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Determine the amount of heat required to convert 500.0 g of liquid ethanol at 25.0 {eq}^o {/eq}c into gaseous ethanol at 125 {eq}^o {/eq}c Determine the molar mass of compound b. Use the following information on ethanol (c2h5oh) to calculate the amount of heat for each of the steps.
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Molar mass and water vapor density data barometric pressure 1.007 atm mass of flask+foil 11629 1175g mass of flask +foil+ condensed liquid 1.3g mass of condensed liquid 350 ml volume of flask temperature of water bath when vaporization. Science chemistry chemistry questions and answers the vapor pressure of ethanol is 375 torr and falls to 370 when 0.009kg of compound b is added to 400g of ethanol Assuming no phase transition, what is the change in temperature (°c) if 310.0 ml ethanol (molar mass 46.08 g/mol) absorbs 2.40 kj of heat
The density of ethanol is 0.789 g/ml and the molar heat capacity of ethanol is 109.5 j/mol･°c.
How many grams of nonelectrolyte sucrose (molar mass = 342 g/mol) must be added to 450 grams of water (molar mass = 18.0 g/mol) to change the vapor pressure to 745 mmhg at 100 degrees c? How would the molar mass differ if some water was still in the ethanol Hypothesize how a change in the amount (in g) of the sieves would affect the outcome of the experiment. Question ethanol (molar mass = 46 g/mol) can be dehydrated to yield ethene (molar mass = 28 g/mol) by heating it with an excess of concentrated sulfuric acid (acting as a catalyst).
Molality is given by the amount of substance in a specified amount of mass of the solvent Molality differs with molarity because molarity is based on the volume of the solution and molality is based on mass of the solvent. Compare the alcohols studied, describe the effect molar mass has on the at, and explain the reason for this effect With increasing molar mass, at decreases in this case as well.
A mixture of ethanol and water contains 60% water by mass
Assuming volume additivity of the components, estimate the specific gravity of the mixture at 20 degrees celsius What volume (in liters) of this mixture is required to provide 150 mol of ethanol?
