1. What is the freezing point of water made by dissolving 17.62 g of sodium chloride...
1. What is the freezing point of water made by dissolving 17.62 g of sodium chloride in 86.47 g of water? The freezing-point depression constant of water is 1.86 oC/m.
2. The decay of carbon-14 is first order with a half life is 5657 years. How much of 1.3449 g sample would remain after 9221 years?
3. If the value of KC for the reaction:
2O3(g) --> 3O2(g) is 0.004936,
what is the value KP at a temperature of 54.20oC?
4. The value of Kc for the reaction of dinitrogen tetroxide to make nitrogen dioxide is 2.4771. The concentration of nitrogen dioxide 1.3037 M with no dinitrogen tetroxide. What is the equilibrium concentration (in M) of nitrogen dioxide?
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1. What is the freezing point of water made by dissolving 17.62
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17 Marks: 1 What is the freezing point of water made by dissolving 10.74 g of...
17 Marks: 1 What is the freezing point of water made by dissolving 10.74 g of magnesium chloride in 86.59 g of water? The freezing-point depression constant of water is 1.86 °CIm Answer: 18 Marks: 1 What is the freezing point of water made by dissolving 16.31 g of sodium chloride in 93.18 g of water? The freezing-point depression constant of water is 1.86 °C/m. Answer 19 Marks: 1 What is the freezing point of water made by dissolving 46.18...
What is the freezing point of water made by dissolving 46.62 g of sugar (C12H22O11) in...
What is the freezing point of water made by dissolving 46.62 g of sugar (C12H22O11) in 91.32 g of water? The freezing-point depression constant of water is 1.86 oC/m.
What is the freezing point (°C) of a solution prepared by dissolving 11.3 g of in 115 g of water? [Use these Molar Mass...
What is the freezing point (°C) of a solution prepared by dissolving 11.3 g of in 115 g of water? [Use these Molar Masses: Ca = 40, N = 14, O = 16. Also, the molal freezing point depression constant for water is 1.86 °C/m.]
Could someone help me solve problems 16 and 17? Thanks What is the freezing point of...
Could someone help me solve problems 16 and 17?
Thanks
What is the freezing point of water made by dissolving 16.63 g of ethylene glycol (CH_2(OH)CH_2(OH)) in 86.97 g of water? The freezing-point depression constant of water is 1.86 degree C/m. Answer: What is the freezing Point water made by dissolving 13.98 g of magnesium chloride in 85.25 g of water? The freezing-point depression constant of water is 1.86 degree C/m. Answer:
Tried Every Answer. Nothing Seems To Work. Please Help! Thanks Marks: 0/1 What is the freezing...
Tried Every Answer. Nothing Seems To Work. Please Help!
Thanks
Marks: 0/1 What is the freezing point of water made by dissolving 15.07 g of magnesium chloride in 93.88 g of water? The freezing point depression constant of water is 1 86 °C/m Answer Submit Incorrect Marks for this submission 1 18 Marks: 0/1 What is the freezing point of water made by dissolving 18.68 g of sodium chloride in 91.68 g of water? The freezing point depression constant of...
Calculate the freezing point (in degrees C) of a solution made by dissolving 2.56 g of...
Calculate the freezing point (in degrees C) of a solution made by dissolving 2.56 g of sucrose in 37.2 g of water. The Kfp of the solvent is 1.86 K/m and the normal freezing point is 273 K. Enter your answer to 2 decimal places.
1 point What is the freezing point of an aqueous solution prepared by dissolving 113 g...
1 point What is the freezing point of an aqueous solution prepared by dissolving 113 g potassium carbonate (K,CO3, 138 g/mol) in 2.50 kg water. Use the ideal van 't Hoff factor. [K (water) - 1.86 °C/m) -1.83 °C +1.83 °C -0.609 °C -1.23 °C Previous Submit
What is the freezing point and boiling point in Celsius of a solution 400 g of...
What is the freezing point and boiling point in Celsius of a solution 400 g of ethylene glycol (MW=62 g/mol) dissolved in 500 g of water? The molal freezing point depression constant for water is 1.86 C/m The molal boiling point elevation constant of water is 0.512 C/m Please explain steps
The freezing point depression constant of water is -1.86 C/m. If 7.50 g NaCl is dissolved...
The freezing point depression constant of water is -1.86 C/m. If 7.50 g NaCl is dissolved in 45.0 g H, O, the freezing point is changed by -9.71 *C. Calculate the van't Hoff factor for Naci. Select one: O a. 1,00 . OOOO c. 1.83
A solution is made by dissolving 0.592 mol of nonelectrolyte solute in 767 g of benzene....
A solution is made by dissolving 0.592 mol of nonelectrolyte solute in 767 g of benzene. Calculate the freezing point, Te, and boiling point, Tb, of the solution. Constants can be found in the table of colligative constants. T = Colligative Constants Constants for freezing-point depression and boiling-point elevation calculations at 1 atm: Solvent Formula Kf value* Normal freezing Kb value Normal boiling (°C/m) point (°C) (°C/m) point (°C) water H20 1.86 0.00 0.512 100.00 benzene 5.12 5.49 2.53 80.1...
17 Marks: 1 What is the freezing point of water made by dissolving 10.74 g of magnesium chloride in 86.59 g of water? The freezing-point depression constant of water is 1.86 °CIm Answer: 18 Marks: 1 What is the freezing point of water made by dissolving 16.31 g of sodium chloride in 93.18 g of water? The freezing-point depression constant of water is 1.86 °C/m. Answer 19 Marks: 1 What is the freezing point of water made by dissolving 46.18...
Could someone help me solve problems 16 and 17?
Thanks
What is the freezing point of water made by dissolving 16.63 g of ethylene glycol (CH_2(OH)CH_2(OH)) in 86.97 g of water? The freezing-point depression constant of water is 1.86 degree C/m. Answer: What is the freezing Point water made by dissolving 13.98 g of magnesium chloride in 85.25 g of water? The freezing-point depression constant of water is 1.86 degree C/m. Answer:
Tried Every Answer. Nothing Seems To Work. Please Help!
Thanks
Marks: 0/1 What is the freezing point of water made by dissolving 15.07 g of magnesium chloride in 93.88 g of water? The freezing point depression constant of water is 1 86 °C/m Answer Submit Incorrect Marks for this submission 1 18 Marks: 0/1 What is the freezing point of water made by dissolving 18.68 g of sodium chloride in 91.68 g of water? The freezing point depression constant of...
1 point What is the freezing point of an aqueous solution prepared by dissolving 113 g potassium carbonate (K,CO3, 138 g/mol) in 2.50 kg water. Use the ideal van 't Hoff factor. [K (water) - 1.86 °C/m) -1.83 °C +1.83 °C -0.609 °C -1.23 °C Previous Submit
The freezing point depression constant of water is -1.86 C/m. If 7.50 g NaCl is dissolved in 45.0 g H, O, the freezing point is changed by -9.71 *C. Calculate the van't Hoff factor for Naci. Select one: O a. 1,00 . OOOO c. 1.83
A solution is made by dissolving 0.592 mol of nonelectrolyte solute in 767 g of benzene. Calculate the freezing point, Te, and boiling point, Tb, of the solution. Constants can be found in the table of colligative constants. T = Colligative Constants Constants for freezing-point depression and boiling-point elevation calculations at 1 atm: Solvent Formula Kf value* Normal freezing Kb value Normal boiling (°C/m) point (°C) (°C/m) point (°C) water H20 1.86 0.00 0.512 100.00 benzene 5.12 5.49 2.53 80.1...
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