Which of the following is MOST soluble in polar solvents? A H3C LOH В с D В OD Oc О А H3C. HO л HC CH3 CH3 ОН COOH CH3 CH3 CH3
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- Rx Ephedrine sulfate (fz. pt = -0.13°C). 2%Sodium chloride MW 58.5Purified water qs ad. 30 mL How much sodium chloride should be used to make this eye solution isotonic with tears? the answer is 224mgWhich of the following positively-charged ions is about 28 times more concentrated inside of the cell than outside (useful for the action potential of a neuron)? chloride magnesium bicarbonate potassium calciumWhich of the following positively-charged ions is about 15 times more concentrated outside of the cell than inside (useful for the action potential of a neuron)? chloride bicarbonate calcium magnesium sodium
- The reults for the macroscopic part: 0.30M glycerin – solution was translucent (could see text behind the test tube) 0.15M NaCl – solution was opaque (could not see text behind the test tube) 0.30M NaCl – solution was opaque (could not see text behind the test tube) 0.15M glucose – solution was translucent (could see text behind the test tube) 0.30M glucose – solution was opaque (could not see text behind the test tube) 0.30M Urea – solution was translucent (could see text behind the test tube) Results for microscopic part: 0.30M glycerin – no cells present 0.15M NaCl – normal sized cells 0.30M NaCl – crenated (shrunken and star-shaped) cells 0.15M glucose – no cells present 0.30M glucose – normal sized cells 0.30M Urea – no cells present Determine the osmolarity (hypoosmotic, isosmotic, or hyperosmotic) and tonicity (hypotonic, isotonic, hypertonic) of the following solutions.In which solutions did the osmolarity NOT match the tonicity? For those solutions, why did the osmolarity…How much active ingredient in 20 cc of a 15% solution? You have 1:1000 concentration of epinephrine. How many mLs do you need to draw up if you want to give 45 mg of the drug? (I need help please :)The cell membrane facing the extracellular fluid is lined by the following: O a No Charges Ob Positive Charges c. Negative Charges Od. A and B O e A and C
- Why does the water on glass (left) look flat, while the water on the wax paper (right) looks rounded? The water is experiencing cohesion on both surfaces, but stronger adhesion on the glass O The water on the right is experiences adhcsion with the wax but no cohesion O The water on the left is cxperiencing adhesion with the glass but no cohesion The water is experiencing adhcsion on both surfaces, but stronger cohesion on the waxb pdf.01# 9 s -> 1 BIO( علوم حياتية عامة لطلبة الكليا Which of the following processes includes all the others? O a. Facilitated diffusion O b. Passive transport Oc Osmosis O d. Diffusion Clear my choice 2 ) 1 1 BIO( علوم حياتية عامة لطلبة الكلList the five components of an isoelectric focussing gel
- The turn tonicity Refers to the strength of solutions. True or false?What is true about 'cracking' of emulsion? Select one: O a. The primary emulsion does not become white due to coalescence of the dispersed phase O b. The globules of dispersed phase rise to the surface O c. Cracking is reversible and redispersion can be achieved by shaking O d. It is a result of phase inversion due to prolong storageThe cell membrane facing the intracellular fluid is lined by the following: O a. No Charges Ob Positive Charges OC. Negative Charges Od A and B Oe. A and C
