2nd Semester Chem Final Doc
2nd Semester Practice Chemistry Final 2009-2010 Multiple Choice: Identify the letter of the choice that best completes the statement or answers the question. 1. What happens to the volume of a gas during compression? a. The volume increases. b. The volume decreases. c. The volume remains constant. d. It is impossible to tell because all gases are different. 2. Name the compound Fe(NO3)2. a. iron(II) nitrate c. iron(I) nitrite b. iron(II) nitrite d. iron nitrate 3. What is the molar mass of (NH4)2SO4? a. 114.09 g/mol c. 128.06 g/mol b. 118.34 g/mol d. 132.13 g/mol 4. What is the pressure exerted by 1.2 mol of a gas with a temperature of 20.?C and a volume of 9.5 L? a. 0.030 atm c. 3.0 atm b. 1.0 atm d. 30. atm