Chemistry · Chapter 16

Thermodynamics

Which way a change goes on its own

How many of this chapter's six lessons you have ticked off0/6ch 16

ticked off this visit

Six lessons cover this chapter, one for each section. Open any of them on its own below, or meet it in place inside chapter 16 of the book. Tick a lesson off once you can predict what it will do before you touch it.

1

Spontaneous change

Sort everyday changes into spontaneous and not.

2

Entropy

Spread particles and energy and watch entropy rise.

3

The second and third laws

Track entropy of system plus surroundings through a change.

4

Standard entropy change

Predict the sign of entropy change from an equation.

5

Gibbs free energy

Slide enthalpy, entropy and temperature and watch ΔG flip sign.

6

Free energy, K and temperature

Connect G with K and find the switch-over temperature.

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