News

You will need an indicator to do this experiment. You can make your own using the ... but it is a good model for the acid from an insect bite. Acids, bases, and neutral substances can all be compared ...
This fascinating chemical reaction demonstrates acid-base interactions and shows how membranes can be semi-permeable, allowing water to pass through and causing the egg to change size. See this ...
Is it an acid, base, or neutral? Make your own acid-base indicator from red cabbage, then test various household substances. Acids and bases are classes of materials that have different properties.
These questions were answered by way of several elegant experiments ... was based on multiples of three bases! Tsugita, A., & Fraenkel-Conrat, H. The amino acid composition and C-terminal sequence ...
Through this experiment, you'll learn to identify acids and bases in everyday substances by observing their interaction with a natural indicator.
A titration experiment can be carried out to accurately ... also be used to calculate an unknown concentration (of either the acid or alkali). When titrating, it is essential to measure things ...
Make an acid-base indicator. Dr Yan uses some very colourful science to find out what's acidic in his kitchen. Take 1/4 red cabbage. Finely slice the cabbage. Put all the chopped-up cabbage into a ...
New research suggests “microlightning” exchanges among water droplets in Earth’s early atmosphere may have sparked the ...
In further experiments ... to the amounts of bases mixed. Hence, the resulting products provided clues that the researchers could use to deduce potential codon–amino acid relationships.
The Miller-Urey experiment, as it is now known ... These included the amino acid glycine and uracil, a nucleotide base in RNA. “We discovered no new chemistry; we have actually reproduced ...