RC Chemistry Surface Area Temperature & Intermolecular Forces Practice Quiz

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1. Question 1 Describe how surface area, temperature, and intermolecular forces are related to the rate of evaporation of a liquid and vapor pressure.
2. Question 2 What are the 3 interactions that happens in a solution between the solute and the solvents? Describe the interactions in terms of salt dissolved in water.
3. Question 3 Why can’t the kinetic molecular theory be applied to liquids and solids?
4. Question 4 Identify which of these gases exhibit non-ideal gas behavior:
   1. Gas B
   2. Gas A
   3. Gas C
   4. Gas D 
   5. Gas E
   6. Gas F
5. Question 5 Describe the 4 standards that gases need to have in order to fit the kinetic molecular theory of gases.
6. Question 6 A box contains 100 particles of gas at room temperature. The temperature of the box is increased. How does the motion of the particle change and affect pressure?
7. Question 7 You are a nurse and you have several patients that need treatment. Thank goodness you were taught how to manipulate gas laws in order to help the patients. Help each patient solve the issue they are encountering. You are checking the purity of the air in a unit of the hospital and find the following readings: CO2 (17.8 Pa), O2 (20.2 bar), CO (56.6 psi), N2 (71.7 mmHg), SO2 (22.4 torr), and Ar (42.3 atm). What is the total pressure of the unit?
8. Question 8 You are a nurse and you have several patients that need treatment. Thank goodness you were taught how to manipulate gas laws in order to help the patients. Help each patient solve the issue they are encountering. Patient C needs oxygen administered due to difficulty breathing. Check how many mols of gas is in a cylinder that has a volume of 5L at 13700 kPa, at atmospheric pressure and room temperature at 20 degrees Celsius.
9. Question 9 You are a nurse and you have several patients that need treatment. Thank goodness you were taught how to manipulate gas laws in order to help the patients. Help each patient solve the issue they are encountering. A scuba diver has been brought into the hospital because he had to come up really quickly since his oxygen tank was running out. The problem with doing this is that it causes a phenomenon called “bends” where the volume of the oxygen in the blood stream can increase too quickly if the pressure around the body is changed too quickly. If the scuba diver had 4.0 L of gas at atmospheric pressure, what was the volume of the gas when scuba diver dove down to 130ft below sea level (110kPa)?
10. Question 10 You are a nurse and you have several patients that need treatment. Thank goodness you were taught how to manipulate gas laws in order to help the patients. Help each patient solve the issue they are encountering. The hospital just received a shipment of helium gases at various purities. A helium tank with a purity of 95% has helium (11.6 mmHg), nitrogen (2.8atm), and oxygen (4.3 kPa). What is the total pressure of the tank?
11. Question 11 In a gaseous state, molecules can be compressed.
    1. True
    2. False
12. Question 12 In a liquid state, molecules can be compressed.
    1. True
    2. False
13. Question 13 Which of these examples are liquids of low viscosity?
    1. Motor oil, maple syrup, honey
    2. Mercury, water, glycerin
    3. Water, alcohol, gasoline
    4. Rubbing alcohol, acetone, Butane, Propane
14. Question 14 Which of these examples are liquids of high viscosity?
    1. Rubbing alcohol, acetone, Butane, Propane
    2. Water, alcohol, gasoline
    3. Chloroform, sugar water, HCI
    4. Motor oil, maple syrup, honey
15. Question 15 Using the phase diagram, identify the phase that water is in for the following conditions: 22,089kPa and 374?C
    1. Solid
    2. Liquid
    3. Critical point
    4. Gas
    5. Triple point
16. Question 16 Using the phase diagram, identify the phase that water is in for the following conditions: 100kPa and 110?C
    1. Gas
    2. Liquid
    3. Critical point
    4. Solid
    5. Triple point
17. Question 171 PointIdentify which of these molecules has the highest boiling point and give the reasoning why in terms of intermolecular force. CHCl3, H2O, CO2
18. Question 181 PointIdentify which of these molecules has the highest boiling point and give the reasoning why in terms of intermolecular force. CHCl3, CH3COOH, CO2
19. Question 19dentify the following phase change as endothermic or exothermic processes: Gas to liquid
    1. Endothermic
    2. Exothermic
20. Question 20Identify the following phase change as endothermic or exothermic processes: Liquid to solid
    1. Exothermic
    2. Endothermic
21. Question 21
    1. Undersaturated
    2. Supersaturated
    3. Saturated
22. Reference this image and identify whether the following solution is saturated, supersaturated or undersaturated: KBr at a solubility of 60 at 20?C
23. Question 22Reference this image and identify whether the following solution is saturated, supersaturated or undersaturated: Sugar at a solubility of 220 at 30?C
    1. Supersaturated
    2. Saturated
    3. Undersaturated
24. Question 23Calculate the molality of the following solution: 37g of glucose (C6H12O6 ) in 64g of water
25. Question 24Calculate the molality of the following solution: 4.2g of LiBr in 52.6g of water
26. Question 25Calculate the molality of the following solution: 30g of NaCl in 350g of water
27. Question 26Calculate the mass percent of the following solution: 13g of KBr in 93g of water
28. Question 27Calculate the mass percent of the following solution: 11.6g of NaNO3 in 86g of water
29. Question 28Calculate the mass percent of the following solution: 37g of glucose in 64g of water
30. Question 29Osmotic drug delivery is a technique used in the pharmaceutical industry to help an active drug dissolve when swallowed. There are holes that are drilled onto the outside of the tablet allowing for the phenomenon to occur. With your knowledge of how osmotic pressure works, hypothesize what you think happens when a drug is ingested into the body
31. Question 
32. Identify and explain an instance in which colloids are utilized for the human body.

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