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Obtain the standard free energy change for the reaction at 298 K. What is the equilibrium constant for the reaction at 298 K?
What is the concentration of nitrogen in the blood serum of a diver who came up from 200 ft below sea level?
What is the fraction accumulated by the biota in the lake? Use the fugacity level I model.
If the temperature is 298 K, and the density of sediment is 1200 kg/m3, determine the mass fraction of benzene in air using the fugacity level I model.
Give that µ0 = -386 kJ/mol for carbon dioxide on molality scale, calculate standard chemical potential for carbon dioxide on mole fraction and molarity scale.
The total volume of the solution is 100 mL and has a density of 0.95 g/cm3. What is the molality of benzene in solution?
Estimate the maximum work obtainable from the above reaction under standard conditions.
Compute what pressure is required to boil water at 393 K? The heat of vaporization of water is 40.6 kJ/mol.
If the temperature is raised to 318 K, by how much will the equilibrium constant of the reaction increase?
Its solubility in water at room temperature has been measured to be 32 mg/L. Calculate the activity coefficient of naphthalene in water.
Calculate the ratio of water molecules on the surface to the number in the droplet. Comment on your result. Molecular area of water = 33.5Å2.
Find what pressure is required to boil water at 393 K to clean the glassware? The heat of vaporization of water is 40.6 kJ/mol.
Calculate the standard enthalpy change for this reaction assuming that the enthalpy is constant. What is the entropy change at 600 K?
What pressure is required to boil water at 393 K? The enthalpy of vaporization of water is 40.6 kJ/mol.
The vapor pressure of liquid benzene is 6.2 kPa at 283 K and 15.8 kPa at 303 K. Estimate the heat of fusion of benzene.
Determine the boiling point of chloroform at a pressure of 10 kPa. What will be its vapor pressure at 316 K?
Calculate the mass of oxygen and nitrogen in 1 kg of pristine water at atmospheric pressure.
The solids density is 0.015 kg/L and the bioorganism density is 1 kg/L. Determine which compartment will have the highest amount of DMS?
Determine the ionic strength and corresponding Debye lengths for the following solutions: 0.005 M sodium sulfate, 0.001 M calcium sulfate, and 0.001 M ferrous.
If the Langmuir adsorption isotherm is assumed, what is the adsorption constant at 298 K?
Obtain a plot of the activity coefficient of methanol as a function of its mole fraction at 298 K. Use the one constant Margules equation.
Calculate the infinite dilution activity coefficient of pentachlorobenzene (C6HCl5) in water.
The sun's heat on a lake surface leads to the evaporation of water. What volume of the atmosphere is required to hold the evaporated water?
What will be the change in entropy if the water parcel descends and mixes with the lake water and reaches equilibrium with it?
Calculate the minimum work necessary to increase the area of the surface of water in a beaker from 0.001 to 0.005 m2 at 298 K.