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Calculate the difference in the chemical potential of benzene (component1) in toluene (component 2) at molar fractions x1=0.5and x1=0.1 at 25 deg C, assuming ideal solutions?
A second sample weighing 0.78 is also burnt and 0.878 grams of water is collected. In addition, the molecular weight is about 60 g/mole. A sample of unknown material containing C, H, and O is analyz
Determine the exactly concentration of the NaOH titrant? 0.3043 g of pure KHP was weighed out and titrated to an end pint with the 15.12 mL. Of a NaOH solution that was approximately 0.1 M.
Calculate the molarity of a solution made by dissolving the 66.1 g of Ca(NO3)2 in the enough water to make 405.0 mL of solution? Report your answer to three places past the decimal point.
Explain how long does it take for the concentration to drop to .340? In the reaction A-Products, the initial concentration is .421m. Given the average rate of reaction is 4.5x10^-4.
A mixture containing argon and nitrogen are introduced until the height of the manometer is 54.1 cm. An apparatus is constructed with a rigid container connected to an open tube manometer.
Determine the solubility of silver chloride at this temperature? After correction for water conductivity, the conductivity of a saturated aqueous solution of AgCl at 298K was found to be 0.1887mS/m
Use the data supplied to determine the heat of formation of carbon sub oxide. (Data: 2CO(g)+C(s)->C3O2(g), Delta H= 127.3 kJ/mol and Delta H final of CO(g)= -110.5 kJ/mol) The compound carbon su
If the value 8π2h2 / ma2(the h is h bar, determine the state of the system after the measurement? Calculate the lowest and highest values of energy that can be obtained when the energ
Illustrate a structural formula of an alkenes or alkenes (if more than one) that undergo acid-catalyzed hydration and without rearrangement give 3-hexanol as the MAJOR product.
Determine the numbers of grams of PbI2 will precipitate from the reaction of 14.0ml of 0.190 M Pb(NO3)2 with excess KI solution? Suppose that all of the PbI2 is in soluble.
Determine the equilibrium concentrations for each form of the acid? 0.099 mol of phosphoric acid and 0.061 mol of KOH are mixed in the 100.0 mL of water. What is the pH?
Explain what volume of water is formed if 4 L of methane is burned in excess the oxygen? Suppose that the temperature of the reactants and products is 25°C and the pressure of the system remains
Assuming the secondary hydrogen's in pentane are equally reactive to monochlorination, determine the percentage of 2-chloropentane in the mixture?
Given the average rate of reaction is 4.5x10^-4. In the reaction A-Products, the initial concentration is .421m. Discuss how long does it take for the concentration to drop to .340.
Determine oh- and pH of the following using appendix D a.0.10 M b. 0.080 M c. a mixture that is 0.10 M in NaNO2 and 0.20 M in Ca(NO2)2
The flask is then cooled to 273 K, at which temperature the pressure in the flask is 508 Torr. Determine the percentage of arsine that has decomposed.
The products of the reaction are CO2 and water. Determine the number of moles of water produced if the reaction goes to completion. Consider the reaction among 50mL of liquid methanol (CH3OH, d
If the mole fraction of argon is 0.37 and the atmospheric pressure is 754torr, determine the partial pressure of nitrogen inside the container? An apparatus is constructed with a rigid container con
Ionization involves totally removing an electron from an atom. Explain how much energy is needed to ionize a hydrogen atom in its ground (or lowest energy) state?
When3.47 g of the sample is dissolved in water and treated with excess silver nitrate solution, a precipitate forms. A divalent metal chloride has 7.7% by weight NaCl as impurity.
Where the H2, CO and CH4 come from coalpyrolysis. If a gas phase composed of CO: 13.54%, CO2:15.22%, H2: 15.01%, CH4: 3.20%, and the balance N2 is burned with the 40% excess air.
Assuming they come to the same temperature, determine the final temperature of the water and silver? A piece of silver weighing 25.0g is heated to 100oC. it is then dropped into 42.5g of water that
Combustion of ethanol produces CO2. Combustion of gasoline produces CO2. Explain why is ethanol considered to be a green alternative fuel when it forms the CO2, just as traditional fuels do ( CO2 i
Explain how much heat must be removed to lower the temperature of 355g of water from 53 degrees Celsius to 18 degrees Celsius.