Sponsor Utama
National Science Foundation
The O'Donnell Foundation is devoted to building model programs to enhance the quality of education.
Larutan Asam-Basa
How do strong and weak acids differ? Use lab tools on your computer to find out! Dip the paper or the probe into solution to measure the pH, or put in the electrodes to measure the conductivity. Then see how concentration and strength affect pH. Can a weak acid solution have the same pH as a strong acid solution?
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Lihat Di Bawah
Bahan-bahan Pengajaran
Topik Utama
- Asam
- Basis
- Larutan
- Kesetimbangan
Contoh Tujuan Pengajaran
- Given acids or bases at the same concentration, demonstrate understanding of acid and base strength by: 1. Relating the strength of an acid or base to the extent to which it dissociates in water 2. Identifying all of the molecules and ions that are present in a given acid or base solution. 3.Comparing the relative concentrations of molecules and ions in weak versus strong acid (or base) solutions. 4.Describing the similarities and differences between strong acids and weak acids or strong bases and weak bases.
- Demonstrate understanding of solution concentration by: 1. Describing the similarities and differences between concentrated and dilute solutions. 2. Comparing the concentrations of all molecules and ions in concentrated versus dilute solutions of a particular acid or base.
- Use both the strength of the acid or base and the concentration of its solution in order to:1. Describe in words and pictures (graphs or molecular drawings) what it means if you have a: Concentrated solution of a weak acid (or base) or Concentrated solution of a strong acid (or base) or other combinations. 2. Investigate different combinations of strength/concentrations that result in same pH values.
- Describe how common tools (pH meter, conductivity, pH paper) help identify whether a solution is an acid or base and strong or weak and concentrated or dilute.
Tip Untuk Para Guru
Panduan Bagi Guru (pdf) memuat petunjuk / tip yang dibuat oleh Tim PhET.
Ide-ide Pengajaran
| Title | Authors | Level | Type | Updated |
|---|---|---|---|---|
Acid Concentration and Strength Investigation
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Julia Chamberlain, Susan Hendrickson | HS UG-Intro |
Other HW |
13/03/28 |
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Acid-Base Macro Particulate Symbolic
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Ted Clark | HS UG-Intro |
Other HW |
13/03/28 |
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Using PhET in High School Chemistry- all my activities in pdf
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Trish Loeblein | UG-Intro HS |
Lab Demo CQs HW |
13/05/08 |
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Acid Base Solutions - Concentration and Strength
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Patricia Loeblein | HS UG-Intro |
CQs Lab HW |
11/07/30 |
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Strong and Weak Acids
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Kelly Lancaster, Laurie Langdon | UG-Intro HS |
HW CQs Lab |
10/12/29 |
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Concept Questions for Chemistry using PhET
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Trish Loeblein | HS UG-Intro MS |
CQs | 13/05/08 |
| Acid-Base Discovery (ICP/Physical Science Level) | S. Mitchell | HS | Lab | 10/11/19 |
| Intro to Strong and Weak Acids and Bases | Chris Bires | HS MS |
Lab | 11/05/17 |
| 산-염기 용액 SIM 사용지침서 | 이화국(Wha Kuk Lee) | UG-Intro HS |
Demo Lab |
13/05/17 |
Anda dapat mengirimkan ide dan aktifitas anda pribadi.
Versi Terjemahan :
Software Yang Diperlukan
| Windows | Macintosh | Linux |
|---|---|---|
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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 |
|---|---|---|
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