chemical or physical change laboratory #2 formal lab write-up
DESCRIPTION
Experiment 1 Aluminium + Sodium HydroxideTRANSCRIPT
Chemical or Physical Change
Laboratory #2
Formal Lab Write-up
Due Mon Nov 8th The pre-lab
1. Hypothesis predict whether a physical or chemical
change will occur Use your previous experiences in the
lab or do research to back up your answer.
2. Observations Tables Create a table to show initial and final
observations for each experiment.
Experiment 2
Sodium Hydroxide + sugar + Potassium Permanganate
Experiment 3
Aluminium + Copper Chloride
Experiment 4
Magnesium + Hydrochloric Acid
Experiment 6
Calcium Chloride + Water
Experiment 7
Polysaccharide Carbohydrate Solution + Iodine
Experiment 8
Sodium Hydroxide + Cobalt Chloride
Experiment 8
Potassium Permanganate + Water
Due Nov 22nd: Must include:
• Title Page• Introduction• Purpose• Hypothesis• Materials• Procedure• Data/Observations• Conclusion
Go over previous lab
chemical or physical?
Heating of Cobalt Chloride
chemical or physical?
Addition of Lead chloride to Potassium Iodide
chemical or physical?
Addition of zinc metal to sodium hydroxide
chemical or physical?
Addition of glucose solution + water
chemical or physical?
Addition of carbonyldiamine to water
chemical or physical?
Addition of acetic acid to bromothymol blue
chemical or physical?
Addition of cupric nitrate crystal to water
chemical or physical?
Addition of iodine solution to polysaccharide carbohydrate
chemical or physical?
Heating of Magnesium Sulphate Heptahydrate
Common lab faux-pas
The pre-lab
• Hypothesis• Observations Table
Must include:
• Title Page• Introduction• Purpose• Hypothesis• Materials• Procedure• Data/Observations• Conclusion
Previous Lab Experiments…
Experiment 2
Sodium Hydroxide + sugar + Potassium Permanganate
Experiment 3
Aluminium + Copper Chloride
Experiment 4
Magnesium + Hydrochloric Acid
Experiment 6
Calcium Chloride + Water
Experiment 7
Polysaccharide Carbohydrate Solution + Iodine
Experiment 9
Potassium Permanganate + Water