20. Since heating is used to deodorize oils in the refining process, what can you conclude about the size and saturation of the odorant molecules relative to fatty acids? A) Odorant molecules should be larger and/or less saturated than typical fatty acids B) Odorant molecules should be smaller and/or less saturated than typical fatty acids C) Odorant molecules should be smaller and/or more saturated than typical fatty acids D) Odorant molecules should be larger and/or more saturated than typical fatty acids

Ciprodex® otic suspension contains a combination of an antibiotic and steroid for an ear infection. If there are twenty drops for every milliliter, how long would a 7.5 mL bottle last if the directions on the Rx read “iii gtts in both ears BID”? Round DOWN to the nearest day. Assume NO missing doses, overfill, etc.

11.3 a). What is the unit used for measuring ozone layers? b). What is the wavelength range of the UV radiation? c). How is ozone different from oxygen? d). When CFCs are exposed to UV or sun light, what species are produced? e). What is the role of chlorine radical in the ozone formation or reactions. f). What in the polar zone makes the depletion of ozone more serious?

What kind of spectra did the physicist Anders Jonas Ångström discover in his study of low-pressure gas discharge tubes? A) discrete B) continuous C) blackbody D) dark-line E) band

In an electrostatic interaction, the strength of the bond is: Oa) proportional to the charges on the two interacting atoms. b) proportional to the dielectric constant of the medium. c) proportional to the charges of the two atoms and to the dielectric constant of the medium. d) proportional to the Charges of the two atoms and inversely proportional to the distance between the two atoms e) inversely proportional to the distance between the two atoms.

Which one of these is NOT a possible justification for formulating medicines of the active pharmaceutical ingredient (API) and various expcipients? a) The API is stabilised by excipients to avoid appreciable degradation before administration b) The possibility of irritation to the body by API is reduced by the excipients c) A phatmalogical effect is exerted by both API and excipients d) The API cannot be used undiluted as it is very potent

.1 Given structures (Betaxlol) and (Timolol), which one would be a better choice topically to treat glaucoma in a patient with a history of asthma? Provide a SBTE for your answer. cr 0- CH2-CH-CH2-NH2-CH(CH3)2 -H2C-0-H2C-H2C- ÓH (Betaxolol) -00, c=C, H H -o-CH2-CH-CH2-NH2-C(CH3)3 (Timolol) OH