g Na+ ions, which have an atomic radius of 1.16 Å, and Cl- ions, which have an atomic radius of 0.99 Å, fit through the internal pore of DAT. A. Would Na+ ions be able to move through the middle of the alpha helix? Why or why not? Insert your response B. K+ ions have an atomic radius of 1.52 Å. Would they fit through the internal pore of the DAT? Why or why not? Insert your response

Select the correct value for the indicated bond angle in each of the compounds. o−o−oo−o−o angle of o3 90° 109.5° < 109.5° 120° < 120° 180° f−b−ff−b−f angle of bf3 180° < 109.5° < 120° 120° 109.5° 90° f−o−ff−o−f angle of of2 < 120° 120° 90° 109.5° 180° < 109.5° cl−be−clcl−be−cl angle of becl2 90° 109.5° 180° 120° < 109.5° < 120° f−p−ff−p−f angle of pf3 90° 109.5° < 109.5° 180° 120° < 120° h−c−hh−c−h angle of ch4 90° < 109.5° 180° 120° < 120° 109.5°

Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? (2 points) decreasing temperature decreasing pressure decreasing surface area decreasing solute concentration

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