Chemistry Review-Third Quarter Benchmark - Chapters 13, 14, 15 and 16
1. What happens to the particles of a substance when it is heated? Cooled?
2. If a gas occupies 3.48 L at a pressure of 2.71 atm, what would the pressure be if the volume changes to 1.47 L? (Temp. and amt. of
gas constant)
3. What is mass number? Atomic number?
4. If 17.4 g of NaOH is dissolved in water to make 1.48 L of solution, what is the molarity of the solution?
5. How can James speed up the process of dissolving sugar in water? (Describe all)
6. How does gas create pressure in a tire?
7. Why won't olive oil dissolve in water?
8. A gas has a volume of 1.49 L at a temperature of 34.75 degrees Celsius. What would the volume be at 78.41 degrees Celsius?
(Pressure & amt. of gas constant)
9. What is a Bronsted-Lowry base? Acid?
10. What is a strong acid? Weak acid?
11. What is diffusion? Describe it.
12. What volume is occupied by 8.47 g of hydrogen gas at 84.7 degrees Celsius and 1.04 atm?
13. Is a solution with a pH of 8.49 acidic or basic?
14. What volume is occupied by 56.75 g of oxygen gas at STP?
15. Is a solution in which [OH-] > [H+] acidic or basic?
16. How much energy is required to raise 74.58 g of iron from 37.44 degrees Celsius to 98.39 degrees Celsius? (Specific Heat of Iron)
= 0.450 J/g°C
17. If 15.71 g of oxygen gas has a volume of 8.14 L, what is the volume of 48.39 g? (Temp, and pressure constant)
18. When ice changes to liquid water, is heat energy absorbed or released?
19. How much energy is required to change 28.45 g of water from 20.05 degrees Celsius to 87.48 degrees Celsius?
20. If hydrogen gas occupies a volume of 2.49 L at 3.41 atm, what would the volume be at 1.37 atm? (Temp. and amt. of gas constant)
21. When ice forms from liquid water is heat energy absorbed or released?
22. Distinguish between a solvent and a solute.
23. If 74.81 g of NaOH is dissolved in 741.2 g of water, what is the percent composition of NaOH?
24. What color does litmus paper change to in acid? Base?
25. If 19.41 g of KOH are dissolved in 247.5 g of water, what is the concentration in parts per million?
Chemistry Review-Third Quarter Benchmark - Chapters 13, 14, 15 and 16
1. What happens to the particles of a substance when it is heated? Cooled?
2. If a gas occupies 3.48 L at a pressure of 2.71 atm, what would the pressure be if the volume changes to 1.47 L? (Temp. and amt. of
gas constant)
3. What is mass number? Atomic number?
4. If 17.4 g of NaOH is dissolved in water to make 1.48 L of solution, what is the molarity of the solution?
5. How can James speed up the process of dissolving sugar in water? (Describe all)
6. How does gas create pressure in a tire?
7. Why won't olive oil dissolve in water?
8. A gas has a volume of 1.49 L at a temperature of 34.75 degrees Celsius. What would the volume be at 78.41 degrees Celsius?
(Pressure & amt. of gas constant)
9. What is a Bronsted-Lowry base? Acid?
10. What is a strong acid? Weak acid?
11. What is diffusion? Describe it.
12. What volume is occupied by 8.47 g of hydrogen gas at 84.7 degrees Celsius and 1.04 atm?
13. Is a solution with a pH of 8.49 acidic or basic?
14. What volume is occupied by 56.75 g of oxygen gas at STP?
15. Is a solution in which [OH-] > [H+] acidic or basic?
16. How much energy is required to raise 74.58 g of iron from 37.44 degrees Celsius to 98.39 degrees Celsius? (Specific Heat of Iron)
= 0.450 J/g°C
17. If 15.71 g of oxygen gas has a volume of 8.14 L, what is the volume of 48.39 g? (Temp, and pressure constant)
18. When ice changes to liquid water, is heat energy absorbed or released?
19. How much energy is required to change 28.45 g of water from 20.05 degrees Celsius to 87.48 degrees Celsius?
20. If hydrogen gas occupies a volume of 2.49 L at 3.41 atm, what would the volume be at 1.37 atm? (Temp. and amt. of gas constant)
21. When ice forms from liquid water is heat energy absorbed or released?
22. Distinguish between a solvent and a solute.
23. If 74.81 g of NaOH is dissolved in 741.2 g of water, what is the percent composition of NaOH?
24. What color does litmus paper change to in acid? Base?
25. If 19.41 g of KOH are dissolved in 247.5 g of water, what is the concentration in parts per million?