Question

what are the safety concerns in the laboratory? chemistry critical thinking and applications in each of the following situations, write yes if the proper safety procedures are being followed and no if they are not. then give reasons for your answer. 1. gina is thirsty. she rinses a beaker with water, refills it with water, and takes a drink. 2. bram notice that the electrical cord on his hotplate is frayed near the plug. he takes the hotplate to his teacher and asks for permission to use another one. 3. the printed direction in the lab sheet tells a student to pour a small amount of hydrochloric acid into a beaker. jamal puts on safety goggles before pouring the acid into the baker. 4. it is rather warm in the laboratory during a late spring day. anna slips off her shoes and walk barefoot to the sink to clean her glassware. 5. while washing glassware, mike splashes some water on evon. to get even, evon splashes him back. 6. during an experiment, lindsey decides to mix two chemicals that the lab procedure does not say to mix, because she is curious about what will happen.

Explanation:

1. Lab - use glassware is not for drinking as it may be contaminated. So it's a no - no for safety reasons.
2. Reporting a frayed electrical cord and asking for permission to use another hotplate is a proper safety measure to avoid electrical hazards.
3. Wearing safety goggles before handling acid is a correct safety procedure to protect eyes from potential splashes.
4. Walking barefoot in a lab is dangerous as there could be broken glass, spilled chemicals, or electrical hazards on the floor.
5. Splashing water back and forth in the lab can lead to slips, falls, and may also contaminate work areas or equipment.
6. Mixing chemicals not specified in the lab procedure is dangerous as it may cause unexpected and potentially harmful reactions.

Answer:

1. no; Lab glassware may be contaminated and not for drinking.
2. yes; Reporting frayed cord avoids electrical hazard.
3. yes; Wearing goggles protects eyes from acid.
4. no; Barefoot in lab risks glass, chemicals, or electricity.
5. no; Splashing water can cause slips and contamination.
6. no; Mixing un - specified chemicals is dangerous.