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Sample Matter PBL Slide

Sample Matter PBL Slide. While you may be using another format other than PowerPoint, here is an example of the CONTENT that should be covered for each unknown. Unknown #21: Corn Syrup. Physical Property Experiment: We believe our unknown is Corn Syrup

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Sample Matter PBL Slide

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  1. Sample Matter PBL Slide While you may be using another format other than PowerPoint, here is an example of the CONTENT that should be covered for each unknown.

  2. Unknown #21: Corn Syrup • Physical Property Experiment: We believe our unknown is Corn Syrup • We will use density to test if we are correct. • The known density of corn syrup is 1.38 g/mL • We measured 9.5 mL of our unknown and found that it had a mass of 13.55g. • Using the formula D = M/V, we calculated our experimental value to be 1.4 g/mL which is very close to the known value. • Density is an intensive property

  3. Unknown #21: Corn Syrup • 3 Additional Physical Properties: • High viscosity (intensive) • Has a yellowish color (intensive) • It’s sticky (intensive) Corn Syrup is a mixture.

  4. Unknown #21: Corn Syrup • Chemical Property • Corn syrup can be converted to ethanol via chemical processes to be used as a fuel source. • Below is a link to a video about this chemical process: • http://videos.howstuffworks.com/discovery/31270-corn-ethanol-video.htm

  5. ***NOTES FROM ME TO YOU*** Be mindful of your sig figs if you are showing calculations. If you found out your guess was wrong when you tested your physical property, that’s OK. Go ahead and use the chemical property experiment you initially found. Make sure to save your work so you can finish on Friday/Monday.

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