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Name the type(s) of intermolecular forces that exists between molecules (or basic units) in each of the following species:
(a) NaCL
(b) CS2
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- Name the type(s) of intermolecular forces that exists between molecules (or basic units) in each of the following species: (a) benzene (C6H6) (b) CH3Cl (c) PF32(a) Provide the Lewis structures for both CH3OH and C2H3Cl. 2(b) What is the largest bond angle among all the bond angles in CH3OH and C2H3Cl? Listthe three atoms making this largest bond angle, and estimate the value of the angle.2(c) What intermolecular forces are present(i) between CH3OH molecules?(ii) between C2H3Cl molecules?Name the type(s) of intermolecular forces that exists between molecules (or basic units) in each of the following species: (a) LiF, (b) CH4, (c) SO2 (a) benzene (C6H6), (b) CH3Cl, (c) PF3, (d) NaCl, (e) CS2
- Rubbing alcohol is the common name for 2-propanol (iso- propanol), C3H7OH. (a) Draw the three-dimensional structure of the 2-propanol molecule and predict the geometry around each carbon atom. (b) Is the 2-propanol molecule polar or nonpolar? (c) What kinds of intermolecular attractive forces exist between the 2-propanol molecules? (d) The isomer 1-propanol has the same molecular weight as 2-propanol, yet 2-propanol boils at 82.6 °C and 1-propanol boils at 97.2 °C. Explain the difference.Which of these molecules exhibits only the London dispersion forces (LDF) of interactions? (A) H2O (B) CO2 (C) SO2 (D) N2Owhat type of lattice does the ionic compound Ba3N2 belong?
- In a hydrogen molecule, the two hydrogen atoms are held together by a single bond with a bond energy of 436 kJ/mol of hydrogen. In other words, to break the H-H bonds in one mole of molecular hydrogen requires the expenditure of 436 kJ of energy. Using the balanced chemical equation for the formation of water from oxygen and hydrogen (shown above), and interpreting the stoichiometric coefficients as mole amounts, how much energy must be expended in breaking the H-H bonds? kJA می 5. (a) Describe the location of the bonding electrons in solids that have (A) ionic, (B) covalent, and (C) metallic bonding. (b) Using the periodic table, calculate the percent ionic character of the interatomic bonds for the material CsCl. (c) Explain why hydrogen fluoride (HF) has a higher boiling temperature than hydrogen chloride (HCl) (19.4 vs. −85 °C), even though HF has a lower molecular weight.7. (a) What effect do the polarity, size, and shape of a molecule have on the physical properties of the molecule? (b) How do these factors influence intermolecular forces? K/UT/I
- 2S03(g) →2SO2(g) + O2(g); AH° =Which member of each of the following pairs of substances would you expect to have a higher boiling point? (a) O2 and Cl2, (b) SO2 and CO2, (c) HF and HIWhich substance in each of the following pairs would you expect to have the higher boiling point? (a) Ne or Xe, (b) CO2 or CS2, (c) CH4 or Cl2, (d) F2 or LiF, (e) NH3 or PH3 (a) Ne; (b) CS2; (c) CH4; (d) F2 ; (e) NH3 (a) Xe; (b) CS2; (c) Cl2; (d) LiF ; (e) PH3 O (a) Xe; (b) CS2; (c) Cl2; (d) LiF ; (e) NH3 (a) Xe; (b) CS2; (c) Cl2; (d) F2 ; (e) NH3 (a) Xe; (b) C02; (c) CH4 ; (d) LiF ; (e) PH3