Compare the ΔHvap values for water, isopropanol, ether, and ammonia, and order them from lowest to highest. Explain the rank order based on intermolecular attractive forces.
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Compare the ΔHvap values for water, isopropanol, ether, and ammonia, and order them from lowest to highest. Explain the rank order based on intermolecular attractive forces.
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- Use molecular structures and noncovalent interactions to explain why dimethyl ether, (CH3)2O, is completely miscible in water, but dimethylsulfide, (CH3)2S, is only slightly water soluble.Discuss the different types of intermolecular forces that exist between molecules. Give an example of how intermolecular forces can affect the thermodynamic properties of fluids. Be specific and name the chemical compounds.C. Explain the following occurrences in terms of molecular polarity and intermolecular forces. 1. Propane can be liquefied, the reason why it is produced as liquefied petroleum gas. (a) What intermolecular force is present between propane gases that makes them attract one another and be liquefied? (b) As soon as we open our gas stove, it is immediately converted back to gas state. Explain it in terms of the strength of the intermolecular force present between propane molecules.
- Organise the molecular structure in order of increasing boiling point. Explain why.Select the compound that will have the lower equilibrium vapor pressure based on predicted intermolecular forces. pentane (C5H12) phosphorus tribromideRank compounds in order of decreasing of their normal boiling points. H2O, Al2O3, Br2, F2, NaCl, ICl
- Aspirin has a higher molar mass compared to salicylic acid, however aspirin melts at a lower temperature than salicylic acid. Provide a brief explanation for this observation. Table 1 Compound: Formula: Salicylic Acid C;H6O3 Aspirin C9H3O4 Molar Mass: 138.12 Melting point: Ka 158-160°C 1.08 x 10³ 180.15 140-142°C 2.72 x 10$ pKa Solubility (g/100ML) 2.99 4.57 0.18 0.25Select the compound that will have the higher equilibrium vapor pressure based on predicted intermolecular forces. pentane (C5H12) iodine pentafluorideWhich molecule ( CH3OH or CH4 ) has a greater vapor pressure and why?
- Which of the following gaseous substance would have the lowest solubility in water? CO2 H2 NH3 O2Why is hexane more volatile than water? Explain by mentioning the differences in their structure and intermolecular forces of attraction.Type of compound (use numbers) 1-ionic, 2-molecular, nonpolar 3-molecular, polar List the intermolecular forces present water cyclohexane methanol ethanol 1-propanol 1-butanol 1-pentanol 2-0ctanol pentane acetone benzophenone tetrahydrofuran naphthalene sodium chloride (table salt) sodium acetate sucrose (table sugar)