For the gaseous reaction of carbon monoxide and chlorine to form phosgene, (COCl2), calculate each of the following.
(a) Calculate S° at 298 K (H° = -220. kJ/mol and G° = -206 kJ/mol).
_____ J/K·mol
(b) Assuming that S° and H° change little with temperature, calculate G° at 301 K.
_____ kJ/mol
2007-11-21 06:01:26 · 4 answers · asked by Kimberly L 1 in Science & Mathematics ➔ Chemistry
yea i can
2007-11-21 06:03:41 · answer #1 · answered by Anonymous · 0⤊ 0⤋
i can only answer (a) deltaG=deltaH-TdeltaS deltaG= -206 anddeltaH=-220 whileT=298k -206=-220-298S. therefore S=312
2007-11-21 14:12:35 · answer #2 · answered by shadow 1 · 0⤊ 0⤋
Yes I just about managed both of them.
2007-11-21 14:05:12 · answer #3 · answered by veg_rose 6 · 0⤊ 0⤋
In both cases, you'll use the equation:
DG = DH - TDS. Just plug in what you have and solve for the one you don't.
2007-11-21 14:08:05 · answer #4 · answered by hcbiochem 7 · 0⤊ 0⤋