when solid pellets of sodium hydroxide (naoh) dissolve in water, the temperature of the water can rise dramatically. taking naoh

Question

2 years ago

15

as the system, what can you deduce about the signs of the entropy change of the system (δssys) and surroundings (δssurr) from this?

1 answer:

irga5000 [103] · Answer 1 · 2023-12-08T22:38:48+03:00

ΔSsys and ΔSsurr both have values larger than 0.

<h3>Entropy Change: What Is It?</h3>

Entropy change is a phenomena that measures the evolution of randomness or disorder in a thermodynamic system.
It has to do with how heat or enthalpy is converted during work.
More unpredictability in a thermodynamic system indicates high entropy.
Heat transport (delta Q) divided by temperature equals the change in entropy (delta S).

<h3>What causes variations in entropy?</h3>

When a substance is divided into several pieces, entropy rises.
Because the solute particles are split apart when a solution is generated, the dissolving process increases entropy.
As the temperature rises, entropy increases.

learn more about entropy change here

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