Molecules will try to adopt the most stable conformation that minimizes strain. For cyclohexane, C 6 H 12, this would be the chair conformation. Letâs see why. If cyclohexane was planar, its structure would look like the picture to the left.
CPAP mask â There are many types of C-PAP masks. There are masks that just cover the nose (nasal cpap mask), and masks that cover just the mouth (oral masks), and of course, nasal-oral masks. There are also masks that are attached to oral appliance mouth devices.
CPAP is the abbreviation for continuous positive airway pressure. This is a treatment for people who suffer from obstructive sleep apnea. With CPAP, a face mask is worn at night. The mask is attached to a machine that sends pressurized air into your airway, keeping it open while you sleep. This can help to eliminate snoring and other sleep apnea symptoms.