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The three-dimensional structure of the eclipsed conformation and the staggered conformation of ethane Utilize plain lines, solid wedges, and dashed wedges
Calculate the work, heat, energy and enthalpy change upon: a) expansion by 3.3 L at p=const (isobaric). b) isothermal expansion by 3.3. L against a constant external pressure of 30.0 kPa c) reversible isothermal expansion by 3.3 L.
Suppose you dope that 1cm3 sample of silicon with 1ppm of phosphorus that will increase the conductivity by a factor of a million. How many milligrams of phosphorus are required
Write the chemical equation describing solubility equilibrium and the solubility product constant expression for Cu(IO3)2(s) and Ba3(PO4)2(s)
What solute particles are present in an aqueous solution of NH4Cl? Express your answer as a chemical formula. If there is more than one answer, separate them by a comma. Include charges where necessary.
a cell depositing Cu from a Cu2+ bath operates for 10 hours with an average current of 5.8 A. if 65.3 g of copper is deposited, at what efficiency is the cell operating?
determined its current level of YAN to be 120 ppm N. If each gram of DAP adds 0.21 gram of N to the must, how much DAP is needed?
If you thought you had discovered a new element, how could you get the scientific world to accept your discovery. What roadblocks might you face, working outside the science community. How could you avoid being labeled a "crackpot"
5Fe2+ + MnO4- + 8H+ → 5Fe3+ + Mn2+ + 4H2O. Number of moles of electrons transferred in a two half cell reactions in the above overall reaction are
N2 is .070 moles, O2 is 0.35 moles and CO2 is 0.20 moles, the total is pressure 1.55 atm what is the pressure of N2?
At 25 °C and 765 Torr, carbon dioxide has a solubility of 0.0342 M in water. What is its solubility at 25 °C and 1470 Torr
Calculate the vapor pressure of Hg at 86 oC (in atm). Hg(l) ? Hg(g) ?Ho = 61.32 kJ and ?So = 98.83 J/K
For 2.25 moles of an ideal gas, Pext=P=200x10^3 Pa. The temperature is changed from 122 C to 28.5C and Cv=3R/2. Calculate the q, w, delta U and delta H for an isochloric process.
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