certain reaction has AHO +25.9 kJ and AS +55.9 J/K ▼ Part A Is the reaction exothermic or endothermic? O exothermic O endothermic Submit Request Answer Part B Does the reaction lead to an increase or decrease in the randomness or disorder of the system? O increase O decrease Submit Part C Request Answer Calculate AG for the reaction at 298 K. Express the free energy change in kilojoules to three significant figures. AG" = ΠΑΣΦ + A tyw kJ I

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Chapter1: Chemical Foundations
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**Problem 19.56 - Enhanced - with Feedback**

A certain reaction has:

\[
\Delta H^\circ = +25.9 \, \text{kJ} 
\]

and 

\[
\Delta S^\circ = +55.9 \, \text{J/K} 
\]

### Part A
Is the reaction exothermic or endothermic?

- [ ] exothermic
- [ ] endothermic

*Submit* *Request Answer*

### Part B
Does the reaction lead to an increase or decrease in the randomness or disorder of the system?

- [ ] increase
- [ ] decrease

*Submit* *Request Answer*

### Part C
Calculate \( \Delta G^\circ \) for the reaction at 298 K. 

Express the free energy change in kilojoules to three significant figures.

\[ 
\Delta G^\circ = \, \_\_\_\_ \, \text{kJ} 
\]

*(Input Box)*
Transcribed Image Text:**Problem 19.56 - Enhanced - with Feedback** A certain reaction has: \[ \Delta H^\circ = +25.9 \, \text{kJ} \] and \[ \Delta S^\circ = +55.9 \, \text{J/K} \] ### Part A Is the reaction exothermic or endothermic? - [ ] exothermic - [ ] endothermic *Submit* *Request Answer* ### Part B Does the reaction lead to an increase or decrease in the randomness or disorder of the system? - [ ] increase - [ ] decrease *Submit* *Request Answer* ### Part C Calculate \( \Delta G^\circ \) for the reaction at 298 K. Express the free energy change in kilojoules to three significant figures. \[ \Delta G^\circ = \, \_\_\_\_ \, \text{kJ} \] *(Input Box)*
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