Chemical or Physical Change Laboratory #2 Formal Lab Write-up.

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 1

Aluminium + Sodium Hydroxide

http://images.google.ca/imgres?imgurl=http://www.carolina.com/images/en_US//local/products/detail/726866_g_app.jpg&imgrefurl=http://www.carolina.com/product/pyrex,%2Berlenmeyer%2Bflask,%2Bscrew-cap,%2B125%2Bml.do%3Fkeyword%3Dpyrex%2Bflask%26sortby%3DbestMatches&usg=__VgP_C2swo23bfQt7MPDnwnOKPV0=&h=250&w=250&sz=8&hl=en&start=77&tbnid=W_jUZYdgSpRDaM:&tbnh=111&tbnw=111&prev=/images%3Fq%3Derlenmeyer%2Bflask%26ndsp%3D20%26hl%3Den%26sa%3DN%26start%3D60

Experiment 2

Sodium Hydroxide + sugar + Potassium Permanganate


http://images.google.ca/imgres?imgurl=http://www.sia-hq.com/custom/articlepics/wellbeing/sugar%2520cubes.jpg&imgrefurl=http://www.sia-hq.com/&usg=__TsPphvtudFiiXexUTgKx6UzBhS8=&h=480&w=640&sz=22&hl=en&start=3&tbnid=l2TX66yI7OQB4M:&tbnh=103&tbnw=137&prev=/images%3Fq%3Dsugar%26hl%3Den

http://images.google.ca/imgres?imgurl=http://bamdadbarin.com/images/clip-products.jpg&imgrefurl=http://bamdadbarin.com/products.html&usg=__-NOWzeVdgSD6yI4Lh_DNOdjLWh0=&h=400&w=424&sz=142&hl=en&start=35&tbnid=bHy8JTcZ_7kZ-M:&tbnh=119&tbnw=126&prev=/images%3Fq%3Dpotassium%2Bpermanganate%26ndsp%3D20%26hl%3Den%26sa%3DN%26start%3D20

Experiment 3

Aluminium + Copper Chloride

Experiment 4

Magnesium + Hydrochloric Acid


http://image04.webshots.com/4/3/41/49/54034149zWAEqk_ph.jpg

Experiment 5

Phenolphthalein + Sodium Hydroxide


Experiment 6

Calcium Chloride + Water

Experiment 7

Polysaccharide Carbohydrate Solution + Iodine

http://images.google.ca/imgres?imgurl=http://img.alibaba.com/photo/100581664/Potato_Starch.jpg&imgrefurl=http://www.alibaba.com/product/ramzik-100581664-0/Potato_Starch.html&usg=__LZ0g1AnecXSGhl0F8RP8q0SNLTY=&h=360&w=360&sz=24&hl=en&start=2&tbnid=l3GTzMUkLf3tZM:&tbnh=121&tbnw=121&prev=/images%3Fq%3Dstarch%26hl%3Den

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


Addition of Lead chloride to Potassium Iodide


Addition of zinc metal to sodium hydroxide

http://www.angelo.edu/faculty/kboudrea/molecule_gallery/element050_tin/tin_mossy_02.jpg


Addition of glucose solution + water


Addition of carbonyldiamine to water


Addition of acetic acid to bromothymol blue


Addition of cupric nitrate crystal to water


Addition of iodine solution to polysaccharide carbohydrate

http://images.google.ca/imgres?imgurl=http://img.alibaba.com/photo/100581664/Potato_Starch.jpg&imgrefurl=http://www.alibaba.com/product/ramzik-100581664-0/Potato_Starch.html&usg=__LZ0g1AnecXSGhl0F8RP8q0SNLTY=&h=360&w=360&sz=24&hl=en&start=2&tbnid=l3GTzMUkLf3tZM:&tbnh=121&tbnw=121&prev=/images%3Fq%3Dstarch%26gbv%3D2%26hl%3Den


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 1

Aluminium + Sodium Hydroxide


Experiment 2

Sodium Hydroxide + sugar + Potassium Permanganate


http://images.google.ca/imgres?imgurl=http://www.sia-hq.com/custom/articlepics/wellbeing/sugar%2520cubes.jpg&imgrefurl=http://www.sia-hq.com/&usg=__TsPphvtudFiiXexUTgKx6UzBhS8=&h=480&w=640&sz=22&hl=en&start=3&tbnid=l2TX66yI7OQB4M:&tbnh=103&tbnw=137&prev=/images%3Fq%3Dsugar%26hl%3Den


Experiment 3

Aluminium + Copper Chloride

Experiment 4

Magnesium + Hydrochloric Acid


http://image04.webshots.com/4/3/41/49/54034149zWAEqk_ph.jpg

Experiment 5

Phenolphthalein + Sodium Hydroxide


Experiment 6

Calcium Chloride + Water

Experiment 7

Polysaccharide Carbohydrate Solution + Iodine

http://images.google.ca/imgres?imgurl=http://img.alibaba.com/photo/100581664/Potato_Starch.jpg&imgrefurl=http://www.alibaba.com/product/ramzik-100581664-0/Potato_Starch.html&usg=__LZ0g1AnecXSGhl0F8RP8q0SNLTY=&h=360&w=360&sz=24&hl=en&start=2&tbnid=l3GTzMUkLf3tZM:&tbnh=121&tbnw=121&prev=/images%3Fq%3Dstarch%26hl%3Den

Experiment 8

Sodium Hydroxide + Cobalt Chloride


Experiment 9

Potassium Permanganate + Water


Chemical or Physical Change Laboratory #2 Formal Lab Write-up.

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