
terminology - What is considered room temperature in Celsius ...
Dec 12, 2019 · Recently, I have seen room temperature listed at 20 °C and 25 °C. Which one is more accurate for use in chemistry problems?
Saturated vs unsaturated fats - Structure in relation to room ...
18 I'm sure most of us have heard that saturated fats are solid at room temperature, and unsaturated fats are liquid at room temperature. I'm wondering how this relates to their …
Why does water evaporate at room temperature? - Chemistry …
Dec 20, 2013 · At room temperature, there is evaporation (I wouldn't call it excitation). This is because there are a few molecules of water which can manage to muster enough energy to …
Why is mercury liquid? - Chemistry Stack Exchange
May 25, 2015 · Why is mercury the only metal that is liquid at room temperature? Note: I am a high school student and would appreciate an answer, if possible, suited for my level of …
phase - At what pressure will hydrogen start to liquefy at room ...
Sep 21, 2020 · In my undestanding, speaking about HCF has IMHO sence for temperatures not too far from the critical one. Hydrogen at such a pressure and room temperature is much …
physical chemistry - Why does water evaporate spontaneously at …
Apr 8, 2015 · Why does water evaporate spontaneously at room temperature despite ΔG > 0? Ask Question Asked 10 years, 9 months ago Modified 10 months ago
Any examples of liquids volatile at room temp but non-flammable?
May 3, 2019 · Trichlorofluoromethane has a standard boiling point just above standard room temperature. You didn't say anything about pressure in your question. If you don't mind …
How does water evaporate completely when at room temperature?
Oct 15, 2017 · 22 If water evaporates at room temperature because a small percentage of the molecules have enough energy to escape into the air, then why does a kitchen counter with a …
How to determine if a compound is likely to become a solid at …
May 22, 2015 · A more mathematical way to look at this if you have empirical values for a compound is to look at the $\Delta G_\text {fusion}$ at room temperature. $\Delta G_\text …
Why are silicates solid while carbon dioxide is a gas?
Aug 1, 2015 · The reason why carbon dioxide is a gas and silicon dioxide is a solid is because their chemical structures are different. Carbon dioxide is a linear structure with two double …