3 part question
If an object is completely submerged in a liquid, what volume of liquid does the object displace?
List the special waste disposal instruments that must be followed.
List the special safety precautions that must be taken.
a. The law of impenetrability says that two objects can't occupy the same space at the same time. So the object displaces its own volume.
b. "instruments that must be followed" Are you talking about protocol or objects?
c. Safety precautions for what.
It sure would help if we had an idea what you're doing and how these question fit into the grand scheme of things.
To answer the first part of your question:
When an object is completely submerged in a liquid, it displaces a volume of liquid equal to its own volume. This principle is known as Archimedes' principle. To calculate the volume of liquid displaced by an object, you need to know the volume of the object itself.
To find the volume of a simple regular-shaped object (e.g., a cube or a cylinder), you can use the appropriate formula. For example, for a cube, you can measure the length of one side (s) and then use the formula V = s^3 to find its volume. If the object has an irregular shape, you can use methods like water displacement to measure its volume. By measuring the change in liquid level when the object is immersed in a graduated cylinder, you can determine the volume of the displaced liquid, which is equal to the volume of the object.
Moving on to the second part of your question:
The specific waste disposal instruments required depend on the nature and classification of the waste you are dealing with. There are several types of special waste, such as hazardous waste, biomedical waste, radioactive waste, and electronic waste. Each type has its own designated methods of disposal to ensure environmental and human safety.
To determine the specific waste disposal instruments needed, you should consult relevant regulations and guidelines provided by environmental agencies or waste management authorities in your jurisdiction. These regulations often classify wastes and offer specific guidance on how they should be handled, packaged, labeled, and disposed of. Reviewing such guidelines will help identify the proper waste disposal instruments to follow.
Finally, addressing the third part of your question:
The special safety precautions to be taken also vary depending on the specific nature of the activities being performed and the potential hazards involved. However, there are general safety precautions that should be followed in any laboratory or hazardous waste handling situation:
1. Proper training: Always ensure that the individuals involved in waste disposal are adequately trained to handle hazardous materials safely and are aware of the correct procedures.
2. Personal protective equipment (PPE): Use appropriate PPE, such as gloves, lab coats, goggles, and respirators, to protect against potential exposure to harmful substances or pathogens.
3. Ventilation: Work in well-ventilated areas or use appropriate fume hoods or exhaust systems to minimize the risk of inhalation of toxic fumes or gases.
4. Segregation and containment: Separate different types of waste according to their hazardous properties and store them in appropriate containers to prevent cross-contamination and unintended reactions.
5. Emergency response preparedness: Have emergency plans in place, including proper spill containment and cleanup procedures, and ensure that the necessary safety equipment, like spill kits and eyewash stations, are readily available.
6. Compliance with regulations: Comply with all relevant laws, regulations, and guidelines related to waste disposal and safety to ensure the well-being of both workers and the environment.
Remember, it is crucial to consult local regulations and guidelines specific to your area to obtain accurate information on waste disposal instruments and safety precautions.