we do ! why? what? when? & how? -...
TRANSCRIPT
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Chemistry Practical Tasks
Leung Siu Wai
Ho Fung College (Sponsored by Sik Sik Yuen)
19th June, 2014
WE DO !
Why? What? When? & How?
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I hear …. I forget. I see …. I remember. I do …. I understand.
Practical Tasks .......
Why Do We Do?
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The Nine Generic
Skills
Communication Skills
Collaboration Skills
Creativity
Critical Thinking
Skills
Self-management Skills
Information Technology
Skills
Study Skills
Numeracy Skills
Problem Solving Skills
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Volumetric Analysis
Qualitative Analysis and Redox Reactions
Enthalpy Changes of Combustion of Alcohols
Concentration/Temperature Change on Reaction Rate
Organic Synthesis
Practical Tasks ....... What Do We Do?
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Volumetric Analysis
Qualitative Analysis and Redox Reactions
Enthalpy Changes of Combustion of Alcohols
Concentration/Temperature Change on Reaction Rate
Organic Synthesis
Practical Tasks ....... When Do We Do? How Do We Do?
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Volumetric Analysis....... When Do We Do? How Do We Do?
S4 Post-examination Activities
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http://minisite.proj.hkedcity.net/chemtech/eng/index.html
Chemistry Experimental Techniques (化學實驗技巧 )
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Determining the concentration of chloride ions in a sea water
Determining the sodium hypochlorite content in a bleach
More Practical Tasks on
Volumetric Analysis .......
When Do We Do? How Do We Do?
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Volumetric Analysis
Qualitative Analysis and Redox Reactions
Enthalpy Changes of Combustion of Alcohols
Concentration/Temperature Change on Reaction Rate
Organic Synthesis
Practical Tasks ....... When Do We Do? How Do We Do?
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#1
#2
#3 #6
#5
#4
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#1
#2
#3 #6
#5
#4
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Volumetric Analysis
Qualitative Analysis and Redox Reactions
Enthalpy Changes of Combustion of Alcohols
Concentration/Temperature Change on Reaction Rate
Organic Synthesis
Practical Tasks ....... When Do We Do? How Do We Do?
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Enthalpy Changes of Combustion of Alcohols
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Enthalpy Changes of Combustion of Alcohols
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Volumetric Analysis
Qualitative Analysis and Redox Reactions
Enthalpy Changes of Combustion of Alcohols
Concentration/Temperature Change on Reaction Rate
Organic Synthesis
Practical Tasks ....... When Do We Do? How Do We Do?
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Investigating Effect of Concentration on Reaction Rate
S2O32-(aq) + 2H+(aq) SO2(g) + S(s) + H2O(l)
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Investigating Effect of Concentration on Reaction Rate
S2O32-(aq) + 2H+(aq) SO2(g) + S(s) + H2O(l)
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Investigating Effect of Concentration on Reaction Rate
S2O32-(aq) + 2H+(aq) SO2(g) + S(s) + H2O(l)
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Investigating Effect of Temperature on Reaction Rate
S2O32-(aq) + 2H+(aq) SO2(g) + S(s) + H2O(l)
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Investigating Effect of Temperature on Reaction Rate
S2O32-(aq) + 2H+(aq) SO2(g) + S(s) + H2O(l)
![Page 26: WE DO ! Why? What? When? & How? - cd1.edb.hkedcity.netcd1.edb.hkedcity.net/cd/science/chemistry/nss/new/Enhancing... · Investigating Effect of Concentration ... Oxidizing ethanol](https://reader035.vdocuments.net/reader035/viewer/2022062504/5aa2c69c7f8b9aa0108da3dc/html5/thumbnails/26.jpg)
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Investigating Effect of Temperature on Reaction Rate
S2O32-(aq) + 2H+(aq) SO2(g) + S(s) + H2O(l)
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Volumetric Analysis
Qualitative Analysis and Redox Reactions
Enthalpy Changes of Combustion of Alcohols
Concentration/Temperature Change on Reaction Rate
Organic Synthesis
Practical Tasks ....... When Do We Do? How Do We Do?
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http://minisite.proj.hkedcity.net/chemtech/eng/index.html
Chemistry Experimental Techniques (化學實驗技巧 )
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Synthesis of 3-Methyl-1-butyl ethanoate (Fragrance of Banana)
Oxidizing ethanol to ethanoic acid and testing the ethanoic acid produced
Preparing and purifying 2-chloro-2-methylpropane
Preparing nylon
Organic Synthesis
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Fragrance of Banana
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Synthesis of 3-Methyl-1-butyl ethanoate
Fragrance of Banana
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I hear …. I forget. I see …. I remember. I do …. I understand.
Practical Tasks .......
Why Do We Do?
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Thank You !
Leung Siu-wai
Tel: 2425 3563
CLEAPSS (YouTube) https://www.youtube.com/channel/UC2ZRkBjqUw5-CW7vB-g0Xcw