Question

1. You take 5.0 g of solid ammonium nitrate and put it in a beaker. You add 100 mL water and stir. The solute dissolves quickly. How does the number of microstates of the ions in the solute compare to the microstates when free to move within the solution? The entropy of the system has (increased/decreased).The sign on ?Ssys would be (positive/negative) The sign on ?Ssurr for the arrangement of water molecules would be (positive/negative). If the overall ?Ssys for the dissolution of ammonium nitrate is positive, (?S for the ions/?S for the water molecules) predominates (is the larger amount).

          1. You take 5.0 g of solid ammonium nitrate and put it in a
beaker.  You add 100 mL water and stir.  The solute
dissolves quickly.  How does the number of microstates of the
ions in the solute compare to the microstates when free to move
within the solution? The  entropy of the system has
________ (increased/decreased).The sign on ?Ssys would
be ________ (positive/negative) The sign on ?Ssurr
for the arrangement of water molecules would be ________
(positive/negative).    If the overall ?Ssys
for the dissolution of ammonium nitrate is positive, ________ (?S
for the ions/?S for the water molecules) predominates (is the
larger amount).

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Added by Gregory J.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Sri K

03/30/2023

Step 1

When solid ammonium nitrate dissolves in water, the ions in the solid become free to move within the solution. This means that the number of microstates of the ions in the solute increases compared to when they were in the solid state. Show more…

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1. You take 5.0 g of solid ammonium nitrate and put it in a beaker. You add 100 mL water and stir. The solute dissolves quickly. How does the number of microstates of the ions in the solute compare to the microstates when free to move within the solution? The entropy of the system has ________ (increased/decreased).The sign on ?Ssys would be ________ (positive/negative) The sign on ?Ssurr for the arrangement of water molecules would be ________ (positive/negative). If the overall ?Ssys for the dissolution of ammonium nitrate is positive, ________ (?S for the ions/?S for the water molecules) predominates (is the larger amount).

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