Determine the molarity of the ethanol in the solution
A solution of ethanol (C2H5OH) in water is prepared by dissolving 58.0 mL of ethanol (density = 0.79 g/cm3) in enough water to make 235.0 mL of solution. What is the molarity of the ethanol in this solution?
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Diethyl ether is a volatile organic compound. the vapor pressure of diethyl ether is 401 mm Hg at 18 degrees celsius and the change in H vapor = 26.0 kJ/mol. Calculate the vappor pressure of diethyl ether at 0 degrees C.
Suppose a similar experiment had been done using 1.0 M H3PO4 solution as the acid. What would be the expected stoichiometric ratio, mol H3PO4 / mol NaOH, at the intersection of the ascending and descending portions of the graph for such an experim
Create a ladder program to control a washing machine. This washing machine would have a fill cycle to one level, a 10 second wash cycle, a 10 second rinse cycle and then drain. Include a start button, low level switch, high level switch, an ag
Calculate the molar enthalpy change when mercury is cooled 10 K. The molar heat capacity of mercury is 27.8 J/K*mol
Suppose I have a charge on an insulator. If I touch it to a conductor, what happens? (Since charge doesn't flow on insulators, does the charge remain on the insulator? Is some of the charge transferred to the conductor? If so, how much?)
If a rod of 1025 steel 0.5 m (19.7 in) long is heated from 20 to 80 deg C (68 to 176 deg F) while its ends are maintained rigid, determine the type and magnitude of stress that develops. Assume that at 20 deg C the rod is stress free.
what is the work in joules done on the system to compress He gas from 24.0 L to 12.5 L against a pressure of 1.5 atm at a constant temperature of 37.4 C?
You are the environmentalofficer attatched to Pesticide and Toxic Chemicals Control Board. Prepare a technical brief for the Chairman of the Board on strategies for the disposal of herbicides and herbicide containers in your country.
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