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The internal energy of helium at 300 K and 1atm is 3,800 J, as well as the molar volume at the same temperature is 24.63(liters/mol). Compute the enthalpy of helium at this temperature and pressure and the rate at which enthalpy is transported by a stream of helium at 300k and 1atm whose molecular flow rate is 250 (Kmol/hour). R=0.082 (LATM/MolK). R=8.314(J/KMol). Compute the maximum work of the system.
The degree of ionization for propionic acid in an aqueous solution which contains 4.00 mol C2H5CO2H in 2.00 L is
Determine the [H+], [OH], and the pH of a solution made by dissolving 1.03 g of NaOH, a strong base, in water to make exactly 1.50 liters of solution
Determine the final pH of a solution that is prepared by mixing 25 mL of 0.15 M sodium hydroxide( NaOH )with 20. mL of 0.20 M HA,( a weak acid with Ka = 2.3 x 10-6)?
When 1.000 mol of pcl5 is introduced into a 5.000l container at 500k 78.50% of the pcl5 dissociates to give an equilibrium mixture of pcl5, pcl3, and cl2
How does a solution of two volatile components with strong solute-solvent attractions deviate from Raoult's law?
A solution of 75.0 g of benzene (C6H6) and 75.0 g of toluene (C7H8) has a total vapor pressure of 80.9 mmHg at 303 K. Another solution of 100.0 g benzene and 50.0 g toluene has a total vapor pressure of 93.9 mmHg at this temperature.
hydrochloric acid reacts with magnesium to produce hydrogen gas and magnesium chloride. reacting magnesium with excess
Derive an expression for the number of molecules with a speed (c) greater than some specified speed (c'). Recall that the number of molecules having speed in a certain range is the integral under the Maxwell-Boltzmann speed distribution curve ..
What is the Keq for a chemical reaction which has Eo of +0.50v and a 3 electron exchange
h2g i2g 2 higan equilibrium mixture for the reaction above contains h2 0.150 m i2 0.350 m and hi 0.500 m. what is
the NERNST equation is used to predict the impact of concentration on the cell potential. What value of slope does the Nernst equation predict for a plot of Ecell vs. log(cu2+ conc ratio)
Briefly explain how the calculated molar mass of HCL would be affected if the HCL-saturated cotton ball were placed in the tube the NH3-satureted cotton ball
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