All Questions
Tagged with intermolecular-forces everyday-chemistry
8 questions
6
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0
answers
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Are all humectants sticky?
While using a topical lotion based on ethanol, water and propylene glycol, I noticed that it becomes sticky while drying. Propylene glycol is a humectant and is used for this purpose in ...
- 519
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1
answer
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Why do bubbles form and stay when I shake a bottle of tea?
I have some bottled tea and I noticed that shaking it creates some foamy bubbles that stay for quite a while (at least half an hour if not more). I originally thought it has something to do with my ...
- 141
0
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1
answer
595
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Can we predict the IMF strength of Acetone vs Glycerol?
I was recently assigned a lab where I was to observe several properties of the chemicals Acetone and Glycerol then use my observations to predict their overall Intermolecular Force strength.
The ...
6
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1
answer
1k
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Interaction between a pencil and rubber (eraser)
Is there a interaction between a graphite pencil and and a eraser. For example, if I drew a line on a piece of paper and then erased that, what interaction is occurring?
Is it a Van der Waals ...
- 77
2
votes
1
answer
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London/dispersion forces
"London (dispersion) forces are responsible for the fact that non-polar substances can be condensed to form liquids and sometimes solids at low temperatures"._
I learned that what results in London ...
- 85
6
votes
1
answer
477
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What structural property creates stickiness?
Recently, me and my mom parked her car in a spot reserved for customers of a super expensive shoe store while going to get some also fairly expensive drinks at Starbucks. When we came back, an ...
- 13.2k
9
votes
1
answer
7k
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What forces hold ink on paper?
On regular paper, ink is absorbed, while on photopaper ink stays at the surface and dries for a longer time. What forces act in these two different cases?
(see also related questions about pencil ...
- 4,285
7
votes
1
answer
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How are pencil marks "adhered" to the paper?
Pencils create marks by physical abrasion, leaving behind a trail of solid core material that adheres to a sheet of paper or other surface. Wikipedia
Normal paper is mainly composed of cellulose ...
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