However, a satisfactory explanation for the high reported selectivity has never been shown. Here we report a study on the possible effects that lead to the large selectivity differences between current commercial Pd/C catalysts and our newly developed NanoSelect catalysts. The focus is on ...
Draw resonance formulas for the azide ion, and for the nitronium ion. Decide which resonance formula is the best description of each ion. Find the center of mass of the homogeneous shell S = \{ (x,y,z) : x^2 + y^2 + z^2 = 1, \quad z \geq 0 \} Find the ce...
HMX is the most powerful high explosive produced in industrial quantities today. It is a relatively insensitive, temperature-stable and safe-to-handle high
What hybrid orbitals are used by the central atom in the following expanded octet species? For each, draw an orbital diagram clearly showing the orbitals used and the number of electrons in each orbital. a. SF_4. b. I_3.What hybrid or...
The quantum mechanical approach is currently used to explain atomic structure. The study of fundamental constituents such as atoms, molecules, substances, metals, crystals, and other aggregates of the matter is where traditional chemistry begins. Let’s now see about someand some...
Nicotinamide is an important functional compound and, in the form of nicotinamide adenine dinucleotide (NAD), is used as a co-factor by protein-based enzymes to catalyze redox reactions. In the context of the RNA world hypothesis, it is therefore reasonable to assume that ancestral ribozymes cou...
The Gap Brand Is Dying Gap Chief Executive Art Peck, who will lead NewCo, said the revamp was made with an eye towards positioning the businesses for the future almost exactly 50 years after founders Doris and Don Fisher launched the company with a single store on Ocean Avenue in San Franci...
class/substructure Example(s) ([cm.sup.-1]) Chemical warfare agents (methyl phosphonate) Sarin 685-785 Explosive (nitroaromatic) TNT, DNT 1310-1390 (nitroester) PETN, EGDN, NG 1260-1300 Propellants/shock sensitive (fulminates) Mercury fulminate 1250-1350 (azides) Lead azide 590-620, 1345-...
Byanon130880— On Nov 30, 2010 I have recently used some skin care that had phenoxythanol in it. My skin never improved it got dry dry and agitated. So is it harmful or not as I get mixed feed back to this question. Thank you. ...
post number 4: Sodium laurel sulphate is used in many soaps, shampoos etc. it is not a soap but a detergent and is a known skin irritant. phosphoric acid: methylparaben is a preservative widely used in many cosmetics and skincare preparations. It too, has been given a bad press in rece...