Draw the Lewis Structure for XeF2 and then choose (a) the correct molecular structure (choices = linear, trigonal planar, bent, tetrahedral, trigonal pyramidal, trigonal bipyramidal, seesaw, T-shaped, square pyramidal, square planar) and then indicate whether the molecule is polar or nonpolar (choices = polar, nonpolar).  Table for Question 12 Compound molecular structure polarity XeF2

Estimate the melting point of oxygen at 1.00 atm. Enter numbers only.  It is understood that your answer is in Kelvin (K).

Next to each species below, choose the type of solid each will form.  (Selection: atomic, molecular, covalent, ionic, metallic) Table for Question 10 Compound Type of Solid SeF3Cl Pd(NO2)2 Xe NH2I Ir2S3 Cu diamond Fe

You have 4 molecules. Molecule A is ionic, Molecule B is polar and capable of hydrogen bonding, Molecule C is polar and Molecule D is nonpolar.  Which molecule would you expect to have the highest vapor pressure?

Draw the Lewis Structure for XeOF4 and then choose:   Questions Answer Choices The correct molecular structure of XeOF4 is: The polarity of XeOF4 is:  

Shown below are 6 compounds.  Compounds A and B are ionic with their formula given, while compounds C-F are molecular and their 3-D shape is shown.  Table for Question 13 Letter Identifier A B C D E F Compound NaF FeCl   Match the compounds with their order from highest to lowest boiling point. With (1) being the highest boiling point and (6) being the lowest boiling point.  

For questions 11 through 15, please use the phase diagram of oxygen (O2) provided below to answer the questions.   Image Description

The initial pH of a 250.0 mL buffer that consists of 0.15 M phenylacetic acid and 0.13 M potassium phenylacetate is 4.25.  Calculate the pH of the buffer after 1.00 mL of 5.0 M NaOH is added to the buffer. (

Draw the Lewis Structure for NO3- and then choose: Questions Answer Choices The correct molecular structure of NO3- is: The polarity of NO3- is:

Calculate the partial pressure (in atm) of N2O in the vapor above a solution with an N2O concentration of 1.3 x 10-5  M.  k for NO = 2.4 x 10-2 M/atm Use the answer box to fill in the blank for your answer: ____