CHM 151 All Discussions

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CHM 151 All Discussions Link

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CHM 151 Wk 1 Discussion- Mixtures & Solutions

Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to other students.

Due Thursday

Respond to the following in a minimum of 175 words:

This week, we learn about mixtures and solutions. How many times have you put (or seen someone else put) sugar into iced tea and seen the sugar sink to the bottom? Contrast this approach to making Sweet Tea – where tea is heated up, sugar is dissolved while hot, and then allowed to cool. In Sweet Tea, the sugar stays in solution instead of falling to the bottom. Using your understanding of temperature, mixtures, and solutions, describe why one method results in dissolved sugar while the other does not.

Due Monday

Reply to at least 2 of your classmates. Be constructive and professional in your responses.

CHM 151 Wk 2 Discussion – Equilibrium

Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to other students.

Due Thursday

Respond to the following in a minimum of 175 words:

This week we learn about reactions and equilibrium. One of the largest bodies of liquid we have is the ocean. Discuss the ocean with respect to the content from this week. Why might the concepts of equilibrium and reactions be important when understanding salinity? How might temperature impact these ideas?

Due Monday

Reply to at least 2 of your classmates. Be constructive and professional in your responses.

CHM 151 Wk 3 Discussion – pH

Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to other students.

Due Thursday

Respond to the following in a minimum of 175 words:

This week we learn about pH. A current trend in nutrition is pH, alkaline, and ionized water. Use the concepts from this week to describe what these substances are. How is this information different from what you knew previously? What additional questions does it make you wonder about?

Due Monday

Reply to at least 2 of your classmates. Be constructive and professional in your responses.

CHM 151 Wk 4 Discussion – Thermodynamics

Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to other students.

Due Thursday

Respond to the following in a minimum of 175 words:

This week we continue to learn about thermodynamics. Describe the second and third laws of thermodynamics. What examples of everyday life might you have observed that provide evidence for the second or third law of thermodynamics?

Due Monday

Reply to at least 2 of your classmates. Be constructive and professional in your responses.

CHM 151 Wk 5 Discussion – Batteries

Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to other students.

Due Thursday

Respond to the following in a minimum of 175 words:

This week we learn about electrochemistry. Describe how a battery works. Have you ever heard of people using lemons or potatoes in place of batteries to help complete a circuit and turn on a light bulb? (If not, you can do a quick internet search to see this.) Why does using one of these pieces of food work? How is it similar to using a battery? Different?

Due Monday

Reply to at least 2 of your classmates. Be constructive and professional in your responses.

CHM 151 Wk 6 Discussion – Carbon

Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to other students.

Due Thursday

Respond to the following in a minimum of 175 words:

This week we learn about organic chemistry. Carbon is considered the element of life. Why might this be? What makes carbon so unique? Can you think of something that is made of carbon?

Due Monday

Reply to at least 2 of your classmates. Be constructive and professional in your responses.

CHM 151 Wk 7 Discussion – Nucleus

Post a total of 3 substantive responses over 2 separate days for full participation. This includes your initial post and 2 replies to other students.

Due Thursday

Respond to the following in a minimum of 175 words:

This week we learn about chemistry inside the nucleus. Consider the everyday use of the word “nuclear”. What contexts have you heard this word? Now consider the technical term “nuclear” meaning “related to the nucleus of the atom”. How does this enhance your understanding of the word you selected above?

Due Monday

Reply to at least 2 of your classmates. Be constructive and professional in your responses.