a) Determine the saturation dissolved oxygen concentration at sea-level at 1 atm and 20° C in...
a) Determine the saturation dissolved oxygen concentration at sea-level at 1 atm and 20° C in units of ppm.
b) Determine the saturation DO near Santa Fe, NM (elevation = 7000 feet, atmospheric pressure = 0.8atm).
Homework Answers
[O2] = (0 .203atm)(1.39mmolO2/kg*atm)
[O2] = 0.282mmolO2/kg
[O2] = 9.03mgO2/Kg = 9.03PPM
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a) Determine the saturation dissolved oxygen concentration at
sea-level at 1 atm and 20° C in...
the equilibrium concentration of dissolved oxygen jn mg/L in Lake Titicaca. The elevation is 3.850 m...
the equilibrium concentration of dissolved oxygen jn mg/L in Lake Titicaca. The elevation is 3.850 m (atmospheric pressure = 0.62 atm)? Assume T-20 °C and K 0.62 atm)? Assume T-20 °C and Kn730 atm-L/mol. What would the concentration be with the same temperature at sea level? Explain the significance of this equation for a) developing and b) developed countries: 1 - (P)(A)(T)
Calculate the equilibrium concentration of dissolved oxygen in 25°C water at sea level (p = 1.00...
Calculate the equilibrium concentration of dissolved oxygen in 25°C water at sea level (p = 1.00 atm), and again at 4000 m elevation in 5°C water. [Use the exponential p vs. z equation provided in the lectures, not the empirical formula given in the textbook.] P(z)=P(O)exp(-z/H)
26 Calculate the equilibrium concentration of dissolved oxygen in 15°C water at 1 atm, and again...
26 Calculate the equilibrium concentration of dissolved oxygen in 15°C water at 1 atm, and again at 2,000 m elevation. Suppose the gas above the soda in a bottle of soft drink is pure CO2 at a pressure of 2 atm. Calculate (CO2) at 25°C. 27
The saturation concentration of dissolved oxygen in freshwater can be calculated with the equatio...
The saturation concentration of dissolved oxygen in freshwater can be calculated with the equation: In osf - -139.34411 +1.575701 x 10-6.642308 x 101.243800 x 1010 1-8.621949 x 10" 10101-8.621949 x 10 1 where, osf is the saturation concentration of dissolved oxygen in freshwater at I atm ( osf is in mg/liter); and Ta absolute temperature (K). According to this equation, saturation decreases with increasing temperature. For typical natural waters, the oxygen concentration ranges from 14.621 mg/liter at 0°C (273 K)...
The saturation concentration of dissolved oxygen in freshwater can be calculated with the equation, ln Osf...
The saturation concentration of dissolved oxygen in freshwater can be calculated with the equation, ln Osf = −139.34411 + 1.575701 × 105 Ta − 6.642308 × 107 T2 a + 1.243800 × 1010 T3 a − 8.621949 × 1011 T4 where Osf is the saturation concentration of dissolved oxygen in freshwater at 1 atm (mg/L) and Ta is the absolute temperature in Kelvin (K), where Ta = T + 273.15, where T is the temperature in Celsius (oC). According to...
The partial pressure of O2 in air at sea level is 0.21 atm. The solubility of...
The partial pressure of O2 in air at sea level is 0.21 atm. The solubility of O2 in water at 20 ∘C , at 1 atm gas pressure, is 1.38×10−3 M. Using Henry's law and the data in the introduction, calculate the molar concentration of O2 in the surface water of a mountain lake saturated with air at 20 ∘C and an atmospheric pressure of 660 torr .
2. The following data defines the sea-level concentration of dissolved oxygen for fresh water as ...
2. The following data defines the sea-level concentration of dissolved oxygen for fresh water as a function of temperature: T0 O 14.621 11.843 9.870 8.418 7.305 8 16 24 32 Write a MATLAB code for Lagrange Interpolation to find 1st degree and 2nd degree polyno- mial approximation to the value of O(27)
2. The following data defines the sea-level concentration of dissolved oxygen for fresh water as a function of temperature: T0 O 14.621 11.843 9.870 8.418 7.305 8 16...
Assuming that the atmospheric pressure at sea level is 1 atm, what is the pressure at...
Assuming that the atmospheric pressure at sea level is 1 atm, what is the pressure at a height of 500 m? Assume that at both levels the temperature is the same and equal to 300 K. 0.23 atm 0.06 atm 0.78 atm 0.94 atm
8. What is the difference in blood oxygen concentration between a person at sea level where the air pressure is 1.0 atm and the top of K2, where the total air pressure is 34.7 kPa? (You can assume the mole fraction of oxygen in air remains constant at 0.2
1. What is the difference in blood oxygen concentration between a person at sea level where the air pressure is 1.0 atm and the top of K2, where the total air pressure is 34.7 kPa? (You can assume the mole fraction of oxygen in air remains constant at 0.21 (or 21% of the total air pressure is oxygen), the temperature is 37 C, and that the solubility of oxygen in blood at 37 C is approximately 1.0 x 10-3 mol/L-atm.)
Ng the deep sea water presstre over the dissolved gases as the partial pressure of the gas exerti...
ng the deep sea water presstre over the dissolved gases as the partial pressure of the gas exerting er the liquid. What would be the molar concentration of oxygen gas, O2(g). in M, dissolved in the blood circulation system of Ahmed Gabr, who set the record to dive down to a depth of 332 meters under the sea in 2014 atm 760 mmHg 10.336 meter H2O column. The Henry's law constant for oxygen gas, O2(g): k110: 1.3 x 10-3 M/atm...
the equilibrium concentration of dissolved oxygen jn mg/L in Lake Titicaca. The elevation is 3.850 m (atmospheric pressure = 0.62 atm)? Assume T-20 °C and K 0.62 atm)? Assume T-20 °C and Kn730 atm-L/mol. What would the concentration be with the same temperature at sea level? Explain the significance of this equation for a) developing and b) developed countries: 1 - (P)(A)(T)
Calculate the equilibrium concentration of dissolved oxygen in 25°C water at sea level (p = 1.00 atm), and again at 4000 m elevation in 5°C water. [Use the exponential p vs. z equation provided in the lectures, not the empirical formula given in the textbook.] P(z)=P(O)exp(-z/H)
26 Calculate the equilibrium concentration of dissolved oxygen in 15°C water at 1 atm, and again at 2,000 m elevation. Suppose the gas above the soda in a bottle of soft drink is pure CO2 at a pressure of 2 atm. Calculate (CO2) at 25°C. 27
The saturation concentration of dissolved oxygen in freshwater can be calculated with the equation: In osf - -139.34411 +1.575701 x 10-6.642308 x 101.243800 x 1010 1-8.621949 x 10" 10101-8.621949 x 10 1 where, osf is the saturation concentration of dissolved oxygen in freshwater at I atm ( osf is in mg/liter); and Ta absolute temperature (K). According to this equation, saturation decreases with increasing temperature. For typical natural waters, the oxygen concentration ranges from 14.621 mg/liter at 0°C (273 K)...
2. The following data defines the sea-level concentration of dissolved oxygen for fresh water as a function of temperature: T0 O 14.621 11.843 9.870 8.418 7.305 8 16 24 32 Write a MATLAB code for Lagrange Interpolation to find 1st degree and 2nd degree polyno- mial approximation to the value of O(27)
2. The following data defines the sea-level concentration of dissolved oxygen for fresh water as a function of temperature: T0 O 14.621 11.843 9.870 8.418 7.305 8 16...
Assuming that the atmospheric pressure at sea level is 1 atm, what is the pressure at a height of 500 m? Assume that at both levels the temperature is the same and equal to 300 K. 0.23 atm 0.06 atm 0.78 atm 0.94 atm
ng the deep sea water presstre over the dissolved gases as the partial pressure of the gas exerting er the liquid. What would be the molar concentration of oxygen gas, O2(g). in M, dissolved in the blood circulation system of Ahmed Gabr, who set the record to dive down to a depth of 332 meters under the sea in 2014 atm 760 mmHg 10.336 meter H2O column. The Henry's law constant for oxygen gas, O2(g): k110: 1.3 x 10-3 M/atm...
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