Quiz 8 Key - Chemistry 201X: Quiz #8 Name:_KEY_...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Chemistry 201X: Quiz #8 November 9, 2007 Name:_____KEY__________________________ INFORMATION: For the reaction a A + b B ⎯→ c C + d D 00 0 0 0 0 0 0 0 (C) (D) (A) (B) (C) (D) (B) ffff Hc H d H a H b H Sc S d S a S b S GH T S ∆= + + ∆− ( T = 298 K) 0 f H (kJ/mol) S 0 (J/mol K) O 2 (g) -- 205.0 CO (g) 110.5 197.9 CO 2 (g) 393.5 213.6 For the following chemical reaction: 2 CO(g) + O 2 (g) ⎯→ 2 CO 2 (g) (1) (2 pts) Calculate H 0 (in kJ) for the reaction as written. H ° = 2( 393.5) 2( 110.5) (0) = 566.0 kJ Ans. ___ 566.0 kJ ____ (2) (2 pts) Calculate S 0 (in J/K) for the reaction as written. S ° = 2(213.6) 2(197.9) (205.0) =
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This homework help was uploaded on 03/27/2008 for the course CHEM 201 taught by Professor Miller during the Fall '07 term at Iowa State.

Ask a homework question - tutors are online