2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 Chapter 19Chapter 25Chapter 12 Chapters...

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Chapter 19 Chapter 25Chapter 12 Chapters 15/16Chapter 13/14

1. The equation below shows the decomposition of lead nitrate. How many grams of oxygen are

produced when 11.5g NO2 is formed? 2Pb (NO3)2(s) -> 2PbO(s) + 4NO2(g) + O2(g)

a.) 1.00g b.) 2.00gc.) 2.88gd.) 32.0g

What is b.) 2.00g?

2. When glucose is consumed, it reacts with oxygen in the body to produce carbon dioxide, water, and energy. How many grams of carbon

dioxide would be produced if 45g of C6H12O6 completely reacted with oxygen?

a.) 1.5gb.) 1.8gc.) 11gd.) 66g

What is c.) 11g?

3. How many liters of hydrogen gas are needed to react with CS2 to produce 2.50L of CH4 at STP?

4H2(g) + CS2(l) -> CH4(g) + 2H2S(g)

a.) 2.50Lb.) 5.00Lc.) 7.50Ld.) 10.0L

What is c.) 7.50L?

4. Glucose, C6H12O6, is a good source of energy. When it reacts with oxygen, carbon dioxide and water are formed.

How many liters of CO2 are produced when 126g of glucose completely react with oxygen?

C6H12O5(s) + 6O2(g) + 6H2O(l) + 673 kcal

a.) 4.21Lb.) 5.33Lc.) 15.7Ld.) 94.1L

What is c.) 15.7L?

5. When two substances react to form products, the reactant which is used up is called the ____.

a.) Determining reagentb.) Limiting reagent

c.) Excess reagentd.) Catalytic reagent

What is b.) Limiting reagent?

6. Which law can be used to calculate the number of moves of contained gas?

a.) Boyle's lawb.) Combined gasc.) Ideal gas lawd.) Charle's law

What is c.) Ideal gas law?

7. A box with a volume of 22.4L contains 1.0mol of nitrogen and 2.0mol of hydrogen at 0 degrees

Celsius. Which of the following statements is true?

a.) the total pressure in the box is 101 kPab.) the partial pressures of N2 and H2 are equal

c.) the total pressure is 202 kPad.) the partial pressure of N2 is 101 kPa

What is d.) the partial pressure of N2 is 101 kPa?

8. If the volume of a container of air is reduced by one-half, what happens to the partial pressure

of oxygen within the container?

a.) it is reduced by one-halfb.) it does not change

c.) it is doubledd.) it is reduced by one-fourth

What is c.) it is doubled?

9. Which of the following atoms would have the greatest velocity if each atom had the same

kinetic energy?

a.) bromineb.) chlorinec.) ammoniad.) hydrogen

What is c.) ammonia?

10. Which of the following gases is the best choice for inflating a balloon that must remain for a long

period of time?

a.) argonb.) oxygen

c.) hydrogend.) neon

What is a.) argon?

11. What causes water's low vapor pressure?

a.) dispersion forcesb.) covalent bondingc.) hydrogen bondingd.) ionic attractions

What are a.) dispersion forces?

12. The fact that ice is less dense than water is related to the fact that ______.

a.) the molecular structure of ice is much less orderly than that of water

b.) the molecules of ice are held to each other by covalent bonding

c.) ice has a molecular structure in which water molecules are arranged randomly

d.) ice has a molecular structure that is an open framework held together by hydrogen bonds

What is c.) ice has a molecular structure in which water molecules are arranged randomly?

13. Which of these would you expect to be soluble in the nonpolar solvent carbon disulfide?

a.) waterb.) carbon tetralodide

c.) NaCld.) Stannous iodide

What is c.) NaCl?

14. What type of compund is always an electrolyte?

a.) polar covalentb.) nonpolar covalent

c.) ionicd.) network solid

What is a.) polar covalent?

15. Which symbol is used to connect the formula of the compound with the number of water

molecules in a hydrate?

a.) a parenthesisb.) an asterisk

c.) a multiplication symbold.) a dot

What is b.) an asterisk?

16. Which compund can act as both a Bronsted-Lowry acid and a Bronsted-Lowry base?

a.) waterb.) ammonia

c.) sodium hydroxided.) hydrochloric acid

What is c.) sodium hydroxide?

17. In the reaction CO32- + H2O

What is chemical reaction?

18. Which of the following reactions illustrates amphoterism?

What is amphoretism?

19. What are the acids in the following equilibrium reaction?

What are chemical reactions?

20. Which of the following represents a Bronsted-Lowry conjugate acid-base pair?

What is CO2 + H2O?

21. Which symbol is used for an alpha particle?

What are the chemicals?

22. Which of the following materials is necessary to stop an alpha particle?

a.) 3 feet of concreteb.) 3 inches of lead

c.) single sheet of aluminum foild.) single sheet of paper

What is a.) 3 feet of concrete?

23. What symbol is used for beta radiation?

What is 0

1 e?

24. Which of the following materials is necessary to stop a beta particle?

a.) 3 feet of concreteb.) 3 inches of lead

c.) single sheet of aluminum foild.) single sheet of paper

What is c.) single sheet of aluminum foil?

25. Which of the following materials is must effective for stopping gamma radiation?

a.) several cm of leadb.) one cm of water

c.) single sheet of aluminum foild.) single sheet of paper

What is b.) one cm of water?