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Blast Off
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Rockets need a lot of thrust to get into space. In this ...

Rockets need a lot of thrust to get into space. In this lesson, students learn how rocket thrust is generated with propellant. The two types of propellants are discussed and relation to their use on rockets is investigated. Students learn why engineers need to know the different properties of propellants.

Subject:
Engineering
Physics
Material Type:
Activities and Labs
Instructional Material
Lesson Plans
Provider:
TeachEngineering
Provider Set:
TeachEngineering NGSS Aligned Resources
Author:
Brian Argrow
Integrated Teaching and Learning Program,
Janet Yowell
Jay Shah
Jeff White
Luke Simmons
Malinda Schaefer Zarske
Molecular Structure of Peroxide ion
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Dr. I. N. Love reported the first medical use of peroxide in ...

Dr. I. N. Love reported the first medical use of peroxide in 1888 in the Journal of the American Medical Association. In it he described the many successful treatments of diseases with peroxide. It would be used following World War I to treat pneumonia. Peroxide is very toxic and can cause severe skin irritations. Contact with many organic compounds can lead to immediate fires or violent explosions. Peroxide is most commonly used for bleaching, deodorizing, and antiseptic purposes. It is a common lab reagent and is used in epoxidation, hydroxylation, and oxidation-reduction reactions. The human body produces peroxide in the immune system to fight off invading microorganisms and aid in metabolizing fats, vitamins, proteins, and carbohydrates.

Subject:
Life Science
Ecology
Forestry and Agriculture
Chemistry
Material Type:
Data
Instructional Material
Interactive
Provider:
Indiana University Molecular Structure Center
Provider Set:
Reciprocal Net: A Distributed Crystallography Network for Researchers, Students, and the General Public
Author:
Common molecules
Contributed by Indiana University
Molecular Structure of Sodium persulfate
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Sodium persulfate is an etchant and oxidizer. Oxidizers are highly reactive chemicals ...

Sodium persulfate is an etchant and oxidizer. Oxidizers are highly reactive chemicals that can be used to clean or to render a metal surface free from corrosion. It is a crystalline or powdery solid at room temperature. Sodium persulfate is commonly used today as a replacement for ammonium persulfate in the etching of metal and semi-conductor surfaces.

Subject:
Chemistry
Material Type:
Data
Instructional Material
Interactive
Provider:
Indiana University Molecular Structure Center
Provider Set:
Reciprocal Net: A Distributed Crystallography Network for Researchers, Students, and the General Public
Author:
Common molecules
Contributed by Indiana University