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This Chemistry Lesson: Gas Evolution Reactions instructional video also includes:
Ah, chemical reactions and gases ... there always seems to be more to learn. This short and detailed video segment describes double displacement reactions (gas evolution reactions) to create a gaseous byproduct. Four gases discussed in this segment are H2S, H2CO3, H2SO3, and NH4OH.
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NGSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Emerging chemists could collaborate in groups to gather a better understanding after viewing the segment
- Use balloons, gumdrops, or other tangible items to describe reactions to ensure understanding of the concepts
Classroom Considerations
- Previous knowledge of double displacement reactions is needed prior to viewing this video segment
- The final in a series of six related videos
- This video is hosted on YouTube
Pros
- The video is short enough to capture attention of all pupils in the classroom
- Descriptions of reactions are explained in such a way to appeal to learners of all abilities
Cons
- None