Discussion 1:
What happens to the properties of water, in particular, density, at sea level when ice melts and the temperature increases to 40C? Give an example of this in practical terms.
Note: No practical answer can be repeated, you must use an original example.
Discussion 4:
Explain, using thermodynamic terms and theory, why coffee cups used for takeaway have a cardboard outer sleeve that can be added. What does having a small drink opening in the lid offer?
You must provide examples for your explanation.
Note: Do not wait until the end of the week to contribute to each module’s discussions. Respond to the questions as early in the week as possible and then use the remainder of the week to read and reply to the posts of your classmates and instructor.