Category Archives: Chemistry

Chemistry FGD Group'Chemistry' - MKTR FGD. By: LIANNE AMANNA … Continue reading →

Chemistry Project Period 6 By: Jason Hernandez … Continue reading →

New Study: Changes in Groundwater Chemistry Before an Earthquake By: jwaggsify … Continue reading →

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Chemistry Grocery Hauls: Vlog 9.24.14 Follow Me on Instagram: http://instagram.com/ourfarmhouselife Granola Bar Recipe:https://www.youtube.com/watch?v=ztZzocfnEbs. By: OurFarmhouseLife … Continue reading →

Chemistry Translator #12 Quantum numbers What quantum numbers are and how we communicate them in various manners during chemistry classes. Lastly an overview of the rules that we expect quantum numbers to be used to illustrate, Pauli's... By: Scott Milam … Continue reading →

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Researchers say chemical changes in groundwater may someday be used to predict quakes four to six months in advance. Christopher Intagliata reports. Today's early warning systems for earthquakes give you at most a few minutes to prepare for the hit. That's because today's systems rely on detecting the first early rumbles of an actual earthquake, before sending the alarm. Now researchers say that following the chemistry of groundwater could sound a long-term quake alarm. They tracked samples from an artesian well in Iceland for five years, and identified changes in the ratios of hydrogen isotopes and a spike in sodium levels, four to six months before two 5+ magnitude quakes. The chemical clues suggest mixing between groundwatersso the researchers deduce that rocks may be fracturing, linking up underground aquifers, before the quake. The results are in the journal Nature Geoscience. [Alasdair Skelton et al.: Changes in groundwater chemistry before two consecutive earthquakes in Iceland] Investigations like this one have been plodding along for 40 years, and some studieslike one following the deadly Kobe quake in 1995have found similar correlations. But study author Alasdair Skelton, a professor of geochemistry at Stockholm University, says the unpredictable study subject makes it tough to … Continue reading →

From now on, Chemistry is EASY. Find out how smart you can be when you feel encouraged! By: You Really Do Love Science! Chemistry Tutoring with Jen … Continue reading →

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