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Title: Floating Pennies Demonstration
Url: http://matse1.matse.illinois.edu/metals/f.html
Publisher: University of Illinois at Urbana-Champaign. Dept. of Materials Science and Engineering
Description: The Materials Science and Technology Teacher's Workshop (MAST) provides this demonstration on the different reactivities of copper and zinc to hydrochloric acid. In this module, the reactivities of copper and zinc to hydrochloric acid will be used to separate the two metals in a post-1983 penny. The percent of zinc and of copper can be calculated as well as the economic value of each.

The lesson includes a step by step explanation of the laboratory procedure. Discussion questions and a video clip are also included.
LC Classification: Science -- Chemistry -- Physical and theoretical chemistry -- Conditions and laws of chemical reactions
Science -- Chemistry -- Study and teaching. Research -- Experiments
Technology -- Chemical technology -- Chemicals -- Special inorganic chemicals -- Acids -- Other acids, A-Z -- Hydrochloric
Technology -- Mining engineering. Metallurgy -- Mining engineering. Metallurgy -- Metallurgy -- Metallography. Physical metallurgy -- Special metals, A-Z -- Copper (Bronze)
GEM Subject: Science -- Chemistry
Science -- Instructional issues
Vocational Education -- Technical
Vocational Education -- Instructional issues
Vocational Education -- Tech prep
Key Concept: Chemistry -- Chemical reactions
Manufacturing -- Metals
Resource Type: Instructional Material
Instructional Material -- Demonstration
Instructional Material -- Lesson/Lesson Plan
Instructional Material -- Instructor Guide/Manual
Instructional Material -- Experiment/Lab Activity
Format: Document -- HTML
Audience: Educator
Education Level: High School
Higher Education
Higher Education -- Undergraduate (Lower Division)
Higher Education -- Technical Education (Upper Division)
Higher Education -- Technical Education (Lower Division)
Vocational/Professional Development Education
Language: English
Access Rights: Free access
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Source Type: ATE Center
Source: NetWorks
Full Record Views: 12
Resource URL Clicks: 10
Cumulative Rating: NOT YET RATED
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