more

In this podcast, we'll cover acids and bases, including their definitions, strength, pH scale, indicators, reactions, and titrations. By the end of this podcast, you'll be well-prepared for the chemistry section of the MCAT. Tune in for an engaging and informative disc ...

Join Sze, a GP, as he goes through how to decode arterial blood gas results. For visual aid, subscribe to our GEMS and find our "Decoding Arterial Blood Gas Gem". 

Name a famous chemist. Mm-hmm, you can't can you? Didn't think so. If you want to make a living cooking meth, mixing hair gel or testing tainted candy, you've got some learning to do. But first learn a little about chemistry in Chinese in this podcast. Episode link ...