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Forensic scientists specialize in various fields to assist in criminal investigations. Key types include forensic Biology experts, who analyze biological evidence like DNA; forensic chemists, who examine substances such as drugs and toxins; and forensic toxicologists, who study bodily fluids for harmful substances. Other specialists include forensic anthropologists, who identify human remains, and forensic entomologists, who use insect evidence to estimate time of death. Each type plays a crucial role in gathering and interpreting evidence to support legal cases.

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3w ago

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What does tare mean is science?

"To zero out the mass" When using an electronic balance, when you place an empty container on the pan, and then hit the 'tare' button, the value of the mass resets to zero. Then, when you put something in the contain, the balance will register the new mass.


What does it mean to 'tare a balance'?

To tare the balance is when, for example, you place a beaker on the balance and then click on the tear button which puts the balance back to zero. This putting the balance back to zero is called "tareing the balance".


Why are digital scales preferred over other types for charging refrigeration and air-conditioning systems?

Digital scales are preferred for charging refrigeration and air-conditioning systems because they provide precise measurements of refrigerant weight, ensuring accurate charging. Their digital readouts are easy to read and often include features like tare functions, which allow for quick adjustments. Additionally, digital scales typically have higher weight capacities and improved durability compared to mechanical scales, making them more reliable for professional use in HVAC applications.


What is gross weight of 6 lbs?

If an empty container weighs two pounds, that is the tare weight of the container when empty. If I then put 6 pounds of sand into the container, the total (gross) weight becomes: 2lb + 6lb = 8lb Gross. Therefore, the gross weight of the container is now 8 pounds.


Why are digital scales preferred over other types for charging refrigeration and air conditioning systems?

Digital scales are preferred for charging refrigeration and air conditioning systems because they provide precise measurements, ensuring accurate refrigerant charges. Their digital displays make it easy to read and monitor weights in real-time, reducing the risk of overcharging or undercharging. Additionally, many digital scales come with features like tare functions and memory storage, enhancing convenience and efficiency during the charging process. Overall, their accuracy and ease of use make them the ideal choice for HVAC professionals.