Amixture of oxygen, hydrogen, and nitrogen exerts a total pressure of 378 kpa. if the partial pressures of oxygen and hydrogen are 212 kpa and 101 kpa respectively, what is the partial pressure exerted by nitrogen?

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

4. absorption has the highest risk of overdose due to increased potency. a. rectal b. oral c. transdermal d. intranasal

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.