Thermodynamics

Presentation

•

Chemistry

•

University

•

Easy

•

NGSS

HS-PS3-4, HS-PS3-1, HS-PS3-2

Standards-aligned

Luis Bello

Used 5+ times

FREE Resource

20 Slides • 4 Questions

Thermodynamics

by Luis Bello

Previous: The Solubility Product

Write chemical equations and equilibrium expressions representing solubility equilibria
Carry out equilibrium computations involving solubility, equilibrium expressions, and solute concentrations

Chapter Outline

16.1 Spontaneity

16.2 Entropy

16.3 The Second and Third Laws of Thermodynamics

16.4 Free Energy

Learning Objectives

Distinguish between spontaneous and nonspontaneous processes
Describe the dispersal of matter and energy that accompanies certain spontaneous processes
Define entropy
Explain the relationship between entropy and the number of microstates
Predict the sign of the entropy change for chemical and physical processes

What is entropy? - Jeff Phillips | TED-Ed

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Multiple Choice

Which best describes ENTROPY?

Useful heat energy needed to drive an engine

Heat that can be stored to be used at a later date

Random energy that escapes from the system

A state of order in a physical system

Multiple Choice

Which state of H₂O has the greatest entropy?

Ice

Water

Vapor

Multiple Choice

The first law of thermodynamics is a restatement of the

Zeroth law of thermodynamics

law of heat addition

principle of entropy

conservation of energy

Multiple Choice

The picture shows two completely identical mason jars. They're both filled with the same gas, only one of them has more in it (more molecules). What can you say about the pressures of both jars?

P₁ > P₂(greater pressure in jar 1)

P₁< P₂ (greater pressure in jar 2)

P₁ = P₂ (same pressure in both)

There's not enough info to tell

Thermodynamics

by Luis Bello

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