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Material Detail

Covellite or Chalcocite?

Covellite or Chalcocite?

In this activity, students will be introduced to the concept of mineral stoichiometrics (ratios of atoms in a compound) by performing a chemical reaction between copper and sulfur, which can result in either covellite (CuS) or chalcocite (Cu2S). Working in small groups, they will heat measured amounts of copper and sulfur in a crucible until constant weight is achieved, then calculate the theoretical weight of both CuS and Cu2S that they could have produced. Sample calculations, a student worksheet, and discussion questions are provided.
Keywords:
stem education, workforce development, technician training, advanced technological education
Disciplines:
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More about this material

Material Type:
Reference Material
Date Added to MERLOT:
August 3, 2016
Date Modified in MERLOT:
August 3, 2016
Author:
Submitter:
Barbra Bied Sperling
Hispanic Serving Institution
Primary Audience:
College General Ed, College Lower Division, College Upper Division, Graduate School, Professional
Technical Format:
PDF
Mobile Compatibility:
Not specified at this time
Language:
English
Cost Involved:
No
Source Code Available:
No
Creative Commons:
No

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