The thioketal product of a certain reaction is given. An organic reactant and protecting group reactant combine under acidic conditions to give a product and water. The product consists of a 5 membered ring where position 1 is fused to a 6 carbon ring, sharing a carbon. Positions 2 and 5 are sulfur atoms. Positions 3 and 4 are C H 2 groups. Identify the organic reactant and the protecting group reactant.

Non renewable resources like petroleum eventually

You exhale co2 which is produced during cellular respiration.  co2 combines with the water in your blood's plasma to make up one half of the body's most important buffer pair, carbonic acid.  the more physical activity you engage in, the more co2 your body is producing.  you can see this by putting some of the cabbage indicator in a glass and then blowing bubbles into it through a straw.  can you see a change in the color of the indicator?

What is the solubility-product constant of barium sulfate, baso4, if a saturated solution is 1.03 ´ 10-5 m?