CHM 111 Lecture Notes - Lecture 2: Oxygen Concentrator, Lemonade, Chronic Obstructive Pulmonary Disease
9 Sep 2015
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Chapter 1: the air we breathe part i. Mixture: physical combination of two or more substances: air, water, lemonade, human body, etc. Three states of matter: solid, liquid, gas: de ned by how they ll their container. Medicine: hyberbaric chamber, serious burns, serious infections, decompression sickness, wounds that won"t heal from radiation or diabetes. Oxygen bars: produced from air, with an oxygen concentrator, and inhaled through. /minute to inhale a higher concentration of oxygen (92%!) recreational; late 90s a nasal tube. There are no long-term, well-controlled scienti c studies that support these claims. According to the fda: people with certain medical conditions (heart disease, asthma, emphysema) need to have their medical oxygen regulated carefully. Any argon that is inhaled in a breath is exhaled in the same amount (chemically unchanged) Amount of water vapor in air depends on location. Di means two; two oxygen atoms (co2) Use up oxygen and give o both water and carbon dioxide (inhaled vs. exhaled)
