Chem 1AL UCSB Final Exam Questions and Answers with complete

proper lab attire includes - Answer-1. googles or safety glasses 2. lab coat 3. long pants that completely cover legs (no tights, or thin pants) 4. closed, sturdy shoes T or F. Hair must be pulled back - Answer-True, long hair must be pulled back. T of F. You may drink water in the lab. - Answer-False, no eating or drinking in the laboratory. List 3 pieces of emergency equipment in the lab - Answer-1. fire extinguishers (only used by lab instructor) 2. safety shower 3. eyewash station T or F. Some waste can be disposed down the drains. - Answer-False, never dispose waste down the drain. All waste should be put in the properly labeled waste container stored in the ventilation hood. T of F. When using a strong acid or base, you should pour them slowly while stirring. - Answer-true What should be done in the case of a spill? - Answer-In the case of a spill, you should notify your lab instructor immediately. Use sodium bicarbonate to neutralize acid spills and rinse with water. Use boric acid or dilute HCl to neutralize base spills. What should be used to neutralize acid spills? - Answer-Bicarbonate What should be used neutralize base spills? - Answer-Either boric acid, or diluted HCl T or F. All observations and measurements have uncertainties associated with them. - Answer-True Mass - Answer-The quantity of matter in an objectLength - Answer-The extent of something along its greatest dimension Volume - Answer-The quantity of space occupied by an object Temperature - Answer-The measure of heat intensity on a defined scale