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Demonstrating Chemistry - Spectacular Experiments: Sodium Ethanoate Stalagmite

Demonstrating Chemistry - Spectacular Experiments: Sodium Ethanoate Stalagmite

Assessment

Interactive Video

Social Studies, Chemistry, Science

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains the process of crystallization using sodium ethanoate. It begins with an introduction to sodium ethanoate and the concept of nucleation sites. The tutorial then demonstrates how to seed crystals to initiate crystallization, which is a self-perpetuating process that generates heat, similar to hand warmers. Finally, it covers the preparation of a supersaturated solution of sodium ethanoate, emphasizing the importance of avoiding dust to prevent premature crystallization.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the process of creating nucleation sites for sodium ethanoate?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the significance of hand warmers in relation to sodium ethanoate.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how to prepare a supersaturated solution of sodium ethanoate.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the role of the watch glass during the preparation of the supersaturated solution?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens when a speck of dust enters the solution during the cooling process?

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