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Hands on Experiment : Determining the enthalpy change of a reaction with the use of Arduino system

Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

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Page 1: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Hands on Experiment :Determining the enthalpy change 

of a reaction with the use of Arduino system

Page 2: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Setup for the ExperimentDetermining the enthalpy change of metal displacement reaction  

Zn(s) + CuSO4(aq)  Cu(s) + ZnSO4(aq) 

Using Arduino system with temperature sensor to record the temperature change during the reaction

Page 3: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Equipment required for Experiment

Copper (II) sulphate

Pipette Filler

Pipette

PolystyreneCup 250cm3

beaker

Glass rodSpatula

ElectronicBalance

Zinc powder

Copper (II) sulphate

Zinc

Page 4: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Equipment required for Arduino system

Waterproof DS18B20 Temperature Sensor

Resistor (4.7k ohm) 

Solderless Breadboard 

3 Jumper wires (Male to Male) 

Arduino UNO

Page 5: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

http://www.sciencebuddies.org/science-fair-projects/how-to-use-a-breadboard.shtml

Basic : Solderless breadboard(麵包板)

Page 6: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required
Page 7: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Analog Input /OutputPower

Digital Input / Output

USB

9V Power

Basic : Arduino UNO board

Page 8: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Operation of the Arduino system 1. Wiring of temperature sensor in Arduino system

https://create.arduino.cc/projecthub/TheGadgetBoy/ds18b20‐digital‐temperature‐sensor‐and‐arduino‐9cc806

Page 9: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Power :  5V (+)GND (‐)

Signal :  2

Identify the pins

Page 10: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Connect red jumper wire to 5V

Page 11: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Connect black jumper wire to GND

Page 12: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Connect Yellow jumper wire to 2

Page 13: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Connect another end of red jumper wire to breadboard +

Page 14: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Connect another end of black jumper wire to breadboard ‐

Page 15: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Bend the 4.7k ohm resistor to “C” shape

Page 16: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Connect the bended resistor to breadboard + and A12

Page 17: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Connect another end of yellow jumper wire to breadboard B12

Page 18: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Connect red and black wire of temp sensor to breadboard + and ‐ respectively

Page 19: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Connect yellow wire of temp sensor to breadboard E12

Page 20: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Check all wires and resistor to see all are firmly secured on Arduino and breadboard

https://www.youtube.com/watch?v=p6AN6rPWzfI

Page 21: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Experimental Setup

Magnetic Stir bar Magnetic Stirrer

Polystyrene cup

Arduino System withtemperature sensor

Computer

Copper(II)sulphate solutionZinc powder Clamp and stand

Page 22: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Points to note

Magnetic Stir bar should not to contact with temp sensor

Avoid glass rod from contact with temp sensor

Page 23: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Program Files (x86)>Arduino>libraries

2. Copy the following into Arduino LibrariesOne WireDallas Temperature_Library

Waterproof DS18B20 Temperature Sensor

Page 24: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

3. Upload Arduino code

Waterproof DS18B20 Temperature Sensor

Open Arduino IDE software

Copy the code into Arduino IDE

Save the Arduino Sketch as “temp”

Page 25: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

4. Checking the port of Arduino system to record the temperature data

Page 26: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

5. Uploading of code into Arduino Board

Page 27: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

6.Checking the port of Arduino system to start record the temperature data by PLX‐DAQ

Page 28: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

7.Data Collection by Excel plug‐ins

Total duration : 540 seconds 540 data

Page 29: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

8.Data analysis by using Microsoft Excel

T2

T1

T = T2 – T1

Page 30: Part 3 - Determining the enthalpy change of a reaction ...cd1.edb.hkedcity.net/cd/...the_enthalpy_change_of...use_of_Arduino.pdftemperature change during the reaction. Equipment required

Scientific Inquiry opportunity

To investigate the enthalpy change of neutralization