12.07.2015 Views

Exam #4 Key

Exam #4 Key

Exam #4 Key

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

10. (13 pts) Consider the reactions below. Classify each one with the following system byplacing a number in the box to the left of each reaction. (Hint: You will use each number onlyonce.)1. Spontaneous at all temperatures2. Non-spontaneous at low temperatures, but spontaneous at high temperatures3. Spontaneous at low temperatures, but non-spontaneous at high temperatures4. Non-spontaneous at all temperaturesClassificationH rxn (kJ/mol)2 H 2 (g) 2H(g) +436.41 2CH 3 OH(l) + 3O 2 (g) 2CO 2 (g) + 4H 2 O(g) -1452.84 SO 2 (g) + Cl 2 (g) SO 2 Cl 2 (g) +97.33 N 2 (g) + 3H 2 (g) 2NH 3 (g) -92.611. (12 pts) Consider the reactions below. Circle the Lewis base in the reactants of eachreaction.Ag + + 2 NH 3 H 3 N-Ag-NH 3+Cl - + AlCl 3 AlCl 4-H 2 SO 4 + OH - HSO 4 - + H 2 O7

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!