JQuiz Instructions

1. What causes pressure?

   1.   ?    heat
   2.   ?    expansion
   3.   ?    bombardment of particles on the walls of a container

2. What does a thermometer measure?

   1.   ?    temperature
   2.   ?    pressure
   3.   ?    heat
   4.   ?    energy

3. What does a barometer measure?

   1.   ?    temperature
   2.   ?    pressure
   3.   ?    heat
   4.   ?    energy

4. How many mm Hg in 1 Atm?

   1.   ?    500
   2.   ?    760
   3.   ?    101.3
   4.   ?    200

5. What is STP?

   1.   ?    101.325 kPa and 100 F
   2.   ?    760 kPa and 273 F
   3.   ?    101.325 kPa and 273 C
   4.   ?    101.325 K and 273 K

6. Boyle's Law relates:

   1.   ?    temperature and pressure
   2.   ?    volume and pressure
   3.   ?    temperature and pressure
   4.   ?    temperature and volume

7. Charle's Law relates:

   1.   ?    temperature and pressure
   2.   ?    pressure and volume
   3.   ?    temperature and volume

8. A container of gas is maintained at 500 Kelvins and 200 kPa. If the volume is reduced from 500 mL to 100 mL, what will be the new pressure if the temperature doesn't change?

   1.   ?    40 kPa
   2.   ?    4000 kPa
   3.   ?    2.5 kPa
   4.   ?    1000 kPa

9. A 50 mL sample of gas is collected at 1000 kPa. If the temperature is constant, what is the new volume at 500 kPa?

   1.   ?    100 mL
   2.   ?    25 mL
   3.   ?    200 mL

10. What is the ideal gas law in symbols?

    1.   ?    PV = nRT
    2.   ?    P/V = nRT
    3.   ?    P1V1/T1 = P2V2/T2

11. How does atmospheric pressure effect boiling point?

    1.   ?    Increased pressure = increases boiling temperature
    2.   ?    no effect
    3.   ?    Decreased pressure = increases boiling temperature

12. Why does salt water conduct electricity better than pure, distilled water?

    1.   ?    It doesn't
    2.   ?    More ions.
    3.   ?    Fewer ions.

13. What is molarity where 2.5 mol of solute is placed in 5.0 L of solution?

    1.   ?    0.5 M
    2.   ?    2.0 M
    3.   ?    12.5 M

14. pH of 7 is:

    1.   ?    acidic
    2.   ?    basic
    3.   ?    neutral

15. pH less than 7 is:

    1.   ?    acidic
    2.   ?    basic
    3.   ?    neutral

16. pH greater than 7 is:

    1.   ?    acidic
    2.   ?    basic
    3.   ?    neutral

17. Find the pH of a 1 x 10-5 M solution of strong acid.

    1.   ?    14
    2.   ?    1
    3.   ?    5
    4.   ?    7

18. What is the concentration of HCl if 20 mL of 0.5 M NaOH neutralizes 40 mL of HCl?

    1.   ?    1.0 M
    2.   ?    .25 M
    3.   ?    0.5 M

19. 20 mL of 2 M potassium sulfate are collected. How many moles of potassium sulfate?

    1.   ?    .01 mo
    2.   ?    40 mol
    3.   ?    .04 mole