Why should the distillation apparatus have an opening to the atmosphere at the end?

1 answer:

4 0

Distillation is one of the processes that are used in the laboratory to remove impurities from substances. Distillation employs the differences in the boiling points of two liquids to separate them. The distillation apparatus must have an opening to the atmosphere at an end in order to avoid developing a dangerously high pressure within the system when heat is applied.

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Which type of specimen must be chilled if testing will not be performed immediately?

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Urine Specimen must be chilled if testing will not be performed immediately.

<h3>What is Urine?</h3>

Urine is a liquid byproduct of human and many other animal metabolism. Urine travels from the kidneys to the urinary bladder via the ureters. Urine is discharged from the body through the urethra as a result of urination.

Many by-products of cellular metabolism, such as urea, uric acid, and creatinine, are nitrogen-rich and must be removed from the bloodstream. These by-products are excreted from the body through urination, which is the major way for excreting water-soluble compounds. A urinalysis can identify nitrogenous wastes in mammals.

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Pls help me thank i wille mark brainelist

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Answer:

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THe process of photothesis is c because light ,oxygen ,water,glucose is your answer.

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62. In Figure 3-2, ionic attractions would form between the R groups of which amino acids?

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