Substance Chemical Relative BP Relative Pvap Name Formula Water H20 [ Select ] [ Select ] Ethyl ether (CH3CH2)20 [ Select ] [ Select ] Ethylene [ Select ] [ Select ] (CH2OH)2 glycol Ethyl [ Select ] [ Select ] CH3CH2OH alcohol <> <> <>
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- 4 In the prior problem set we used the regular solution model to show that oil and water do not mix unless the solution is very dilute. But regular solution theory is not the best model to use for such a calculation because oil and water do not have similar molecular volume. Here we use Flory-Huggins Polymer theory to explore if oil and water mix. Assume oil is a hydrocarbon polymer for which N=10 and water is the solvent. For hydrocarbon-water mixtures assume wSP=5 and T=300K. Assume the volume fraction of oil is φoil=0.3. a. Calculate ΔS¯MIX . b. Calculate \(\Delta \bar{H}_{MIX)\) assuming the same conditions as part A. c. Calculate ΔG¯MIX assuming the same conditions as part A.At 1 atm, a mixture of octane and methylbenzene boils at 135.8 degrees Celsius with a composition of 60% methylbenzene. The boiling points of methylbenzene and octane are 110.6 and 125.6 degrees Celsius, respectively. Draw a boiling point-composition diagram for the octane-methylbenzene mixture system, including all significant labels.Recall that you are on the board of trustees for a Wisconsin township that frequently experiences winter temperatures of -16 °C. You are responsible for ensuring that the city’s 30,000 residents are able to travel safely in even the coldest and iciest conditions. You must decide if the city purchases the pre-prepared ice melt blend or proposes a new blend for use in winter 2022. You must consider environmental impact, lowest effective temperature, cost, and your experimental results in your decision. Of note, the pre-prepared blend would simplify logistics for the city, but the company’s price includes a $5/ton mixing fee; if you create your own blend, the cost would simply be calculated from the 2022 projected prices of pure compounds in Table 2.1 plus the $5/ton mixing fee. Would you recommend the city purchase the pre-prepared blend or change the percent composition of blended ice melt? Regardless of which choice you recommend, you must include the following in your response:…
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