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Understanding Chemical Gases and Effervescence in Reactions

In this lecture, learners will explore various chemical gases and their properties, focusing on effervescence and the gases produced during chemical reactions. The lesson includes an examination of carbon dioxide (CO2), oxygen (O2), acetylene (C2H2), and hydrogen (H2). Students will conduct experiments to identify the gas produced when a flame is added to certain reactions. After completing the lab work, learners will have a comprehensive understanding of how different gases interact in combustion and effervescent reactions.

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Understanding Chemical Gases and Effervescence in Reactions

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Presentation Transcript

  1. Two Minute Drill Prepare for lecture notes. Homework Complete the lab Learner Objective Learner will be able to identify the effervescence gas produced in a chemical reaction when a flame is added.

  2. Lecture: Chemical GasesA Look into Effervesences

  3. Carbon Dioxide (CO2): A colorless odorless gas that does not aid in combustion. A burning flame will go out.

  4. Oxygengas (O2): A colorless, odorless gas that will make a flame burn brighter and faster. Has the capability of making a burning ember burst back into a flame. A gas which is required for combustion to occur.

  5. Acetylene (C2H2): A colorless gas that will burn when oxygen gas is present.

  6. Hydrogen (H2):A colorless gas that will explode in the presence of fire or a spark if oxygen gas is present too.

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