f16_che202_exam3b practice-2

# The species in the reaction kclo 3 s o kcl s 32 o 2 g

• Test Prep
• 9

11. The species in the reaction, KClO 3 ( s ) o KCl( s ) + 3/2 O 2 ( g ) have the values for standard enthalpies of formation at 25 ° C: KClO 3 ( s ), ' H ° f = -391.2 kJ mol -1 KCl( s ), ' H ° f = -436.8 kJ mol -1 Make the assumption that, since the physical states do not change, the values of ' H ° and ' S ° are constant throughout a broad temperature range, and use this information to determine which of the following conditions may apply.
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• Fall '16

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