can you please help me to do my homework Briefly answer the following questions:

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can you please help me to do my homework

Briefly answer the following questions: (a) Describe what you will do with the acetone rinses you collect while drying your flask after measuring its volume. (b) Describe why you must wash your hands with soap or detergent before leaving the laboratory after you complete this experiment. In this experiment, you will study Boyle's law. (a) Briefly state, in words, Boyle's law. (b) Identify the gas you will study using the procedure of this experiment. (c) Briefly explain how you will keep the mass of the gas constant as you perform this experiment.

Explanation / Answer

Ans. #1. A. Acetone and organic solvents must not be drained in sink. It shall be transferred to the non-halogenated waste solvent container available in the lab. Moreover, it can also be stored is separate and suitable bottles for any crude uses (like rinsing containers to remove oil, etc.) after notifying your instructor.

#1. B. Residues of organic solvent, if not removed, results dry and scaly skin by dissolving the protective oily layer of skin.

Soap or detergents (have both hydrophilic and hydrophilic parts in it) remove (wash out) traces of organic solvents (contaminants on skin, may appear during performing the experiment) as well as inorganic contaminants from skin when washed properly. The inorganic contaminants (like acid, alkali, salts, etc.) may cause burns, irritate skin and may cause other systemic health hazards. If unwashed, both the organic and inorganic contaminants can be transferred to other parts of body (say, face though touch, etc.) or even ingested with edibles or potables. Ingestion of such contaminants can have severe consequences depending on its nature.

Thus, it protects the skin from damaging effects or organic as well as inorganic contaminants (inorganic contaminants, too).    

#2. A. Boyle’s Law: For a gas at constant temperature confined in a closed vessel, the product of pressure and volume is a constant.

            That is, PV = Constant                     - Temperature kept constant

#2. B. Normal air can be used for the experiment.

Note: Please see your lab book for any other gas (ex- CO2) is being used.

#2. B. It depends on the method of experiment. For an experimental setup using piston-fitted cyliner, the inlet and outlets are kept closed during experiment. In all cases the container is seal after certain amount of the gas is introduced in the experimental vessel. Throughout the experiment, gas is NOT allowed to escape.

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