Calculate concentration of O_2 (in mg/L) in surface water in equilibrium with atmosphere (at 25 degree...
For equilibrium at 25 oC with the atmosphere, what are the aqueous concentrations of N2 (mg/L), O2 (mg/L) and CO2 (mol/L) in natural water? Example: N2 : 0.79 atm O2 : 0.21 atm CO2 : 10-3.38 atm
Find the equilibrium concentration of aluminum ions in pure water at 25 degree C caused by the dissociation of Al(OH)_3. Express the answer both in units of M and mg/L. Find the equilibrium pH value if copper ion (Cu^2+) concentration in water is 1.2 mg/L. The copper ion is dissolved from Cu(OH)_2. Calculate the equilibrium concentration of dissolved oxygen in mg/L in 10 degree C water (a) at msl (mean sea level), and (b) at 600 m elevation.
Find the equilibrium concentration of N_2O_4(g) [Nitrogen nitroxide] due to the chemical reaction at 25 degree C and 1 atm. N_2O_4(g) doubleheadarrow 2NO_2(g) Using the available data: (a) N_2O_4 (g) doubleheadarrow N_2(g) + 2O_2 (g), Delta G degree_rxn, 1 = Delta G degree_f, N_2O_4 = -23.41 kcal/mol (b) 0.5N_2(g) + O_2(g) doubleheadarrow NO_2(g), Delta G degree_rxn, 2 = -Delta G degree_f, NO_2 = -12.24kcal/mol
5. The solubility of CO2 in water at 25 °C and 1 atm is 0.034 mol/L, W CO2 in carbonated water, if CO2 has a partial pressure of 0.0003s solubility ot atmospheric conditions? (5 points) atm under normal 6. The atmosphere contains 0.93 mol% argon, what is the partial pressure of argon at normal conditions of 1 atm and 25 °C? If the solubility of argon in water is 0.0150 mo/L under normal atmospheric conditions, what is Henry's Law Constant...
A 1.00 L sample of dry air at 25 degree C and 786 mm Hg contains 0.925 g N_2 plus other gases including oxygen, argon, and carbon dioxide. A. What is the partial pressure (in mm Hg) of N_2 in the air sample? B. What is the mole fraction and mole percent of N_2 in the mixture? (Daltons law of partial pressures) Calculate the rms speed of O_2 molecules in a tank at 21 degree C and 15.7 atm.
The solubility of air in water is approximately 2.1 times 10^-3 M at 20 degree C and 1.0 atm. Calculate the Henry's law constant for air. Is the K_H value of air approximately equal to the sum of the K_H values of N_2 and O_2 because these two gases make up 99% of the gases in air? Yes No
What is the concentration (in mg/L) of dissolved O, in blood (or water) at this partial pressure and a normal body temperature of 37°C? The solubility of O2 in water at 37°C and 1atm partial pressure is 1.93 x 10 mol/L Express your answer using two significant figures. O AXO ? 0] mg/L Submit Request Answer
Calculate the concentration in units of mg/L for oxygen dissolved in 1050.0 mL of water at 25 °C, if the partial pressure of O2 in gas phase in equilibrium with the water is 238.1 mm Hg. Assume the density of water =1 g/mL
The solubility of CO2 in water at 25°C and 1 atm is 0.034 mol/L. What is its solubility at a partial pressure in air of 0.00049 atm? Assume that CO2 obeys Henry's law.
The solubility of CO2 in water at 25°C and 1 atm is 0.034 mol/L. What is its solubility at a partial pressure in air of 0.00047 atm? Assume that CO2 obeys Henry's law.