Heat, Gas Laws, and Energy

Syllabus and Handouts for this unit: Calendar | Handouts

Assessments: 13.1 - Gas Laws | 13.2 - Boltzmann's Equation | 14.1 - Heat and Calorimetry

IB8.1 Energy Production | IB8.2 Radiative Heat Transfer

Labs: Absolute Zero Lab

Answers to: IB Heat and Energy Questions Study for the: Semester 2 Final

Skip to: Chapter 14 | VF 15F&F1

13A. Understand the basics of kinetic theory, and thermal expansion.

13B. Understand the various temperature scales, and be able to convert between them.

Whiteboards:

Temperature Conversion Example 1

Temperature Conversion Example 2

Temperature Conversion Example 3

Temperature Conversion Example 4

13C. Calculate RMS velocities in an ideal gas using Boltzmann's equation.

(You will be able to calculate the speed of the particles of an ideal gas. We won't have a test over this, but it is on the IB test potentially)

Whiteboards:

Boltzmann Example #1

Boltzmann Example #2

Boltzmann Example #3

Boltzmann Example #4

13D. Understand the basics of Maxwellian speed distributions for an ideal gas, and the limitations of the ideal gas law.

13F. Solve problems using the ideal gas law PV = nRT.

Whiteboards:

Ideal Gas Example 1

Ideal Gas Example 2

Ideal Gas Example 3

13G. Solve problems with the combined gas law PV/nT = PV/nT.

Whiteboards:

Combined Law Example 1

Combined Law Example 2

Combined Law Example 3

Chapter 14:

14A. Understand the old caloric model, and Joule's discovery.

14B. Understand specific heat, and how to calculate heat using Q = mcT.

Whiteboards:

Specific Heat Example 1

Specific Heat Example 2

Specific Heat Example 3

Be sure to look at the last example - it is on the test and the skill set.

14C. Calculate heat needed for phase changes using Q = mL.

Whiteboards:

Latent Heat Example 1

Latent Heat Example 2

Latent Heat Example 3

14D. Interpret phase change graphs and derive latent heat and specific heat.

Phase Change Graphs:

Boiling and Melting Point:

Latent Heats from Graphs:

Specific Heats from Graphs:

Whiteboards:

Graph Example 1

Graph Example 2

Graph Example 3

Graph Example 4

Graph Example 5

Graph Example 6

14E. Solve calorimetry problems.

Solving for c or m in a calorimetry problem:

Whiteboards:

Calorimetry Example 1

Calorimetry Example 2

Solving for the final temperature:

Whiteboards:

Calorimetry Example 3

Calorimetry Example 4

Bomb Calorimetry:

14F. Understand the 4 basic methods of heat transfer.

Conduction:

Convection:

Evaporation:

Radiation:

14G. Solve problems with thermal conduction

Whiteboards

Conduction Whiteboard #1
Conduction Whiteboard #2
Conduction Whiteboard #3

14H. Understand and solve problems with evaporation and convection as a method of heat transfer.

14I. Understand Black Body Radiation and the Wien Displacement law.

14J. Solve problems with radiative heat transfer.

14K. Solve problems with Albedo.

14L. Understand the greenhouse effect.

Example Part 2ab

Example Part 2c

XC Skiing

IB Energy

15F. Understand how we use energy: Energy sources and transformations

15F1. Understand how we produce and transform energy.

0. Energy Density Calculations.

1. Heating Water

2. Thermal Power Generation

Examples

Energy Density Whiteboard #1

Energy Density Whiteboard #2

3. Wind Turbines

Example

Wind Turbine Example

4. Pumped Energy Storage

Example

Pumped Energy Storage Example

5. Solar Energy

Example

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