Carbon Atoms Essay

1177 Words5 Pages
A number of the reagents used in this exercise have serious hazard warnings. Look up the MSDS of ferric chloride and list the ratings for the dangers to health, of flammability and reactivity, and the amount of personal protection needed for its use Selected Answer: MSDS of ferric chloride is very hazardous skin contact (cause irritant), of eye contact (irritant), of ingestion, Hazardous in case of skin contact, of eye contact. Skin inflammation is characterized by itching, scaling, reddening, or, occasionally, blistering. Not only is it harmful to skin and eyes, it is slightly hazardous in case of inhalation. Inhalation can cause coughing, choking, or shortness of breath. The liquid possible can produce tissue damage particularly on mucous membranes of eyes, mouth and respiratory. tract. Inflammation of the eye can cause redness, watering, and itching. Severity of the case can cause death. Feedback: Feedback not available until question is graded. Question 2 0 out of 1 points Which of the following is not consistent with the role water plays in dissociating ionic compounds? Selected Answer: d. Water is a polar covalent solvent; electrons forming the bond between its hydrogen and oxygen atoms are not shared equally. Question 3 2 out of 4 points Measurements in this experiment will be made using a visible spectrometer. Using it correctly will depend on your understanding of its features. Review the document on Making Visible Spectrometer Measurements found in the Course Documents folder. Match each of the following terms about the instrument and the measurements it makes with the correct description. Question Selected Match diffraction grating c. separates white light into its colors phototube detector h. the ratio of the initial intensity of light and that which reaches the
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