Calculate the molecular mass of the compounds represented by the chemical structures. Round to the hundredths place. Linesrepresent bonds between adjacent atoms.Caffeinemolecular mass of caffeine:CH,amuH,CCHN.CH,Epinephrinemolecular mass of epinephrine:HO-CH-CH,--NH-CH,amuHCCHHCHO,он

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Answered: Calculate the molecular mass of the…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter6: Covalent Bonding

Section: Chapter Questions

Problem 4QRT

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< Complete the following structural formula for a neutral molecule by adding H atoms to complete the valence of each atom. Do not introduce any double or triple bonds. Then complete the Lewis diagram by adding any unshared electron pairs needed, so that each atom except H has a complete octet. [Review Topics] [References] Use the References to access important values if needed for this question. Br Br C—C— Write the molecular formula in the order CHX, where X stands for Cl or Br. Submit Answer The number of unshared pairs in the Lewis diagram unshared pair(s). Retry Entire Group 9 more group attempts remaining Previous Email Instructor Next Save and E
For each compound in the table below, decide whether there would be any hydrogen-bonding force between molecules of the compound, or between molecules of the compound and molecules of water. compound hydrogen-bonding force Between Between molecules of formula or Lewis molecules of the the compound and molecules of water? name structure compound? :0: || Н — С — о— Н yes yes formic acid no no yes О yes iodomethane CH,I no no H H yes yes dimethyl ether Н — С — - C -H no no H H O O ОО :o:
Name 5 common organic compounds that are found in your home. Draw their Lewis structures and give their molecular formula. Encircle and identify the functional group/s that is/ are present in each molecule. Write your answers in another sheet of paper. Ex. Acetic acid in vinegar Substance Molecular formula Lewis structure CH,COOH - more preferable H-C+C 0-H Acetic acid C2H4O2 in vinegar H Carboxylic acid エーO-エ
compound hydrogen-bonding force Between Between molecules of formula or Lewis molecules of the the compound and molecules of water? name structure compound? H H | Н — С | | yes yes N-chloromethylamine - no no H. yes yes hydrogen iodide HI no no :0: || н —с —с-о — н H yes yes acetic acid no no H O O
Name the highlighted chemical group in each molecule. Lewis structure name of highlighted group :0: H С — С — Н || :0: H H Н — С N : | н н H H H C=0 - H - С — Н H :0 :
Some of these structural formulas are incorrect (i.e., they do not represent a real compound) because they have atoms with an incorrect number of bonds. Which structural formulas are incorrect? Which atoms in them have an incorrect number of bonds?
Name trie ighlighted chemical group in each molecule. Lewis structure name of highlighted group H H Н — С - н —С — Н | - H Н —N — н H - Н —С — С 3 с н н н H :0: Н — С: о — Н : : -
Use this condensed chemical structure to complete the table below. CH, — С — О — С — CH, The condensed chemical structure of acetic anhydride Some facts about the acetic anhydride molecule: number of carbon-carbon single (C - C) bonds: number of carbon-hydrogen single (C - H) bonds: number of lone pairs:
What is the structural diagram of CH2ClF without lone pairs? Also what is its Electronegativity bond after you subtract the smaller from the greater value along with its bond type, total lone pairs of electrons and total bonding pairs of electrons? Lastly, is it polar or non polar (polar molecularity) ?
How many valence electrons are there in a correctly drawn Lewis structure for formamide, HCONH2 ( You should also be able to draw the lewis structure for this. Hint, the C is in the center with an O ,N and 1 H attached. The other H atoms are attached to the N)
Which of these pairs are resonance structures? i. ii. 道. H H-C H H H H-C–C–C—C—H H H H H H | H H 一 H H H–C–C H H-C H H H H C H 大学 6: H :OH O:H H:O: H H :Ö: H C-H OH :0₁
Which of the highlighted chemical bonds in the molecules below is longest? Shortest? In between? Which highlighted bond requires the highest energy to break? Lowest? In between? Answer these questions by completing the second and third columns in the table. length of highlighted bond energy of highlighted bond compound :F: Н—с—н choose one - choose one | H :Br: Н—с—н choose one choose one - v H :ci: Н—с—н choose one - v choose one - ▼ H

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Calculate the molecular mass of the compounds represented by the chemical structures. Round to the hundredths place. Lines represent bonds between adjacent atoms. Caffeine molecular mass of caffeine: CH, amu H,C CH CH, Epinephrine molecular mass of epinephrine: HO-CH-CH,-NH-CH, amu HC CH HC, .C HO,