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QUESTION 1 The following graph (fig. 10-7 from your textbook) displays the molar solubility of carbon...
Use Henry's law to determine the molar solubility of helium at a pressure of 1.1 atm...
Use Henry's law to determine the molar solubility of helium at a pressure of 1.1 atm and 25 degree C. Henry's law constant for helium gas in water at 25 degree C is 3.70-10^-4 M/atm. You can treat Henry's law constant as an equilibrium constant. The goal of this problem is to find the concentration of helium dissolved in water that would be in equilibrium with the helium pressure over the water of 1.1 atm according to K = [He/P_He].
1- A mixture of hydrogen and argon gases, in a 8.69 L flask at 77 °C,...
1- A mixture of hydrogen and argon gases, in a 8.69 L flask at 77 °C, contains 0.477 grams of hydrogen and 7.10 grams of argon. The partial pressure of argon in the flask is ____ atm and the total pressure in the flask is ____ atm. 2- A mixture of methane and carbon dioxide gases is maintained in a 7.86 L flask at a pressure of 1.93 atm and a temperature of 39 °C. If the gas mixture contains...
Enter your answer in the provided box. The formula that governs the concentration of gas dissolved...
Enter your answer in the provided box. The formula that governs the concentration of gas dissolved in a solvent based on its pressure is given by Henry's Law: C= KP Where: C = solubility of a gas at a fixed temperature (in mol/L, M) k= Henry's Law constant (in units of mol/L • atm) P = partial pressure of the gas (in units of atm) How many grams of carbon dioxide gas is dissolved in a 290-ml can of cola...
Henry’s law states that the solubility of a gas is directly proportional to the partial pressure...
Henry’s law states that the solubility of a gas is directly proportional to the partial pressure of the gas if the temperature is constant. Hyperbaric chambers, which provide high pressures (up to 6 atm) of either air or pure oxygen, are used to treat a variety of conditions, ranging from decompression sickness in deep-sea divers to carbon monoxide poisoning. Look up the Henry’s Law Constant (kH) for N2, O2, and CO2 in the textbook. a) Calculate the solubility (concentration in...
2a Calculate the freezing point of a solution that is made from 39.9 g of a...
2a Calculate the freezing point of a solution that is made from 39.9 g of a nonelectrolyte (ℳ = 142.4701 g/mol) dissolved in 186.3 g of solvent. The solvent freezes at 1.24 °C and its Kf value is 2.09 °C/m. Report your answer to TWO places past the decimal. 2b The solubility of carbon dioxide gas at 37.3 °C and a carbon dioxide pressure of 554 mmHg is 4.04 × 10−3 g/L. What is the Henry's Law constant in mol⋅L−1⋅atm−1?...
3a. Calculate the required mass of an unknown nonelectrolyte (ℳ = 125.7998 g/mol) dissolved in 12...
3a. Calculate the required mass of an unknown nonelectrolyte (ℳ = 125.7998 g/mol) dissolved in 129.7 g of solvent that gives a solution that freezes at 1.85 °C. The freezing point of the pure solvent is 4.44 °C and its Kf value is 1.87 °C/m. Report your answer to TWO places past the decimal. 3b. Calculate the molar mass (in g/mol) of an unknown nonelectrolyte if 0.613 g dissolved in 250.3 mL of water at 19.47 °C has an osmotic...
1. Potassium nitrate has a lattice energy of -163.8 kcal/mol and a heat of hydration of...
1. Potassium nitrate has a lattice energy of -163.8 kcal/mol and a heat of hydration of -155.5 kcal/mol. How much potassium nitrate has to dissolve in water to absorb 112 kJof heat? 2. Calculate the mass of nitrogen dissolved at room temperature in an 97.0 Lhome aquarium. Assume a total pressure of 1.0 atmand a mole fraction for nitrogen of 0.78. 3. Use Henry's law to determine the molar solubility of helium at a pressure of 2.0 atmand 25 ∘C....
need #7-10 answered 6. The solubility of nitrogen gas at 25°C and a nitrogen pressure of...
need #7-10 answered
6. The solubility of nitrogen gas at 25°C and a nitrogen pressure of 522 mmHg is 4.7 x 10 mol/L. What is the value of the Henry's Law constant in mol/L-atm? A) 6.8 × 10-4 mol/L-atm B) 4.7 x 10 mol/L-atm C) 3.2 × 104 moVL-atm D) 9.0 x 10 mol/L atm E) 1.5 x 10mol/L atm 7. According to Raoult's law, which statement is false? A) The vapor pressure of a solvent over a solution decreases...
18. Pure carbon dioxide (Pco2 = 1 atm) decomposes at high temperature. For the reaction system...
18. Pure carbon dioxide (Pco2 = 1 atm) decomposes at high temperature. For the reaction system 2 CO2(9) #2 CO(g) + O2(9) the percentage of carbon dioxide that undergoes the decomposition reaction is as follows: Temperature Decomposition (K) 1500 0.048 2500 17.6 3000 54.8 Is this reaction endothermic? Calculate the value of K, at each temperature. 19. Elements of Group 16 form hydrides with the generic formula H.X. When gaseous H,X is bubbled through a solution that is strongly acidic,...
If 0.1 g of Ferric sulfate Fe_2(SO_4)_3 is added to 1 L of water, Express the...
If 0.1 g of Ferric sulfate Fe_2(SO_4)_3 is added to 1 L of water, Express the concentration of Ferric sulfate in the following in terms of (a) mg/L, (b) ppm, (c) molarity, (d) % weight (Assume the specific gravity of solution is 1.0) A 10-litre cylinder containing 500 g of chlorine gas is to be used for disinfection of water. What will be the pressure inside the cylinder at a temperature of 20 degree C? A digester gas holding tank...
Use Henry's law to determine the molar solubility of helium at a pressure of 1.1 atm and 25 degree C. Henry's law constant for helium gas in water at 25 degree C is 3.70-10^-4 M/atm. You can treat Henry's law constant as an equilibrium constant. The goal of this problem is to find the concentration of helium dissolved in water that would be in equilibrium with the helium pressure over the water of 1.1 atm according to K = [He/P_He].
Enter your answer in the provided box. The formula that governs the concentration of gas dissolved in a solvent based on its pressure is given by Henry's Law: C= KP Where: C = solubility of a gas at a fixed temperature (in mol/L, M) k= Henry's Law constant (in units of mol/L • atm) P = partial pressure of the gas (in units of atm) How many grams of carbon dioxide gas is dissolved in a 290-ml can of cola...
need #7-10 answered
6. The solubility of nitrogen gas at 25°C and a nitrogen pressure of 522 mmHg is 4.7 x 10 mol/L. What is the value of the Henry's Law constant in mol/L-atm? A) 6.8 × 10-4 mol/L-atm B) 4.7 x 10 mol/L-atm C) 3.2 × 104 moVL-atm D) 9.0 x 10 mol/L atm E) 1.5 x 10mol/L atm 7. According to Raoult's law, which statement is false? A) The vapor pressure of a solvent over a solution decreases...
18. Pure carbon dioxide (Pco2 = 1 atm) decomposes at high temperature. For the reaction system 2 CO2(9) #2 CO(g) + O2(9) the percentage of carbon dioxide that undergoes the decomposition reaction is as follows: Temperature Decomposition (K) 1500 0.048 2500 17.6 3000 54.8 Is this reaction endothermic? Calculate the value of K, at each temperature. 19. Elements of Group 16 form hydrides with the generic formula H.X. When gaseous H,X is bubbled through a solution that is strongly acidic,...
If 0.1 g of Ferric sulfate Fe_2(SO_4)_3 is added to 1 L of water, Express the concentration of Ferric sulfate in the following in terms of (a) mg/L, (b) ppm, (c) molarity, (d) % weight (Assume the specific gravity of solution is 1.0) A 10-litre cylinder containing 500 g of chlorine gas is to be used for disinfection of water. What will be the pressure inside the cylinder at a temperature of 20 degree C? A digester gas holding tank...
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