Pre-lab Question: circle the correct symbols/words so the sentence is true, circ

Question

Pre-lab Question: circle the correct symbols/words so the sentence is true, circle "?" if there isn't enough information to tell 0° /? 0 if He0 and ASe0 which means the reaction is spontaneous/not spontaneous? G/? 0 if He>0 and ASe0 which means the reaction is spontaneous/not spontaneous G" /? 0 if H0 and Se>0 which means the reaction is spontaneous/not spontaneous AHO Aso Start with the equations = m and = b and find the equations for and aso respectively. Write the objective for this lab.

Explanation / Answer

The criteria for a spontanity of a reaction only depends on value of entropy.

Te positive entropy indicates spontaneous reaction.

Nrgative entropy indicates non spontaneous reaction.

Zero entropy indicates reaction at equillibrium.

1. S here is less than zero means negative. so reaction is Non spontaneous.

2. S here is less than zero means negative. so reaction is Non spontaneous.

3.   S here is greater than zero means positive. so reaction is spontaneous.

4.   S here is greater than zero means positive. so reaction is spontaneous.

Objective for the lab is to identify relation between spontanity of reaction and entropy value.

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