Find the concentration-ethylene glycol in units of molality
A solution is prepared by mixing 66.7 g H2O with 33.3 g HOCH2CH2OH (ethylene glycol). What is the concentration of ethylene glycol in units of molality? The molar masses of water and ethylene glycol are 18.02 g/mol and 62.07 g/mol, respectively.
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In an ethanol-chloroform solution in which the mole fraction of ethanol is 0.20, the total vapor pressure is 304.2 torr, and the mole fraction of ethanol in the vapor is 0.138. Calculate the activity coefficients of the ethanol and the chloroform.&nb
Calculate the heat (in kJ) associated with the complete reaction of 155g of NH3.
1 atm to produce carbon dioxide and water(liquid). If the reaction produces 520KJ of heat, what is the mass percentage of methane in mixture?
A silver chloride precipitate weighing 0.2255 grams was obtained from 0.3448 grams of a soluble salt mixture. Calculate the percentage of chloride in the original sample.
A metal container holding xenon gas (Xe) has a pressure of 458 torr at 20 degrees celcius. At what temperature will the pressure be 1.00atm?
What is the pressure in millimeters of mercury of 0.0110 of helium gas with a volume of 214 at a temperature of 50
Calculate the maximum mass in grams of H2S that can form when 218 g aluminum sulfide reacts with excess water according to:
Which stting material in the reaction if the limiting reactant and which material is present in excess? Show calculations and all work for your determination of this. 3CuCl2(aq) + 2Al(s) -> 2AlCl3(aq) + 3Cu(s).
In a reaction at equilibrium the partial presssure of SO2 is 117 torr and that of Cl2 is 255 torr. What is the partial pressure of SO2Cl2 in this mixture?
What impurities do you think are probably in your crude aspirin product? Where do those impurities go in the recrystallization process?
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You are task to create a 'character sheet' for an imaginary (or real) business owner. The details should includes description of the business your character
The danger of a concentration of power in the national government. How does Madison explain the Constitution's solution to this problem?
Define the important and distinct functions of the product/service. What are the unique or proprietary aspects of the product/service?
What is the context of laissez-faire within the Gilded Age? What was the consequence of the corporate mentality of Social Darwinism?
Problem: What does it mean to be socially responsible in business?
In no more than three (3) sentences, determine the type of innovation represented in each case.
you should create your own business goals using a SMART Framework. Complete below with the necessary information, and then generate a SMART Goal.