All Questions
4
questions
8
votes
3
answers
2k
views
How much salt (or any other substance one can find in a kitchen) do I need to add to make water boil at 104 °C?
I've seen some formulas around in other questions and Google searches, but my chemistry is pretty much dead so I have no clue where to find the relevant values to calculate it myself. I just need to ...
- 97
2
votes
0
answers
207
views
Vacuum filtration: will Polymer elements interfere with the vacuum?
I am doing an experiment with vacuum filtration, where a Nylon filter is used to create a membrane (marked in pink in the picture attached). When I use the membrane, it frequently breaks in the ...
- 121
4
votes
1
answer
4k
views
Temperature change and gas evolution for vinegar and baking soda experiment
This is sort of 2 questions in 1, but I think they are related.
Could someone please explain why this endothermic reaction doesn't further decrease the temperature when the amount of baking soda is ...
- 43
0
votes
1
answer
3k
views
Making artificial sweat
I'm currently working on a chemistry investigation wherein I need to dilute a compound with artificial sweat. I have looked at various forums, including this, which gave answers, but is very outdated.
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- 31