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Concept explainers
Interpretation:
The physiological effects exposure to formaldehyde should be explained; formaldehyde is released when burning some plastic.
Concept Introduction:
Chemical exposure: Serval chemical can result in varying symptoms with different degrees of danger, mild reactions include burning and tearing of the eyes, throat, nose, chest, skin. The several chemical include coughing, wheezing, feeling faint, convulsion and even death.
Chemical hazards: Exposure the chemical getting into on human body to occur to make you sick or cause adverse health effects or have any effect on your health. If cannot exposed to the chemical, it cannot make you sick.
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Chapter 15 Solutions
Pearson eText Fundamentals of General, Organic, and Biological Chemistry -- Instant Access (Pearson+)
- One critical function of chondroitin sulfate is to act as a lubricant in skeletal joints by creating a gel-like medium that is resilient to friction and shock. This function seems to be related to a distinctive property of chondroitin sulfate: the volume occupied by the molecule is much greater in solution than in the dehydrated solid. Why is the volume so much larger in solution?arrow_forwardDefine the following terms: a. reducing sugar b. alditol c. enediol d. acetal e. ketalarrow_forwardCan there be any chiral carbon atoms in triacylglycerols? If so, which ones can be chiral and what determines their chirality?arrow_forward
- For each of the following chemicals, name the general class they belong to, discuss their solubility in water and explain why they are/are not soluble in water (note the numbers are all subscripts): a) CH3(CH2)26COOH b) KCl c) CH3OHarrow_forwardTHC is the active component in marijuana, and ethanol is the alcohol in alcoholic beverages. Explain briefly (1-2 sentence/s only) why drug screenings are able to detect the presence of THC but not ethanol weeks after these substances have been introduced into the body. CH3 OH CH;CH2-OH ethanol CH3 (CH2)4CH3 CH3 tetrahydrocannabinol THCarrow_forwardCompare the densities of low-density polyethylene (LDPE) and high-density poly- ethylene (HDPE) with the densities of the liquid alkanes.How might you account for the differences between them?arrow_forward
- Common names for some triacylglycerols depend on their source. Identify the source. Choices are plant oils (soybean, canola, corn, sunflower, and so on), beef fat, and pork fat. (a) Tallow (b) Cooking oil (c) Lardarrow_forwardWhat is dimethylallyl pyrophosphate (DMPP)?arrow_forwardin which of the following alternatives is the greatest amount of energy released from the hydrogenation of:a) 1 mole propeneb) 1 mole of butadiene 1.3c) 1 mole pentyn-2d) 3 moles of ethenearrow_forward
- a) What are the differences between the synthetically prepared hydroxyapatite and biologically derived hydroxyapatite? b) How do you define porous and dense hydroxyapatite? Please explain the differences? c) What is the importance of Ca/P ratio? Give example.arrow_forwardGalactose can exist as a cyclic hemiacetal because one of the alcohol groups reacts with the aldehyde. 1 2 3 4 он он о Н Он Он о CH2-CH-CH-CH-CH-C-H 6. CH2-OH OH C он 10 он C 8. H. H. OH Which carbon atom of the cyclic hemiacetal was originally a part of the aldehyde group? Carbon: Which alcohol group in the open-chain structure became a part of the cyclic hemiacetal? Alcohol:arrow_forwardWhat is the major chemical difference between ribose and deoxyribose?arrow_forward
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