The diffusion of oxygen (O2) through living tissue is often first approximated as the diffusion of...
The diffusion of oxygen (O2) through living tissue is often first
approximated as the diffusion of
dissolved O2 in liquid water. Estimate the diffusion of O2 in water
by the Wilke-Chang correlation
at 37℃.
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The diffusion of oxygen (O2) through living tissue is often first
approximated as the diffusion of...
When air (21 mol% O2, 79 mol% N2) is placed in contact with 1000 cm3 of...
When air (21 mol% O2, 79 mol% N2) is placed in contact with 1000 cm3 of liquid water at body temperature, 37°C, and 1 atm absolute, approximately 14.1 standard cubic centimeters [cm3(STP)] of gas are absorbed in the water at equilibrium. Subsequent analysis of the liquid reveals that 33.4 mol% of the dissolved gas is oxygen and the balance is oxygen a) Estimate the Henry’s law coefficients (atm/mole fraction) of oxygen and nitrogen at 37°C b) An adult absorbs approximately...
The diffusion constant of oxygen through water is an important limiting factor in the size of...
The diffusion constant of oxygen through water is an important limiting factor in the size of organisms that do not have active transport mechanisms to circulate oxygen through their systems. The diffusion constant or oxygen through water is 8 x 10-10 m2s-1. one average, how long does it take for an oxygen molecule to diffuse 1 mm through water?
Molecular oxygen (O2), which is required for the production of ATP by mitochondria, must pass through...
Molecular oxygen (O2), which is required for the production of ATP by mitochondria, must pass through at least three membranes to get to the enzymes where it is used. O2 is also produced in chloroplasts and must pass through at least four membranes to be released from the plant. How does O2 reach mitochondria and escape chloroplasts? A. Secondary active transport B. Using endomembrane system vesicles C. Passive diffusion D. Primary active transport It undergoes a chemical reaction that binds...
) Oxygen gas is reduced to water: O2 +4H+4e2H20. If each gram of 20. 06 pt \ rluscle tissue consumes O2 at a rate of 12.0 μmol/min, what rate does it consume glucose (glucose being its only fuel)...
) Oxygen gas is reduced to water: O2 +4H+4e2H20. If each gram of 20. 06 pt \ rluscle tissue consumes O2 at a rate of 12.0 μmol/min, what rate does it consume glucose (glucose being its only fuel), and what rate does it produce ATP?
) Oxygen gas is reduced to water: O2 +4H+4e2H20. If each gram of 20. 06 pt \ rluscle tissue consumes O2 at a rate of 12.0 μmol/min, what rate does it consume glucose (glucose being...
When air (=21 mole% O2, 79 mole% N2) is placed in contact with 1000 cm3 of...
When air (=21 mole% O2, 79 mole% N2) is placed in contact with 1000 cm3 of liquid water at body temperature, 36.9C, and 1 atm absolute, approximately 14.1 standard cubic centimeters [cm3(STP)] of gas are absorbed in the water at equilibrium. Subsequent analysis of the liquid reveals that 33.4 mole% of the dissolved gas is oxygen and the balanceis nitrogen. (a) Estimate the Henry's law coefficients (atm/mole fraction) of oxygen and nitrogen at 36.9C. (b) An adult absorbs approximately 0.4...
9. Henry's Law states that the quantity of a gas that will dissolve in a liquid...
9. Henry's Law states that the quantity of a gas that will dissolve in a liquid is proportional to the partial pressure of the gas and its solubility coefficient (its physical or chemical attraction for water), at a given temperature a) Henry's Law: The volume of a gas (Vx) dissolved in a liter of water is Vx= (p3)*(SC) where pX is the partial pressure in atmospheres and SC is the solubility coefficient b) At one atmosphere and 37 degrees Celsius,...
Electric generating plants transport large amounts of hot water through metal pipes, and oxygen dissolved in...
Electric generating plants transport large amounts of hot water through metal pipes, and oxygen dissolved in the water can cause a major corrosion problem. Hydrazine (N2H) added to the water avoids the problem by reacting with the oxygen: N2H (aq) + O2(g) + N29) + 2 H2O(1) About 4 x 10' kg of hydrazine is produced every year by reacting ammonia with sodium hypochlorite in the Raschig process: 2 NH3(aq) + NaOCl(aq) + N2H4(aq) + NaCl(aq) + H2O(1) AH =-150...
Experiment 1: Diffusion through Gelatin Data Tables Purpose (What question is this experiment designed to answer?):...
Experiment 1: Diffusion through Gelatin
Data Tables
Purpose (What question is this experiment
designed to answer?):
Hypothesis (Based on what you’ve learned in the
pre-lab materials, write and If/Then statement regarding the
outcome of this experiment.):
Table 1: Diffusion Data
Test Tube
Distance After 4 Hours (mm)
Distance After 24 Hours (mm)
A
B
C
Claim (What are the results of your
experiment?):
Evidence (What data did you collect that
supports your claim? Explain the meaning behind the data and...
5. Drinking a few drops of a commercial preparation called “vitamin O,” which consists of oxygen...
5. Drinking a few drops of a commercial preparation called “vitamin O,” which consists of oxygen and sodium chloride dissolved in water, is claimed to increase the concentration of oxygen in the body. (a) Use your knowledge of oxygen transport to evaluate this claim. (b) Would vitamin O be effective if it were infused directly into the bloodstream? 6. Explain why long-distance runners prefer to train at high altitude even when the race is to be held at sea level....
Questions 1 and 2 Ionescent molten lava. Living LIVE II only a limited portion of the...
Questions 1 and 2
Ionescent molten lava. Living LIVE II only a limited portion of the Earth's temperature range. In fact, the activities of life are possible only in the range from around 0°C (the freezing point of water) to 100°C (the boiling point of water). Of course, there are always exceptions to this rule. In some instances, life can survive at temperatures well below freezing and some organisms are adapted to very high temperatures. PROCEDURE (GENERAL EXPERIMENTAL SET-UP) Just...
) Oxygen gas is reduced to water: O2 +4H+4e2H20. If each gram of 20. 06 pt \ rluscle tissue consumes O2 at a rate of 12.0 μmol/min, what rate does it consume glucose (glucose being its only fuel), and what rate does it produce ATP?
) Oxygen gas is reduced to water: O2 +4H+4e2H20. If each gram of 20. 06 pt \ rluscle tissue consumes O2 at a rate of 12.0 μmol/min, what rate does it consume glucose (glucose being...
9. Henry's Law states that the quantity of a gas that will dissolve in a liquid is proportional to the partial pressure of the gas and its solubility coefficient (its physical or chemical attraction for water), at a given temperature a) Henry's Law: The volume of a gas (Vx) dissolved in a liter of water is Vx= (p3)*(SC) where pX is the partial pressure in atmospheres and SC is the solubility coefficient b) At one atmosphere and 37 degrees Celsius,...
Electric generating plants transport large amounts of hot water through metal pipes, and oxygen dissolved in the water can cause a major corrosion problem. Hydrazine (N2H) added to the water avoids the problem by reacting with the oxygen: N2H (aq) + O2(g) + N29) + 2 H2O(1) About 4 x 10' kg of hydrazine is produced every year by reacting ammonia with sodium hypochlorite in the Raschig process: 2 NH3(aq) + NaOCl(aq) + N2H4(aq) + NaCl(aq) + H2O(1) AH =-150...
Experiment 1: Diffusion through Gelatin
Data Tables
Purpose (What question is this experiment
designed to answer?):
Hypothesis (Based on what you’ve learned in the
pre-lab materials, write and If/Then statement regarding the
outcome of this experiment.):
Table 1: Diffusion Data
Test Tube
Distance After 4 Hours (mm)
Distance After 24 Hours (mm)
A
B
C
Claim (What are the results of your
experiment?):
Evidence (What data did you collect that
supports your claim? Explain the meaning behind the data and...
Questions 1 and 2
Ionescent molten lava. Living LIVE II only a limited portion of the Earth's temperature range. In fact, the activities of life are possible only in the range from around 0°C (the freezing point of water) to 100°C (the boiling point of water). Of course, there are always exceptions to this rule. In some instances, life can survive at temperatures well below freezing and some organisms are adapted to very high temperatures. PROCEDURE (GENERAL EXPERIMENTAL SET-UP) Just...
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