Propane CH,CH,CH3 Dimethyl ether CH,ÓCH, MW = 46 amu Acetaldehyde CH,CHO MW = 44 amu u = 2.7 D bp = 294 K Acetonitrile CH;CN MW = 41 amu MW = 44 amu u = 0.1 D bp = 231 K µ = 1.3 D bp = 248 K µ = 3.9 D bp = 355 K Increasing polarity Increasing dipole-dipole interactions A Figure 11.8 Molecular weights, dipole moments, and boiling points of several simple organic substances.

For the following organic reaction identify the mystery reactant R, its stoichiometric coefficient N, and any other substance X that must be present. CH3 CH₂ =C-C-CH=CH₂ || CH₂ Chemical formula of R: Stoichiometric coefficient N: + NR Must any other substance X be present? X CH3 | CH3 CH–CH–CH2–CH3 T CH3 If you said an additional substance X must be present, enter its chemical symbol or formula: 0 yes no 90 X 5

For part B, it is not 4.98 x 10-41. I put it in and it was wrong. It is looking for P1.

The spectroscopic data in the table is generated with five solutions of known concentration. Concentration (M) 0.0133 m= 0.0266 0.0532 0.106 0.213 Absorbance 0.1271 What is the intercept of the linear regression line? 0.08531 0.5388 1.069 Use a spreadsheet program, such as Microsoft Excel, to graph the data points and determine the equation of the best-fit line. 1.954 What is the slope of the linear regression line formed by these points? M-1