How did we deal with acid rain, for example, or the hole in the ozone layer? And are there lessons for tackling the bigger issue of global warming? It's the 1980s, and fish are disappearing in ...
For example, acid rain dissolves limestone to form karst, a type of terrain filled with fissures, underground streams, and caves like the cenotes of Mexico's Yucatán Peninsula. Back up on the ...
It turns out it's not just gratitude that makes rain smell so appealing after a long period of dry weather. There's actually some chemistry involved too. Bacteria, plants and even lightning can ...
A nucleic acid is a long molecule made up of smaller molecules called nucleotides. Nucleic acids were discovered in 1868, when twenty-four-year-old Swiss physician Friedrich Miescher isolated a ...
They did it with the pesticide DDT, lead paint and the power plant emissions that were causing acid rain, among many others. In each of those cases, growing public outcry eventually led to policy ...
(A) This is the structure of stearic acid, an 18-carbon saturated fatty acid. The normal numbering system, starting with the carboxylic acid, is shown in blue. The carbons and oxygens of the ...
You’ll be glad to own the best rain boots as soon as the wet season rolls around. Rain boots are designed to protect your feet and legs from downpours, flooding and mud, whether you’re ...
Learn more› By Eve O'Neill Unlined, unpretentious, and fully waterproof—few pieces of footwear reward joyful, mud-stomping impulses as much as a pair of great rain boots. Over the past six ...
But that didn’t stop Laguna Beach native, world-renowned skimboarder, and stylish (mostly soft-top) surfer, Blair Conklin, from trying an acid drop at China Walls. And after a few tries ...
An acid and alkali will neutralise each other and produce a salt and water. This is called a neutralisation reaction. The name of the salt produced can be worked out from the names of the acid and ...
A solution of 0.8 mol/dm 3 hydrochloric acid has a pH of 0.1. Predict its pH when it is diluted to 0.08 mol/dm 3. The hydrogen ion concentration decreases by a factor of 10, so the pH increases by ...