Which type of interaction is depicted by the dotted line in the image below? H H H 8+ H H 8+ H ionic interaction hydrogen bond dispersion force dipole-dipole interaction
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- 11:51 l 5G Question 10 of 25 Submit Select to Draw 1. O3 2. CH3SCH3Consider the compounds below. A H нн CH3-N-CH3 H-C-N-C-H H-C-C-NH, CH3 C,H,N C,H,N C,H,N Which substance can act as a hydrogen bond acceptor? A and B all of them B and C O AHow many hydrogen bond donors does the following molecule have? H Η
- Which of these solvents is polar aprotic? 1) Methanol 2) Ethanol 3) water 4) DMSOLiquid Formula Molar Lewis Polar or Strongest Nonpolar Type of IMF Mass Structure pentane CH;CH2CH2CH2CH3 Нехane CH3 (CH2)4CH3 Heptane CH3 (CH2)SCH3 Octane CH3(CH2)6CH3 Glucerine HOCH2CH(OH)CH2OH Water НОН Acetone CH3COCH3Stearic acid (C18H3602) is a fatty acid, a molecule with a long hydrocarbon chain and an organic acid group (COOH) at the end. It is used to make cosmetics, ointments, soaps, and candles and is found in animal tissue as part of many saturated fats. In fact, when you eat meat, you are ingesting some fats containing stearic acid. Determine the AHrxn for this combustion given the following information: AH of stearic acid = -948 kJ/mol, AHf of CO, = -394 kJ/mol, AHf of water = -242 kJ/mol. Calculate the heat (q) released in kJ when 261.8 g of stearic acid reacts with 903.9 g of oxygen. Enter a positive number to 0 decimal place.
- a) Which of the following compounds is (are) capable of H-bonding to itself? Circle all that apply. 여 он Но но A в D E b) Which of the compounds above cannot be a H-bond donor but can be a H-bond acceptor? c) Which of the compounds above would you expect to have the highest boiling point? Provide a brief explanation. ZIExplain why trimethylamine, (CH3)3N, has a considerably lower boiling point thanpropylamine CH3CH2CH2NH2, even though both compounds have the same molecularformula. Use drawings to fully explain your answer.classify the molecules of interest (i.e. para-aminophenol, acetaminophen, phenacetin) in increasing order of polarity? Rationalize these observations based on molecular interactions.
- In which of the following pure substances would hydrogen bonding be expected? propanamide H pentane H- diethyl ether H 414 H H H H H H ||||| H H O All of the Above Н N- H H Н H Н Н HHHH Н Н Н H н -HSO4-2 + Ba (C2H3O2)2 in the presence of HClDraw the major organic product of the following reaction. H₂C C₂H5 Illy H₂C C₂H₁ C₂H5 H₂C H₂C C₂H₂ Il Ill Ph CH3 OC₂H5 Ph CH₂ Ph CH₂ OC₂H5 CH3 Ph NaOC₂H5