CHEM 135 FINAL EXAM
1. What is the molecular geometry of carbon tetrachloride?
a. tetrahedral
b. trigonal pyramidal
c. bent
d. trigonal planar: a. tetrahedral
2. What is the molarity of a solution when 15.0 g of NaCl is dissolved to a finalvolume of 500.
mL with water?
a. 0.513 M
b. 117 M
c. 0.0300 M
d. 30.0 M: a. 0.513 M
3. What is the pH of a 0.00125 M NaOH solution?
a. 2.90
b. 11.1
c. 12.5
d. 1.25: b. 11.1
4. The substance Ca(OH)2 is
a. an acid.
b. a hydrate.
c. a base.
d. an oxide.: c. a base
,5. What is the salt formed when an HCl solution reacts with Ca(OH)2?
a. Ca2Cl2
b. Ca2Cl
c. CaCl
d. CaCl2: d. CaCl2
6. How many moles of sulfuric acid, H2SO4(aq) are in 2.0 liters of 18 MH2SO4?
a. 9.0 mol
b. 20. mol
c. 36 mol
d. 98 mol: c. 36 mol
7. Which of the following equations does not fit the definition of oxidation?
a. Ag+ +e- = Ag
b. C2H6 = H2 + C2H4
c. C + O2 = CO2
d. Na = Na+ + e-: a. Ag+ +e- = Ag
8. Identify the oxidized species in the following equation 4Al(s) + 3O2(g) =2Al2O3(s)
a. Al(s)
b. O2(g)
c. Al3+
d. O2-: a. Al(s)
9. Hydrolysis of sucrose yields
a. D-glucose only.
, b. D-galactose and D-glucose.
c. -D-glucose and -D-glucose.
d. D-glucose and D-fructose.: d. D-glucose and D-fructose
10. Which is not true about detergents?
a. The positive charged end is cationic.
b. The polar part is oil soluble.
c. The water soluble part is hydrophilic.
d. Work well in hard water.: b. The polar part is oil soluble
11. The science that deals with diet and health is called
a. nutrition.
b. digestion.
c. metabolism.
d. basal metabolic rate.: a. nutrition
12. Which of the following sets does not include at least one of the classes ofnutrients?
a. water, carbohydrates
b. fats, vitamins
c. acids, bases
d. proteins, fats: c. acids, bases
13. Which activity requires the least expenditure of energy?
a. downhill skiing
b. listening to a lecture
c. showering
d. walking down stairs: b. listening to a lecture
1. What is the molecular geometry of carbon tetrachloride?
a. tetrahedral
b. trigonal pyramidal
c. bent
d. trigonal planar: a. tetrahedral
2. What is the molarity of a solution when 15.0 g of NaCl is dissolved to a finalvolume of 500.
mL with water?
a. 0.513 M
b. 117 M
c. 0.0300 M
d. 30.0 M: a. 0.513 M
3. What is the pH of a 0.00125 M NaOH solution?
a. 2.90
b. 11.1
c. 12.5
d. 1.25: b. 11.1
4. The substance Ca(OH)2 is
a. an acid.
b. a hydrate.
c. a base.
d. an oxide.: c. a base
,5. What is the salt formed when an HCl solution reacts with Ca(OH)2?
a. Ca2Cl2
b. Ca2Cl
c. CaCl
d. CaCl2: d. CaCl2
6. How many moles of sulfuric acid, H2SO4(aq) are in 2.0 liters of 18 MH2SO4?
a. 9.0 mol
b. 20. mol
c. 36 mol
d. 98 mol: c. 36 mol
7. Which of the following equations does not fit the definition of oxidation?
a. Ag+ +e- = Ag
b. C2H6 = H2 + C2H4
c. C + O2 = CO2
d. Na = Na+ + e-: a. Ag+ +e- = Ag
8. Identify the oxidized species in the following equation 4Al(s) + 3O2(g) =2Al2O3(s)
a. Al(s)
b. O2(g)
c. Al3+
d. O2-: a. Al(s)
9. Hydrolysis of sucrose yields
a. D-glucose only.
, b. D-galactose and D-glucose.
c. -D-glucose and -D-glucose.
d. D-glucose and D-fructose.: d. D-glucose and D-fructose
10. Which is not true about detergents?
a. The positive charged end is cationic.
b. The polar part is oil soluble.
c. The water soluble part is hydrophilic.
d. Work well in hard water.: b. The polar part is oil soluble
11. The science that deals with diet and health is called
a. nutrition.
b. digestion.
c. metabolism.
d. basal metabolic rate.: a. nutrition
12. Which of the following sets does not include at least one of the classes ofnutrients?
a. water, carbohydrates
b. fats, vitamins
c. acids, bases
d. proteins, fats: c. acids, bases
13. Which activity requires the least expenditure of energy?
a. downhill skiing
b. listening to a lecture
c. showering
d. walking down stairs: b. listening to a lecture
