Caffeine (C8H10N4O2) is a weak base with a pKb of 10.4. Calculate the pH of a solution containing a caffeine concentration of 455 mg/L.

True/False - Waxes are different from fats and oils in that they are simple monoesters with long saturated carbon chains. A. True B. False

9) Which compound is a soap? A) CH3(CH2)2COONa B) CH3(CH2)2COOH C) CH3(CH2) 14COONa D) CH3(CH2)14COOH

Part A For each of the following molecules, would you expect greater solubility in water or in hexane? Drag the appropriate molecules to their respective bins. CH2 OH CH3 но CH CH CH3 H3C. CH HC HO CH CH CH., HO CHS CH3 HC CH NH2 Greater solubility in water Greater solubility in hexane Submit Request Answrer

For questions 8 through 10, fill in constrict or dilate, then ↑ and ↓ arrows. 8.Acetylcholine will bronchioles → resistance → air flow 9. Histamine will bronchioles → resistance → air flow 10. Epinephrine will bronchioles →. resistance → air flow

Chemistry Question

How does BPA badly affect the environment?

how different emulsions can be identified?