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4.) which of the following statement
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- Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on. chemical symbol, chemical formula or Lewis structure substance boiling point dh A NO (Choose one) 0 :0: H H C-C-– H (Choose one) 8 H. :0: H-C-N– H (Choose one) e N2 (Choose one) e D Check Explanation O 2022 McGraw ill LLC. All Rights Reserved. Terms of Use I Privacy Center / Accessibility MacBook Air %23 3 4. Y U I DBelow is an image of glycerol. Which angle in the list below is closest to angle a at the specified atom? H H :0: н a H- -с—с—с- 0-H H H H Da. 109.5° Ob. 180° Oc. 90° Od. 120° Oe. 60° :0:4 orgchem: can somebody explain to ke how is this true. when Hydrogen is on the plane done we rotate it? why are places swap?
- Below is an image of citric acid. Which angle in the list below is closest to angle a at the specified atom? :0: :0: H H :0: -C- C- C- 0-H H :0: H H Oa. 60° Ob. 120° Oc. 109.5° Od. 180° Oe. 90° :0: :Part A Draw the structure of this cyclic disulfide: CH;CHCH,CH,CHCH3 SH SH 2,5-hexanedithiol (Hint: Draw the starting compound in line structure format first). Draw the molecule on the canvas by choosing buttons from the Tools (for bonds and charges), Ator 12D H 2D EXP. CONT. H. C N. 87°F arch (X)Lewis Structure, Molecular Shape, and Molecular Polarity Lab Instructions: For each molecule or ion; you may use additional pages A. Draw the Lewis structure of the molecule/ion. Including formal charge. If applicable, Include all resonance structures. B. Write the number of atoms and lone pairs on the central atom C. Determine the electron geometry D. Determine the molecular shape E. Indicate the ideal bond angle F. Determine if the molecule is polar or nonpolar. Ions are always polar. NH3 (an example) A. H-N-H
- The structures of 2,2-dimethylpropane and pentane are shown. H H H H CH3 H3C CH3 CH3 surface area of 2,2-dimethylpropane surface area of pentane = pentane H = O 2,2-dimethylpropane H 2,2-dimethylpropane Calculate the surface area of each compound, assuming that 2,2-dimethylpropane is approximately spherical with a radius of 254 pm and that pentane is approximately a rectangular prism with dimensions of 295 pm × 692 pm × 766 pm. H H H Select the molecule that has the larger surface area. pentane H H Select the true statement about the boiling points of these two molecules. Pentane has the higher boiling point because it has the smaller surface area. 2,2-Dimethylproane has the higher boiling point because it has the larger surface area. Pentane has the higher boiling point because it has the larger surface area. O 2,2-Dimethylproane has the higher boiling point because it has the smaller surface area. 2 pm² 2 pm²1 (highest) Rank the elements or compour heir boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the sut id so on. chemical sy 3 substance chemical fc or Lewis str 4 (lowest) H CEN: A (Choose one) Не (Choose one) H CEC-H C (Choose one) Fe (Choose one) 2. B.Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on. chemical symbol, substance chemical formula boiling point or Lewis structure Ar (Choose one) A В Cr (Choose one) v H H. H. H - C - C - ) - C H (Choose one) | H H H. H H - C -H D :N - O - H (Choose one) ♥ Н—С — Н ? :0 : :