a liquid typically boils at 200 C. if an insoluble salt is added to the liquid,...
a liquid typically boils at 200 C. if an insoluble salt is added to the liquid, its new boiling point will be: A) Greater than 200 C B) less than 200 C C) 200 C D) Not enough info
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Question 17 of 37 Submit A liquid typically boils at 200 °C. If an insoluble salt...
Question 17 of 37 Submit A liquid typically boils at 200 °C. If an insoluble salt is added to the liquid, its new boiling point will be: se. A) Greater than 200 °C B) Less than 200 °C C) 200 °C alse. mnt. ht.... D) Not enough info in cal d 12423091 étv A W
Ethanol boils at 78.4°C, water boils at 100°C, but it forms a positive azeotrope that boils at 78.2°C, which is lower t...
Ethanol boils at 78.4°C, water boils at 100°C, but it forms a positive azeotrope that boils at 78.2°C, which is lower than for either of its constituents. If you start from a mash that has 10% alcohol content, how many distillation steps do you require to get to 40% alcohol (typical for Vodka)? (use the figure below to sketch the steps). How many steps would be required to make Whiskey with 60% alcohol? Why can you not make a solution...
At 1 atm pressure, Substance E boils at - 50. degree C and Substance F boils...
At 1 atm pressure, Substance E boils at - 50. degree C and Substance F boils at - 87 degree C. Which has a higher enthalpy of vaporization? Substanc E Substance F Neither, E and F have the same enthalpy of vaporization. It's impossible to know without more information. At 17 degree C, substance C has a vapor pressure of 125. torr and Substance D has a vapor pressure of 115. torr Which has a higher boiling point? Substance C...
n Hum and copper to answer this question Heat is added to a solid substance at...
n Hum and copper to answer this question Heat is added to a solid substance at a constant rate. added. The graph shows the temperature of the substance as heat is E. Heat Added Which part of the graph is representative of the liquid state? A) A в) в C) C D) D Based on the graph above, which of the following statements is correct? A) The heat of required to warm the solid up the melting point is the...
Distillation 11 4. The organic liaud in Sicam distillatior vaporites at: a) Lower temperature than its...
Distillation 11 4. The organic liaud in Sicam distillatior vaporites at: a) Lower temperature than its boiling point b) Higher temperature than its boiling point c) At its boiling point d) None of the mentioned 2. In steam distillation, the liquid boils when th allation, the liquid boils when the sum of the organic liquid vapor pressure and the water vapor pressure is: a) Greater than atmospheric pressure b) Lesser than atmospheric pressure Equals to atmospheric pressure d) None of...
What is the enthalpy of vaporization if a liquid has a normal boiling point of 118.0...
What is the enthalpy of vaporization if a liquid has a normal boiling point of 118.0 C and at 2.54 atmospheres has a boiling point of 147.0 C? A. -43.9 kJ/mol B. -4.64 kJ/mol C. 4.64 kJ/mol D. 43.9 kJ/mol E. Not enough info provided
8. While methanol boils at a temperature of 65 °C, water boils at a temperature of...
8. While methanol boils at a temperature of 65 °C, water boils at a temperature of 100 °C. What is the best explanation for the higher boiling point of water? A Dispersion forces and dipole-dipole forces, but not hydrogen bonding B. Dipole-dipole forces, but not hydrogen bonding C. Dispersion forces and hydrogen bonding D. Dispersion forces E. Hydrogen bonding
The water in a pressure cooker boils at a temperature greater than 100°C because it is...
The water in a pressure cooker boils at a temperature greater than 100°C because it is under pressure. At this higher temperature, the chemical reactions associated with the cooking of food take place at a greater rate. (a) Some food cooks fully in 7.00 min in a pressure cooker at 120.0°C and in 70.0 minutes in an open pot at 100.0°C. Calculate the average activation energy for the reactions associated with the cooking of this food. kJ mol-1 (b) How...
The water in a pressure cooker boils at a temperature greater than 100°C because it is...
The water in a pressure cooker boils at a temperature greater than 100°C because it is under pressure. At this higher temperature, the chemical reactions associated with the cooking of food take place at a greater rate. (a) Some food cooks fully in 8.00 min in a pressure cooker at 111.0°C and in 24.0 minutes in an open pot at 100.0°C. Calculate the average activation energy for the reactions associated with the cooking of this food. ____kJ mol-1 (b) How...
The water in a pressure cooker boils at a temperature greater than 100°C because it is...
The water in a pressure cooker boils at a temperature greater than 100°C because it is under pressure. At this higher temperature, the chemical reactions associated with the cooking of food take place at a greater rate. (a) Some food cooks fully in 5.00 min in a pressure cooker at 114.0°C and in 25.0 minutes in an open pot at 100.0°C. Calculate the average activation energy for the reactions associated with the cooking of this food. _______ kJ mol-1 (b)...
Question 17 of 37 Submit A liquid typically boils at 200 °C. If an insoluble salt is added to the liquid, its new boiling point will be: se. A) Greater than 200 °C B) Less than 200 °C C) 200 °C alse. mnt. ht.... D) Not enough info in cal d 12423091 étv A W
Ethanol boils at 78.4°C, water boils at 100°C, but it forms a positive azeotrope that boils at 78.2°C, which is lower than for either of its constituents. If you start from a mash that has 10% alcohol content, how many distillation steps do you require to get to 40% alcohol (typical for Vodka)? (use the figure below to sketch the steps). How many steps would be required to make Whiskey with 60% alcohol? Why can you not make a solution...
At 1 atm pressure, Substance E boils at - 50. degree C and Substance F boils at - 87 degree C. Which has a higher enthalpy of vaporization? Substanc E Substance F Neither, E and F have the same enthalpy of vaporization. It's impossible to know without more information. At 17 degree C, substance C has a vapor pressure of 125. torr and Substance D has a vapor pressure of 115. torr Which has a higher boiling point? Substance C...
n Hum and copper to answer this question Heat is added to a solid substance at a constant rate. added. The graph shows the temperature of the substance as heat is E. Heat Added Which part of the graph is representative of the liquid state? A) A в) в C) C D) D Based on the graph above, which of the following statements is correct? A) The heat of required to warm the solid up the melting point is the...
Distillation 11 4. The organic liaud in Sicam distillatior vaporites at: a) Lower temperature than its boiling point b) Higher temperature than its boiling point c) At its boiling point d) None of the mentioned 2. In steam distillation, the liquid boils when th allation, the liquid boils when the sum of the organic liquid vapor pressure and the water vapor pressure is: a) Greater than atmospheric pressure b) Lesser than atmospheric pressure Equals to atmospheric pressure d) None of...
8. While methanol boils at a temperature of 65 °C, water boils at a temperature of 100 °C. What is the best explanation for the higher boiling point of water? A Dispersion forces and dipole-dipole forces, but not hydrogen bonding B. Dipole-dipole forces, but not hydrogen bonding C. Dispersion forces and hydrogen bonding D. Dispersion forces E. Hydrogen bonding
The water in a pressure cooker boils at a temperature greater than 100°C because it is under pressure. At this higher temperature, the chemical reactions associated with the cooking of food take place at a greater rate. (a) Some food cooks fully in 7.00 min in a pressure cooker at 120.0°C and in 70.0 minutes in an open pot at 100.0°C. Calculate the average activation energy for the reactions associated with the cooking of this food. kJ mol-1 (b) How...
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