Which chemical reaction model is flawed? a. 4 c2 + s8 → 4 cs2 b. 2 fe + 3 cl2 → 2 fecl3 c. 2 na + cl2 → 2 nacl d. p4o10 + 6 h2o → 4 h3po4

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

For the following dehydrohalogenation (e2) reaction, draw the zaitsev product(s) resulting from elimination involving c3–c4 (i.e., the carbon atoms depicted with stereobonds). show the product stereochemistry clearly. if there is more than one organic product, both products may be drawn in the same box. ignore elimination involving c3 or c4 and any carbon atom other than c4 or c3.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?