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LAR: Yes
Title: Covellite or Chalcocite?
Url: http://www.maine.gov/doc/nrimc/mgs/education/lessons/act22.htm
Publisher: Maine. Department of Conservation.
Description: 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.
LC Classification: Science -- Chemistry -- Study and teaching. Research -- Problems, exercises, examinations
Science -- Geology -- Mineralogy -- Study and teaching. Research
Science -- Geology -- Study and teaching. Research -- Problems, exercises, examinations
GEM Subject: Science -- Chemistry
Science -- Earth science
Science -- Instructional issues
Science -- Geology
Key Concept: Chemistry -- Chemical reactions
Geology -- Minerals
Key Concepts Complete: Yes
Date Issued: 2005-10-06
Resource Type: Instructional Materials
InteractiveResource (DCMI Type Vocabulary)
Laboratory Modules
Lesson Plans
Reading Materials
Science Materials
Worksheets
Format: html
Audience: College/University Instructors
Higher Education
Secondary Education
Students
Teachers
University First Cycle
Language: English
Rights: Maine Department of Conservation
Access Rights: Free access
Subject: Chemistry
earth science
Geology
Mineralogy or petrology
Physical sciences
science
Date Of Record Release: 2011-09-02 03:00:08 (W3C-DTF)
Date Last Modified: 2010-11-05 12:00:03 (W3C-DTF)
Source: DLESE  DLESE
Full Record Views: 111
Resource URL Clicks: 39
Cumulative Rating: NOT YET RATED
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