Química 1. Concentration. Gas Laws. Matter. TRS-80 PC-2 (and Sharp PC-1500) pocket computer - PC2 Chemistry Math software. PC-2 Chemistry Math: © 1982 Tandy Corporation. All rights reserved. The Chemistry Math™ package is a tool for students who are familiar with the fundamentals of chemistry. The first eight programs perform basic chemistry calculations. The last two programs are handy references; one converts English units of measure to metric units, one is a periodic table of the elements. "Chemistry Math" consists of: WTWTVOL - Solves weight-weight and weight-volume problems. EQUILIB - Calculates acid equilibria. The PC-2 displays the results of its calculations to its full available accuracy - up to 10 digits.
Air and weather. Water and weather. Explore the exciting world of science! Libro_de_qumica_general.pdf. We Need to Talk About Kelvin: What everyday things tell us about the universe - Marcus Chown. Pollution. Francisco Martínez Navarro. Five myths about the chemicals you breathe, eat and drink. All too often the use of the word “chemicals” in the news, in advertising and in common usage has the implication that they are bad. You never hear about chemicals that fight infections, help crops grow or lubricate engines. That is because the chemicals doing that job are called antibiotics, fertilisers and engine oil, respectively. As a result of the emotive language often used in conjunction with “chemicals”, a series of myths have emerged.
Myths that Sense about Science and the Royal Society of Chemistry are debunking with the publication of Making Sense of Chemical Stories. Here are five of the worst offenders. 1. Despite the many products that claim otherwise, using the term “chemical-free” is plain nonsense. Compound Interest/Sense About Science 2. So we have established that there is no way to lead a chemical-free existence.
Nope. Granted there are many documented cases of man-made chemicals that have been banned due to health concerns. 3. 4. 5. There is no conspiracy.
Measuring and conversions. Classifying Matter-2-1/Physical Science. Chemistry Lesson - 3 - Classifying Matter, Again! Chemistry Lesson - 4 - Pure Substances. Chemistry Lesson - 5 - Let's Mix It Up. Buscar resultados. Organic Chemistry. 50 Awesome Chemistry Videos For The Busy Science Teacher. Though we don’t often recognize it, chemistry defines nearly every element of our everyday lives. From the reactions that fuel the sun to the biology of our bodies to the technology in our gadgets, chemistry is at the heart of everything we do and is the central science that unites biology, physics, geology, astronomy, medicine, and countless other fields. Yet chemistry doesn’t always get the credit and recognition it deserves for playing such an awesome role in, well, everything. If you’ve been slighting chemistry, there’s no better time to give the field the credit it deserves than National Chemistry Week.
Founded in 1987, the week-long event has helped bring awareness to the role chemistry plays both in our lives today and in our future. Amazing Reactions and Experiments From incredible explosions to chameleon-like color changes, these experiments and demonstrations showcase some of the coolest reactions in chemistry. Lectures Courses Fun Miscellaneous. Portada.
Atom structure. Electrons in atoms. Naming compounds. Chemistry Lesson - 5 - Let's Mix It Up. Stoichiometry. Reactions. Periodic table. Chemical bonds.