Weigh the cylinder and liquid, and then calculate the density of the liquid. Repeat this procedure to find the density of each liquid. 2) Determine the density of each of the above, using a hydrometer and an ungraduated cylinder. Read the density from where the liquid crosses the hydrometer's scale. 3) Weigh and record the mass of an unknown metal cylinder. Also record the identity of the unknown metal cylinder (A, B, C, or D).
Over-the-counter ZYRTECÂ® is a medicine that provides effective, 24-hour relief of indoor and outdoor allergy symptoms. ZYRTECÂ® had been available by prescription for years, but since January 2008, it is available over the counter.
Zyrtec is less likely than some other antihistamines to cause side effects such as drowsiness and dizziness. â¢ Zyrtec is used to treat the symptoms of allergies such as sneezing; runny nose; itching, tearing, and redness of the eyes; and hives.â¢ Zyrtec may also be used for purposes other than those listed in this medication guide.uick Overview. Zyrtec is an antihistamine used to treat both seasonal and perennial allergy symptoms such as watery eyes, runny nose (rhinitis), itching eyes, and sneezing. Cetirizine is also used to treat hives. Synonyms: Ceticad, Neuosil, Zetecet, Zetect, Alerlisin, Formistin, Reactine, Setir, Virlix, Zyrlex.