Name:  _________________                          date:  _____________             period:  ______

Ch. 10, 13, & 20 IMF, chemical equation / reactions  test [60 points]             honors chem

Academic Honesty:   The answers on this test are my own and I am using only the allowed set of notes as described in the syllabus.  I have not discussed the test questions with anyone before or during the test nor have I seen the test questions prior to the exam.  If you violate any of the preceding items or do not sign, your semester grade is a F.

                                                                                                Signature:  ___________________

1. Identify and rationalize the type(s) in IMF in ___. [15 points]

a. PCl3

b. BF3

c. C2H6

2. What is the relative vapor pressure of ___; basis / rationalize your answer; identify the type(s) of IMF in the chemical and its basis in your answer.  [20 points]

a. CF4 versus CBr4

b. CO versus water

3. Fill-in the below blank with the lowest ratio of integers to balance the below chemical equations; add “1” as appropriate. [8 points]

 a.  _____ CH3OH  +  ___  O2  →  ___ CO2  +  ___  H2O

b. ____  barium nitrate  +   ___  potassium phosphate  →  ___  barium phosphate +  ____ potassium nitrate

4. What is the oxidation number in each element in ___.  [8 points]

a.  Sodium sulfate

b. Ba(OH)2

c. CBr4

5. Write the net ionic equation; if there is no net ionic equation, write “no net ionic equation”.  [9 points]

a. Mix aqueous solutions of LiCl  +  KBr 

b. Mix aqueous solutions of sodium carbonate and hydrogen chloride

c. Mix aqueous solutions of Magnesium acetate and potassium phosphate