chemistry in the world

Part 1
Respond to the following in a minimum of 175 words:

As we prepare to learn about chemistry in the world around us, we must first gain an understanding of the foundations of scientific thought and the basic properties of matter.

How have you encountered water in its different stages of matter over the last week? How do molecules behave in ice versus tap water? How are these behaviors similar, and how are they different in the three different forms of water? Why do these behaviors occur?

What are some things you wonder about the different states of matter that were not addressed in the reading?

Part 2
Respond to the following in a minimum of 175 words:

This week we learn about energy and how it is transferred through the environment.

Describe a situation from your everyday experience where you have heard the word energy. What did the word mean in that context?

Now describe what energy means in a scientific context. Compare and contrast the use of the word energy from everyday conversation and chemistry terminology. How might thinking about the word in different ways change the intended meaning of a statement? Use your everyday example to help support your answer.

 

 

Part 3
Respond to the following in a minimum of 175 words:

As we enter Week 3, we will investigate solutions and their basic characteristics.

What are some examples of both acids and bases in your kitchen? At the molecular level, what causes something to be an acid as opposed to a base? There are currently many health food products that make claims based on acidity. Consider alkaline water, for example. What exactly does this mean? What might be different about this water than normal water? Use your understanding of acids and bases from this week to justify your answer.

Part 4
Respond to the following in a minimum of 175 words:
This week we learn about chemical reactions that occur within the body.

Think about your favorite food. What is it? What chemical reaction(s) might occur as your food is introduced to your stomach? Describe those reactions.

What reactants and products do you think might be produced when you consume this food? How might the products influence how you feel? Do you think adding reactants might change the products and how you feel? Why or why not?

Part 5
Respond to the following in a minimum of 175 words:

This week, we will take the various chemistry concepts we have been exploring and apply them to real-world situations.

Reflect on the concepts we have learned so far: states of matter, energy, acids and bases, and chemical reactions.

Pick a story from the news that has occurred sometime since this course started. Summarize the story, and discuss how at least one of the concepts from this course influenced the outcome of the news story. Explain the concept you choose and how it relates to the story.

Then, discuss how the outcome of the story may have been if matter had behaved differently. Be sure to use the vocabulary related to the concept you picked in your response.

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