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bluesalmon109
Lv1
29 Dec 2022
S_1 = k H P_1 S_2 = K H P_2 A liter of water at 25 degree C decreases 0.0404 g O_2 when the partial measure of oxygen to 1.00 atm, what is the solubility of oxygen from air, in which the partial pressure of O_2 to 159 mm Hg?
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Related questions
The amount off oxygen present in the blood depends in part on the partial pressure of inspired oxygen in the trachea, P_Ioc. This can be calculated from the barometric pressure, the fraction of O_2 molecules in dry air, and the vapor pressure of water at body temperature (because inhaled air is humidified in the trachea). 20.9% of the molecules in dry air are O_2, molecules and the vapor pressure of water at body temperature (37 degree C) is 47 mm Hg. Taking the total pressure of the humidified inhaled air to be equal to the barometric pressure, calculate the P_Ioc for a person in Albuquerque, NM (elevation 1620 meters), if the prevailing barometric pressure is 608 mm Hg. P_Ioc = mm Hg A mixture of hydrogen and krypton gases is maintained in a 8.75L flask at a temperature of 14 degree C. If the partial pressure of hydrogen is 0.294 atm and the partial pressure of krypton is 0.364 atm, what is the total pressure in the flask? atm
Hydrogen sulfide decomposes according to the reaction 2H_2S(g) rightarrow 2H_2(g) + S_2(g). For this reaction 298K, Delta S degree = 78.1 J/K, Delta H degree = 169.4 kJ, and Delta G degree = 146.1 kJ. What is the value of Delta G degree at 900 K? a) -69, 881 kJ b) 48.4 kJ c) 99.1 kJ d) 240 kJ e) 441 kJ In which of the following solutions would the solubility of calcium carbonate, CaCO_3, be the a) pure water b) 0.1 M calcium chloride c) 0.5 M sodium chloride d) 0.2 M sodium carbonate e) 0.1 M HCl The element oxygen was prepared by Joseph Priestley in 1774 by heating mercury (II) oxide. HgO(s) rightarrow Hg(l) + (1/2)O_2(g), Delta H degree = 90.84 kJ/mol. Estimate the temperature at which this reaction will become spontaneous under standard state conditions. S degree(Hg) = 76.02 J/K middot mol S degree(O_2) = 205.0 J/K middot mol S degree(HgO) = 70.29 J/K middot mol a) 108 K b) 430 K c) 620 K d) 775 K e) 840 K
The Henry's law constant for O_2 in water at 25 degree C is 1.66 times 10^6 M/mm Hg. What partial pressure of O_2 is necessary to achieve an equilibrium concentration of 0.200 M O_2? a) 3.32 times 10^-7 mm Hg b) 1.65 times 10^3 mm Hg c) 1.20 times 10^5 mm Hg d) 3.01 times 10^6 mm Hg e) 8.30 times 10^6 mm Hg Answer e. The mole fraction of water in 80 proof alcohol is 0.79. If the vapor pressure of pure water at 25 degree C is 23.8 mm Hg, what is the partial pressure of water in 80 proof alcohol? Assume ideal behavior for the solution. a) 0.63 mm Hg b) 19 mm Hg c) 29 mm Hg d) 51 mm Hg e) 71 mm Hg Answer ; b What is the freezing point of a solution containing 5.663 grams naphthalene molar mass = 128.2 g/mol dissolved in 32.0 grams paradichlorobenze? the freezing point of pure paradichlorobenze is 53.0 degree C and the freezing point depression constant, K_fp, is + 7.10 degree C/m. a) 43.2 degree C b. 47.0 degree C c) 1.7 degree C d) 53.0 degree C e) 69.1 degree C
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