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What is the molar concentration (molarity) of nonelectrolyte solutes in the human body of the osmotic...
What is the molar concentration (molarity) of nonelectrolyte solutes in the human body if the osmotic...
What is the molar concentration (molarity) of nonelectrolyte solutes in the human body if the osmotic pressure of human blood is 7.53 atm at 37°C? R = 0.0821 (L.atm) / (mol.K) For the reaction, N2 (g) + 3 H2 (g) → 2 NH3 (g), the change in the standard free energy is – 33.32 J/mol. At 298 K, what is the value of K for this reaction?
The osmotic pressure of human blood is 7.60 atm. What mass of glucose, C6H12O6, is required...
The osmotic pressure of human blood is 7.60 atm. What mass of glucose, C6H12O6, is required to make a 2.00 L aqueous solution for intravenous feeding if the solution must have the same osmotic pressure as blood at body temperature, 37 degrees C? Show all work.
18. What osmotic pressure in atmospheres would you expect for each of the following solutions? a)...
18. What osmotic pressure in atmospheres would you expect for each of the following solutions? a) 5.00 g of NaCl in 350.0 mL of aqueous solution at 50 °C b) 6.33 g of sodium acetate, CH3CO2Na, in 55.0 mL of aqueous solution at 10 °C. 19. Human blood gives rise to an osmotic pressure of approximately 7.7 atm at body temperature, 37.0 °C. What must the molarity of an intravenous glucose solution be to give rise to the same osmotic...
28) 28) What is the osmotic pressure of a 0.25 M solution of sucrose at 37°C?...
28) 28) What is the osmotic pressure of a 0.25 M solution of sucrose at 37°C? (R = 0.0821 L-atm/K mol) A) 100 atm B) 6.4 atm 6.6 x 10-5 atm D) 940 atm E) 0.76 atm
Question 20 0/5 pts The osmotic pressure of blood is 7.65 atm at 37°C. If blood were considered a solution of NaCl,...
Question 20 0/5 pts The osmotic pressure of blood is 7.65 atm at 37°C. If blood were considered a solution of NaCl, what is the molar concentration of NaCl in blood? Assume an ideal van't Hoff factor Where: n = iMRT R is the ideal gas law constant (0.08205 bar mol K and T is the absolute temperature 23.2
1) At physiological temperature (37OC) the osmotic pressure of blood is 7.65 atm. What concentration (%...
1) At physiological temperature (37OC) the osmotic pressure of blood is 7.65 atm. What concentration (% W/V) of potassium chloride (KCl, MW = 74.5) solution has the same osmotic pressure of blood? Assume the specific gravity of the solution is 1. 2)An ophthalmic (eye drop) formulation contains 100 mEq of sodium chloride (molecular weight = 58.5 g/mole). Calculate the amount (in grams) of sodium chloride needed for the formulation. 3)Methanol (CH3OH, MW = 32) is a nonelectrolyte. What is the...
Question 16 Hydrochloric acid is prepared by bubbling hydrogen chloride gas through water. What is the...
Question 16 Hydrochloric acid is prepared by bubbling hydrogen chloride gas through water. What is the molarity of a solution prepared by dissolving 219 L of HCl(g) at 37°C and 8.91 atm in 5.99 L of water? Question 17 What is the molar mass of a gas if 1.33 grams of the gas in a 0.497 L flask at 425 K has a pressure of 1.59 atm? Use R = 0.0821 Latm/molK Question 19 A 60.3 gram piece of lead...
Questions I a) What is osmosis? b) What is dialysis? Can MgSO4 pass through? Explain. 2....
Questions I a) What is osmosis? b) What is dialysis? Can MgSO4 pass through? Explain. 2. Can starch pass through a dialyzing membrane? (Support your claim with evidence from the experiment.) 3. Explain why people who are adrift in a lifeboat without a supply of fresh water are advised not to drink ocean water. note - Ocean water is saltier than body fluids like blood plasma. 4. In terms of osmosis, what happens when fresh water is inhaled into a...
Buffers are common (and extremely important) in biological systems, including in human body. One of the...
Buffers are common (and extremely important) in biological systems, including in human body. One of the most important biological buffers in human blood is the buffer established between carbonic acid and bicarbonate ion (H2CO3/HCO3–). At 25 oC, H2CO3 has a Ka1 of 4.45x10–7 and a Ka2 of 4.69x10–11. a. Will Ka1 or Ka2 of H2CO3 be instrumental in determining blood pH? Briefly explain your reasoning. b. Let’s pretend that there was an equal ratio of carbonic acid to bicarbonate (note...
Red blood cells transport oxygen throughout our body. However, oxygen can also dissolve in blood plasma...
Red blood cells transport oxygen throughout our body. However, oxygen can also dissolve in blood plasma (Henry's law constant = 3.74 '10-2 mol/L atm at body temperature, 37°C). What is the concentration of oxygen in blood (M) for a scuba diver at a depth where the pressure is 2.0 atm. Assume the mole fraction of oxygen in the tank is 0.21. O 0.11 M 1.3 x 10-2M 7.8 x 10-3M 2.7 x 10-3M 1.6 x 10-2M
18. What osmotic pressure in atmospheres would you expect for each of the following solutions? a) 5.00 g of NaCl in 350.0 mL of aqueous solution at 50 °C b) 6.33 g of sodium acetate, CH3CO2Na, in 55.0 mL of aqueous solution at 10 °C. 19. Human blood gives rise to an osmotic pressure of approximately 7.7 atm at body temperature, 37.0 °C. What must the molarity of an intravenous glucose solution be to give rise to the same osmotic...
28) 28) What is the osmotic pressure of a 0.25 M solution of sucrose at 37°C? (R = 0.0821 L-atm/K mol) A) 100 atm B) 6.4 atm 6.6 x 10-5 atm D) 940 atm E) 0.76 atm
Question 20 0/5 pts The osmotic pressure of blood is 7.65 atm at 37°C. If blood were considered a solution of NaCl, what is the molar concentration of NaCl in blood? Assume an ideal van't Hoff factor Where: n = iMRT R is the ideal gas law constant (0.08205 bar mol K and T is the absolute temperature 23.2
Questions I a) What is osmosis? b) What is dialysis? Can MgSO4 pass through? Explain. 2. Can starch pass through a dialyzing membrane? (Support your claim with evidence from the experiment.) 3. Explain why people who are adrift in a lifeboat without a supply of fresh water are advised not to drink ocean water. note - Ocean water is saltier than body fluids like blood plasma. 4. In terms of osmosis, what happens when fresh water is inhaled into a...
Red blood cells transport oxygen throughout our body. However, oxygen can also dissolve in blood plasma (Henry's law constant = 3.74 '10-2 mol/L atm at body temperature, 37°C). What is the concentration of oxygen in blood (M) for a scuba diver at a depth where the pressure is 2.0 atm. Assume the mole fraction of oxygen in the tank is 0.21. O 0.11 M 1.3 x 10-2M 7.8 x 10-3M 2.7 x 10-3M 1.6 x 10-2M
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