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- What is the meaning of trituration?When 184. mg of a certain molecular compound X are dissolved in 85. g of formamide (NH,COH ), the freezing point of the solution is measured to be 1.7 °C. Calculate the molar mass of X. If you need any additional information on formamide, use only what you find in the ALEKS Data resource. Also, be sure your answer has a unit symbol, and is rounded to the correct number of significant digits. Ox10 미Suggest an explanation for the observations that propanol, C3H7OH, is miscible with water and that tricarbon octahydride, C3H8, is not soluble in water.
- Consider this information regarding two compounds. Thallium azide: yellow crystalline solid; melting point = 330 C; slightly soluble in water, more soluble in hot water; insoluble in ethanol or diethyl ether. Camphene: colorless, cubic crystals; melting point = 51 C; boiling point = 159 C; insoluble in water; moderately soluble in ethanol; soluble in diethyl ether. (a) Is camphene an ionic or molecular compound? Explain your answer. (b) Is thallium azide an ionic or molecular compound? Explain your answer.what are the heating and cooling points of ethanol and isopropanol?1)The production of authentic tequila is restricted to the blue agave and a defined geographical area in west-central Mexico. Two basic categories of tequila can be distinguished: “100% agave” and “mixed” tequila. High-quality “100% agave” tequila uses pure agave juice for fermentation and Mexican law states that these authentic tequilas must be bottled in Mexico. A mixed tequila is manufactured by adding up to 49% (w/v) of sugar from sugar cane for fermentation. The low-quality tequila is usually shipped in bulk containers for diluting and bottling in the importing countries. Due to frequent fraud in the labeled quality of tequila, there is a need to verify the authenticity of a tequila using chemical analysis. Figure 1 shows an ion chromatogram for an authentic 100% agave tequila and a commercial mixed tequila. The difference in anion content is due to the different sources of water used in final dilution and bottling steps. a) In reversed-phase liquid chromatography, a…
- How can you surely separate pure hexane from the mixture of hexane and water?Reagent Table Crop Reagent Amount Molecular Weight (g/mol) Molar millimoles equivalents Salcylamide 2g 137.1mg/mol 1.0 14.6mol ethanol 2.52g 149.9mg/mol 1.15 16.79mol Sodium Hypochlorite 22.88ml 74.44mg/mol 1.2 17.52mol 95% Ethanol 40ml solvent calculate theoretical yield using the chart, show calculations melting point 226celius, mass of the product 4.340 what is the percent of this?Which would you expect to be more soluble in water, cyclohexane or dioxane?
