Sample #1 has a lower vapor pressure than does Sample #2. The molecules are about the same size. Check all statements that apply to this situation. Sample #1 has weaker IMFs Sample #2 has weaker IMFs Sample #1 is more polar Sample #2 is more polar Sample #1 has more molecules in the gas phase O Sample #2 has more molecules in the gas phase O The IMFs for Sample #1 are easier to disrupt O The IMFs for Sample #2 are easier to disrupt

Water is critical to understand for biophysical processes. a. Draw the chemical structure of water (at pH 7.5). Add labels of bond lengths, atomic radii, angles, dipoles, and types of intermolecular interactions possible. b. Draw a diagram of water within a hydrophobic cavity. Include expected distances and label interactions. c. What is the volume of a bacterial cell? Of a eukaryotic cell? How many water molecules could fit within both cell types assuming the cell is 70% water? d. At a pH of 7.5, how many protons are available in the cell for cellular processes that require

POST-LAB QUESTIONS 1. Determine the molecular geometries of the following molecules and ions: a. O3 b. NI, g. NH4 2- CIO2 co, с. d. 2- e. SO3 f. PCĻB. Draw the dot structure for the ionic compound MGF2. Can you make a model of this substance? Explain your answer. 2.

Options for first blank: A. Exothermic B. Endothermic Options for second blank: A. Less B. More Options for third blank: A. Le chantelier’s principle B. Henry’s law