Sponsor Utama
National Science Foundation
The O'Donnell Foundation is devoted to building model programs to enhance the quality of education.
Hukum Beer
“The thicker the glass, the darker the brew, the less the light that passes through.” Make colorful concentrated and dilute solutions and explore how much light they absorb and transmit using a virtual spectrophotometer!
|
Bahan-bahan Pengajaran
Topik Utama
- Beer's law
- Larutan
- Konsentrasi
- Molarity
- Cahaya
- Absorbance
- Transmittance
- Spectrophotometry
Contoh Tujuan Pengajaran
- Describe the relationships between volume and amount of solute to solution concentration
- Explain qualitatively the relationship between solution color and concentration
- Predict and explain how solution concentration will change for adding or removing: water, solute, and/or solution
- Calculate the concentration of solutions in units of molarity (mol/L)
- Design a procedure for creating a solution of a given concentration
- Identify when a solution is saturated and predict how concentration will change for adding or removing: water, solute, and/or solution
- Describe the relationship between the solution concentration and the intensity of light that is absorbed/transmitted
- Describe the relationship between absorbance, molar absorptivity, path length, and concentration in Beer’s Law
- Predict how the intensity of light absorbed/transmitted will change with changes in solution type, solution concentration, container width, or light source, and explain why
Tip Untuk Para Guru
Panduan Bagi Guru (pdf) memuat petunjuk / tip yang dibuat oleh Tim PhET.
Ide-ide Pengajaran
| Title | Authors | Level | Type | Updated |
|---|---|---|---|---|
Beer's Law Warm-Up
|
Julia Chamberlain | HS UG-Intro |
HW | 13/03/28 |
|
Concentration and Beer's Law Investigation
|
Julia Chamberlain, Susan Hendrickson | HS UG-Intro |
Other HW |
13/03/28 |
| Beer의 법칙 사용지침서(User Manual) | 이화국(Wha Kuk Lee) | Other | Other | 13/05/01 |
| Beer's Law Lab: Introduction to Beer's Law | Joel Barthel | UG-Intro HS |
Lab | 13/02/02 |
Anda dapat mengirimkan ide dan aktifitas anda pribadi.
Simulasi Yang Terkait
Versi Terjemahan :
Software Yang Diperlukan
| Windows | Macintosh | Linux |
|---|---|---|
|
Microsoft Windows
XP/Vista/7 Sun Java 1.5.0_15 or later |
OS 10.5 or later
Sun Java 1.5.0_19 or later |
Sun Java 1.5.0_15 or later |
Kredit
| Tim Perancang | Librari Pihak Ketiga | Terimakasih Kepada |
|---|---|---|
|
|
|