Finding the composition of unknown samples Calculating amounts of substances Calculating yields - OCR 21st Century Measuring the amounts of chemicals in solutions Sample exam questions - chemical ...

People all over the world largely agree on what the colour blue looks like or what the shape of a ball feels like. But when it comes to describing odours, opinions often differ. This is because, ...

Researchers at Southwest Research Institute (SwRI) and the University of Michigan (U-M) have published a new study showing an ...

When using chemical formula it is possible to calculate the percentage composition of the chemical. This can be useful when extracting metals from ores or when making fertilisers for specific plants.

Biochemistry explores chemical processes related to living organisms. It is a laboratory-based science combining biology and chemistry. Biochemists study the structure, composition, and chemical ...

This includes the study of the chemical composition and physical properties of minerals, as well as mineral formation and geographic distribution, with particular emphasis on minerals with ...

Scientists hoping to identify fossil evidence of ancient Martian microbial life have now found a way to test their hypothesis ... which can analyze the chemical composition of a sample in detail ...