💿 What is Dynamic Equilibrium?

note

This is an authentic video. Do not try to understand every word you hear.
Watch and listen for general and specific information by completing the following tasks.

Before you watch:

Exercise 1. Decide which words and phrases can be directly or indirectly related to “equilibrium”:

Video

While you watch:

Exercise 2. In the beginning of the video, two people are digging the hole. Watch it carefully (till 1:10) and explain what kind of reaction this concept can be applied to and why.

Exercise 3. Watch the next part of the video (1:11-1:35) and answer the following questions:

Exercise 4. Watch the next part of the video (1:36-2:50) about the example of a reaction at equilibrium and match the sentences. You can match the sentences first, then watch the video and check yourself.

Exercise 5. Watch the next part of the video (2:51-3:50). Please PAUSE the video to think about the following question below, and resume when you are done.

Exercise 6. Watch the next part of the video (3:51-till the end) and complete the summary of the whole video about reactions at equilibrium:

After you watch:

Exercise 7. Show reversible reactions:

• Sulfuric acid + Barium chloride
• Sulfur Dioxide + Oxygen
• Sodium Hydroxide + Hydrogen Chloride
• Nitrogen + Hydrogen